Journal of Heredity 1998;89:121–128 Low Genetic Variation Among Killer Whales (Orcinus orca) in the Eastern North Pacific and Genetic Differentiation Between Foraging Specialists
for genetic variation at three nuclear DNA markers and sequenced for a total of 520 bp from the mitochondrial control region. Two putative sympatric populations that range throughout this region were compared. They can be distinguished by social and foraging behavior and are known as ‘‘residents’ ’...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.486.1982 2023-05-15T17:53:48+02:00 Journal of Heredity 1998;89:121–128 Low Genetic Variation Among Killer Whales (Orcinus orca) in the Eastern North Pacific and Genetic Differentiation Between Foraging Specialists A. R. Hoelzel M. Dahlheim S. J. Stern The Pennsylvania State University CiteSeerX Archives application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.486.1982 http://community.dur.ac.uk/a.r.hoelzel/Hoelzel et al 1998 KW.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.486.1982 http://community.dur.ac.uk/a.r.hoelzel/Hoelzel et al 1998 KW.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://community.dur.ac.uk/a.r.hoelzel/Hoelzel et al 1998 KW.pdf text ftciteseerx 2016-01-08T08:12:14Z for genetic variation at three nuclear DNA markers and sequenced for a total of 520 bp from the mitochondrial control region. Two putative sympatric populations that range throughout this region were compared. They can be distinguished by social and foraging behavior and are known as ‘‘residents’ ’ and ‘‘transients.’ ’ We found low levels of variation within populations compared to other cetacean species. Comparisons between fish (resident) versus marine mammal (transient) foraging specialists indicated highly significant genetic differentiation at both nuclear and mitochondrial loci. This differentiation is at a level consistent with intraspecific variation. A comparison between two parapatric resident populations showed a small but fixed mtDNA haplotype difference. Together these data suggest low levels of genetic dispersal between foraging specialists and a pattern of genetic differ-entiation consistent with matrifocal population structure and small effective pop-ulation size. Over 1200 killer whales in the eastern North Pacific have been individually iden-tified using photographs of distinguishing congenital and acquired markings (Bigg et Text Orca Orcinus orca Unknown Pacific |
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Open Polar |
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ftciteseerx |
language |
English |
description |
for genetic variation at three nuclear DNA markers and sequenced for a total of 520 bp from the mitochondrial control region. Two putative sympatric populations that range throughout this region were compared. They can be distinguished by social and foraging behavior and are known as ‘‘residents’ ’ and ‘‘transients.’ ’ We found low levels of variation within populations compared to other cetacean species. Comparisons between fish (resident) versus marine mammal (transient) foraging specialists indicated highly significant genetic differentiation at both nuclear and mitochondrial loci. This differentiation is at a level consistent with intraspecific variation. A comparison between two parapatric resident populations showed a small but fixed mtDNA haplotype difference. Together these data suggest low levels of genetic dispersal between foraging specialists and a pattern of genetic differ-entiation consistent with matrifocal population structure and small effective pop-ulation size. Over 1200 killer whales in the eastern North Pacific have been individually iden-tified using photographs of distinguishing congenital and acquired markings (Bigg et |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
A. R. Hoelzel M. Dahlheim S. J. Stern |
spellingShingle |
A. R. Hoelzel M. Dahlheim S. J. Stern Journal of Heredity 1998;89:121–128 Low Genetic Variation Among Killer Whales (Orcinus orca) in the Eastern North Pacific and Genetic Differentiation Between Foraging Specialists |
author_facet |
A. R. Hoelzel M. Dahlheim S. J. Stern |
author_sort |
A. R. Hoelzel |
title |
Journal of Heredity 1998;89:121–128 Low Genetic Variation Among Killer Whales (Orcinus orca) in the Eastern North Pacific and Genetic Differentiation Between Foraging Specialists |
title_short |
Journal of Heredity 1998;89:121–128 Low Genetic Variation Among Killer Whales (Orcinus orca) in the Eastern North Pacific and Genetic Differentiation Between Foraging Specialists |
title_full |
Journal of Heredity 1998;89:121–128 Low Genetic Variation Among Killer Whales (Orcinus orca) in the Eastern North Pacific and Genetic Differentiation Between Foraging Specialists |
title_fullStr |
Journal of Heredity 1998;89:121–128 Low Genetic Variation Among Killer Whales (Orcinus orca) in the Eastern North Pacific and Genetic Differentiation Between Foraging Specialists |
title_full_unstemmed |
Journal of Heredity 1998;89:121–128 Low Genetic Variation Among Killer Whales (Orcinus orca) in the Eastern North Pacific and Genetic Differentiation Between Foraging Specialists |
title_sort |
journal of heredity 1998;89:121–128 low genetic variation among killer whales (orcinus orca) in the eastern north pacific and genetic differentiation between foraging specialists |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.486.1982 http://community.dur.ac.uk/a.r.hoelzel/Hoelzel et al 1998 KW.pdf |
geographic |
Pacific |
geographic_facet |
Pacific |
genre |
Orca Orcinus orca |
genre_facet |
Orca Orcinus orca |
op_source |
http://community.dur.ac.uk/a.r.hoelzel/Hoelzel et al 1998 KW.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.486.1982 http://community.dur.ac.uk/a.r.hoelzel/Hoelzel et al 1998 KW.pdf |
op_rights |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
_version_ |
1766161501736927232 |