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Positive correlation between genetic diversity and fitness in a large, well-connected metapopulation.

Authors
  • 1
Type
Published Article
Journal
BMC Biology
1741-7007
Publisher
Springer (Biomed Central Ltd.)
Publication Date
Volume
6
Pages
46–46
Identifiers
DOI: 10.1186/1741-7007-6-46
PMID: 18986515
Source
Medline

Abstract

Our results suggest that dispersal is a very important factor maintaining genetic diversity. Even at a very local spatial scale in a metapopulation consisting of large high-density populations interconnected by considerable dispersal rates, genetic diversity can be decreased and directly affect the fitness of individuals. From a biodiversity conservation perspective, this study clearly shows the benefits of both in-depth demographic and genetic analyses. Accordingly, to ensure the long-term survival of populations, conservation actions should not be blindly based on patch area and structural isolation. This result may be especially pertinent for species at their range margins, particularly in this era of rapid environmental change.

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