| Geographic variation in the age of temperate-zone reptile and amphibian species: Southern Hemisphere species are older. | |
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MedLine Citation:
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PMID: 20659925 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Despite controversy over alternative definitions, the species is the fundamental operational unit of biodiversity, and species are the building-blocks of conservation. But is a 'species' from one part of the world the same as a 'species' from elsewhere? Our meta-analysis of molecular phylogenetic data reveals that reptile and amphibian species distributed in temperate-zone areas of the Northern Hemisphere are younger than taxa from the Southern Hemisphere, probably reflecting the greater impact of past climatic variation on Northern Hemisphere habitats. Because a species' age may influence its vulnerability to anthropogenic threats, geographical variation in species ages should be incorporated into conservation planning. |
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Authors:
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Sylvain Dubey; Richard Shine |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2010-07-21 |
Journal Detail:
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Title: Biology letters Volume: 7 ISSN: 1744-957X ISO Abbreviation: Biol. Lett. Publication Date: 2011 Feb |
Date Detail:
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Created Date: 2011-01-13 Completed Date: 2011-05-10 Revised Date: 2012-02-23 |
Medline Journal Info:
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Nlm Unique ID: 101247722 Medline TA: Biol Lett Country: England |
Other Details:
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Languages: eng Pagination: 96-7 Citation Subset: IM |
Affiliation:
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School of Biological Sciences, University of Sydney, New South Wales 2006, Australia. sylvain.dubey@bio.usyd.edu.au |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Amphibians
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physiology* Animals Climate Demography Evolution, Molecular* Reptiles / physiology* |
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