Low allozyme heterozygosity in North Pacific and Bering Sea populations of red king crab (Paralithodes camtschaticus): adaptive specialization, population bottleneck, or metapopulation structure?
<qd> Grant, W. S., Merkouris, S. E., Kruse, G. H., and Seeb, L. W. 2011. Low allozyme heterozygosity in North Pacific and Bering Sea populations of red king crab ( Paralithodes camtschaticus ): adaptive specialization, population bottleneck, or metapopulation structure? – ICES Journal of Marin...
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fthighwire:oai:open-archive.highwire.org:icesjms:68/3/499 2023-05-15T15:43:15+02:00 Low allozyme heterozygosity in North Pacific and Bering Sea populations of red king crab (Paralithodes camtschaticus): adaptive specialization, population bottleneck, or metapopulation structure? Grant, W. Stewart Merkouris, Susan E. Kruse, Gordon H. Seeb, Lisa W. 2011-03-01 00:00:00.0 text/html http://icesjms.oxfordjournals.org/cgi/content/short/68/3/499 https://doi.org/10.1093/icesjms/fsq184 en eng Oxford University Press http://icesjms.oxfordjournals.org/cgi/content/short/68/3/499 http://dx.doi.org/10.1093/icesjms/fsq184 Copyright (C) 2011, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer Articles TEXT 2011 fthighwire https://doi.org/10.1093/icesjms/fsq184 2011-03-13T13:37:15Z <qd> Grant, W. S., Merkouris, S. E., Kruse, G. H., and Seeb, L. W. 2011. Low allozyme heterozygosity in North Pacific and Bering Sea populations of red king crab ( Paralithodes camtschaticus ): adaptive specialization, population bottleneck, or metapopulation structure? – ICES Journal of Marine Science, 68: . </qd>Populations of red king crab in the North Pacific and Bering Sea have declined in response to ocean-climate shifts and to harvesting. An understanding of how populations are geographically structured is important to the management of these depressed resources. Here, the Mendelian variability at 38 enzyme-encoding loci was surveyed in 27 samples ( n = 2427) from 18 general locations. Sample heterozygosities were low, averaging H E = 0.015 among samples. Weak genetic structure was detected among three groups of populations, the Bering Sea, central Gulf of Alaska, and Southeast Alaska, but without significant isolation by distance among populations. A sample from Adak Island in the western Aleutians was genetically different from the remaining samples. The lack of differentiation among populations within regions may, in part, be due to post-glacial expansions and a lack of migration-drift equilibrium and to limited statistical power imposed by low levels of polymorphism. Departures from neutrality may reflect the effects of both selective and historical factors. The low allozyme diversity in red king crab may, in part, be attributable to adaptive specialization, background selection, ice-age population bottlenecks, or metapopulation dynamics in a climatically unstable North Pacific. Text Bering Sea Paralithodes camtschaticus Red king crab Alaska HighWire Press (Stanford University) Bering Sea Gulf of Alaska Pacific Adak ENVELOPE(59.561,59.561,66.502,66.502) ICES Journal of Marine Science 68 3 499 506 |
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HighWire Press (Stanford University) |
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English |
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Articles |
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Articles Grant, W. Stewart Merkouris, Susan E. Kruse, Gordon H. Seeb, Lisa W. Low allozyme heterozygosity in North Pacific and Bering Sea populations of red king crab (Paralithodes camtschaticus): adaptive specialization, population bottleneck, or metapopulation structure? |
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<qd> Grant, W. S., Merkouris, S. E., Kruse, G. H., and Seeb, L. W. 2011. Low allozyme heterozygosity in North Pacific and Bering Sea populations of red king crab ( Paralithodes camtschaticus ): adaptive specialization, population bottleneck, or metapopulation structure? – ICES Journal of Marine Science, 68: . </qd>Populations of red king crab in the North Pacific and Bering Sea have declined in response to ocean-climate shifts and to harvesting. An understanding of how populations are geographically structured is important to the management of these depressed resources. Here, the Mendelian variability at 38 enzyme-encoding loci was surveyed in 27 samples ( n = 2427) from 18 general locations. Sample heterozygosities were low, averaging H E = 0.015 among samples. Weak genetic structure was detected among three groups of populations, the Bering Sea, central Gulf of Alaska, and Southeast Alaska, but without significant isolation by distance among populations. A sample from Adak Island in the western Aleutians was genetically different from the remaining samples. The lack of differentiation among populations within regions may, in part, be due to post-glacial expansions and a lack of migration-drift equilibrium and to limited statistical power imposed by low levels of polymorphism. Departures from neutrality may reflect the effects of both selective and historical factors. The low allozyme diversity in red king crab may, in part, be attributable to adaptive specialization, background selection, ice-age population bottlenecks, or metapopulation dynamics in a climatically unstable North Pacific. |
format |
Text |
author |
Grant, W. Stewart Merkouris, Susan E. Kruse, Gordon H. Seeb, Lisa W. |
author_facet |
Grant, W. Stewart Merkouris, Susan E. Kruse, Gordon H. Seeb, Lisa W. |
author_sort |
Grant, W. Stewart |
title |
Low allozyme heterozygosity in North Pacific and Bering Sea populations of red king crab (Paralithodes camtschaticus): adaptive specialization, population bottleneck, or metapopulation structure? |
title_short |
Low allozyme heterozygosity in North Pacific and Bering Sea populations of red king crab (Paralithodes camtschaticus): adaptive specialization, population bottleneck, or metapopulation structure? |
title_full |
Low allozyme heterozygosity in North Pacific and Bering Sea populations of red king crab (Paralithodes camtschaticus): adaptive specialization, population bottleneck, or metapopulation structure? |
title_fullStr |
Low allozyme heterozygosity in North Pacific and Bering Sea populations of red king crab (Paralithodes camtschaticus): adaptive specialization, population bottleneck, or metapopulation structure? |
title_full_unstemmed |
Low allozyme heterozygosity in North Pacific and Bering Sea populations of red king crab (Paralithodes camtschaticus): adaptive specialization, population bottleneck, or metapopulation structure? |
title_sort |
low allozyme heterozygosity in north pacific and bering sea populations of red king crab (paralithodes camtschaticus): adaptive specialization, population bottleneck, or metapopulation structure? |
publisher |
Oxford University Press |
publishDate |
2011 |
url |
http://icesjms.oxfordjournals.org/cgi/content/short/68/3/499 https://doi.org/10.1093/icesjms/fsq184 |
long_lat |
ENVELOPE(59.561,59.561,66.502,66.502) |
geographic |
Bering Sea Gulf of Alaska Pacific Adak |
geographic_facet |
Bering Sea Gulf of Alaska Pacific Adak |
genre |
Bering Sea Paralithodes camtschaticus Red king crab Alaska |
genre_facet |
Bering Sea Paralithodes camtschaticus Red king crab Alaska |
op_relation |
http://icesjms.oxfordjournals.org/cgi/content/short/68/3/499 http://dx.doi.org/10.1093/icesjms/fsq184 |
op_rights |
Copyright (C) 2011, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer |
op_doi |
https://doi.org/10.1093/icesjms/fsq184 |
container_title |
ICES Journal of Marine Science |
container_volume |
68 |
container_issue |
3 |
container_start_page |
499 |
op_container_end_page |
506 |
_version_ |
1766377301372567552 |