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Molecular biogeography: towards an integrated framework for conserving pan-African biodiversity
Yoshan Moodley1, Michael W Bruford
1School of Biosciences, Cardiff University, Cardiff, United Kingdom. moodley@mpiib-berlin.mpg.de
Plos One
|May 24, 2007
Summary
Molecular data reveals 28 new biogeographic regions in sub-Saharan Africa, using the African bushbuck as a model. This approach enhances understanding of ecoregion history and connectivity for biodiversity conservation.
Area of Science:
- Ecology
- Genetics
- Biogeography
Background:
- Biogeographic models typically define ecoregions based on species assemblages.
- The historical dynamics and interrelationships of these ecoregions remain underexplored.
Purpose of the Study:
- To develop a molecular approach for assessing ecoregion history and status.
- To investigate the genetic diversity and structure of the African bushbuck (Tragelaphus scriptus).
- To understand how ecoregion biogeography influences molecular variation.
Main Methods:
- Utilized a taxon-based approach incorporating molecular data.
- Analyzed genetic variation within the African bushbuck across its continental range.
- Compared the explanatory power of ecoregion history, phenotypic similarity, and geography on molecular variation.
Main Results:
- Discovered significant genetic diversity and population structure within the African bushbuck.
- Demonstrated that ecoregion biogeographic history is a stronger predictor of molecular variation than geography or phenotype.
- Identified ecoregion connectivity, core habitats, and inferred ecological affinities.
Conclusions:
- Defined 28 key biogeographic regions for sub-Saharan Africa.
- Established a framework for integrating genetic and biogeographic data for conservation.
- Provided a model for continental biodiversity conservation strategies.
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