2018
DOI: 10.1080/01584197.2018.1498744
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Diversification of Petroica robins across the Australo-Pacific region: first insights into the phylogenetic affinities of New Guinea’s highland robin species

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Cited by 6 publications
(6 citation statements)
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“…Seven nuclear introns sampled from nine red-capped robins, seven SOL lineage (polymorpha n = 3, kulambangrae n = 4) and seven VFS lineage (Vanuatu ambrynensis n = 3; Fiji kleinschmidti n = 3, taveunensis n = 1) were used to test for taxon boundaries and introgression using STRUCTURE, IMa2 and species tree analyses. By using subspecies as the a priori taxonomic unit for species tree analyses in this study we are able to test the monophyly of each Pacific robin lineage, which is important given that mtDNA phylogenies failed to offer strong support for the reciprocal monophyly of all the populations currently circumscribed as P. pusilla (maximum likelihood trees place Norfolk and red-capped robins sister to the SOL lineage, while Bayesian trees only offered weak support for a sister relationship between the SOL and VFS lineages (posterior probability = 0.68); Kearns et al 2016Kearns et al , 2019a. This approach differs from species tree analyses performed for Kearns et al (2019b) across all of Petroica where SOL and VFS lineages were used as the a priori taxonomic units, which effectively enforced the monophyly of samples designated to each lineage (Kearns et al 2019b).…”
Section: Multilocus Tests Of Taxon Boundaries and Gene Flowmentioning
confidence: 99%
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“…Seven nuclear introns sampled from nine red-capped robins, seven SOL lineage (polymorpha n = 3, kulambangrae n = 4) and seven VFS lineage (Vanuatu ambrynensis n = 3; Fiji kleinschmidti n = 3, taveunensis n = 1) were used to test for taxon boundaries and introgression using STRUCTURE, IMa2 and species tree analyses. By using subspecies as the a priori taxonomic unit for species tree analyses in this study we are able to test the monophyly of each Pacific robin lineage, which is important given that mtDNA phylogenies failed to offer strong support for the reciprocal monophyly of all the populations currently circumscribed as P. pusilla (maximum likelihood trees place Norfolk and red-capped robins sister to the SOL lineage, while Bayesian trees only offered weak support for a sister relationship between the SOL and VFS lineages (posterior probability = 0.68); Kearns et al 2016Kearns et al , 2019a. This approach differs from species tree analyses performed for Kearns et al (2019b) across all of Petroica where SOL and VFS lineages were used as the a priori taxonomic units, which effectively enforced the monophyly of samples designated to each lineage (Kearns et al 2019b).…”
Section: Multilocus Tests Of Taxon Boundaries and Gene Flowmentioning
confidence: 99%
“…Overall, it appears most likely that the SOL and VFS lineages diverged following a single radiation across the Pacific. However, there is some uncertainty stemming from conflicting support for relationships within the entire Pacific robin radiation when Norfolk robins are included in mtDNA analyses (Kearns et al 2016(Kearns et al , 2019a. Denser taxonomic sampling of nuclear loci including the Norfolk robin and all subspecies within the SOL and VFS lineages will be required to ultimately test whether the VFS and SOL lineages differentiated following a single Pacific-wide radiation or originated from two separate dispersals from New Guinea or Australia.…”
Section: Colonization Historymentioning
confidence: 99%
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“…Most of these species pairs were forest specialists, with a small proportion of wetland and marine species (Marchant and Higgins, 1990). Examples include New Zealand's tui (Prosthemadera novaeseelandiae) and bellbird (Anthornis melanura), and Australia's white-fronted chat (Epithianura albifrons), with divergence times of approximately 15 Mya; and New Zealand and Australian Petroica robins-divergence time 3.5 to 5 Mya (Gibb et al, 2015;Kearns et al, 2018).…”
Section: Plio-pleistocene Climatic Changes and Their Impact On The Nementioning
confidence: 99%