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Ecotoxicological Methodologies to Evaluate Biomarkers at Different Scales in Neotropical Anurans

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Phylogenetically-informed priorities for amphibian conservation.

Nick J B Isaac¹, David W Redding, Helen M Meredith

¹Natural Environment Research Council Centre for Ecology and Hydrology, Maclean Building, Wallingford, Oxfordshire, United Kingdom.

|September 7, 2012

Summary

This summary is machine-generated.

Urgent amphibian conservation is needed. This study identifies priority species using evolutionary distinctiveness and threat status, creating a robust list to guide conservation efforts for endangered amphibians.

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Area of Science:

* Conservation Biology
* Evolutionary Biology
* Herpetology

Background:

* The amphibian extinction crisis necessitates targeted conservation strategies.
* Prioritizing species based on threat status and phylogenetic diversity aids conservation planning.
* Evolutionarily Distinct and Globally Endangered (EDGE) lists are crucial for directing conservation actions.

Purpose of the Study:

* To construct a comprehensive amphibian phylogeny for conservation prioritization.
* To generate a list of evolutionarily distinct and globally endangered amphibian species (EDGE list).
* To assess the robustness of the conservation priority list against phylogenetic and threat status uncertainties.

Main Methods:

* Construction of a near-complete, species-level phylogeny for 5713 amphibian species.
* Integration of species threat status with phylogenetic diversity to identify priority species.
* Sensitivity analyses to evaluate the impact of phylogenetic and threat uncertainties on the priority list.

Main Results:

* A robust 'top 100' list of priority amphibian species was generated.
* Uncertainty in species' phylogenetic position and threat status had minimal impact on the priority list.
* Data Deficient species represent a significant, under-recognized conservation priority due to their evolutionary history.

Conclusions:

* The developed EDGE list provides a reliable framework for amphibian conservation.
* The methodology effectively identifies high-priority species, even with data limitations.
* Conservation strategies must consider the evolutionary significance of Data Deficient species to prevent irreversible biodiversity loss.