The formation of avian montane diversity across barriers and along elevational gradients
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The formation of avian montane diversity across barriers and along elevational gradients. / Pujolar, José Martín; Blom, Mozes P. K.; Hart Reeve, Andrew; Kennedy, Jonathan D.; Marki, Petter Zahl; Korneliussen, Thorfinn S.; Freeman, Benjamin G.; Sam, Katerina; Linck, Ethan; Haryoko, Tri; Iova, Bulisa; Koane, Bonny; Maiah, Gibson; Paul, Luda; Irestedt, Martin; Jønsson, Knud Andreas.
In: Nature Communications, Vol. 13, 268, 2022.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - The formation of avian montane diversity across barriers and along elevational gradients
AU - Pujolar, José Martín
AU - Blom, Mozes P. K.
AU - Hart Reeve, Andrew
AU - Kennedy, Jonathan D.
AU - Marki, Petter Zahl
AU - Korneliussen, Thorfinn S.
AU - Freeman, Benjamin G.
AU - Sam, Katerina
AU - Linck, Ethan
AU - Haryoko, Tri
AU - Iova, Bulisa
AU - Koane, Bonny
AU - Maiah, Gibson
AU - Paul, Luda
AU - Irestedt, Martin
AU - Jønsson, Knud Andreas
N1 - Publisher Copyright: © 2022, The Author(s).
PY - 2022
Y1 - 2022
N2 - 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.
AB - 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.
U2 - 10.1038/s41467-021-27858-5
DO - 10.1038/s41467-021-27858-5
M3 - Journal article
C2 - 35022441
AN - SCOPUS:85122857808
VL - 13
JO - Nature Communications
JF - Nature Communications
SN - 2041-1723
M1 - 268
ER -
ID: 290665100