Please look at the attached word document.
POTENTIALLY THREATENED MARINE SPECIES: STATUS REPORTS
A large number of marine mammals and birds have gone extinct in the last 200 years. It is also evident that other strictly marine species such as fishes and invertebrates are not as immune to extinction as previously thought (Carlton et al. 1999, Roberts & Hawkins 1999). The development of species-specific management plans that target potentially threatened marine species have lagged behind other management options, such as all-purpose marine reserves. Criteria for classifying marine species as “threatened” or “endangered” are particularly vague and there are no co-ordinated management strategies that are enacted once species are classified.
Marine species are considered potentially threatened, due to some combination of biological characteristics that make them naturally rare and human impacts that are likely to reduce their numbers even further. Species may be restricted to very small geographic areas that are highly disturbed. They may be over-exploited with no natural refuges from human exploitation. They may be restricted to shallow coastal areas and sensitive to coastal enrichment or pollution. They may be large, long-lived and susceptible to any level of exploitation or disease. They may be naturally weak competitors in the process of being replaced by exotic species. They may be specialised species that are sensitive to a widespread decline in the quality of their habitat. However, the particular problems faced by particular species are not always clear.
The main impediment to developing species-specific management strategies is that lack of information on the status of potentially threatened species or the ecosystems they rely on. That is, what is the geographic range of the species and what are the current population numbers and trends? What are the biological characteristics of species that should be considered potentially threatened? How are these species and their demographic parameters responding to exploitation, pollution, habitat loss and other disturbances? At what point should they be considered endangered? What management actions are possible and what are appropriate to species of different kinds?
The aim of this exercise is to assemble up-to-date information on the status of marine species that either have or should be considered potentially threatened. The species selected is the
Patagonian Toothfish.
REPORT
This is a written evaluation of the species. Your report should assess the current and projected status of this species and viable management options. You should:
• Review historic and current trends in the geographic range and abundance of the species (if available) and discuss whether these figures suggest that the species should be considered potentially threatened.
• Review the biological characteristics of the species and processes that have lead to the current status.
• Consider the current status of our scientific knowledge of this species and what are the research priorities?
• Outline the current status of the species, in terms of international and domestic legislation and conservation action.
• Outline species-specific management strategies that are appropriate for the conservation of this species.
• Discuss options for the active restoration of this species by captive breeding or enhancement.
• Give your prognosis for the future of this species.
Your report should be a maximum of
2500 words. It should begin with a title and should subsequently be divided into two sections: (1)
Executive Summary (maximum of
500 word summary of your main conclusions and a list of recommendations (suitable for forwarding to a newspaper); (2)
Technical Report (maximum of
2000 words, which is the main body of assignment, excluding figures and tables). To provide structure and clarity, the use of subheadings within the technical report is highly recommended, including an
introduction at the beginning (general concepts, background and a statement of the aims of the report) and a
conclusions and recommendations section at the end. All text should be written in your own words, giving the citations to articles or web sites from which the information was sourced. Do not copy from other assignments, past or present. Figures and tables can be either original or copied from published works or websites. Make sure copied figures are clear, provide an original caption and indicate the source. Reproduce photographs only where essential to illustrate a point.
_NOTE_
I would be extremely grateful if you could follow the following ‘skeleton’:
Table of Contents
Introduction 3
General Information 3
Biological Characteristics 3
Ecological importance 3
Distribution 3
Current Status of Patagonian Toothfish 3
Management 3
Recommended Management 4
Prognosis and Conclusion 4
The marking rubric is as follows:
image1
MB 3200
201 9
Marine
Conservation
Biology
1
MB3200
Marine Conservation Biology
Marine Biology and Aquaculture,
Australia’s endangered handfish
College of Science and Engineering,
James Cook University
2019 Subject Manual
2
SUBJECT CO-ORDINATOR
Geoff Jones (142-225)
Consulting hours: Thursday 9:30am – 2:00pm
Email: geoffrey.jones@jcu.edu.au
LECTURER, ENQUIRIES & WEB MANAGER
Prof. Jeff OBBARD
Email: jeffrey.obbard@jcu.edu.au
CONTRIBUTING LECTURERS
Dr Lisa Bostrom-Einarsson (JCU)
Dr Andrew Chin (JCU)
Dr Philip Munday (JCU)
Professor Garry Russ (JCU)
Dr Hugh Sweatman (AIMS)
Dr Lynne van Herwerden (JCU)
Dr David Williamson (JCU)
3
CONTENTS
1. ABOUT THIS SUBJECT ……………………………………………………………………………………………… 4
2. CLASS ORGANIZATION AND TIMETABLE ………………………………………………………………… 1
0
3. LECTURE TOPICS AND RECOMMENDED READING …………….. ………………………………… 0
4. THREATENED MARINE SPECIES: STATUS REPORTS ………….… ………………………………. 9
5. TUTORIALS ……………..….………………………………………..……… 28
6. EXAMINATION INFORMATION AND STUDY QUESTIONS ………….. 63
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1. ABOUT THIS SUBJECT
Marine Conservation Biology is a 3rd year BSc subject intended for students majoring in the fields
of marine biology, ecology, conservation biology or environmental impact assessment. It runs in
the second semester (July-November) and consists of 25 lectures and 12 tutorials that are a mix of
practical exercises, debates, discussions and presentations. Attendance at all tutorials is
compulsory and attendance at all lectures is highly recommended. To enter this subject you
should have completed Marine Biology to second year level. There are no inadmissible subject
combinations.
1.1 WHY MARINE CONSERVATION BIOLOGY?
So you have chosen to do Marine Conservation Biology! Congratulations on your wise choice.
There is an urgent need to focus science and research on conservation issues in the marine
environment. Many marine ecosystems are on the verge of collapse, many habitats have been
decimated and many believe we are on the threshold of a human-induced mass extinction event.
The mission of this subject is to develop scientific skills and enhance employment prospects to
confront the biodiversity crisis in the marine environment.
Conservation biology is the application of scientific methodology to the conservation of biological
diversity. It is an ecological science that targets the causes and seeks remedies to the disastrous
global decline in biodiversity that we have already seen on land and are beginning to see in our
harbours and oceans. Marine conservation biology is a relatively new and rapidly changing
discipline in marine biology. New concepts are developing, new hypotheses are being tested and
alternative views debated – all fuelled with a sense of urgency as evidence of the widespread
decimation of marine habitats and decline of marine species accumulates at an alarming rate.
We will start this subject with some of the general ideas on conservation and biodiversity that were
largely developed for terrestrial species and see which of these principles can be applied to marine
organisms. We will then examine new approaches that target threats to marine habitats and
species, with an emphasis on novel alternatives to terrestrial conservation practices. Both single
species and whole ecosystem approaches to marine conservation will be addressed. Particular
attention will be devoted to the effectiveness of marine reserves for biodiversity conservation and
the design of reserve networks. In addition, we will take a close look at the endangered species
concept and how it can be effectively applied to threatened marine
species.
For some species and habitats conservation may be too late. If the dire predictions concerning the
demise of seagrass beds, mangroves and coral reefs turn out to be correct, and if all the major
fisheries of the world continue to collapse at the same alarming rate, we will see the discipline
metamorphose from the principles of conservation (of what we have) to the restoration (of what we
had). To this end, this subject will culminate with a look at the emerging principles and practices of
rehabilitating severely impacted populations and habitats.
1.2 SUBJECT CONTENT:
This subject will take an ecological approach to human impacts on and conservation of marine
habitats and species, from a local (Australia), regional (South East Asia) and global (Planet Earth)
perspective.
• It will describe the ecological effects of overfishing, sedimentation and nutrient enrichment,
habitat loss, pollution, marine introductions and climate change.
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• Case studies on the types and scales of human impacts on coral reefs, seagrass beds, kelp
forest and pelagic ecosystems will be examined.
• Sampling designs and ecological indicators will be developed for assessing the magnitude
and scale of impacts on marine habitats.
• Current practices employed in the conservation and management of marine habitats and
endangered marine species will be examined.
• A central focus will be on the ecological principles and practice of designing marine
reserves and determining how well they work.
• The subject will examine the meanings of the terms ‘rare’ and ‘endangered’ for marine
organisms, focussing on factors associated with the risk of extinction.
• Small population theory and conservation genetics will be discussed for large and/or highly
exploited marine organisms, including sharks, other large predatory fishes, reptiles, marine
birds and mammals.
• The final topic of interest will be restoration ecology – the principles and practice of
enhancing populations of rare species and restoring damaged biological communities.
• Tutorials will facilitate the debate of all current issues in marine
conservation.
1.3 LEARNING OBJECTIVES:
At the end of this subject, a student should have the ability to:
• Appraise the status of marine conservation biology and emerging theory.
• Assess the key threats to marine species and ecosystems, including overfishing, habitat
loss and fragmentation, pollution and climate change.
• Compare the effectiveness of different approaches for protecting marine biodiversity,
including the endangered species concept, marine reserves and integrated coastal zone
management.
• Examine the roles of population enhancement and habitat restoration in circumstances
where conservation efforts have failed.
• Practice methods to undertake literature searches and synthesize information on critical
issues in marine conservation and criticize published materials.
• Apply skills in environmental impact assessment and ecological surveys of tropical
organisms.
• Evaluate the status of potentially endangered marine species and formulate
management
plans.
• Demonstrate debating and presentation skills in evaluating controversies and knowledge in
marine conservation biology.
1.5 STRUCTURE OF THE SUBJECT
The basic structure of this subject is outlined below. While we will try to keep to this logical order in
the weekly schedule (section 2.2), occasionally lectures have to be swapped around to fit in guest
lecturers. Full lecture notes, copies of slides and screencasts can be accessed through LearnJCU.
Attendance of lectures is highly recommended as updated information is provided, breaking news
is presented and assistance with assignments is given. Attendance at tutorials is compulsory and
you receive credit for attending, participating and handing in the tutorial worksheet. To participate it
is important that you read over relevant material prior to your tutorial. Refer to appropriate sections
of the manual or log onto the LearnJCU website a few days before each tutorial.
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1.5.1 Lecture Topics
Section A: General introduction to marine conservation biology and biodiversity
“Scope of marine conservation biology” (Lecture 1)
“History of conservation biology and relevance to the marine environment” (Lecture 2)
“What is biodiversity and how is marine biodiversity threatened?” (Lecture 3)
Section B: Threats to marine biodiversity
“Overfishing – top down destruction of marine ecosystems” (Lecture 4)
“Nutrient enrichment – bottom up destruction of marine ecosystems” (Lecture 5)
“Marine introductions – diversity of effects on marine ecosystems” (Lecture 6)
“Ocean warming – global impacts on marine habitats and species” (Lecture 7)
“Ocean acidification – the next big problem for coral reefs” (Lecture 8)
Section C: Marine environmental impact assessment
“Marine environmental impact assessment” (Lecture 9)
“Marine organisms as environmental indicators” (Lecture 10)
“Monitoring the Great Barrier Reef” (Lecture 11)
Section D: Marine reserves: conserving marine biodiversity
“Marine reserves: do they work?” (Lecture 12)
“Marine reserve design: choosing sites, sizes and spacing” (Lecture 13)
“Do green zones work? Assessing the ecological effects of management zoning in the Great
Barrier Reef Marine Park” (Lecture 14)
“Marine reserves and conservation in the Philippines” (Lecture 15)
“Larval connectivity and the design of marine protected area networks” (Lecture 16)
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Section E: Rarity, small populations and conservation genetics
“Endangered species concept for threatened marine organisms” (Lecture 17)
“Extinction, resilience and the characteristics of marine populations” (Lecture 18)
“Rarity and extinction risk in coral reef fish communities” (Lecture 19)
“Small population theory and metapopulation dynamics” (Lecture 20)
“Conservation of genetic diversity in the marine environment” (Lecture 21)
“Shark conservation in tropical marine waters” (Lecture 22)
Section F: Restoration of marine populations and communities
“Enhancement of marine populations as a conservation tool” (Lecture 23)
“Reversing human impact: restoration of marine communities” (Lecture 24)
“Habitat restoration on coral reefs” (Lecture 25)
The end…
“Questions, answers, (Lecture 26)
1.5.2 Tutorial topics (see Section 5 for details)
1. Verbal Debate: “The biodiversity dilemma: species versus ecosystems!”
Section 5.1 and Learn JCU
2. Computer-based tutorial: “Coral reefs in crisis: over 50 years of escalating threats”
Section 5.2 and LearnJCU.
3. Debate: “Climate change: advocate or skeptic?”
Section 5.3 and LearnJCU
4. Computer-based tutorial: “Marine reserves: do they work?”
Section 5.4 and LearnJCU.
5. Information session: How to write-up the Marine Reserves Report”
Section 5.5 and LearnJCU
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6. Do in your own time, post your video to the MB3200 Facebook page Stories from home: Post
a video of yourself giving a 5min talk on a recent paper from your home country or state.
Section 5.6 and LearnJCU
7. Computer-based tutorial: “World Map: approaches to selecting sites for marine reserves”
Section 5.6 and LearnJCU.
8. Paper critique: “Marine reserves have rapid and long-lasting effects”
Section 5.7 and LearnJCU
9. Computer workshop: “Classifying threatened marine species using RAMAS Red List”
10-11. Student poster presentations: “Threatened marine species”
Section 4.2 and LearnJCU
1.6 ASSESSMENT
Final examination 40%
In subject assessment (total) 60%
In subject assessment:
(1) Marine reserves report (20%)
Section 5.4 [Due Thursday 02 January]
(2) Threatened species status report and poster presentation (25%) Section 4.1
There are two parts to this assignment:
Status report (20%) [Due Thursday, 16 January]
Poster presentation (5%) [Tutorials 10]
(3) Tutorial Attendance/Participation (10%)
Submitting assignments
You are required to submit all assignments online in LearnJCU by the due date (see LearnJCU
guide for instructions). There is no need to submit hard copies. You may submit draft versions of
your assignments to check for levels of close matching with other documents that may indicate
plagiarism (see section below on plagiarism). Don’t worry about a close match when it only
involves reference lists!
Please do not email assignments to the subject coordinator.
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Endangered leafy sea dragon
It is recommended that you keep both hard copies and electronic copies of all your
assignments in case you have computer issues or lose your memory stick. When working
on assignments, make sure you save regularly, keep backups and print out draft copies.
Try to begin assignments as soon as you have the material required. Requests for extensions
should not be made more than one week before an assignment due date. Also, these requests
should not be made to the class co-ordinator. Fill out an extension request form at Academic
Services (Building 34, Room 212) and, if for medical reasons, attach a copy of a medical
certificate.
Late assignments: For every day an assignment is late, it will be marked out of 1 percentage point
less. That is, an assignment worth 15% will be marked out of 14% if it is one day late, and 13% if it
is 2 days late etc. After one-week, late assignments will not be accepted.
Assignment marking and feedback
We will endeavour to have assignments marked and provide feedback approximately 2 weeks
after the due date (as long as you submit assignments on time!). Assignments will be marked
according to the marking scheme provided (in the folder for each assessment) so please refer to
the marking scheme as you work on each assignment. Both generic and specific comments on
your assignments will be provided in LearnJCU to assist you in the future.
We are happy to discuss requirements and marking criteria before you hand in assignments. For a
quick response, email jeffrey.obbard@jcu.edu.au
Plagiarism
Plagiarism is the act of taking and using another’s work as one’s own (including published works,
information from web sites and assignments by other students). It includes doing the following
without the due acknowledgment or clear indication of origin: directly copying any part of anyone
else’s work; using very close paraphrasing or summarising of another’s work; using or developing
an idea or thesis derived from another’s work; using the experimental results that have been
obtained by someone else.
Plagiarism is serious! Take special care not to copy from each other, from assignments submitted
in previous years or for other subjects, or from published works or websites. It is not allowable to
copy text, even if you cite the original document. Plagiarism may result in the offending piece of
assessment being rejected by markers and may lead to disciplinary action. To detect plagiarism,
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electronic versions of your assignments will be scanned using software designed to detect
repeated tracts of text.
2. CLASS ORGANIZATION AND TIMETABLE
2.1 LECTURE TIMES AND TUTORIAL GROUPS
Lecture: Thursday 9:00 – 11:50 am
Tutorial Thursday 1:00 – 2:50 pm
NB. You will be scheduled into 1 of 3 compulsory tutorial groups, which are an integral part of this
subject. Choose one that suits your timetable and sign up to the group on LearnJCU. There will be
a 1-2hr tutorial each week, either a discussion tutorial or a computer workshop (alternating through
the semester). Check the weekly schedule (section 2.2) to confirm where your tutorial is each
week.
2.2 WEEKLY SCHEDULE
LECTURES TUTORIALS
Week/
Date
TUESDAY 09:00 – 11:50 TUESDAY 13:00 – 14:
50
Week 1
14
November
Lecture 1.
“Scope of marine conservation
biology”
Lecture 2.
“History of conservation biology and
relevance to the marine
environment”
Lecture 3.
“What is biodiversity and how is
marine biodiversity threatened”
No tutorial this week.
Log on to LearnJCU and explore subject materials in your
own time. Familiarise yourself with subject structure
and deadlines!
Week 2
28
November
Lecture 4.
“Overfishing – top down
destruction of marine
ecosystems”
Lecture 5.
“Nutrient enrichment – bottom up
destruction of marine ecosystems”
Lecture 6.
“Marine introductions – diversity of
effects on marine ecosystems”
Tutorial 1
Verbal Debate: “The biodiversity dilemma: species versus
ecosystems!” Section 5.1 and LearnJCU
Week 3
05
December
Lecture 7.
“Ocean warming – global
impacts on marine habitats
and species”
Lecture 8.
“Ocean acidification – the next big
problem for coral reefs”
Lecture 9.
“Marine environmental impact
assessment”
Tutorial 2
Literature search: “Coral reefs in Crisis: Over50 years of
escalating threats” Section 5.2 and Learn JCU
Week 4
05
December
Lecture 10.
“Marine organisms as
environmental indicators”
Lecture 11.
“Monitoring the Great Barrier Reef”
Lecture 12.
“Marine reserves: do they work?”
Tutorial 3
Verbal debate: “The global warming controversy:
advocate or skeptic?” Section 5.3 and LearnJCU
Week 5
12
December
Lecture 13.
“Marine reserve design:
choosing sites, sizes and
spacing”
Lecture 14.
Do green zones work? Assessing the
ecological effects of management
zoning in the Great Barrier Reef
Marine Park
Lecture 15.
Marine reserves and conservation in
the Philippines
Tutorial 4
Computer-based tutorial : Marine reserves: do they
work”? Section 5.4 and LearnJCU
1
Week/
Date
LECTURES
Thursday 09:00 – 11:50
TUTORIALS
Thursday 13:00 – 14:50
Week 6
19
December
Lecture 16:
Larval connectivity and the
design of marine protected
area networks
Lecture 17:
Endangered species concept
for threatened marine
organisms
Lecture 18:
Extinction, resilience and the
characteristics of marine
populations
Tutorial 5
Information session: How to write-up the
Marine Reserves Report
Section 5.5 and LearnJCU
26
December
PUBLIC HOLIDAY
Tutorial 6
Do in your own time, post your video to the MB3200
Facebook page Stories from home: Post a video of
yourself giving a 5min talk on a recent paper from your
home country or state.
Section 5.9 and LearnJCU
Week 7
02 January
Lecture 19:
Rarity and extinction risk
in coral reef fishes
Lecture 20:
Small population theory and
metapopulation dynamics
Lecture 21:
Conservation of genetic diversity
in the marine environment
Tutorial 7
Computer-based tutorial: “World Map: approaches to
selecting sites for marine reserves”
Section 5.6 and LearnJCU
Week 8
07 January
Lecture 22:
Shark conservation and
management
Lecture 23:
Enhancement of marine
populations as a conservation
tool
Lecture 24:
Reversing human impact:
restoration of
marine communities
Tutorial 8
Paper critique: Marine reserves have rapid and long-
lasting effects Section 5.7 and LearnJCU
Week 9
14 January
Lecture 25:
Habitat restoration on coral
reefs
Lecture 26:
Questions & answers
Tutorial 9
Computer workshop: Classifying threatened marine
species using RAMAS Red List
Week 10
21 January
Tutorial 10
Poster presentations: Threatened marine species
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3. LECTURE TOPICS AND RECOMMENDED READING
There are links to recommended readings on LearnJCU, in the folder for each lecture under
‘Subject Materials’, and also under ‘Readings’. For most of the lectures, we provide a complete
written summary of the lecture and the lecture slides as pdfs. All lectures are recorded and
screencasts will be provided on LearnJCU.
LECTURE 1: SCOPE OF MARINE CONSERVATION BIOLOGY
This lecture defines the subject matter for conservation biology as a discipline and outlines the
structure and scope of the subject.
New TR (2000) Conservation biology: an introduction for Southern Australia. Chapter 1, pp 1-21.
Oxford University Press
Soule MF (1991) Conservation: tactics for a constant crisis. Science 253:744-749
Vitousek PM, Mooney HA, Lubchenco J, Melillo JM (1997) Human domination of earth’s
ecosystems. Science 277:494-499
Halpern BS et al. (2008) A global map of human impact on marine ecosystems. Science
319:948952
LECTURE 2: HISTORY OF CONSERVATION BIOLOGY AND ITS RELEVANCE TO THE
MARINE ENVIRONMENT
The purpose of this lecture will be to briefly review the history of terrestrial conservation biology
and evaluate whether or not terrestrial theory has any applicability to marine organisms. It
discusses why terrestrial models relating to reserve design and small population theory have
limited applicability to marine organisms. It suggests that marine conservation biology requires a
substantially different emphasis.
Simberloff D (1988) The contribution of population and community biology to conservation science.
Annual Review of Ecology and Systematics 19:473-511
Diamond JM (1975) The island dilemma: lessons of modern biogeographic studies for the design
of nature reserves. Biological Conservation 7:129-146
LECTURE 3: WHAT IS BIODIVERSITY AND HOW IS MARINE BIODIVERSITY THREATENED?
This lecture discusses the various meanings of the term biodiversity in an attempt to come to grips
with the fundamental goal of conservation biology. It discusses how we measure biodiversity, from
genes to ecosystems and evaluates current opinion as to the primary threats to biodiversity in
terrestrial environments. The threats to marine biodiversity are contrasted with terrestrial
environments. Key threats, including overfishing, nutrient enrichment, habitat destruction, marine
introductions and global warming are evaluated.
Mora C, Tittensor DP, Adl S, Simpson A, Worm B (2011) How many species are there on earth
and in the ocean? Public Library of Science, Biology 9:635-45
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Myers N, Mittermeier RA, Mittermeier CG, Da Fonseca GAB, Kent J (2000) Biodiversity hotspots
for conservation priorities. Nature 403: 853-858
Worm B et al. (2006) Impacts of biodiversity loss on ocean ecosystem services. Science
314:787790
LECTURE 4: OVERFISHING – TOP DOWN DESTRUCTION OF MARINE
ECOSYSTEMS
This lecture will describe the catastrophic state of marine fisheries, and highlight both the direct
and indirect effects of fishing on marine ecosystems.
Jackson JBC et al. (2001) Historical overfishing and the recent collapse of coastal ecosystems.
Science 293:629-638
Hilborn R et al. (2003) State of the world’s fisheries. Annual Review of Environment and
Resources 28:359-399
Pitcher TJ, Cheung WWL (2013) Fisheries: Hope or despair? Marine Pollution Bulletin 74:506516.
LECTURE 5: NUTRIENT ENRICHMENT – BOTTOM UP DESTRUCTION OF MARINE
ECOSYSTEMS
The seagrass decline represents the greatest loss of any single habitat in the sea. This lecture
documents the global decline in seagrass beds and the reasons for the decline, focussing on
nutrient enrichment and turbidity. The ecological consequences for other organisms dependent
upon seagrass are also discussed.
Orth RJ et al. (2006) A global crisis for seagrass ecosystems. Bioscience, 56: 987-996
Diaz RJ, Rosenberg R (2008) Spreading dead zones and consequences for marine ecosystems.
Science 321:926-929
LECTURE 6: MARINE INTRODUCTIONS – DIVERSITY OF EFFECTS ON MARINE
ECOSYSTEMS
The accidental transfer of marine organisms by ships has reached epidemic proportions. This
lecture describes the ecological consequences of marine introductions, documenting the total
change of habitats in some harbours and estuaries. Potential methods for eliminating accidental
transport are discussed.
Carlton JT (1996) Pattern, process, and prediction in marine invasion ecology. Biological
Conservation 78:97-106
Carlton JT and Geller JB (1993) Ecological roulette: the global transport of non-indigenous marine
organisms. Science 261:78-82
Grosholz E (2002) Ecological and evolutionary consequences of coastal invasions. Trends in
Ecology and Evolution 17:22-27
LECTURE 7: OCEAN WARMING – GLOBAL IMPACTS ON MARINE HABITATS AND
SPECIES
This lecture the latest information on ocean warming and the mechanisms by which this will impact
on coral reefs.
2
Walther GR et al. (2002) Ecological responses to recent climate change. Nature 416: 389-395
Pratchett MS et al. (2008) Effects of climate-induced coral bleaching on coral-reef fishes –
ecological and economic consequences. Oceanography and Marine Biology: An Annual
Review 46:251-296
LECTURE 8: OCEAN ACIDIFICATION – THE NEXT BIG PROBLEM FOR CORAL REEFS
This lecture will outline the predicted effects of increasing CO2 on the pH of the ocean and
emerging information to suggest it will have a catastrophic effect on organisms with calcium
carbonate skeletons. Increasing evidence suggests fish sensory systems will also be disrupted.
Munday PL, Jones GP, Pratchett MS, Williams AJ (2008) Climate change and the future for coral
reef fishes. Fish and Fisheries 9: 261-285
Doney SC et al. (2012) Climate change impacts on marine ecosystems. Annual Reviews in Marine
Science 4:11-37.
LECTURE 9: MARINE ENVIRONMENTAL IMPACT ASSESSMENT
Developing models that reliably predict the ecological cost of human activities requires that we
build up an understanding of how these activities affect natural populations and communities.
Reliable models will enable us to forecast detrimental human impacts before they occur, minimize
effects as they occur and/or enhance recovery after they have occurred. To do this we need to: (1)
Distinguish effects on populations and communities from normal background variability; (2)
Measure and assess the spatial and temporal scales over which impacts and recovery may occur;
(3) Develop an understanding of the mechanisms that cause the effects. This lecture discusses
these issues.
Kaly UL and Jones GP (1997) Minimum sampling design for detecting the magnitude and scale of
human impacts on coral reefs. Proceedings of the Eighth International Coral Reef
Symposium, Panama 2:1479-1483
Underwood AJ (1995) Detection and measurement of environmental impacts. In: Coastal marine
ecology of temperate Australia (Underwood, A.J. & Chapman, M.G., editors), University of
NSW Press
LECTURE 10: MARINE ORGANISMS AS ENVIRONMENTAL INDICATORS
“Indicator” species are “organisms which have certain characteristics making them suitable for
detecting and forecasting impacts at some level of biological organization, from biochemical to
ecosystem” (Soule & Kleppel 1988). A wide variety of criteria for the selection of ideal indicator
species have been advocated. The aims of this lecture are: (1) To critically examine the criteria for
the selection of indictor species; (2) Argue against the “shopping list” approach in favour of a
smaller number of criteria stemming from the practical limitations of sampling, and the ecological
and social importance of the species present in the community.
Jones GP and Kaly UL (1995) Criteria for selecting marine organisms in biomonitoring studies.
pp. 39-56, In: Detecting Ecological Impacts: Concepts and applications in coastal habitats
(Schmitt RJ, Osenberg CW eds), Academic Press, San Diego
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Noss RF (1990) Indicators for monitoring biodiversity: a hierarchical approach. Conservation
Biology 44:355-364
LECTURE 11: MONITORING THE GREAT BARRIER REEF
In this guest lecture, the leader of the AIMS long-term monitoring team will describe how one goes
about monitoring the health of the largest barrier coral reef system in the world.
De’ath G, Fabricius KE, Sweatman H, Puotinen M (2012) The 27-year decline of coral cover on the
Great Barrier Reef and its causes. Proceedings of the National Academy of Sciences
109:17995-17999.
Sweatman H, Delean S, Syms C (2011) Assessing loss of coral cover on Australia’s Great Barrier
Reef over two decades, with implications for longer term-trends. Coral Reefs 30:521–531.
LECTURE 12: MARINE RESERVES: DO THEY WORK?
Marine reserves or marine protected areas (MPA’s) have become one of the major tools for the
management of coastal marine habitats and exploited marine organisms. They continue to be
established in the belief that they can protect a “representative” range of species and habitats,
where single-species approaches to marine conservation are doomed to fail. The first aim of this
lecture is to describe the ecological effects of marine reserves: (a) How do they affect the
abundance and structure of exploited populations, both within and outside protected areas?; (b)
What are the community-wide effects of marine reserves? Generalisations will be illustrated using
case studies on marine reserves from three different habitats: (i) Coral reefs; (ii) Temperate rocky
shores; and (iii) Temperate sub-tidal rocky reefs. The second question to consider is whether or
not the database strong enough to support the claims made for marine reserves.
Gell FR and Roberts CM (2003) Benefits beyond boundaries: the fishery effects of marine
reserves. Trends in Ecology and Evolution. 18:448-455
Jones GP, Cole RC, Battershill CN (1993) Marine reserves: do they work? pp. 29-45. In: Battershill
CN (ed) Proceedings of the 2nd International Temperate Reef Symposium, Auckland, 1992
Lester SE et al. (2009) Biological effects within no-take marine reserves: a global synthesis.
Marine Ecology Progress Series 384:33-46.
LECTURE 13: MARINE RESERVE DESIGN: CHOOSING SITES, SIZES AND SPACING
Now that we know marine reserves work, the next obvious questions are: How big should they be?
What shape should they be? Where should they be? How many should there be? How should they
be arranged in space? Our goal in seeking answers to these questions is how to achieve
maximum protection for the greatest number of species. There has been considerable attention to
these questions in the design of nature reserves on land, although the theory has not often been
put into practice. We introduce WORLDMAP, a software package designed to trial different
selection strategies for maximizing biodiversity in reserves. The goal is to find a selection algorithm
that maximises the representation of species in marine reserves and provides the greatest
concordance among different taxa. We introduce a tutorial in which we compare
complementarity, diversity hot spot and endemicity hotspots for both fish and corals in Kimbe Bay,
Papua New Guinea. These approaches are contrasted with simple random selection of reserve
sites.
4
Beger M, Jones GP, Munday PL (2003) Conservation of coral reef biodiversity: a comparison of
reserve selection procedures for corals and fishes. Biological Conservation 111:53-62
McNeill SE (1994) The selection and design of marine protected areas: Australia as a case study.
Biodiversity and Conservation 3:586-605
McNeill SE and Fairweather PG (1993) Single large or several small marine reserves? An
experimental approach with seagrass fauna. Journal of Biogeography 20:429-440
Pressey RL, Humphries CJ, Margules CR, Vane-Wright RI, Williams PH (1993) Beyond
opportunism: key principles for systematic reserve selection. Trends in Ecology and Evolution
8:124-128
Reid WV (1998) Biodiversity hotspots. Trends in Ecology and Evolution 13:275-289
LECTURE 14: DO GREEN ZONES WORK? ASSESSING THE ECOLOGICAL EFFECTS OF
MANAGEMENT ZONING IN THE GREAT BARRIER REEF MARINE PARK
This lecture will examine the long-term effects of the rezoning of the Great Barrier Reef (GBR)
Marine Park in 2004, when 33% of the reef was protected in “no-take areas”. The effects of
reserve status on the abundance, biomass and reproductive potential of targeted marine fishes will
be addressed. It will examine the evidence for “fishery squeeze” (overfishing in response to
reducing the area for fishing) and the net effects of reserve status on fish abundance on the GBR.
The lecture will also examine effects of reserve status on the abundance of non-target species,
including overall fish community structure and coral cover. It will examine the evidence for
noncompliance or fishing in green zones by surveying lost or discarded fishing gear. Finally, it will
examine whether marine reserves can reduce the level of coral disease by minimizing mechanical
damage due to fishing.
Lamb JB, Wenger AS, Devlin MJ, Ceccarelli DM, Williamson DH, Willis BL. (2016) Reserves as
tools for alleviating impacts of marine disease. Philosophical Transactions of the Royal
Society B 371:20150210
McCook LJ, Ayling AM, Cappo M, Choat JH, Evans RD, DeFreitas DM, Heupel M, Hughes TP,
Jones GP, Mapstone B, Marsh H, Mills M, Molloy F, Pitcher CR, Pressey RL, Reichelt R,
Russ GR, Sutton S, Sweatman HPA, Tobin R, Wachenfeld DR, Williamson DH (2010)
Adaptive management of the Great Barrier Reef: A globally significant case study in marine
protected area networks. Proceedings of the National Academy of Science 43:18278-18285
Williamson DH, Ceccarelli DM, Evans DM, Jones GP, Russ GR (2014) Habitat dynamics, marine
reserve status and the decline and recovery of coral reef fish communities. Ecology and
Evolution 4:337-354
LECTURE 15: MARINE RESERVES AND CONSERVATION IN THE PHILIPPINES
Dr Russ summarizes 20 years of research on the effectiveness of marine reserves in protecting
fish stocks at two heavily fished sites in the Philippines. He has recorded a continual increase in
fish biomass since the reserves were established and predicts populations may need to be
protected for 30-40 years before full recovery will be observed. Evidence for spill-over effects that
may enhance adjacent fished areas is presented. The need for inter-generational management
strategies is stressed.
Russ GR and Alcala AC (1996) Do marine reserves export adult fish biomass? Evidence from Apo
Island, central Philippines. Marine Ecology Progress Series 132:1-9
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Russ GR and Alcala AC (1999) Management histories of Sumilon and Apo marine reserves,
Philippines, and their influence on national marine resource policy. Coral Reefs 18:307-319
Russ GR, Miller KI, Rizzari JR and Alcala AC (2015) Long-term no-take marine reserve and
benthic habitat effects on coral reef fishes. Marine Ecology Progress Series 529:233-248
LECTURE 16: LARVAL CONNECTIVITY AND THE DESIGN OF MARINE PROTECTED AREA
NETWORKS
An understanding of the degree of connectivity between marine populations is critical to
conservation, but remains unknown for the vast majority of marine organisms. The degree of larval
dispersal has implications for assessing the susceptibility of populations to overfishing, their ability
to recover, the spread of disease and so on. Critical design features for marine reserves, such as
reserve size and spacing, will ultimately be reliant on information on larval dispersal. This lecture
describes new approaches for assessing larval dispersal, including larval marking, otolith
microchemistry and new genetic techniques.
Almany GR et al. (2017) Larval fish dispersal in a coral reef seascape. Nature Ecology and
Evolution 1:1-7
Harrison HB, Williamson DH, Evans RD, Almany GR, Thorrold SR, Russ GR, Feldheim KA, van
Herwerden L, Planes S, Srinivasan M, Berumen ML, Jones GP (2012) Larval export from
marine reserves and the recruitment benefit for fish and fisheries. Current Biology 22:1023–
1028.
Jones GP, Srinivasan M, Almany GR (2007) Population connectivity and conservation of marine
biodiversity. Oceanography 20:100-111
Sale PF et al. (2005) Critical science gaps impede use of no-take fishery reserves. Trends in
Ecology and Evolution 20:74-80
LECTURE 17: ENDANGERED SPECIES CONCEPT FOR THREATENED MARINE
ORGANISMS
The goal of this lecture is to discuss endangered species concepts and whether or not they can be
applied to the large majority of marine populations. The IUCN red-list categories are defined and
the data requirements discussed. We give a demonstration of RAMAS, a software package for
determining the status of potentially threatened marine species. Other characteristics of potentially
threatened marine species are discussed.
Jones GP, Kaly UL (1995) Conservation of rare, threatened and endemic marine species in
Australia. Status of the marine environment report for Australia, Technical Annex 1: The
marine environment, pp. 183-191
Mace GM, Lande R (1990) Assessing extinction threats: towards a re-evaluation of IUCN
threatened species categories. Conservation Biology 5:148-157
LECTURE 18: EXTINCTION, RESILIENCE AND THE CHARACTERISTICS OF MARINE
POPULATIONS
This lecture discusses the concepts of rarity and extinction for marine organisms. The relative
threats of global, local and ecological extinction are discussed. Different kinds of rarity are
described, including low local abundance and small geographic range. The lecture discusses why
many organisms are naturally rare and whether or not such organisms are endangered. Other
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characteristics of marine populations that are relevant to their conservation organisms are
described.
Carlton JT, Geller JB, Reaka-Kudla ML, Norse EA (1999) Historical extinctions in the sea. Annual
Review of Ecology and Systematics 30:515-538
Dulvy NK, Sadovy Y, Reynolds JD (2003) Extinction vulnerability in marine populations. Fish and
Fisheries 4:25-64
McClenachan L, Cooper AB, Carpenter KE, Dulvy NK (2012) Extinction risk and bottlenecks in the
conservation of charismatic marine species. Conservation Letters 5:73-80
Roberts CM, Hawkins JP (1999) Extinction risk in the sea. Trends in Ecology and Evolution
14:241-246
LECTURE 19: RARITY AND EXTINCTION RISK IN CORAL REEF FISHES
In this lecture, we use published descriptions of species’ geographic ranges and abundances to
examine patterns of commonness and rarity among coral reef fish species. We then use these
patterns to test predictions generated by hypotheses of the causes of rarity. The specific questions
we have addressed are as follows: (1) What are the global patterns in the geographic ranges of
coral reef fishes?; (2) How do geographic ranges relate to location, latitude, body size, dispersal
ability and/or habitat specialization?; (3) Is there a positive relationship between geographic range
and abundance in coral reef fishes?; and (4) Does local abundance relate to body size or habitat
specialization?
Hawkins JP, Roberts CM, Clark V (2000) The threatened status of restricted range coral reef fish
species. Animal Conservation 3:81-88
Jones GP, McCormick MI, Srinivasan M, Eagle JV (2004) Coral decline threatens fish biodiversity
in marine reserves. Proceedings of the National Academy of Sciences, 101: 8251-8253
Jones GP, Caley MJ, Munday PL (2002) Rarity in coral reef fish communities. In: Coral reef fishes:
new insights into their ecology? PF Sale (ed.), pp. 81-101. Academic Press
LECTURE 20: SMALL POPULATION THEORY AND METAPOPULATION DYNAMICS
The purpose of small population theory is to provide, using simulations, sound quantitative
predictions about the likelihood of extinction under different conditions. If successful it can be
applied to the endangered species concept, providing an objective basis for placing species on
and taking them off endangered species lists. In this lecture I will consider the different kinds of
theoretical approaches used for determining population viability and whether or not these are
applicable to marine populations.
Hopf JK, Jones GP, Williamson DH, Connolly SR (2016) Fishery consequences of marine
reserves: short-term cost for long-term gain. Ecological Applications 26:818-829.
doi:10:1890/15-0348.1
Hopf JK, Jones GP, Williamson DH, Connolly SR (2016) Synergistic effects of marine reserves
and harvest controls on the abundance and catch dynamics of a coral reef fishery. Current
Biology 26:1543-1548
Nunney L and Campbell KA (1993) Assessing minimal viable population size: demography meets
population genetics. Trends in Ecology and Evolution 8:234-239
Shaffer ML (1981) Minimum population sizes for species conservation. Bioscience 31:131-134
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LECTURE 21: CONSERVATION OF GENETIC DIVERSITY IN THE MARINE ENVIRONMENT
The objectives of this lecture are to give you a brief overview of: (1) some of the techniques
available for assessing genetic structure of populations; (2) what these techniques are beginning
to tell us about the genetic structure of marine populations; and (3) review possible processes
causing loss of genetic diversity.
Allendorf FW, England PR, Luikart G, Ritchie PA and Ryman N (2008) Genetic effects of harvest
on wild animal populations. Trends in Ecology and Evolution 23:327-337
Hauser L, Adcock GJ, Smith PJ, Bernal Ramirez JH and Carvalho GR (2002) Loss of
microsatellite diversity and low effective population size in an overexploited population of
New Zealand snapper (Pagrus auratus)
Kuparinen A and Merila J (2007) Detecting and managing fisheries-induced evolution. Trends in
Ecology and Evolution 22:652-659
Zhou S, Smith ADM, Punt AE, Richardson AJ, Gibbs M, Fulton EA, Pascoe S, Bulman C, Bayliss
P and Sainsbury K (2010) Ecosystem-based fisheries management requires a change to the
selective fishing philosophy. Proceedings of the National Academy of Sciences
107:94859489
LECTURE 22: SHARK CONSERVATION IN TROPICAL MARINE WATERS
This guest lecture examines the life history characteristics and threats to shark populations and
species in tropical waters. It emphasizes the different processes that have lead to massive
population declines in many species.
Barker MJ, Schluessel V (2005) Managing global shark fisheries: suggestions for prioritizing
management strategies. Aquatic Conservation: Marine and Freshwater Ecosystems
15:325347
Baum JK, Myers RA, Kehler DG, Worm B, Harley SJ, Doherty PA (2003) Collapse and
conservation of shark populations in the Northwest Atlantic. Science 299:389-392
Dulvy NK et al. (2008) You can swim but you can’t hide: the global status and conservation of
oceanic pelagic sharks and rays. Aquatic Conservation: Marine and Freshwater Ecosystems
18:459-482
Worm B et al (2013) Global catches, exploitation rates and rebuilding options for sharks. Marine
Policy 40:194-204
LECTURE 23: ENHANCEMENT OF MARINE POPULATIONS AS A CONSERVATION TOOL
This lecture describes the potential means to actively restore endangered marine populations. This
includes: (1) Release of hatchery produced larvae and juveniles; (2) Release of “wild” caught
larvae and juveniles; (3) Release of brood stock; (4) Recruit attractors and artificial habitats; (5)
Manipulation and restoration of natural habitat; and (6) Translocation of marine organisms within
and beyond historical range.
Brown C, Day RL (2002) The future of stock enhancements: lessons for hatchery practice from
conservation biology. Fish and Fisheries 3: 79-94
Jones HP, Kress SW (2012) Review of the world’s active seabird restoration projects. Journal of
Wildlife Management 76:2-9
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Levin PS, Zabel RW, Williams JG (2001) The road to extinction is paved with good intentions:
negative association of hatcheries with threatened salmon. Proceedings of the Royal Society
of London B 268:1153-1158
Roberts CM, Quinn N, Tucker JW Jr, Woodward PN (1995) Introduction of hatchery-reared
Nassau Grouper to a coral reef environment. North American Journal of Fisheries
Management 15:159-164
LECTURE 24: REVERSING HUMAN IMPACT: RESTORATION OF MARINE COMMUNITIES
When conservation fails to bring about return to the original habitat, “restoration” or “rehabilitation”
may be the only viable alternative. By restoration, we mean human intervention to rebuild or
accelerate re-growth of a habitat after a disturbance. It involves active manipulation of the
disturbed habitat to promote the necessary successional changes toward the “natural” state of the
community. We set out to accelerate a return to the original assemblage structure and/or
ecosystem function. Two questions will be addressed: (1) What ecological principles are relevant
to restoration?; That is, what are the rules that are appropriate to assembling a community?; and
(2) What are the necessary steps in a restoration program? This involves identifying the natural or
target condition for the habitat, developing the necessary technologies for restoring key species,
and assessing the success of the restoration program. This will be illustrated with a case study on
the restoration of a saltmarsh habitat.
Moy LD, Levin LA (1991) Are Spartina marshes a replaceable resource? A functional approach to
evaluation of marsh creation efforts. Estuaries 14:1-16
Kaly UL and Jones GP (1998) Mangrove restoration: a potential tool for coastal management in
tropical developing countries. Ambio 27:656-661
Van Katwijk MM et al. (2009) Guidelines for seagrass restoration: Importance of habitat selection
and donor population, spreading of risks, and ecosystem engineering effects. Marine
Pollution Bulletin 58:179-188
LECTURE 25: HABITAT RESTORATION ON CORAL REEFS
This lecture will review all the latest methods for the rehabilitation of coral reefs, including the
different methods of promoting coral settlement, propagating and outplanting corals and
removal of competing species such as macroalgae.
Ceccarelli et al (2018) Rehabilitation of coral reefs through removal of macroalgae: state of
knowledge and considerations for management and implementation. Restoration Ecology
26:827-838.
dela Cruz DW, Harrison, PL (2017) Enhanced larval supply and recruitment can replenish reef
corals on degraded reefs. Scientific Reports 7: 13985
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4. POTENTIALLY THREATENED MARINE SPECIES: STATUS REPORTS
A large number of marine mammals and birds have gone extinct in the last 200 years. It is also
evident that other strictly marine species such as fishes and invertebrates are not as immune to
extinction as previously thought (Carlton et al. 1999, Roberts & Hawkins 1999). The development
of species-specific management plans that target potentially threatened marine species have
lagged behind other management options, such as all-purpose marine reserves. Criteria for
classifying marine species as “threatened” or “endangered” are particularly vague and there are no
co-ordinated management strategies that are enacted once species are classified.
Marine species are considered potentially threatened, due to some combination of biological
characteristics that make them naturally rare and human impacts that are likely to reduce their
numbers even further. Species may be restricted to very small geographic areas that are highly
disturbed. They may be over-exploited with no natural refuges from human exploitation. They may
be restricted to shallow coastal areas and sensitive to coastal enrichment or pollution. They may
be large, long-lived and susceptible to any level of exploitation or disease. They may be naturally
weak competitors in the process of being replaced by exotic species. They may be specialised
species that are sensitive to a widespread decline in the quality of their habitat. However, the
particular problems faced by particular species are not always clear.
The main impediment to developing species-specific management strategies is that lack of
information on the status of potentially threatened species or the ecosystems they rely on. That is,
what is the geographic range of the species and what are the current population numbers and
trends? What are the biological characteristics of species that should be considered potentially
threatened? How are these species and their demographic parameters responding to exploitation,
pollution, habitat loss and other disturbances? At what point should they be considered
endangered? What management actions are possible and what are appropriate to species of
different kinds?
The aim of this exercise is to assemble up-to-date information on the status of marine species that
either have or should be considered potentially threatened. The following list is a selection of
species (or groups of species) from a variety of taxa and geographic locations that either are or
might be considered endangered:
Blue whale (Balaenoptera musculus)
Southern right whale (Eubalaena australis)
Northern Pacific right whale (Eubalaena japonica)
Bowhead whale (Balaena mysticetus)
Hector’s dolphin (Cephalorhynchus hectorii)
Irrawaddy river dolphin (Orcaella brevirostrus)
Vaquita (Phocoena sinus)
Atlantic humpback dolphin (Sousa teuszii)
Mediterranean monk seal (Monachus monachus)
Australian sea lion (Neophoca cinerea)
Southern sea otter (Enhydra lutris nereis)
Manatee (Trichechus manatus)
Dugong (Dugong dugon)
Stellar sea lion (Eumetopias jubatus)
Guadalupe fur seal (Arctocephalus townsendi)
Leatherback turtle (Dermochelys coriacea)
Loggerhead turtle (Caretta caretta)
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Kemp’s ridley sea turtle (Lepidochelys kempi)
Hawksbill turtle (Eretmochelys imbricata)
Galapagos marine iguana (Amblyrhynchus cristatus)
Sea snakes (Aipysurus spp)
Albatross species
Frigatebirds (Fregata spp.)
Petrels (Pterodroma spp)
Coelacanth (Latimeria chalumnae)
Great White shark (Carcharodon carcharias)
Whale shark (Rhiniodon typus)
Grey nurse shark (Carcharias taurus)
Pondicherry shark (Carcharhinus hemiodon)
Angel sharks (Squatina spp)
Hammerhead sharks (Sphyma)
Gulper sharks (Centrophorus)
Giant guitarfish (Rhynchobatus djiddensis) Sawfishes
(Pristis or Anoxypristis spp)
River & speartooth sharks (Glyphis spp).
Barn door skate (Raja laevis and other Raja species)
Swordfish (Xiphias gladius)
Chinook salmon (Onchorhynchus tshawytscha)
Sea horses (Hippocampus spp.)
Handfishes (Brachionichthys, Thymichthys)
Banggai cardinalfish (Pterapogon kauderni)
Goliath grouper (Epinephelus itajara)
Speckled hind (Epinephelus drummondhayi)
Warsaw grouper (Epinephelus nigritus)
Nassau grouper (Epinephelus striatus)
Northern bluefin tuna (Thunnus thynnus)
Maori wrasse (Cheilinus undulatus)
Sturgeon (Acipenser spp.)
Tidewater goby (Eucyclogobius newberryi)
Leafy sea dragon (Phycodurus eques)
Patagonian toothfish (Dissostichus eleginoides)
Hydrocoral (Millepora boschmai) and other hard corals and gorgonians
Giant clams (Tridacna, Hippopus)
Abalone (Haliotus)
There will be a limit of just two students per species. There will be a sign-up sheet on LearnJCU
by the end of Week 2, so you can get started on your report as early in the semester as you’d like
to.
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There will be two parts to this project:
4.1 STATUS
REPORT
This is a written evaluation of the species. Your report should assess the current and projected
status of this species and viable management options. You should:
• Review historic and current trends in the geographic range and abundance of the species
(if available) and discuss whether these figures suggest that the species should be
considered potentially threatened.
• Review the biological characteristics of the species and processes that have lead to the
current status.
• Consider the current status of our scientific knowledge of this species and what are the
research priorities?
• Outline the current status of the species, in terms of international and domestic legislation
and conservation action.
• Outline species-specific management strategies that are appropriate for the conservation of
this species.
• Discuss options for the active restoration of this species by captive breeding or
enhancement.
• Give your prognosis for the future of this species.
Your report should be a maximum of 2500 words. It should begin with a title and should
subsequently be divided into two sections: (1) Executive Summary (maximum of 500 word
summary of your main conclusions and a list of recommendations (suitable for forwarding to a
newspaper); (2) Technical Report (maximum of 2000 words, which is the main body of
assignment, excluding figures and tables). To provide structure and clarity, the use of subheadings
within the technical report is highly recommended, including an introduction at the beginning
(general concepts, background and a statement of the aims of the report) and a conclusions and
recommendations section at the end. All text should be written in your own words, giving the
citations to articles or web sites from which the information was sourced. Do not copy from other
assignments, past or present. Figures and tables can be either original or copied from published
works or websites. Make sure copied figures are clear, provide an original caption and indicate the
source. Reproduce photographs only where essential to illustrate a point.
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Our marking sheet will be as follows:
Marking
category
Maximum
mark
Your
mark Comments
Executive
summary
2.5
500 word summary of main findings. Write in plain
language suitable for a press release.
Introduction
1.5
Must have a clear introduction… begin with general
concepts, finish with a specific set of aims or
questions.
General
information
4.5
You must cover all the ecological and biological
information that contributes to current status. Do not
include information that has no direct relevance to
conservation.
Management 4.5
Must have a clear set of management
recommendations
Prognosis and
conclusions
1.5
Give a clear prediction for future status of this species
with and without management action.
Research/
References
1.0
Should cite at least 20 references, including the
most important ones for the species. Use a
standard format.
Structure,
organisation,
clarity
1.5
This relates to presenting information in a logical
order.
Originality 1.0
Having an original title and including figures/tables
that you have created/modified/redrawn, informative
section headings and your own management ideas
all contribute to your mark for originality.
Figures/Tables 2.0
Marks will be given for inclusion of clear and relevant
illustrative material. Include at least 4-5
figures/tables.
Total 20.0
4.2 SEMINAR AND POSTER
You will need to prepare a poster using Microsoft PowerPoint (including pictures, maps, figures
etc) and present a 5 minute verbal presentation of the poster during tutorial time. Posters should
be in the form of a single slide, either in portrait or landscape mode. Please do not prepare a
powerpoint presentation with multiple slides and do not use animations. Posters will be projected
using a data projector, rather than printed (to save paper). Notes on how to prepare a poster can
be found in the next section.
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A powerpoint file of your poster must be emailed to the relevant tutor 24 hours before your allotted
talk. An email will be sent to you to let you know who to send your poster to.
Make sure your last name and tutorial group is in the file name for the PowerPoint file when
it is emailed, e.g. Jones-Group1.pptx
Common faults with posters in previous years include:
(1) Writing in point form, with too little information. Use proper sentences.
(2) Poor balance between written and illustrative material, i.e. nearly all writing or nearly all
pictures. You need good use of both.
(3) Too much unused space – fill up the poster.
(4) Poor choice of background and font colours, so writing cannot be clearly seen.
(5) Lack of critical evaluation or synthesis.
(6) No clear conservation initiatives.
(7) Unimaginative title and layout.
(8) Not putting your name on the poster (or the ppt file).
Common faults with presentations include:
(1) Talking to the poster rather than the audience.
(2) Reading notes.
(3) Going well under or over the allotted 5 minutes.
(4) Giving a talk that does not integrate with the poster.
Hints on making a good poster
• There should be roughly equal amounts of written and illustrative material on your poster
• Use both graphs and pictures
• Use contrasting background and text colours
• Use a large enough font size for the text so that people sitting in the back of the room will
be able to read it
• Remember to put your name somewhere on the poster
• Save the PowerPoint file with your name and tutorial group as the filename
5. DISCUSSION TUTORIALS AND COMPUTER WORKSHOPS
5.1 TUTORIAL 1 (DISCUSSION TUTORIAL) – THE BIODIVERSITY DILEMMA: RESEARCH
AND MANAGEMENT OF RARE SPECIES OR ECOSYSTEMS (VERBAL DEBATE)
Conservation biology is concerned with developing methods for maintaining biodiversity. However,
biodiversity means different things to different people. To develop an all-encompassing definition,
Soule (1992) developed the idea of a bio-spatial hierarchy encompassing everything from genes to
landscapes. However, it is clear that there are insufficient resources to carry out all the required
research at all these levels. Since research and management at some levels may be more
effective than others, we need a set of research priorities.
Historically, the major focus of research, management strategies and funding priorities has been
on rare and endangered species, and this is likely to continue. Central to this approach are the
IUCN Red lists and “endangered species acts”, which have been adopted in many countries.
14
However, there has been an increasing call for research into maintaining ecosystem function (eg.
Franklin 1993). These workers believe that the species by species approach is inadequate and too
time consuming, and the extreme view is that individual species do not matter, provided
ecosystem function is maintained. They often point to the failure of endangered species acts to
save species from extinctions and argue that this legislation should be abandoned. However, the
alternative approach is not always clearly articulated and provides no guarantee that species will
not go extinct. For the marine environment, the single-species approach has primarily focussed on
mammals and reptiles, while ecosystem protection appears to primarily focus on marine reserves
and integrated coastal zone management.
In this tutorial we will debate whether or not our limited resources should go towards maintaining
threatened species (based on endangered species acts) or maintaining degraded ecosystems.
The latter approach argues for replacing endangered species lists and legislation with a
threatened ecosystem approach. But how do we define a threatened ecosystem? Regardless of
your personal views, if your surname starts with a letter between A-L, you should argue for
species, and M-Z, should argue for ecosystems. Would you argue the same for both marine and
terrestrial systems?
You will be split up into two groups for 20min to develop your arguments. Elect a scribe to make a
list of your key points. The two groups will then face-off to have the debate. The purpose of the
debate is to bring out the strengths and weaknesses of both approaches. Compromise will only be
allowed in the last 5 minutes.
The following papers provide some background (just read a selection!):
Dulvy N (2013) Supersized MPAs and the marginalization of species conservation. Aquatic
Conservation: Marine and Freshwater Ecosystems 23:357-362
Franklin JF (1993) Preserving biodiversity: species, ecosystems or landscapes. Ecological
Applications 3:202-205
Mann CC and Plummer M (1995) Is Endangered Species Act endangered? Science
267:12561258
Simberloff D (1998) Flagships, umbrellas, and keystones: is single-species management passé in
the landscape era? Biological Conservation 83:247-257
Tracey CR and Brussard PF (1994) Preserving biodiversity: species in landscapes. Ecological
Applications 4:205-207
Tayor MFJ, Suckling KF, Rachlinski JJ (2005) The effectiveness of the Endangered Species Act: a
quantitative analysis. Bioscience 55:360-367
THERE IS A LINK TO REFERENCES FOR THIS TUTORIAL ON LEARNJCU
(in the folder ‘Lectures and Tutorials’ – ‘Week 2’)
15
5.2 TUTORIAL 2 (Literature Search) – CORAL REEFS IN CRISIS: OVER 50 YEARS
OF ESCALATING THREATS
5.2.1 Changing threats – changing research priorities
When scientists began studying coral reefs they were captivated by fundamental ecological issues
relating to their high biodiversity and productivity. Prior to the 1970’s it was relatively rare to find
publications on human impacts on coral reef habitats and there was little in the way of applied
research. With the first outbreak of crown-of-thorns starfish in the 1970’s, scientists began
focussing on the possible human causes (Grigg 1992). Increasing nutrient enrichment and
sedimentation on coral reefs lead to research programs focussing on the possible effects of
terrestrial run-off on coral reefs (Roberts 1993). Increasing exploitation of large reef fishes also
lead to scientists studying the impacts of exploitation on coral reef health (Roberts 1993). The
steady introduction of marine reserves highlighted the effects of exploitation and reserves as an
effective means of management. As time has progressed, an ever-increasing diversity of human
impacts has been documented. Over the last few decades, research on environmental issues on
coral reefs has grown dramatically, but the nature of this research has changed. By 2003,
scientists were ringing the alarm bells and the worldwide degradation of coral reefs is now widely
recognised (Hughes et al. 2004). The latest dire predictions for coral reefs come from global
warming and ocean acidification.
The aim of this tutorial is to conduct a literature search to document changes in the focus of coral
reef environmental research over the last 54 years. Is there evidence that scientists have
increased their attention to the environmental stresses faced by coral reefs? And have they shifted
their attention to different environmental issues as time has progressed? As an indicator of the
most important impacts on reefs, how many scientific papers have focussed on the different
threats facing coral reefs (e.g. crown-of-thorns outbreaks, nutrient enrichment, sedimentation,
exploitation, pollution, ocean warming, sea level rise, and acidification)? To date there has been
no integrated analysis of these trends.
There are fundamentally two ways to do research. One is to carry out primary research, which may
involve collecting your own data from the field. The other is to research the published scientific
database and analyse trends and generalizations from that source. This second approach is called
meta-analysis, which aims to compare and synthesize results from multiple studies. Meta-analyses
vary in sophistication from studies graphically examining trends in published data to complex
statistical analyses of research outcomes.
The aim of this exercise will be to carry out an online literature search to analyse trends in
the study of the environmental issues facing corals reefs and quantify how coral reef
scientists have risen to the challenge.
We will use a search engine, the ISI Web of Science, to examine trends in coral reefs science
between 1965 and 2018. This will allow us to systematically search the contents of key journals in
marine biology and ecology, and extract a data set that will enable us to answer the following
questions:
(1) Has the number of publications on human impacts on and conservation of coral reefs
increased over the last 54 years?
(2) Has the proportion of all publications on coral reefs that address environmental issues
increased over this period? That is, has there been a shift from pure to applied ecology?
16
(3) Over the last 54 years, how much research has been directed at the different environmental
issues? That is, what are the trends in the numbers of papers have focussed on (a) crown-
ofthorns starfish (Acanthaster) outbreaks; (b) terrestrial run-off (sedimentation, nutrient
enrichment); (c) chemical pollution and oil spills; (d) overfishing (live fish trade); (e) global warming
(coral bleaching, ocean warming, sea-level rise); (f) ocean acidification and (g) coral disease?
When did the first publications on each of these topics first appear? Is there just an overall
increase in the amount of research on all these impacts or have some perceived impacts come
and gone?
(4) Overall, how many studies have been published on the 6 different topics? What topics do
you think require more attention?
5.2.2 How to start?
There are potentially two ways to search the literature. One would be to laboriously thumb through
the pages of the journals. However, we are going to use the ISI Web of Science search engine,
which is going to be a LOT quicker. Each student will collect their own data by searching the ISI
Web of Science.
On the JCU website, click on Library, then click on Databases (from the menu bar below the
photo). Click W, then Web of Science. This will take you to the ISI Web of Knowledge web site.
Check that Web of Science Core Collection is selected and not All databases.
Under Timespan, select Custom year range, and set the year range to 1965-2018. We will not
search 2019 because it is not over yet!
Step 1. What is the total number of papers published on coral reefs? In the top topic field,
simply type coral* AND reef* (We add the “*” after the word “coral” so that in the search it will pick
up papers using both the singular and plural of that word).
Then press Search and it will display all papers including the word coral (or corals) and reef (or
reefs) between the dates requested. This will be the total number of papers on coral reefs,
including pure ecology and applied studies.
Press Analyze results (at the top right of the list of papers), and a new page will be displayed. In
the left-hand menu bar, select Publication Years. We do this to display results by year, from the
year with the most publications to the year with the least. Below the graph, change Show to 100,
make sure Minimum record count is set to 1, then click Update. Below this, you will see the
number publications by year from the maximum to the minimum.
Save the data as a text file and import it into Excel by clicking on Download (at the bottom right of
the page), and then Save File and OK. In Excel, click on File and select Open, select the text file
(it will be in the Downloads folder, unless you specified a different location when you saved the
file), make sure Delimited is selected and click Finish. Alternatively, open the text file in Web of
Science by clicking on Download, and then Open with and you can then copy and paste the data
into Excel. You cannot copy the data directly from ISI Web of Science and paste it into Excel as
Excel will treat the numbers as text and you will not be able to use them in any calculations.
17
To get back to the first page, click on Back to previous page (top left of page), then Search (top
left of page).
Step 2. How many publications have there been on crown-of-thorns starfish (Acanthaster)
and their impacts
on coral reefs?
Type in the following search algorithm in the top line (note: you need to type in the whole line
below, including
the AND and OR in capitals, and the *):
[Coral* AND reef* AND Acanthaster] OR [Coral* AND Reef* AND Crown* AND Thorn*]
This should pick up most of the papers on this topic. Click on Analyze results. Click on
Publication years, and check it is still set to show the top 100 results, and a minimum record
count of 1. Save the data to a text file and import it into your Excel file. You will need to rearrange
your data (using the Sort function in the Data tab) so that it is displayed in order of year, and insert
rows for any years that are missing.
Click on Back to previous page. To find examples of key papers on this topic, click on Create
citation report tab. This will arrange the papers from the most cited to least cited – the better
papers should be among the most cited. Make a note of some papers to cite in your report.
Step 3. How many publications have there been on sedimentation and nutrient enrichment
on coral reefs?
Type in the following search algorithm (note: you need to type in the whole line below, including
the AND and OR in capitals, and the *):
[Coral* AND reef* AND sedimentation] OR [Coral* AND Reef* AND nutrient AND enrichment] OR
[Coral* AND reef* AND terrestrial AND run-off]
Repeat the procedure above. Transfer the data to your Excel file.
Step 4. How many publications have there been on chemical pollution and oil spills?
[Coral* AND reef* AND chemical AND pollution] OR [Coral* AND Reef* AND oil AND spill*]
Repeat the procedure above. Transfer the data to your Excel file.
Step 5. How many publications have there been on overfishing or overharvesting on coral
reefs, including the effects of the live fish trade.
[Coral* AND reef* AND overfish*] OR [Coral* AND reef* AND overharvest*] OR [Coral* AND reef*
AND live AND trade]
Repeat the procedure above. Transfer the data to your Excel file.
Step 6 How many publications have there been on ocean warming, coral bleaching and sea
level rise.
[Coral* AND reef* AND ocean AND warming] OR [Coral* AND reef* AND bleaching] OR [Coral*
18
AND reef* AND sea AND rise]
Repeat the procedure above. Transfer the data to your Excel file.
Step 7. How many publications have there been on ocean acidification?
[Coral* AND reef* AND ocean AND acidification]
Repeat the procedure above. Transfer the data to your Excel file.
Step 8. How many publications have there been on coral disease?
[Coral* AND reef* AND disease]
Repeat the procedure above. Transfer the data to your Excel file.
5.2.3 Graphing your data and submitting your answer sheet
By the end of the tutorial, you should have an Excel spreadsheet with 9 columns – one column
with publication years, one column with the numbers of publications on coral reefs, and a column
each for the numbers of publications on the 7 human impacts. Graph your data to answer the
following questions:
(1) Has the number of publications on human impacts on and conservation of coral reefs
increased over the last 54 years?
To graph this, sum across the columns for the number of publications on the 7 human impacts
in each year. Plot this total number of papers (y-axis) against years (x-axis) using a line graph.
(2) Has the proportion of all publications on coral reefs that address environmental issues
increased over this period? That is, has there been a shift from pure to applied ecology?
To graph this, divide the values you calculated in question 1 by the number of studies on coral
reefs for each year. Graph this proportion (y-axis) against years (x-axis) using a line graph.
(3) Over the last 54 years, how much research has been directed at the different environmental
issues? That is, what are the trends in the numbers of papers have focussed on (a) crown-
ofthorns starfish (Acanthaster) outbreaks; (b) terrestrial run-off (sedimentation; nutrient
enrichment); (c) chemical pollution and oil spills; (d) overfishing (live fish trade); (e) global warming
(coral bleaching, ocean warming, sea-level rise); (f) ocean acidification; and (g) coral disease?
When did the first publications on each of these topics first appear? Is there just an overall
increase in the amount of research on all these impacts or have some perceived impacts come
and gone?
To graph this simply plot the numbers of studies on the seven topics (y-axis) against years
(xaxis), with a different line for each of the impacts. Make sure you label each line clearly.
(4) Overall, how many studies have been published on the 7 different topics? What topics do
you think require more attention?
To answer this, for each of the impacts, sum all the rows from 1965 to 2018. Plot a column graph
with the total number of publications (y-axis) and the seven different impacts (x-axis).
There is an answer sheet provided on LearnJCU in the folder ‘Lectures and Tutorials’ – ‘Week 3’.
Paste your graphs into the answer sheet and answer the questions, then submit your answer
sheet via the drop box in the Week 3 folder.
19
5.3 TUTORIAL 3 (DISCUSSION TUTORIAL) – “THE GLOBAL WARMING CONTROVERSY:
ADVOCATE OR SKEPTIC?” (VERBAL DEBATE)
The global warming controversy is a dispute regarding the nature and consequences of global
warming. Following the 5th Assessment Report of the Intergovernmental Panel on Climate
Change (IPCC) there is now broad scientific agreement that climate change is happening and is
very likely caused by human emissions of greenhouse gases. However, because of the
uncertainties in modelling climate change, there are still many skeptics. The aim of this tutorial will
be to debate and explore the arguments for and against human-induced climate change and
assess the merits of the arguments on both sides.
The key conclusion of the 5th IPCC report is that it is unequivocal that global warming is occurring;
it is ‘extremely likely’ that over half of the observed increase in global average surface temperature
from 1951 to 2010 was caused by anthropogenic emissions of greenhouse gases. Global mean
surface temperature has increased by 0.85 degrees Celsius from 1880 to 2012, and global mean
sea level has risen by 0.19 m from 1901 to 2010, and the frequency and intensity of extreme
weather events (e.g. floods, droughts, wildfires and cyclones) has increased. It is predicted that, by
the end of the 21st century (2080-2100) the following will occur: global mean surface temperature
will increase (relative to 1986-2005) by 0.3 to 1.7 degrees Celsius under the best (RCP2.6) of the
4 emissions scenarios, and by 2.6 to 4.8 degrees Celcius under the worst emissions scenario
(RCP8.5); global mean sea level will rise (relative to 1986-2005) by between 0.26 and 0.55 m
under the best emissions scenario (RCP2.6), and by between 0.45 and 0.82 m under the worst
emissions scenario (RCP8.5); and there will be an increase in the frequency of droughts, and in
the frequency and intensity of extreme weather events such as tropical cyclones (which include
typhoons and hurricanes).
The disputed issues include the causes of increased global average air temperature, especially
since the mid-20th century, whether this warming trend is unprecedented or within normal climatic
variations, and whether the increase is wholly or partially an artefact of poor measurements.
Additional disputes concern estimates of climate sensitivity, predictions of additional warming,
what the consequences are, and what action should be taken (if any). The debate is vigorous in
the popular media and on a policy level.
Before coming to the tutorial we will provide you with some articles to fuel the debate. At the
tutorial you will be randomly assigned to a position either for or against the conclusions of the
IPCC report. In the first half hour you will be divided into two groups to assemble your arguments,
after which we will have a class-level discussion.
20
Reading:
Cook J (2010) A scientific guide to the skeptics handbook
IPCC 5 (2014) Synthesis Report – Summary for Policymakers
Jaworowski Z (2007) CO2: The greatest scientific scandal of our time. EIR Science
Meyer W (2012) Understanding the global warming debate
Muller RA (2012) The conversion of a climate change skeptic. NY Times Nova
J (2009) The skeptics handbook.
Steffen W & Hughes L (2013) The critical decade: climate change, science, risks and responses
http://www.skepticalscience.com/ – provides a summary of the most common arguments presented
by climate change sceptics, and the scientific evidence we have to counter those arguments. You
can also download a free ‘Skeptical Science’ smart-phone app.
THERE IS A LINK TO REFERENCES FOR THIS TUTORIAL ON LEARNJCU
(in the folder ‘Lectures and Tutorials’ – ‘Week 4’)
21
5.4 TUTORIAL 4 (COMPUTER WORKSHOP) – MARINE RESERVES: DO THEY PROTECT
EXPLOITED SPECIES AND CORAL REEF HABITATS (VIDEO SURVEY EXERCISE)
5.4.1 Introduction
Marine reserves or marine protected areas (MPAs) have become one of the major tools for the
management of coastal marine habitats and exploited marine organisms (Lubchenco et al. 2003).
There are essentially two main types of MPAs (Hastings & Botsford 2003). The first and most
common is a “no-take” area that is specifically designed as a fishery management tool for
exploited species or multi-species assemblages (Gell & Roberts 2003). The second type of MPA is
a “conservation” area set aside for the protection of marine biodiversity (e.g., Fernandes et al.
2005). The evidence for local fishery benefits of MPAs is overwhelming, with the vast majority of
exploited species increasing in abundance, biomass and reproductive potential in no-take areas
(e.g., Gell & Roberts 2003, Russ 2003). The role of reserves in fisheries management has been
questioned, particularly for mobile species, where open areas become overfished or where there
are compliance problems (e.g., Agardy et al. 2003, McClanahan et al. 2006). However, while many
questions remain unanswered, such as the degree to which MPAs benefit adjacent fished areas
through larval connectivity (Sale et al. 2005), the case in support of the benefits of MPAs for
fisheries is overwhelming.
The degree to which MPAs benefit the vast majority of unexploited species is less clear. MPAs
continue to be established in the belief that they can protect a “representative” range of species
and habitats, promote biodiversity by protecting rare species or unique habitats, safeguard areas
in face of widespread habitat degradation, and contribute to recovery of damaged areas
(Lubchenco et al 2003). There is surprisingly little evidence for many of these claims. Many believe
MPAs are necessary, but by themselves insufficient to maintain marine biodiversity. There is little
doubt that closing representative of complementary areas is the most efficient way to include as
many species as possible in areas closed to fishing or collecting (e.g., Fox & Beckley 2006).
However, such species are only “protected” if you assume that fishing and collecting are the main
threats to these species. In coastal areas subject to terrestrial run-off, pollution or in the context of
global warming, MPAs may do little to prevent the decline of sensitive species (Boersma & Parrish
1999, Jones et al 2004, Cicin-Sain & Belfiore 2005). While MPAs may still increase the abundance
and biomass of exploited species in degraded habitats (e.g., Hawkins et al. 2006), they may do
little to halt degradation (Jones et al. 2004). The reduced fishing pressure and increase in the
abundance of large fishes in MPAs may itself be responsible for a decline in many smaller species
(e.g., Graham et al. 2003).
It is important that we consider whether or not marine reserves “work” in the way they are
intended. Not only can this tell us how we are impacting on marine assemblages (if indeed we
are), but it can also increase our understanding of how marine species respond to human
exploitation and to each other. Since some organisms increase in abundance in reserve areas,
and others may decline, we need to sample a range of organisms at different trophic levels to
determine whether MPAs are achieving the desired goals. While establishing marine reserves is
probably not going to be harmful if they do not work, if they do work, there can be no better
support than the biological knowledge that they are successful. Much of this information can be
gained from examining what goes on inside and outside marine reserves, before and after they are
established. They can be considered large-scale experiments in which we are learning a great
deal about how to manage and protect marine biodiversity.
22
The aim of this exercise is to examine the effects of a marine reserve network in Kimbe Bay,
Papua New Guinea on key coral reef organisms from different trophic levels, including corals,
algae, urchins and herbivorous fish. Many argue that maintaining healthy populations of herbivores
is crucial to maintaining reef biodiversity as a whole. GP Jones, along with a number of
collaborators, has been monitoring MPA’s (small reefs closed to fishing) and fished reefs in Kimbe
Bay since 1996 (MPAs established in 1999 – Jones et al. 2004). For this exercise, video transects
for benthic organisms and fishes were carried out in June 2006 for 3 of the MPAs and 3 reefs open
to fishing and collecting. Your task is to compare the cover or abundance of different organisms in
open and closed areas, and at the different sites, 7 years after protection.
5.4.2 Kimbe Bay, Papua New Guinea
Kimbe Bay is a large bay on the northern coast of New Britain, adjacent to the Bismarck Sea (Fig.
1). The small MPA network (Fig. 2) is located near two small villages not far from the township of
Kimbe, the commercial centre for West New Britain Province. Most of the fishing and collecting in
this area is at a subsistence level. Herbivorous fish are targeted with nets in shallow water
habitats. Local fishers also use “poison rope” (vines containing rotenone) to collect smaller fishes.
There is also intensive collecting of invertebrates such as beche-de-mer at low tide. Although there
is not complete compliance with the reserve status, fishing pressure is substantially reduced in the
MPAs. These reefs are also subject to coastal influences of sedimentation and nutrient enrichment
from deforestation and cultivation of oil palm, and from increased frequency of bleaching as a
result of ocean warming.
23
5.4.3 Sampling design
The goal is this exercise is to assess how a range of key organisms, including habitat formers
(e.g., corals, algae) and potentially important consumers (e.g., sea urchins, herbivorous fish) have
responded to protection. Video transects were recorded for 6 sites in total, three MPAs (Lady Di,
Limuka, Gava Gava) and three reefs open to fishing (Malane Huva, Garbuna, Luba Luba) in June
2006 (Fig. 2). Video footage is only provided for the shallow reef crest habitat, which is subject to
the greatest fishing pressure and also the greatest wave motion. Videos were made on snorkel,
sometimes in quite surgy conditions, so you should get a good feeling for the practical difficulties in
obtaining data in this habitat. You might even get seasick!
Fig. 2: Satellite image showing open and closed (MPA) reefs
Two types of video are provided on the Marine Conservation Biology YouTube channel:
(1) Benthic transects: There are 4 replicate 50m line transects (called Coral 1-4 on the DVD)
for each site. For these transects, the diver pointed the video camera downward and swam along
the transect line filming the substratum, keeping the transect line in view. These transects can be
used to record two things: (a) the % cover of the main attached organisms or substrate types, and
(b) the number of sea urchins Echinometra mathaei). You will need to play the coral transects
twice, once to record the substratum types, and a second time to count the sea urchins.
(2) Fish transects: There are also 5 replicate “timed swims” of 2 minutes each (called Fish 1-5
on the DVD) for each site. In these there is no transect line. The diver swam slowly along the edge
of the reef crest pointing the video camera straight ahead. These transects can be used to assess
the relative abundance of fishes in open and closed areas. Each person will record the numbers of
two herbivorous surgeonfish, Ctenochaetus striatus and Acanthurus lineatus. You will also need to
play each timed-swim twice, once to record each species.
On the MB3200 YouTube channel, there is a separate playlist for each site
Click this link to view the playlists: Tutorial 4 playlists
When you click on a playlist title, you will get a list of the videos for that site. Click on the name of a
video to play it, and you will get a list of all the videos for that site on the right hand side.
N
Garbuna
open ( )
Gava Gava
( closed )
Limuka
( closed ) Lady Di
( ) closed
Malane Huva
) ( open
Luba Luba
( open )
24
Choose just 1 site and choose any 3 ‘Coral’ transects and any 3 ‘Fish’ timed swims to survey.
Record benthic substrata, numbers of sea urchins and numbers of the two fish species in the data
sheet provided, using the instructions below. Turn the volume off while playing the videos.
There are some photos of the organisms you will be recording on LearnJCU, so have a look at
these before you start.
5.4.4 Playing the videos and recording your data
(1) Benthic transects:
(a) In this exercise we will divide the substratum into 9 simple categories:
(1) Complex corals – branching, plate, digitate, foliose
(2) Massive, encrusting & solitary corals
(3) Soft corals, sponges, encrusting invertebrates
(4) Bare rock, coralline paint
(5) Turf algae on coral rock
(6) Turf algae on rubble
(7) Macroalgae
(8) Sand, gravel, or rubble.
(9) Others, including unidentified substrata.
The transect line has 100 random points marked with a black pen and numbered (1-100). Pause
the video when the random point is close to the middle of the screen and record the main
substratum underlying the point. Continue until you have recorded the substratum for all the
random points, marking the substratum on the data sheet provided as you go.
(b) Run each coral transect again to count the sea urchin Echinometra mathaei, including all
individuals seen on screen. Individuals of this species are very patchy and often deep in
grooves that they have created (see Figs. 10 and 11). You will need to be quite vigilant to see
them, and may need to pause or rewind the video to confirm their presence. Don’t be surprised
if you get none on some transects! To calculate urchin densities we will assume each transect
is 0.2m wide by 50m long (10m2).
(2) Fish transects:
Play each fish transect twice, once to count Ctenochaetus striatus (relatively common) and a
second time to count Acanthurus lineatus (relatively rare). Record your counts on the data sheet
provided. Fish are mobile and hard to see in the distance, which makes counting them difficult. It is
best to count them only when they come into the lower half of the screen where they are close
enough to identify. Count each individual only once. If a fish swims through your view and then
offscreen, and you see what you think is the same fish reappear, count this as a new individual.
Our counts of these two species will be expressed as mean numbers seen in 2 min of observation.
That is, they will not be expressed as a density or numbers per m2.
5.4.5 Class data set
Submit your data sheet via the drop box on LearnJCU (in the Week 5 folder) by the end of Week 5.
We will compile a class data set and upload this on LearnJCU (under ‘Assessment’) at the
beginning of Week 6.
25
5.5 TUTORIAL 5 (Information Session): HOW TO WRITE UP THE MARINE RESERVES
REPORT
In this tutorial we will run through how to graph, analyse and interpret your results. This is an
online tutorial, with a recording provided on LearnJCU for you to view in your own time, i.e. there is
no face-to-face tutorial in Week 6. There is also a screen recording on LearnJCU on how to
calculate means and standard errors, and plot graphs with custom error bars in Excel.
5.5.1 Graphing your data
You will need to download the Excel file containing the class data set from LearnJCU (in the folder
‘Assessment’ – ‘Assignment 1’). In this workbook there are three worksheets titled “Data Benthic”,
“Data Urchins” and “Data Fish”. In each sheet there is a data set that resembles the following
table,
Open_Closed Reef Transect X Y Z
Closed Limuka 1 – – –
Closed Limuka 2 – – –
Closed Limuka 3 – – –
Closed Limuka 4 – – –
Open Luba Luba 1 – – –
Open Luba Luba 2 – – –
Open Luba Luba 3 – – –
Open Luba Luba 4 – – –
Closed Lady Di 1 – – –
Closed Lady Di 2 – – –
Closed Lady Di 3 – – –
Closed Lady Di 4 – – –
Closed Gava Gava 1 – – –
Closed Gava Gava 2 – – –
Closed Gava Gava 3 – – –
Closed Gava Gava 4 – – –
Open Garbuna 1 – – –
Open Garbuna 2 – – –
Open Garbuna 3 – – –
Open Garbuna 4 – – –
26
Open Malane Huva 1 – – –
Open Malane Huva 2 – – –
Open Malane Huva 3 – – –
Open Malane Huva 4 – – –
and which provides you with the counts (fish, urchins) or percentage cover (benthic categories) in
each transect at each reef (represented by XYZ above). Remember that for benthic composition
and urchins there were four transects, but for fish there were five transects at each reef. You will
need to calculate and plot the mean for each variable (fish, urchins, benthos) for each reef. In
excel you can calculate the mean using the formula “ = average(D2:D5)”, for example, to calculate
the average of the values in cells D2 through D5. Once you have calculated the means you can
use these to create a chart.
You will also need to plot the standard errors on your chart of means. Standard error is the
standard deviation divided by the square root of the number of transects used to calculate the
mean. In Excel you can calculate the standard error for each mean using the formula “ =
stdev(D2:D5)/sqrt(4). Don’t forget to use sqrt(5) for the fish data. Those of you who have learned
how to use pivot tables in other courses can use this as an opportunity to practise your pivoting
skills! Once you have the standard errors you need to add them to your graph as custom error
bars.
Don’t forget to code your reefs as open or closed as well as providing their names. You should end
up with a figure for each fish species, urchins and for branching corals and the rock/algae category
(don’t worry about the other benthic categories) that roughly resemble the template provided
below.
Figure X. Mean abundance of Ctenochaetus striatus at three reefs open to fishing and three reefs
closed to fishing in Kimbe Bay, Papua New Guinea. This graph is an example only… not your data.
0
10
20
30
40
50
60
70
80
90
Luba Luba
) ( Open
Malane
Huva
( Open )
Garbuna
( Open )
Gava Gava
Closed ( )
Lady Di
( Closed )
Limuka
( Closed )
27
5.5.2 Analysing your data
The data should be analysed for significant differences in the abundance of fish and urchins and in
the percentage cover of benthic categories using a two-level nested ANOVA, where Reefs are
nested in Open v Closed status. If you know how to perform this analysis you may carry out this
procedure yourself using the data provided. For those students who are unsure we have included
the following for your information.
In these analyses, Open v Closed status is a fixed factor, while Reef is a random factor. This is
because reefs can only be Open or Closed, there is no other option. In contrast, we chose six
reefs from a network of reefs, in which there were a number of other reefs we could have chosen,
therefore, they are random.
Our dependent variables in these analyses are each species of fish, urchins, and each benthic
category, and we need to do a separate ANOVA for each variable. For the two species of fish and
the urchins, testing of the assumptions of ANOVA revealed that the variances were heterogenous.
These can be greatly improved by a square-root transformation. Since the benthic categories were
percentage cover, we needed to do an arcsine transformation. Examples of how the ANOVAs
might look for the transformed data are as follows (your data will be different):
Branching/plate/digitate/foliose corals
Source SS df MS F p
Open Vs Closed 0.047
Reefs (Open Vs Closed) 0.888
Error 0.162
1 0.047 0.213 0.668 4 0.222
24.713 < 0.000 18 0.009
Bare rock/turf algae/coralline paint
Source SS df MS F p
Open Vs Closed
Reefs (Open Vs Closed)
Error
0.000
0.614
0.064
1 0.000 0.001 0.9768 4 0.153
43.210 < 0.000 18 0.004
Echinometra mathaei
Source SS df MS F p
Open Vs Closed
Reefs (Open Vs Closed)
Error
6.484
187.184
22.152
1 6.484 4
46.796 18
1.231
0.139 0.729
38.025 < 0.000
Ctenochaetus striatus
Source SS df MS F p
Open Vs Closed 129.656 1 129.656 14.319 0.019
Reefs (Open Vs Closed) 36.219 4 9.055 9.033 < 0.000
Error 24.058 24 1.002
28
Acanthurus lineatus
Source SS df MS F p
Open Vs Closed 10.990 1 10.990 6.415 0.064
Reefs (Open Vs Closed) 6.853 4 1.713 3.560 0.020
Error 11.551 24 0.481
You will need to include your ANOVA results in your report either as Tables to which you refer in
the text e.g. “Mean abundances of Ctenochaetus striatus were approximately two to eight times
greater at closed reefs compared with open reefs in Kimbe Bay (Figure X) and this difference was
significant (Table X)”. If you do this don’t forget to create table headings to go under or above each
table, for example, “Table X. Two-level nested ANOVA for variation in abundance of Ctenochaetus
striatus according to reefs and open vs closed status”. Alternatively you can simply provide the
ANOVA results as follows (ANOVA: MS = 129.6, d.f. = 1, p = 0.019) when referring to differences
in Ctenochaetus abundance according to reserve status.
5.5.3 Writing your assignment
The report should be written as a short paper of 2,500 words, formatted for the journal
“Ecological Applications”. Get a copy of a recent paper from this journal and follow the format
as closely as possible. It should include a title, author, address, abstract, key words, introduction,
methods, results, discussion and literature cited. Each figure and table should be numbered and
have a clear legend that fully describes all axes and symbols. Do not use colour for a scientific
paper. Cite each figure and table in the text where it is first necessary.
TITLE: This should indicate the full scope of your study, while also being as succinct as possible.
ABSTRACT: In a single paragraph, briefly describe your aim, summarise all your main results and
highlight the significance of your findings. The major part of this paragraph should be your most
important results.
KEY WORDS: List 7-8 words that might be useful to index your work. You want to pick words that
would lead people to your paper in a literature search.
INTRODUCTION: This should not be more than 600 words and should not have subheadings. It
should start with general concepts, which highlight the need for your study. Refer to key papers to
make your case. Towards the end of the introduction you should address an overall aim, which
outlines the hypothesis or hypotheses being tested. For example, “The aim of this study was to
examine the hypothesis that the distribution and abundance of coral-dwelling gobies is determined
by the availability of preferred coral species”. This could be followed by a specific set of related
questions. At this stage you can introduce your study system and why it was selected to examine
these questions. All basic issues examined in the paper should be addressed in the introduction.
METHODS: State where and when the study was carried out, describe your sampling design(s)
and any analytical methods used. Use sub-headings where necessary. Include all methods that
are necessary to interpret the results in a logical sequence. Do not include methods that did not
work or no data is presented for. Do not include any results in this section.
29
RESULTS: Present your results in a logical sequence, again using sub-headings where
necessary. In each paragraph, describe the main result first, citing the appropriate figure or table.
E.g. “The abundance of Gobiodon micropus was strongly correlated with the abundance of
Acropora loripes (Fig. 1)”. It is not necessary to introduce figures. That is, statements like “The
relationship between Gobiodon micropus and Acropora loripes is shown in figure 1” are
unnecessary. Follow main points by bringing out results of lesser importance or giving more detail.
All figures and tables that are presented should be described in the text. Do not interpret or
discuss results in the results section or state why you did not get what you expected.
DISCUSSION: The discussion should begin by addressing your most important result and should
follow directly from your aim. For example, “This study confirmed that the distribution and
abundance of coral-dwelling gobies at Orpheus Island is largely determined by the abundance of
preferred corals” or “This study challenges the widely held generalisation that the distribution and
abundance of reef fishes is determined by habitat availability”. After this you could progress
towards findings of lesser importance. In each case, compare and contrast your findings to any
relevant published papers, without repeating your introduction. If your results conflict with the
literature, put forward alternative explanations for your results. Discuss how your study could be
extended to help resolve issues that arise from your preliminary findings. You should have a
concluding paragraph that highlights the significance of your contribution. You should not cite
figures and tables again in your discussion.
LITERATURE CITED: Follow the format of the journal. You should cite papers more broadly than
your particular study group. All papers in this list should be cited in the text and all papers cited in
the text should appear in this list.
5.5.4 Marking criteria
Our marking sheet will be as follows:
Marking category
Maximum
mark
Your
mark Comments
Title and key words 1.0
Descriptive title (not taken directly from the
report instructions provided on LearnJCU)
and at least 7 keywords.
Abstract 2.5
Brief summary of report (including aims of
study), including key results and their
significance
Introduction 3.5
Introduce topic starting with general
concepts; end with a statement of specific
aims/questions to be addressed
Methods 2.5
Describe study site. sampling design,
methods for both field and lab data collection
as well as analyses
Results 4.5
Good presentation of figures and ANOVA
tables (i.e. axis labels, legends, error bars,
captions/headings). Describe patterns from
figures and ANOVA results.
30
Discussion 4.5
Discussion of results for all organisms
included. Compare and contrast findings with
other studies and offer explanations for why
results may differ from other studies. Cite
references to back up arguments put forth to
explain results (i.e. no blatant speculation!).
References 1.5
Include at least 15 references. Format of
intext citations and reference list should be
consistent throughout and must follow the
format of the journal Ecological Applications.
Total 20.0
5.4.6 References
You will find the following references useful in writing your introduction and discussion.
Agardy T et al. (2003) Dangerous targets? Unresolved issues and ideological clashes around marine
protected areas. Aquatic Conservation Marine and Freshwater Ecosystems 13: 353-367
Boersma PD, Parrish JK (1999) Limiting abuse: marine protected areas, a limited solution. Ecological
Economics 31:287-304
Cicin-Sain B, Belfiore S (2005) Linking marine protected areas to integrated coastal and ocean
management: A review of theory and practice. Ocean and Coastal Management 48: 847-868
Fernandes L et al. (2005) Establishing representative no-take areas in the Great Barrier Reef: Large-scale
implementation of theory on marine protected areas. Conservation Biology 19:1733-1744
Fox NJ, Beckley LE (2003) Priority areas for conservation of Western Australian coastal fishes: A
comparison of hotspot, biogeographical and complementarity approaches. Biological Conservation
125:399-410
Gell FR, Roberts CM (2003) Benefits beyond boundaries: the fishery effects of marine reserves. Trends in
Ecology and Evolution 18:448-455
Graham NAJ, Evans RD, Russ GR (2003) The effects of marine reserve protection on the trophic
relationships of reef fishes on the Great Barrier Reef. Environmental Conservation 30:200-208
Hastings A, Botsford LW (2003) Comparing designs of marine reserves for fisheries and for biodiversity.
Ecological Applications 13:S65-S70
Hawkins JP, Roberts CM, Dytham C, Schelten C, Nugues MM (2006) Effects of habitat characteristics and
sedimentation on performance of marine reserves in St. Lucia. Biological Conservation 127: 487-499
Jones GP, Cole R, Battershill CN (1993) Marine Reserves: Do they work? In: The Ecology of Temperate
Reefs: Proceedings of the 2nd International Temperate Reef Symposium, Auckland, pp. 29-45, NIWA
Publications, Wellington
Lubchenco J, Palumbi SR, Gaines SD, Andelman S (2003) Plugging a hole in the ocean: The emerging
science of marine reserves. Ecological Applications 13: S3-S7
McClanahan TR, Marnane MJ, Cinner JE, et al. (2006) A comparison of marine protected areas and
alternative approaches to coral-reef management. Current Biology 16:1408-1413
Russ GR (2003) Yet another review of marine reserves as reef fishery management tools. Pp. 421-443. In:
Sale PF (ed), Coral reef fishes: dynamics and diversity in a complex system? Academic Press, NY
Sale PF et al. (2005) Critical science gaps impede use of no-take fishery reserves. Trends in Ecology and
Evolution, 20:74-80
THERE IS A LINK TO THESE REFERENCES ON LEARNJCU
(in the folder ‘Assessment’ – ‘Assignment 1’)
31
5.6 TUTORIAL 6 (VIDEO PRESENTATION) – WHAT’S NEW IN MARINE CONSERVATION?
STORIES FROM HOME
The aim of this tutorial is for each student to research a current paper of their choice in marine
conservation. Pick a scientific paper (published between 2009 and 2019) based on a study from
your home Country, State or Town dealing with an interesting marine conservation issue. If you
have trouble finding a paper try searching on “Web of Science” and use keywords such as the
location and an issue you find interesting (e.g. overfishing). If you are from a land-locked country
or state, just choose a location that interests you!
Read and assess the paper, then make a 5-minute video recording of yourself giving a verbal
evaluation of the paper. Start your presentation by saying your name and where you are from. No
written assessment is required. The video can be made using your computer, hand-held video
camera or smartphone.
There is an MB3200 group on Facebook where you can post your video. You will receive an
invitation to join the group via email. Our Facebook group is a closed group, i.e. only members of
the group can see what has been posted to the group. When you post your video, be sure
to include the full reference for the paper.
32
5.7 TUTORIAL (COMPUTER WORKSHOP) – SELECTING SITES FOR MARINE RESERVES
USING WORLDMAP
5.7.1 Aims
1. Introduce WORLDMAP software for analysing patterns of species richness/ rarity
2. Examine the difference in efficacy of several reserve selection methods
3. Data management in WOLRDMAP and the concept of congruency
Imagine you have been asked to provide scientifically sound recommendations to prioritise 7 sites
for marine reserves in a bay in Papua New Guinea. The conservation goal is to protect the overall
biological diversity, in other words, include as many species as possible in the reserve network.
You have 35 reefs to choose from, with about 200 species of fish and 100 species of coral at each
site. The total number of species known is 888. How do you select the sites that will include the
most species?
Map of site locations in Kimbe Bay.
33
Site locations as they appear in WORLDMAP
We will run through some of the functions of the programme using a sample database of fish and
coral species at 35 sites at Kimbe Bay. We will use the example from the lecture to learn some of
the applications, and then you will analyse a new idea in part 2. You can also have a look at the
Worldmap – Demo programme, which is downloadable from the Natural History Museum website,
which is on your computer. It illustrates the world distribution of bumble bees of the Sibiricus group.
The basic data requirements of WORLDMAP are:
1. A map of a defined area (eg. Kimbe Bay in PNG)
2. A grid, that divides the region up into explicit units
3. A list of features (eg. Species or habitats) for each grid cell in the area.
Lets start!
34
5.7.2 Open World Map and view data
Click the windows icon at the bottom left of the screen, then click on the down arrow at the lower left
of the screen. This gives you a list of all the programs in alphabetical order and you will find World
Map under W. Click on World Map – Big Grid to open the program.
When World Map opens, you will get an Open datafile window with 1 file in it. Click on this file
(kb_all.dat) and click Open.
You will see a 10 X 20 grid, the top two on the left hand side (with coloured squares in them) contain
the data for sites in Kimbe Bay. You need to enlarge these two squares. To do this, click
MapGraphics -> ToggleZoom. The cursor changes into an arrow, which you can point and drag
around the area you want to display.
Look at the grid cells and the colours. This is a map showing total species richness (both fishes and
corals) in each grid cell. The scale bar showing the colour scheme is hidden on the right, but you
can view it by switching the toggle zoom off and on again.
Question 1: Patterns of species richness
Note where the hot and cold spots are. Note down which sites are the top 5 for species richness
of all species, their species number and percentage of total
richness.
Place the cursor on the grid cell you are interested in, and double click. A window will pop up,
displaying the site name, the percentage of total richness, a list of the species present at that site
and the number of species.
Question 2: Rare-threshold richness
Display richness of rare species below a certain threshold, i.e. species found only at a certain
number of sites. First, set the threshold value: click: AnalyticalTools -> Tool Options, then under
Hotspot Area Set, select richness for range sizes at or below 2 (see picture below), then press
OK (NB: 2 is the default – this displays the richness of species that are only present at one or two
sites).
35
To display rare-threshold richness, click AnalyticalTools –> Rarity -> Rare-threshold Richness.
Note the top 5 sites for rare species richness (species below threshold 2), the number of rare
species (number in each grid cell) and percentage of total
richness at each site.
To go back to the original map (showing total species richness), click: AnalyticalTools ->
Diversity -> Richness
To view rare-threshold richness again, click: AnalyticalTools -> Rarity -> Rare-threshold
richness.
5.7.3 Display individual species
Worldmap allows you to display each species separately, which is useful if you are interested in
finding out which sites a particular species is found at.
Question 3: display individual species
Display Rare-threshold richness (Analytical tools -> Rarity -> Rare-threshold richness).
Part 1: Istigobius decoratus
– Double click on Numundo Island (orange grid cell at the lower left hand side of the map,
with 25 rare species).
– Tick Range-sizes to display the number of occurrences for each species. Find the goby
species, Istigobius decoratus (displayed as decoratus Istigobius in the window, 4th
species on the list) and double click on its name (don’t click on it once and then double click
as it won’t work) to display the sites where it occurs. The sites that this species is found at
will be displayed (green circles). Look at the map on the previous page to work out the type
of habitat this species prefers (i.e. sheltered reefs/exposed reefs/anywhere).
– Double-click on each green circle to get the name of each site, and the total species
richness at each site.
Part 2: Lutjanus kasmira
– Repeat this procedure for a 2nd species (display the Rare-threshold richness first). Double
click on Wulai Reef (top of the furthest two right cells), then double click on kasmira
Lutjanus.
5.7.4 Data preselection
You can preselect data groups (e.g. different taxa or groups of species) from the database and
perform all operations on the selection. In this section we would like you to display total species
richness and rare-threshold richness (as in questions 1 and 2) separately for corals and fish.
Question 4: Species richness of corals
Click: DataBase -> Data preselection. This gives you a window with all the species in the database
listed. Each species has a code number (1 for Fish and 2 for Corals). To select corals, scroll down
the list of species and click on the first species with a “2”. The program automatically selects all
species with the group code 2. click OK. The map now shows coral species richness. Note the top
5 sites for total species richness of corals, their species number and percentage of total richness.
36
Question 5: Rare-threshold richness of corals
Display rare-threshold richness for corals (AnalyticalTools -> Rarity -> Rare-threshold richness).
Note the top 4 sites for rare species richness (threshold richness = 2), the number of rare species
(number in each grid cell) and percentage of total richness at each site.
Question 6: Species richness of fishes
Now preselect fish (DataBase -> Data preselection, click on a species with a “1”, then OK). Display
richness and note the top 5 sites for total species richness of fish, their species number and
percentage of total richness.
Question 7: Rare-threshold richness of fishes
Display rare-threshold richness for fish. Note the top 4 sites for rare species richness (threshold
richness = 2), the number of rare species (number in each grid cell) and percentage of total richness
at each site.
5.7.5 Site selection
Now we’d like you to select 7 marine reserve sites using three site selection methods (random,
hotspot and complementarity). Compare the 3 methods and work out which one gives you the
highest % of species. Before starting this section, make sure you de-select corals (Database ->
Data Preselection -> Restore Data -> OK), and display richness for all species (Analytical Tools
-> Diversity -> Richness).
Question 8: Marine reserve site selection Part
1: Random site selection
– To select the 7 sites randomly, click AnalyticalTools -> area selection -> random set
selection, type 7 into the box and click ‘Continue’, then click ‘Yes’ in the next window (titled
‘Select area sets at random’).
– To view the results, click MapGraphics -> Monitor RESULTS File.
– Note the cumulative % of species (“cum. %“ – this is the % of species included as each site
is added)
– Before you go on to the next site selection method, make sure you clear the list of sites
you’ve just selected (otherwise these sites will be left out of subsequent analyses). To do
this, double right click anywhere on the map. The ‘select grid cells’ window appears, click
Clear list, then Yes.
Part 2: Hotspot selection
– Click AnalyticalTools -> Area selection -> Hotspots (make sure the Tool Options are set
to “Richness” under Hotspots), then type in the number of sites you want and click
‘Continue’.
– Go to Map Graphics -> Monitor RESULTS to view the list of sites and cumulative % of
species.
– Don’t forget to clear the list of sites selected (see Part 1)
Part 3: Complementarity
37
– click: AnalyticalTools -> Area selection -> Greedy set. This gives each site a number,
according to the order in which they have been selected (i.e. 1 to 35).
– Go to Map Graphics -> Monitor RESULTS file to view the list of sites and cumulative % of
species. You will need to maximise the window to see the top few sites.
– Clear the list of sites.
5.7.6 Cross-taxa congruency
Worldmap allows you to overlay two layers to display the level of congruency of different taxa or
species groups, e.g. do sites with high coral diversity also have high fish diversity? High congruency
means that the best design for one taxa (e.g. corals) is also a good design for another (e.g. fishes).
You do this by displaying richness (or rare-threshold richness) for taxa on different maps and then
overlaying these to display the degree of overlap.
Question 9
– Preselect corals and display richness (as in section 5.6.4).
– Click MapGraphics -> Swap Scores. An empty map appears (the map for corals is in the
background).
– Now preselect fish and display richness.
– Click MapGraphics -> Overlay Scores. Choose the default settings. A window will appear
with the Spearman Rank correlation parameters (Question 7.), and a map. A significant
result means that site rankings for fish are correlated with site rankings for corals (i.e. sites
with high fish diversity also have high coral diversity).
– Check out Restorff Island (the lower white square) for details by double-clicking it.
38
5.8 TUTORIAL 8 (DISCUSSION TUTORIAL) – MARINE RESERVES HAVE RAPID AND LONG-
LASTING EFFECTS (PAPER CRITIQUE)
Critical reading of papers is an important part of the scientific process. It improves our own ability
to carry out biological research and prepare this work for publication. The formal peer review
process maintains and improves the standard of the scientific discipline. The recent paper we will
review is:
Halpern BS and Warner RR (2002) Marine reserves have rapid and lasting effects. Ecology
Letters 5:361-366
Assume that the editor of the journal has sent you a copy of this paper to review and must decide
whether or not to accept it for publication. Whatever you decide, you must provide a justification.
The box below outlines a useful process for evaluating papers.
The following are some pointers when evaluating a paper:
Does the paper have a clear aim or set of questions? I.e. does it pose an hypothesis?
Does the paper make a case (based on the literature) for the importance of the work? i.e. is
the question of general interest?
Are the methods and experiments employed appropriate and sufficient to answer the question,
and are they all necessary for answering the question?
Are they described to a level that you could go out and repeat the observations or
experiments?
Are the results presented (graphs, tables) and described (text) in the best way for illustrating
the answer to the question?
Are the presentations sufficient? Are they all necessary?
Is the paper over or under-analysed?
Are the statistics appropriate to the sampling/experimental design? Are assumptions
addressed?
Are the results interpreted correctly in relation to the hypotheses / questions?
Do the conclusions represent speculation beyond what the results actually show?
Is the context of the result adequately discussed? I.e. what bearing do these results have on
published information?
Are the short-comings of the study acknowledged?
Is there a message or direction for the future? I.e. is it a “significant” contribution to science?
Is this abstract or summary a fair, unspeculative summary of the results and interpretations?
You will be given a copy of the reviewer form (on the next page) to complete during the tutorial.
Reviewer Form
Manuscript Title and Author: Halpern BS and Warner RR (2002) Marine reserves have rapid
and lasting effects. Ecology Letters 5:361-366
39
Reviewer’s (your) name:
Rating of manuscript
LOW HIGH
1 2 3 4 Importance of this work to readers
1 2 3 4 Originality of the research or ideas
1 2 3 4 Quality of data: does it support conclusions?
1 2 3 4 Clarity of presentation
1 2 3 4 Appropriateness for this journal
Recommendation to the editor
_______ Accept
_______ Accept with revision
_______ Reject (publishable, but not in this journal)
_______ Reject (not worthy of publication)
Comments for author Fundamental
reason why this paper was accepted:
Fundamental reason why this paper was rejected:
40
5.9 TUTORIAL 9 (COMPUTER WORKSHOP) – CLASSIFYING THREATENED MARINE
SPECIES USING RAMAS REDLIST
5.9.1 An Overview of RAMAS Red List
RAMAS Red List is software from Applied Biomathematics that implements IUCN threatened
species criteria (IUCN 2001), which are rules for assigning species into categories representing
different level of threat. The IUCN rules are based on information about such characteristics as
number and distribution of individuals, fluctuations and decline in abundance and distribution, and
risk of extinction. These characteristics are used as input data; the output is a classification into
one of the categories, such as Critically Endangered, Endangered, Vulnerable, or Least Concern.
RAMAS Red List implements these rules as used by the IUCN, but also allows explicitly
incorporating uncertainties in the input data. In other words, input data such as the number of
mature individuals can be specified either as a number, or as a range of numbers, or a range of
numbers plus a best estimate. RAMAS Red List propagates these uncertainties (see Uncertainty
propagation). Depending on the uncertainties, the resulting classification is often a single category,
accompanied by a range of plausible categories.
RAMAS Red List is now recommended software for assessors evaluating species for the IUCN
Red List Programme (through appointed Red List authorities).
5.9.2 IUCN Red List Categories
The threatened species categories developed by the IUCN are used in Red Data Books and Red
Lists. These categories are widely recognized internationally, and they are now used in a whole
range of publications and listings, produced by IUCN as well as by numerous governmental and
non-governmental organizations. The Red Data Book categories provide an easily and widely
understood method for highlighting those species under higher extinction risk, so as to focus
attention on conservation measures designed to protect them.
The categories are:
Extinct
Extinct in the Wild
Critically
Endangered
Endangered
Vulnerable
Near Threatened
Least Concern
Data Deficient
In 2000, the IUCN Council approved revisions to the categories, their definitions, and criteria for
assigning taxa to categories.
41
Critically
endangered
A Population
reduction
80% reduction in
10 yrs or 3
generations
50% reduction in
10 yrs or 3
generations
20% reduction in
10 yrs or 3
generations
B Population size
alone
1000 mature
individuals
C. Population, with
decline or
fragmentation
250 mature
individuals and
25% decline over
3yrs
2,500 mature
individuals and
20% decline over
5yrs
10,000 mature
individuals and
10% decline over
10yrs
D. Extent of
occurence
100km2 range or
10km2 area of
occupancy
5,000km2 range or
500m2 area of
occupancy
20,000km2 or
2,000m2 area of
occupancy
E. Extinction
probability
50% within 10
years or 3
generations
20% within 20 yrs
or 5
generations
RAMAS Red List implements these criteria. Unlike the IUCN criteria, however, RAMAS Red List
allows explicitly incorporating uncertainties in the input data (see Overview and Uncertainty
propagation).
Endangered
Vulnerable
50 mature
individuals
250 mature
individuals
10 % within
100 years
42
5.9.3 How to operate the software
Step 1: Getting into the program
Click the windows icon at the bottom left of the screen, then click on the down arrow at the lower left
of the screen. This gives you a list of all the programs in alphabetical order and you will find RAMAS
RedList under R. Click on RedList 2.0 to open the program.
Step 2: Examine data for terrestrial species.
Click on the File menu, and select “Open”. Click on one of the files in the list to open it. This will
open the file in a Taxon window. At the top and bottom of this window are two series of tabs. The
bottom tabs are Data, Results, and Options. Check out the results for 2 or 3 different terrestrial
species first (I suggest Californian Condor and Coyote).
The input data are specified in the Data tab. If it is not selected, you can select this tab by clicking
on it, or
by pressing Alt-D. The tabs at the top of the window will be:
General
Contact Ecology Population Reduction Extent and Area Fragmentation Risk
These correspond to major groups of input data. Click on each tab, and inspect the input data. For
information about a parameter, press F1 while the cursor is in the edit box for that parameter.
To the right of each edit box is a button (a box with three dots in it). Clicking on this button opens
the value editor, which displays the input value numerically and graphically, and gives the units
and other attributes. See value editor (numbers) for entering or editing a number, or value editor
(logical values) for entering or editing a logical value.
Next, click on the Results tab in the bottom of the Taxon window (or, press Alt-R). The tabs at the
top of the window will be:
Status Contribution Text results
The Status result gives the classification of the taxon into one or more of the categories
Least concern Vulnerable Endangered
Critical (critically endangered).
If the input data are uncertain, the taxon may be classified into a range of categories. If the range
includes a Vulnerable, but the most plausible category is Least concern, the taxon is classified as
Near threatened. If the input data are not sufficient to make a classification, the taxon may be
identified to be “data deficient”.
The Contribution result gives the contribution of the 5 IUCN criteria (A to E) to the threatened
status of the taxon.
The top graph shows the classification when all available data are used. This is the same graph as
in the Status result. The second set of 5 graphs shows the classification when each of the 5
43
criteria is not used in the calculation. The third set of 5 graphs shows the classification when only
one of the 5 criteria is used.
The Text results allow you to follow the calculations of the program step-by-step. These
calculations follow the IUCN criteria, and they are carried out for each of the three categories,
Critical, Endangered and Vulnerable.
Step 3: Entering new data to RAMAS Red List
On a separate spreadsheet we have given you some data for 10 different marine species.
The aim of this exercise is to evaluate whether there is sufficient data to classify these
species using the IUCN categories, and if so, what are the recommended categories. Enter
the species name and all relevant information, and leave boxes blank or unchecked if the
information does not exist.
To start entering data for a new taxon, select New from the File menu (or, press Ctrl-N). At the top
and bottom of this window are two series of tabs. The bottom tabs are Data, Results, and Options.
The input data are specified in the Data tab. If it is not selected, select this tab by clicking on it, or
by pressing Alt-D. The tabs at the top of the window will be:
General Contact Ecology Population Reduction Extent and Area Fragmentation Risk
These correspond to major groups of input data. For each of these groups, you can enter Notes
(optional).
General: Make sure you enter the species and genus, as well as the generation time (life span) if
known.
Contact: Make sure you enter your name here.
Ecology: You can leave this section out for the purposes of the lab.
Population: Enter number of mature individuals (if known). Enter number of individuals 3
generations ago, or projected for 3 generations in future.
Reduction: Enter estimates for % population decline over last 3 generations or projected decline
for next 3 generations.
Extent and area: Enter geographic range (extent of occurrence) and area of occupancy (area
occupied within geographic range).
Fragmentation: Enter number of subpopulations.
Risk: Don’t worry about this one….
When there is a range of values for a particular parameter, you can enter the range, e.g. if
population size is 100-1000, you would enter [100, 1000]. You can also enter a best estimate and
a plausible range, e.g. [70, 90, 120].
44
To save the data you have entered, first make sure that the window that has the data you
want to save is the active window, and then select “Save As” under the File menu. You
should only save your data onto your own USB drive. Enter a filename as the genus and
species. The file type (extension) should be “.red”. The file will include the all the data,
comments, notes, references, etc. that you have entered in the Data windows.
Step 4: Viewing your results
The results of the calculations are summarized in the following 5 windows, which can be accessed
by clicking on the Result tab at the bottom of the Taxon window.
Status is the summary of results; it gives the classification of the taxon into a threat category, and
(depending on uncertainties) a range of plausible categories. In most cases, the listing criteria are
also given. If there are warnings, they will be listed at the end.
Contribution gives the contribution of the 5 IUCN criteria (A to E) to the threat status of the taxon.
Step 5: Comparing all marine species
At the end of the lab we will ask you to fill out a form with the recommended status for all 10
species. Overall, which species were critically endangered, endangered and vulnerable? How
many species were data deficient? Was there a difference among mammals, birds and fishes in
the criteria used to classify species? Do you think this program is generally useful for marine
species?
RAMAS RedList answer sheet
45
NAME: TUTORIAL GROUP:
(1) Which category (or categories) was each of the species in:
critically
endangered endangered vulnerable
least
concern
data
deficient
Criterion
used
Blue whale
Gray whale
Bowhead whale
Dugong
Christmas Island
frigatebird
Cocos angelfish
Christmas Island
damselfish
Lord Howe
anemonefish
Spotted handfish
Banggai
Cardinalfish
Whale shark
(2) Was there a difference among mammals, birds and fishes in the criteria used to classify
species?
(3) Do you think this program is going to be generally useful for marine species?
46
6 EXAMINATION INFORMATION AND STUDY QUESTIONS
6.1 STRUCTURE OF EXAM
[40% of final mark]
Examination structure: 2 sections
SECTION A – short answers [60% of exam mark] {allow ~80min}
* define 12 concepts in conservation biology (3-4 sentences) and then discuss their relevance to
marine conservation, using specific examples to illustrate your points (3-4 sentences).
* 12 topics mainly chosen from 30 study topics {see section 6.3}
* no choice
* each topic worth 5 marks – allow approx 6-7 minutes per question
Make sure that you state what the concept means AND its’ relevance to marine systems.
SECTION B – compulsory essay question [40% of exam mark] {allow ~40min}. You have no
choice! You must answer this question!
6.2 RECOMMENDATIONS FOR ANSWERING EXAMINATION QUESTIONS
(1) In section A, make sure you discuss the concepts AND their relevance to marine systems.
(2) Make sure you attempt all questions. If you don’t know the answer, guess!
(3) Make sure your essay (section B) has an introduction and conclusions.
(4) Write neatly!
6.3 SHORT ANSWER QUESTIONS
Give the meaning of each of the following concepts in ecology or conservation biology (2-3
sentences) and indicate their relevance to the conservation of marine species or communities (1-2
sentences). Give examples where appropriate. The examination will consist mainly of topics
chosen from the list below.
(1) “50-500” rule
(2) “SLOSS” debate
(3) Biological corridors
(4) Population viability analysis
47
(5) Critically endangered species
(6) Phylogenetic diversity
(7) Triple jeopardy
(8) Congruency
(9) Bioaccumulation
(10) “BACI” sampling design
(11) Representative area
(12) Recruitment overfishing
(13) Eutrophication
(14) Dispersal kernel
(15) Ecological extinction
(16) Umbrella species
(17) Indicator species
(18) Sentinel species
(19) Metapopulation
(20) Stock-recruitment relationship
(21) Trophic cascade
(22) Complementarity
(23) Diversity “hotspot”
(24) Endemicity “hotspot”
(25) Dead zone
(26) Habitat restoration
(27) Greenhouse effect
(28) Flagship species
(29) Ocean acidification
(30) Rarity
NB: There could be one or two wild card topics…..
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