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  • Tags / Keywords threatened and endangered
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Climate change vulnerability assessment of species
Climate Change Resilience, BRB
Available Online

Akçakaya, H. Resit

,

Bickford, David

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Carr, Jamie A.

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Foden, Wendy B.

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Garcia, Raquel A.

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Hoffmann, Ary A.

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Hole, David G.

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Huntley, Brian

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Martin, Tara G.

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Pacifici, Michela

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Pearce‐Higgins, James W.

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Platts, Philip J.

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Stein, Bruce A.

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Thomas, Chris D.

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Visconti, Piero

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Watson, James E. M.

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Wheatley, Christopher J.

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Young, Bruce E.

2018
Assessing species' vulnerability to climate change is a prerequisite for developing effective strategies to conserve them. The last three decades have seen exponential growth in the number of studies evaluating how, how much, why, when, and where species will be impacted by climate change. We provide an overview of the rapidly developing field of climate change vulnerability assessment (CCVA) and describe key concepts, terms, steps and considerations. We stress the importance of identifying the full range of pressures, impacts and their associated mechanisms that species face and using this as a basis for selecting the appropriate assessment approaches for quantifying vulnerability. We outline four CCVA assessment approaches, namely trait?based, correlative, mechanistic and combined approaches and discuss their use. Since any assessment can deliver unreliable or even misleading results when incorrect data and parameters are applied, we discuss finding, selecting, and applying input data and provide examples of open?access resources. Because rare, small?range, and declining?range species are often of particular conservation concern while also posing significant challenges for CCVA, we describe alternative ways to assess them. We also describe how CCVAs can be used to inform IUCN Red List assessments of extinction risk. Finally, we suggest future directions in this field and propose areas where research efforts may be particularly valuable.
Status and Genetic Structure of Nesting Populations of Leatherback Turtles (Dermochelys coriacea) in the Western Pacific
Available Online

Ambio, Levi

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Bakaressy, Jacob

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Benson, Scott R.

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Dutton, Peter H.

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Hitipeuw, Creusa

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Petro, George

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Pita, John

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Rei, Vagi

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Zein, Mohammad

2007
A group of researchers, managers and tribal leaders with extensive local knowledge from Papua New Guinea, Solomon Islands, Vanuatu and Papua, Indonesia, provided new information on the status of leatherback nesting populations in the western Pacific Ocean. Twenty-eight nesting sites were identified, of which 21 were previously unknown or poorly described. Although data are still incomplete, we estimate a total of ca. 5000-9200 nests currently laid at 4 sites along the northwest coast (Bird's Head Peninsula) of Papua, Indonesia. Genetic analysis by using mitochondrial deoxyribonucleic acid sequences identified a total of 6 haplotypes among the 106 samples analysed for Solomon Islands, Papua and Papua New Guinea, including a unique common haplotype that is only found in these western Pacific populations. There was no significant difference in haplotype that is only found in these western Pacific populations. There was no significant difference in haplotype frequencies among these rookeries, which suggests that they represent a metapopulation composed of a single genetic rock. Further work is needed to define the demographic structure within this metapopulation.