ArticleNature communications2022
The formation of avian montane diversity across barriers and along elevational gradients.
Article in Nature communications, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 46 citations in OpenAlex.
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- The role of biogeographical barriers on the historical dynamics of passerine birds with a circum-Amazonian distribution.Ecology and evolution · 2024Article
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- Article
- The formation of the Indo-Pacific montane avifauna.Nature communications · 2023Article
- Genomic signatures of convergent shifts to plunge-diving behavior in birds.Communications biology · 2023Article
- Repeated divergence of amphibians and reptiles across an elevational gradient in northern Madagascar.Ecology and evolution · 2023Article
- Population genomics of the island thrush elucidates one of earth's great archipelagic radiations.Evolution letters · 2023Article
- Mitochondrial genome analysis, phylogeny and divergence time evaluation ofBiodiversity data journal · 2023Article
- Variation in insulative feather structure in songbirds replacing each other along a tropical elevation gradient.Ecology and evolution · 2022Article
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Authors and funding
16 authors at 9 institutions in 8 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Tropical mountains harbor exceptional concentrations of Earth's biodiversity. In topographically complex landscapes, montane species typically inhabit multiple mountainous regions, but are absent in intervening lowland environments. Here we report a comparative analysis of genome-wide DNA polymorphism data for population pairs from eighteen Indo-Pacific bird species from the Moluccan islands of Buru and Seram and from across the island of New Guinea. We test how barrier strength and relative elevational distribution predict population differentiation, rates of historical gene flow, and changes in effective population sizes through time. We find population differentiation to be consistently and positively correlated with barrier strength and a species' altitudinal floor. Additionally, we find that Pleistocene climate oscillations have had a dramatic influence on the demographics of all species but were most pronounced in regions of smaller geographic area. Surprisingly, even the most divergent taxon pairs at the highest elevations experience gene flow across barriers, implying that dispersal between montane regions is important for the formation of montane assemblages.
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