Stable isotopic comparison in otoliths of juvenile sablefish ( Anoplopoma fimbria) from waters off the Washington and Oregon coast
Genetic methods have been extensively used in the examination of fish population composition and structure. However, it is generally not easy to determine the stock structure of marine fish using the genetic markers, particularly given the large population size and wide spread distribution of long-l...
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| Veröffentlicht in: | Fisheries research 2004-07, Vol.68 (1), p.351-360 |
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| creator | Gao, Yongwen Joner, Steve H Svec, Russell A Weinberg, Ken L |
| description | Genetic methods have been extensively used in the examination of fish population composition and structure. However, it is generally not easy to determine the stock structure of marine fish using the genetic markers, particularly given the large population size and wide spread distribution of long-lived fish. As an alternative, sagittal otoliths of juvenile sablefish (
Anoplopoma fimbria) along the Washington and Oregon coast were collected and analysed for stable oxygen and carbon isotope ratios.
δ
18
O
values of the otolith nuclei ranged from −1.3 to +0.1‰ VPDB, whereas
δ
13
C
of the same otoliths ranged from −8.7 to −6.2‰ VPDB. In contrast with the lower isotopic composition in early life,
δ
18
O
and
δ
13
C
values of sablefish otoliths at adult stage were levelled at about 2.0‰ VPDB and −1.0‰ VPDB, respectively. From north to south three different spawning stocks or subpopulations were recognized, with a gradual decrease in otolith
δ
13
C
and trophic level changes in sablefish’s diet. Therefore, stable isotopic records of otoliths may be a potential supplement for genetic markers when studying the stock structure of marine fish. |
| doi_str_mv | 10.1016/j.fishres.2003.11.002 |
| format | Article |
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Anoplopoma fimbria) along the Washington and Oregon coast were collected and analysed for stable oxygen and carbon isotope ratios.
δ
18
O
values of the otolith nuclei ranged from −1.3 to +0.1‰ VPDB, whereas
δ
13
C
of the same otoliths ranged from −8.7 to −6.2‰ VPDB. In contrast with the lower isotopic composition in early life,
δ
18
O
and
δ
13
C
values of sablefish otoliths at adult stage were levelled at about 2.0‰ VPDB and −1.0‰ VPDB, respectively. From north to south three different spawning stocks or subpopulations were recognized, with a gradual decrease in otolith
δ
13
C
and trophic level changes in sablefish’s diet. Therefore, stable isotopic records of otoliths may be a potential supplement for genetic markers when studying the stock structure of marine fish.</description><identifier>ISSN: 0165-7836</identifier><identifier>EISSN: 1872-6763</identifier><identifier>DOI: 10.1016/j.fishres.2003.11.002</identifier><identifier>CODEN: FISRDJ</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>[formula omitted] and [formula omitted] ; Animal, plant and microbial ecology ; Anoplopoma fimbria ; Applied ecology ; Biological and medical sciences ; Exploitation and management of natural biological resources (hunting, fishing and exploited populations survey, etc.) ; Fundamental and applied biological sciences. Psychology ; Marine ; Otoliths ; Pacific west coast ; Sablefish ; Stock structure</subject><ispartof>Fisheries research, 2004-07, Vol.68 (1), p.351-360</ispartof><rights>2003 Elsevier B.V.</rights><rights>2004 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c368t-49b6cb592b6929312ab7e84781b90c3f571edd1ed6b0086ac1d704dcfad602273</citedby><cites>FETCH-LOGICAL-c368t-49b6cb592b6929312ab7e84781b90c3f571edd1ed6b0086ac1d704dcfad602273</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.fishres.2003.11.002$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=15838578$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Gao, Yongwen</creatorcontrib><creatorcontrib>Joner, Steve H</creatorcontrib><creatorcontrib>Svec, Russell A</creatorcontrib><creatorcontrib>Weinberg, Ken L</creatorcontrib><title>Stable isotopic comparison in otoliths of juvenile sablefish ( Anoplopoma fimbria) from waters off the Washington and Oregon coast</title><title>Fisheries research</title><description>Genetic methods have been extensively used in the examination of fish population composition and structure. However, it is generally not easy to determine the stock structure of marine fish using the genetic markers, particularly given the large population size and wide spread distribution of long-lived fish. As an alternative, sagittal otoliths of juvenile sablefish (
Anoplopoma fimbria) along the Washington and Oregon coast were collected and analysed for stable oxygen and carbon isotope ratios.
δ
18
O
values of the otolith nuclei ranged from −1.3 to +0.1‰ VPDB, whereas
δ
13
C
of the same otoliths ranged from −8.7 to −6.2‰ VPDB. In contrast with the lower isotopic composition in early life,
δ
18
O
and
δ
13
C
values of sablefish otoliths at adult stage were levelled at about 2.0‰ VPDB and −1.0‰ VPDB, respectively. From north to south three different spawning stocks or subpopulations were recognized, with a gradual decrease in otolith
δ
13
C
and trophic level changes in sablefish’s diet. Therefore, stable isotopic records of otoliths may be a potential supplement for genetic markers when studying the stock structure of marine fish.</description><subject>[formula omitted] and [formula omitted]</subject><subject>Animal, plant and microbial ecology</subject><subject>Anoplopoma fimbria</subject><subject>Applied ecology</subject><subject>Biological and medical sciences</subject><subject>Exploitation and management of natural biological resources (hunting, fishing and exploited populations survey, etc.)</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Marine</subject><subject>Otoliths</subject><subject>Pacific west coast</subject><subject>Sablefish</subject><subject>Stock structure</subject><issn>0165-7836</issn><issn>1872-6763</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNqFkUFr3DAQhUVpodtNf0JBl5b2YEeS15J9KiG0SSGQQ1p6FLI8ymqxJVejTcm1v7wyu9BjD0Ka4XvzmCdC3nFWc8bl5aF2HvcJsBaMNTXnNWPiBdnwTolKKtm8JJvCtZXqGvmavEE8MMaUknxD_jxkM0xAPcYcF2-pjfNiUikD9YGW5uTzHml09HB8guALi6titaQf6VWIyxSXOBvq_Dwkbz5Rl-JMf5sMadU5mvdAfxrc-_CYy1gTRnqf4LE8bTSYL8grZyaEt-d7S358_fL9-ra6u7_5dn11V9lGdrna9YO0Q9uLQfaib7gwg4Jupzo-9Mw2rlUcxrEcOTDWSWP5qNhutM6Mkgmhmi35cJq7pPjrCJj17NHCNJkA8Yiaq16pTrQFbE-gTRExgdNL8rNJz5ozvSauD_qcuF4T15zrknjRvT8bGLRmcskE6_GfuO2ari1_sCWfTxyUbZ88JI3WQ7Aw-gQ26zH6_zj9BetAm_A</recordid><startdate>20040701</startdate><enddate>20040701</enddate><creator>Gao, Yongwen</creator><creator>Joner, Steve H</creator><creator>Svec, Russell A</creator><creator>Weinberg, Ken L</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TN</scope><scope>F1W</scope><scope>H95</scope><scope>L.G</scope></search><sort><creationdate>20040701</creationdate><title>Stable isotopic comparison in otoliths of juvenile sablefish ( Anoplopoma fimbria) from waters off the Washington and Oregon coast</title><author>Gao, Yongwen ; Joner, Steve H ; Svec, Russell A ; Weinberg, Ken L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c368t-49b6cb592b6929312ab7e84781b90c3f571edd1ed6b0086ac1d704dcfad602273</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>[formula omitted] and [formula omitted]</topic><topic>Animal, plant and microbial ecology</topic><topic>Anoplopoma fimbria</topic><topic>Applied ecology</topic><topic>Biological and medical sciences</topic><topic>Exploitation and management of natural biological resources (hunting, fishing and exploited populations survey, etc.)</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Marine</topic><topic>Otoliths</topic><topic>Pacific west coast</topic><topic>Sablefish</topic><topic>Stock structure</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gao, Yongwen</creatorcontrib><creatorcontrib>Joner, Steve H</creatorcontrib><creatorcontrib>Svec, Russell A</creatorcontrib><creatorcontrib>Weinberg, Ken L</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Oceanic Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Fisheries research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gao, Yongwen</au><au>Joner, Steve H</au><au>Svec, Russell A</au><au>Weinberg, Ken L</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Stable isotopic comparison in otoliths of juvenile sablefish ( Anoplopoma fimbria) from waters off the Washington and Oregon coast</atitle><jtitle>Fisheries research</jtitle><date>2004-07-01</date><risdate>2004</risdate><volume>68</volume><issue>1</issue><spage>351</spage><epage>360</epage><pages>351-360</pages><issn>0165-7836</issn><eissn>1872-6763</eissn><coden>FISRDJ</coden><abstract>Genetic methods have been extensively used in the examination of fish population composition and structure. However, it is generally not easy to determine the stock structure of marine fish using the genetic markers, particularly given the large population size and wide spread distribution of long-lived fish. As an alternative, sagittal otoliths of juvenile sablefish (
Anoplopoma fimbria) along the Washington and Oregon coast were collected and analysed for stable oxygen and carbon isotope ratios.
δ
18
O
values of the otolith nuclei ranged from −1.3 to +0.1‰ VPDB, whereas
δ
13
C
of the same otoliths ranged from −8.7 to −6.2‰ VPDB. In contrast with the lower isotopic composition in early life,
δ
18
O
and
δ
13
C
values of sablefish otoliths at adult stage were levelled at about 2.0‰ VPDB and −1.0‰ VPDB, respectively. From north to south three different spawning stocks or subpopulations were recognized, with a gradual decrease in otolith
δ
13
C
and trophic level changes in sablefish’s diet. Therefore, stable isotopic records of otoliths may be a potential supplement for genetic markers when studying the stock structure of marine fish.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.fishres.2003.11.002</doi><tpages>10</tpages></addata></record> |
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| identifier | ISSN: 0165-7836 |
| ispartof | Fisheries research, 2004-07, Vol.68 (1), p.351-360 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | [formula omitted] and [formula omitted] Animal, plant and microbial ecology Anoplopoma fimbria Applied ecology Biological and medical sciences Exploitation and management of natural biological resources (hunting, fishing and exploited populations survey, etc.) Fundamental and applied biological sciences. Psychology Marine Otoliths Pacific west coast Sablefish Stock structure |
| title | Stable isotopic comparison in otoliths of juvenile sablefish ( Anoplopoma fimbria) from waters off the Washington and Oregon coast |
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