Document Detail

Invasive predators deplete genetic diversity of island lizards.
MedLine Citation:
PMID:  20706576     Owner:  NLM     Status:  MEDLINE    
Invasive species can dramatically impact natural populations, especially those living on islands. Though numerous examples illustrate the ecological impact of invasive predators, no study has examined the genetic consequences for native populations subject to invasion. Here we capitalize on a natural experiment in which a long-term study of the brown anole lizard (Anolis sagrei) was interrupted by rat invasion. An island population that was devastated by rats recovered numerically following rat extermination. However, population genetic analyses at six microsatellite loci suggested a possible loss of genetic diversity due to invasion when compared to an uninvaded island studied over the same time frame. Our results provide partial support for the hypothesis that invasive predators can impact the genetic diversity of resident island populations.
Amandine Gasc; M C Duryea; Robert M Cox; Andrew Kern; Ryan Calsbeek
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.     Date:  2010-08-10
Journal Detail:
Title:  PloS one     Volume:  5     ISSN:  1932-6203     ISO Abbreviation:  PLoS ONE     Publication Date:  2010  
Date Detail:
Created Date:  2010-08-13     Completed Date:  2010-11-04     Revised Date:  2013-05-29    
Medline Journal Info:
Nlm Unique ID:  101285081     Medline TA:  PLoS One     Country:  United States    
Other Details:
Languages:  eng     Pagination:  e12061     Citation Subset:  IM    
Department of Biological Sciences, Dartmouth College, Hanover, New Hampshire, United States of America.
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MeSH Terms
Bayes Theorem
Conservation of Natural Resources
Genetic Variation*
Lizards / genetics*
Population Density
Predatory Behavior*
Time Factors

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