ArticleEcology and evolution2022
Effects of insularity on genetic diversity within and among natural populations.
Article in Ecology and evolution, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Genomes of Galápagos Mockingbirds Reveal the Impact of Island Size and Past Demography on Inbreeding and Genetic Load in Contemporary Populations.Molecular ecology · 2025Article
- Genetic patterns reveal geographic drivers of divergence in silvereyes (Zosterops lateralis).Scientific reports · 2024Article
- Population genetics and phylogeographic history of the insular lizardEcology and evolution · 2024Article
- Differences inFrontiers in plant science · 2024Article
- Functional genomic diversity is correlated with neutral genomic diversity in populations of an endangered rattlesnake.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Effects of insularity on genetic diversity within and among natural populations.Ecology and evolution · 2022Article
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Authors and funding
3 authors.
Funding
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Abstract
We conducted a quantitative literature review of genetic diversity (GD) within and among populations in relation to categorical population size and isolation (together referred to as "insularity"). Using populations from within the same studies, we were able to control for between-study variation in methodology, as well as demographic and life histories of focal species. Contrary to typical expectations, insularity had relatively minor effects on GD within and among populations, which points to the more important role of other factors in shaping evolutionary processes. Such effects of insularity were sometimes seen-particularly in study systems where GD was already high overall. That is, insularity influenced GD in a study system when GD was high even in non-insular populations of the same study system-suggesting an important role for the "scope" of influences on GD. These conclusions were more robust for within population GD versus among population GD, although several biases might underlie this difference. Overall, our findings indicate that population-level genetic assumptions need to be tested rather than assumed in nature, particularly for topics underlying current conservation management practices.
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