Phenotypic and genetic divergence among harbour porpoise populations associated with habitat regions in the North Sea and adjacent seas
Determining the mechanisms that generate population structure is essential to the understanding of speciation and the evolution of biodiversity. Here, we investigate a geographical range that transects two habitat gradients, the North Sea to North Atlantic transition, and the temperate to subpolar r...
Published in: | Journal of Evolutionary Biology |
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Online Access: | http://hdl.handle.net/10019.1/20684 https://doi.org/10.1111/j.1420-9101.2012.02461.x |
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ftunstellenbosch:oai:scholar.sun.ac.za:10019.1/20684 2023-11-12T04:18:11+01:00 Phenotypic and genetic divergence among harbour porpoise populations associated with habitat regions in the North Sea and adjacent seas De Luna C.J. Goodman S.J. Thatcher O. Jepson P.D. Andersen L. Tolley K. Hoelzel A.R. 2012 http://hdl.handle.net/10019.1/20684 https://doi.org/10.1111/j.1420-9101.2012.02461.x unknown Journal of Evolutionary Biology 25 4 674 681 1010061X doi:10.1111/j.1420-9101.2012.02461.x http://hdl.handle.net/10019.1/20684 Marine mammal Population structure Resource specialization Article 2012 ftunstellenbosch https://doi.org/10.1111/j.1420-9101.2012.02461.x 2023-10-22T07:25:52Z Determining the mechanisms that generate population structure is essential to the understanding of speciation and the evolution of biodiversity. Here, we investigate a geographical range that transects two habitat gradients, the North Sea to North Atlantic transition, and the temperate to subpolar regions. We studied the harbour porpoise (Phocoena phocoena), a small odontocete inhabiting both subpolar and temperate waters. To assess differentiation among putative populations, we measured morphological variation at cranial traits (N=462 individuals) and variation at eight microsatellite loci for 338 of the same individuals from Norwegian, British and Danish waters. Significant morphological differentiation reflected the size of the buccal cavity. Porpoises forage in relatively shallow waters preying mainly on benthic species in British and Danish waters, and on mesopelagic and pelagic fish off the coast of Norway. We suggest that the observed differentiation may be explained by resource specialization and either adaptation or developmental responses to different local habitats. © 2012 The Authors. Journal of Evolutionary Biology © 2012 European Society For Evolutionary Biology. Article in Journal/Newspaper Harbour porpoise North Atlantic Phocoena phocoena Stellenbosch University: SUNScholar Research Repository Norway Journal of Evolutionary Biology 25 4 674 681 |
institution |
Open Polar |
collection |
Stellenbosch University: SUNScholar Research Repository |
op_collection_id |
ftunstellenbosch |
language |
unknown |
topic |
Marine mammal Population structure Resource specialization |
spellingShingle |
Marine mammal Population structure Resource specialization De Luna C.J. Goodman S.J. Thatcher O. Jepson P.D. Andersen L. Tolley K. Hoelzel A.R. Phenotypic and genetic divergence among harbour porpoise populations associated with habitat regions in the North Sea and adjacent seas |
topic_facet |
Marine mammal Population structure Resource specialization |
description |
Determining the mechanisms that generate population structure is essential to the understanding of speciation and the evolution of biodiversity. Here, we investigate a geographical range that transects two habitat gradients, the North Sea to North Atlantic transition, and the temperate to subpolar regions. We studied the harbour porpoise (Phocoena phocoena), a small odontocete inhabiting both subpolar and temperate waters. To assess differentiation among putative populations, we measured morphological variation at cranial traits (N=462 individuals) and variation at eight microsatellite loci for 338 of the same individuals from Norwegian, British and Danish waters. Significant morphological differentiation reflected the size of the buccal cavity. Porpoises forage in relatively shallow waters preying mainly on benthic species in British and Danish waters, and on mesopelagic and pelagic fish off the coast of Norway. We suggest that the observed differentiation may be explained by resource specialization and either adaptation or developmental responses to different local habitats. © 2012 The Authors. Journal of Evolutionary Biology © 2012 European Society For Evolutionary Biology. |
format |
Article in Journal/Newspaper |
author |
De Luna C.J. Goodman S.J. Thatcher O. Jepson P.D. Andersen L. Tolley K. Hoelzel A.R. |
author_facet |
De Luna C.J. Goodman S.J. Thatcher O. Jepson P.D. Andersen L. Tolley K. Hoelzel A.R. |
author_sort |
De Luna C.J. |
title |
Phenotypic and genetic divergence among harbour porpoise populations associated with habitat regions in the North Sea and adjacent seas |
title_short |
Phenotypic and genetic divergence among harbour porpoise populations associated with habitat regions in the North Sea and adjacent seas |
title_full |
Phenotypic and genetic divergence among harbour porpoise populations associated with habitat regions in the North Sea and adjacent seas |
title_fullStr |
Phenotypic and genetic divergence among harbour porpoise populations associated with habitat regions in the North Sea and adjacent seas |
title_full_unstemmed |
Phenotypic and genetic divergence among harbour porpoise populations associated with habitat regions in the North Sea and adjacent seas |
title_sort |
phenotypic and genetic divergence among harbour porpoise populations associated with habitat regions in the north sea and adjacent seas |
publishDate |
2012 |
url |
http://hdl.handle.net/10019.1/20684 https://doi.org/10.1111/j.1420-9101.2012.02461.x |
geographic |
Norway |
geographic_facet |
Norway |
genre |
Harbour porpoise North Atlantic Phocoena phocoena |
genre_facet |
Harbour porpoise North Atlantic Phocoena phocoena |
op_relation |
Journal of Evolutionary Biology 25 4 674 681 1010061X doi:10.1111/j.1420-9101.2012.02461.x http://hdl.handle.net/10019.1/20684 |
op_doi |
https://doi.org/10.1111/j.1420-9101.2012.02461.x |
container_title |
Journal of Evolutionary Biology |
container_volume |
25 |
container_issue |
4 |
container_start_page |
674 |
op_container_end_page |
681 |
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1782334876609937408 |