Population connectivity across a highly fragmented distribution: Phylogeography of the Chalcophaps doves
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Population connectivity across a highly fragmented distribution : Phylogeography of the Chalcophaps doves. / DeRaad, Devon A.; Manthey, Joseph D.; Ostrow, Emily N.; DeCicco, Lucas H.; Andersen, Michael J.; Hosner, Peter A.; Shult, Hannah T.; Joseph, Leo; Dumbacher, John P.; Moyle, Robert G.
In: Molecular Phylogenetics and Evolution, Vol. 166, 107333, 2022.Research output: Contribution to journal › Journal article › peer-review
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TY - JOUR
T1 - Population connectivity across a highly fragmented distribution
T2 - Phylogeography of the Chalcophaps doves
AU - DeRaad, Devon A.
AU - Manthey, Joseph D.
AU - Ostrow, Emily N.
AU - DeCicco, Lucas H.
AU - Andersen, Michael J.
AU - Hosner, Peter A.
AU - Shult, Hannah T.
AU - Joseph, Leo
AU - Dumbacher, John P.
AU - Moyle, Robert G.
N1 - Publisher Copyright: © 2021 Elsevier Inc.
PY - 2022
Y1 - 2022
N2 - Chalcophaps is a morphologically conserved genus of ground-walking doves distributed from India to mainland China, south to Australia, and across the western Pacific to Vanuatu. Here, we reconstruct the evolutionary history of this genus using DNA sequence data from two nuclear genes and one mitochondrial gene, sampled from throughout the geographic range of Chalcophaps. We find support for three major evolutionary lineages in our phylogenetic reconstruction, each corresponding to the three currently recognized Chalcophaps species. Despite this general concordance, we identify discordant mitochondrial and nuclear ancestries in the subspecies C. longirostris timorensis, raising further questions about the evolutionary history of this Timor endemic population. Within each of the three species, we find evidence for isolation by distance or hierarchical population structure, indicating an important role for geography in the diversification of this genus. Despite being distributed broadly across a highly fragmented geographic region known as a hotspot for avian diversification, the Chalcophaps doves show modest levels of phenotypic and genetic diversity, a pattern potentially explained by strong population connectivity owing to high overwater dispersal capability.
AB - Chalcophaps is a morphologically conserved genus of ground-walking doves distributed from India to mainland China, south to Australia, and across the western Pacific to Vanuatu. Here, we reconstruct the evolutionary history of this genus using DNA sequence data from two nuclear genes and one mitochondrial gene, sampled from throughout the geographic range of Chalcophaps. We find support for three major evolutionary lineages in our phylogenetic reconstruction, each corresponding to the three currently recognized Chalcophaps species. Despite this general concordance, we identify discordant mitochondrial and nuclear ancestries in the subspecies C. longirostris timorensis, raising further questions about the evolutionary history of this Timor endemic population. Within each of the three species, we find evidence for isolation by distance or hierarchical population structure, indicating an important role for geography in the diversification of this genus. Despite being distributed broadly across a highly fragmented geographic region known as a hotspot for avian diversification, the Chalcophaps doves show modest levels of phenotypic and genetic diversity, a pattern potentially explained by strong population connectivity owing to high overwater dispersal capability.
KW - Chalcophaps
KW - Evolution
KW - Isolation by distance
KW - Mitonuclear discordance
KW - Phylogenetics
KW - Phylogeography
U2 - 10.1016/j.ympev.2021.107333
DO - 10.1016/j.ympev.2021.107333
M3 - Journal article
C2 - 34688879
AN - SCOPUS:85118334732
VL - 166
JO - Molecular Phylogenetics and Evolution
JF - Molecular Phylogenetics and Evolution
SN - 1055-7903
M1 - 107333
ER -
ID: 286627058