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Fine‐scale barriers...
Fine‐scale barriers to connectivity across a fragmented South‐East Asian landscape in six songbird species
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Cros, Emilie (author)
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Ng, Elize Y. X. (author)
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Oh, Rachel R. Y. (author)
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Tang, Qian (author)
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Benedick, Suzan (author)
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Edwards, David P. (author)
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Tomassi, Suzanne (author)
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- Irestedt, Martin (author)
- Naturhistoriska riksmuseet,Enheten för bioinformatik och genetik
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- Ericson, Per G. P. (author)
- Naturhistoriska riksmuseet,Enheten för bioinformatik och genetik
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Rheindt, Frank E. (author)
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(creator_code:org_t)
- 2020
- 2020
- English.
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In: Evolutionary Applications. - 1752-4571. ; 13:5, s. 1026-1036
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https://nrm.diva-por... (primary) (Raw object)
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Abstract
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- Habitat fragmentation is a major extinction driver. Despite dramatically increas-ing fragmentation across the globe, its specific impacts on population connectivityacross species with differing life histories remain difficult to characterize, let alonequantify. Here, we investigate patterns of population connectivity in six songbirdspecies from Singapore, a highly fragmented tropical rainforest island. Using massivepanels of genome-wide single nucleotide polymorphisms across dozens of samplesper species, we examined population genetic diversity, inbreeding, gene flow andconnectivity among species along a spectrum of ecological specificities. We found ahigher resilience to habitat fragmentation in edge-tolerant and forest-canopy speciesas compared to forest-dependent understorey insectivores. The latter exhibited lev-els of genetic diversity up to three times lower in Singapore than in populations fromcontiguous forest elsewhere. Using dense genomic and geographic sampling, weidentified individual barriers such as reservoirs that effectively minimize gene flowin sensitive understorey birds, revealing that terrestrial forest species may exhibitlevels of sensitivity to fragmentation far greater than previously expected. This studyprovides a blueprint for conservation genomics at small scales with a view to iden-tifying preferred locations for habitat corridors, flagging candidate populations forrestocking with translocated individuals and improving the design of future reserves.
Keyword
- Ecosystems and species history
- Ekosystem och arthistoria
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Cros, Emilie
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Ng, Elize Y. X.
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Oh, Rachel R. Y.
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Tang, Qian
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Benedick, Suzan
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Edwards, David P ...
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show more...
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Tomassi, Suzanne
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Irestedt, Martin
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Ericson, Per G. ...
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Rheindt, Frank E ...
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show less...
- Articles in the publication
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Evolutionary App ...
- By the university
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Swedish Museum of Natural History