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Cod (Gadus morhua) from several populations overwinter in the Cabot Strait area at the entrance to the Gulf of St Lawrence. We examined the utility of vertebral number for estimating the stock composition of cod aggregations in this overwintering area. Stock-specific mean vertebral numbers were esti...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.495.826 2023-05-15T16:19:09+02:00 lib d S Vertebral Numberd P. Swain K. T. Frank G. Maillet The Pennsylvania State University CiteSeerX Archives application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.495.826 http://icesjms.oxfordjournals.org/content/58/1/253.full.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.495.826 http://icesjms.oxfordjournals.org/content/58/1/253.full.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://icesjms.oxfordjournals.org/content/58/1/253.full.pdf text ftciteseerx 2016-01-08T08:46:08Z Cod (Gadus morhua) from several populations overwinter in the Cabot Strait area at the entrance to the Gulf of St Lawrence. We examined the utility of vertebral number for estimating the stock composition of cod aggregations in this overwintering area. Stock-specific mean vertebral numbers were estimated using samples obtained in the 1994–1997 spring (spawning) and summer (feeding) seasons when the populations were geographically separated. Mean vertebral number was significantly lower in the southern Gulf population than in each other population (northern Gulf, southern Newfoundland, Sydney Bight, eastern Scotian Shelf), but did not differ significantly among the other populations. Stock-specific vertebral counts were stable over the study period and, for three of the five stocks (including the large migratory Gulf of St Lawrence stocks), over several year classes. Stock composition of the overwintering aggregations was estimated using samples obtained from synoptic bottom-trawl surveys of the Cabot Strait area in January of 1996 and 1997. In both years, mean vertebral number was significantly lower along the south flank of the Laurentian Channel in NAFO (Northwest Atlantic Fisheries Organization) Divisions 4T and 4Vn Text Gadus morhua Newfoundland Northwest Atlantic Unknown Cabot ENVELOPE(-54.600,-54.600,-63.383,-63.383) |
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English |
description |
Cod (Gadus morhua) from several populations overwinter in the Cabot Strait area at the entrance to the Gulf of St Lawrence. We examined the utility of vertebral number for estimating the stock composition of cod aggregations in this overwintering area. Stock-specific mean vertebral numbers were estimated using samples obtained in the 1994–1997 spring (spawning) and summer (feeding) seasons when the populations were geographically separated. Mean vertebral number was significantly lower in the southern Gulf population than in each other population (northern Gulf, southern Newfoundland, Sydney Bight, eastern Scotian Shelf), but did not differ significantly among the other populations. Stock-specific vertebral counts were stable over the study period and, for three of the five stocks (including the large migratory Gulf of St Lawrence stocks), over several year classes. Stock composition of the overwintering aggregations was estimated using samples obtained from synoptic bottom-trawl surveys of the Cabot Strait area in January of 1996 and 1997. In both years, mean vertebral number was significantly lower along the south flank of the Laurentian Channel in NAFO (Northwest Atlantic Fisheries Organization) Divisions 4T and 4Vn |
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The Pennsylvania State University CiteSeerX Archives |
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Text |
author |
Vertebral Numberd P. Swain K. T. Frank G. Maillet |
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Vertebral Numberd P. Swain K. T. Frank G. Maillet lib d S |
author_facet |
Vertebral Numberd P. Swain K. T. Frank G. Maillet |
author_sort |
Vertebral Numberd P. Swain |
title |
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url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.495.826 http://icesjms.oxfordjournals.org/content/58/1/253.full.pdf |
long_lat |
ENVELOPE(-54.600,-54.600,-63.383,-63.383) |
geographic |
Cabot |
geographic_facet |
Cabot |
genre |
Gadus morhua Newfoundland Northwest Atlantic |
genre_facet |
Gadus morhua Newfoundland Northwest Atlantic |
op_source |
http://icesjms.oxfordjournals.org/content/58/1/253.full.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.495.826 http://icesjms.oxfordjournals.org/content/58/1/253.full.pdf |
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Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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1766005488918462464 |