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dc.contributor.author
Rawlence, Nicolas J.
dc.contributor.author
Salis, Alexander T.
dc.contributor.author
Spencer, Hamish G.
dc.contributor.author
Waters, Jonathan M.
dc.contributor.author
Scarsbrook, Lachie
dc.contributor.author
Mitchell, Kieren J.
dc.contributor.author
Phillips, Richard A.
dc.contributor.author
Calderón, Pablo Luciano Sebastian
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dc.contributor.author
Cook, Timothée R.
dc.contributor.author
Bost, Charles-André
dc.contributor.author
Dutoit, Ludovic
dc.contributor.author
King, Tania M.
dc.contributor.author
Masello, Juan Francisco
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dc.contributor.author
Nupen, Lisa J.
dc.contributor.author
Quillfeldt, Petra
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Ratcliffe, Norman
dc.contributor.author
Ryan, Peter G.
dc.contributor.author
Till, Charlotte E.
dc.contributor.author
Kennedy, Martyn
dc.date.available
2022-07-06T17:42:45Z
dc.date.issued
2022-03
dc.identifier.citation
Rawlence, Nicolas J.; Salis, Alexander T.; Spencer, Hamish G.; Waters, Jonathan M.; Scarsbrook, Lachie; et al.; Rapid radiation of Southern Ocean shags in response to receding sea ice; Wiley Blackwell Publishing, Inc; Journal of Biogeography; 49; 5; 3-2022; 942-953
dc.identifier.issn
0305-0270
dc.identifier.uri
http://hdl.handle.net/11336/161444
dc.description.abstract
Aim: Understanding how natural populations respond to climatic shifts is a fundamental goal of biological research in a fast-changing world. The Southern Ocean represents a fascinating system for assessing large-scale climate-driven biological change, as it contains extremely isolated island groups within a predominantly westerly, circumpolar wind and current system. Blue-eyed shags represent a paradoxical seabird radiation—a circumpolar distribution implies strong dispersal capacity yet their species-rich nature suggests local adaptation and isolation. Here we attempt to resolve this paradox in light of the history of repeated cycles of climate change in the Southern Ocean. Location: Southern Ocean. Taxa: 16 species and subspecies of blue-eyed shags (Phalacrocoracidae; Leucocarbo spp.). Methods: We use mitochondrial and nuclear sequence data from individuals across the geographical range of the genus to conduct the first comprehensive, time-calibrated phylogenetic analyses and ancestral-range biogeographical reconstructions of the blue-eyed shags. Results: The origins of many island-endemic lineages are remarkably recent, consistent with a recent high-latitude circumpolar radiation in the Pliocene or Early Pleistocene. This recent sub-Antarctic expansion contrasts with significantly deeper lineages detected in South America and, to a lesser extent, New Zealand. These regions, particularly South America, acted as glacial refugia and sources for multiple waves of post-glacial dispersal. Main conclusions: The blue-eyed shag paradox is resolved, with at least two waves of dispersal, linked to interglacial cycles, explaining the current distribution and diversity. Descendants of a Pliocene or Early Pleistocene wave of dispersal out of South America survive in the New Zealand region. In contrast, taxa distributed on sub-Antarctic islands originated much later, possibly since the Last Glacial Maximum. Blue-eyed shags therefore represent a powerful model system—comprising several natural replicates—for studying the early stages of founder-event speciation and adaptation in a Southern-Ocean bird group.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Wiley Blackwell Publishing, Inc
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
BIOGEOGRAPHY
dc.subject
CLIMATE CYCLES
dc.subject
CORMORANT
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LEUCOCARBO
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SOUTHERN OCEAN
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SPECIATION
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SUB-ANTARCTIC
dc.subject.classification
Genética y Herencia
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.subject.classification
Zoología, Ornitología, Entomología, Etología
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.subject.classification
Ecología
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Rapid radiation of Southern Ocean shags in response to receding sea ice
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2022-07-04T19:58:20Z
dc.journal.volume
49
dc.journal.number
5
dc.journal.pagination
942-953
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: Rawlence, Nicolas J.. University Of Otago; Canadá
dc.description.fil
Fil: Salis, Alexander T.. University Of Otago. Dept.of Zoology; Canadá
dc.description.fil
Fil: Spencer, Hamish G.. University Of Otago. Dept.of Zoology; Canadá
dc.description.fil
Fil: Waters, Jonathan M.. University Of Otago. Dept.of Zoology; Canadá
dc.description.fil
Fil: Scarsbrook, Lachie. University Of Otago. Dept.of Zoology; Canadá
dc.description.fil
Fil: Mitchell, Kieren J.. University Of Otago. Dept.of Zoology; Canadá
dc.description.fil
Fil: Phillips, Richard A.. University Of Otago. Dept.of Zoology; Canadá
dc.description.fil
Fil: Calderón, Pablo Luciano Sebastian. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Biología Agrícola de Mendoza. Universidad Nacional de Cuyo. Facultad de Ciencias Agrarias. Instituto de Biología Agrícola de Mendoza; Argentina
dc.description.fil
Fil: Cook, Timothée R.. University Of Otago. Dept.of Zoology; Canadá
dc.description.fil
Fil: Bost, Charles-André. University Of Otago. Dept.of Zoology; Canadá
dc.description.fil
Fil: Dutoit, Ludovic. University Of Otago. Dept.of Zoology; Canadá
dc.description.fil
Fil: King, Tania M.. University Of Otago. Dept.of Zoology; Canadá
dc.description.fil
Fil: Masello, Juan Francisco. Justus Liebig University Giessen; Alemania
dc.description.fil
Fil: Nupen, Lisa J.. University Of Otago. Dept.of Zoology; Canadá
dc.description.fil
Fil: Quillfeldt, Petra. Justus Liebig University Giessen; Alemania
dc.description.fil
Fil: Ratcliffe, Norman. University Of Otago. Dept.of Zoology; Canadá
dc.description.fil
Fil: Ryan, Peter G.. University Of Otago. Dept.of Zoology; Canadá
dc.description.fil
Fil: Till, Charlotte E.. University Of Otago. Dept.of Zoology; Canadá
dc.description.fil
Fil: Kennedy, Martyn. University Of Otago. Dept.of Zoology; Canadá
dc.journal.title
Journal of Biogeography
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/10.1111/jbi.14360
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1111/jbi.14360
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