Meristic and morphometric variation in pink salmon ( Oncorhynchus gorbuscha ) in southern British Columbia and Puget Sound
Variation in the number of gill rakers and four morphometric characters was examined for 4 stocks from the even-year brood line and 20 stocks from the odd-year brood line of pink salmon (Oncorhynchus gorbuscha) in southern British Columbia and Puget Sound. Significant differences in gill-raker frequ...
Published in: | Canadian Journal of Zoology |
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Language: | English |
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Canadian Science Publishing
1985
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Online Access: | http://dx.doi.org/10.1139/z85-056 http://www.nrcresearchpress.com/doi/pdf/10.1139/z85-056 |
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crcansciencepubl:10.1139/z85-056 2023-12-17T10:48:09+01:00 Meristic and morphometric variation in pink salmon ( Oncorhynchus gorbuscha ) in southern British Columbia and Puget Sound Beacham, Terry D. 1985 http://dx.doi.org/10.1139/z85-056 http://www.nrcresearchpress.com/doi/pdf/10.1139/z85-056 en eng Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Canadian Journal of Zoology volume 63, issue 2, page 366-372 ISSN 0008-4301 1480-3283 Animal Science and Zoology Ecology, Evolution, Behavior and Systematics journal-article 1985 crcansciencepubl https://doi.org/10.1139/z85-056 2023-11-19T13:38:37Z Variation in the number of gill rakers and four morphometric characters was examined for 4 stocks from the even-year brood line and 20 stocks from the odd-year brood line of pink salmon (Oncorhynchus gorbuscha) in southern British Columbia and Puget Sound. Significant differences in gill-raker frequencies were observed among stocks within each brood line, but differences were greater between the brood lines than within each brood line. Sizes of the morphometric characters standardized to a body length of 419 mm were also variable among stocks within a brood line, but stocks spawning in rivers in the same region in alternate years were more similar morphometrically than to those spawning in different regions. It is suggested that patterns of meristic and morphometric variability are reflective of genetic differences, with meristic variability illustrating the genetic differences between the brood lines, and morphometric variability reflecting adaptation to local water velocity conditions in the streams the stocks return to during spawning. Article in Journal/Newspaper Oncorhynchus gorbuscha Pink salmon Canadian Science Publishing (via Crossref) Canadian Journal of Zoology 63 2 366 372 |
institution |
Open Polar |
collection |
Canadian Science Publishing (via Crossref) |
op_collection_id |
crcansciencepubl |
language |
English |
topic |
Animal Science and Zoology Ecology, Evolution, Behavior and Systematics |
spellingShingle |
Animal Science and Zoology Ecology, Evolution, Behavior and Systematics Beacham, Terry D. Meristic and morphometric variation in pink salmon ( Oncorhynchus gorbuscha ) in southern British Columbia and Puget Sound |
topic_facet |
Animal Science and Zoology Ecology, Evolution, Behavior and Systematics |
description |
Variation in the number of gill rakers and four morphometric characters was examined for 4 stocks from the even-year brood line and 20 stocks from the odd-year brood line of pink salmon (Oncorhynchus gorbuscha) in southern British Columbia and Puget Sound. Significant differences in gill-raker frequencies were observed among stocks within each brood line, but differences were greater between the brood lines than within each brood line. Sizes of the morphometric characters standardized to a body length of 419 mm were also variable among stocks within a brood line, but stocks spawning in rivers in the same region in alternate years were more similar morphometrically than to those spawning in different regions. It is suggested that patterns of meristic and morphometric variability are reflective of genetic differences, with meristic variability illustrating the genetic differences between the brood lines, and morphometric variability reflecting adaptation to local water velocity conditions in the streams the stocks return to during spawning. |
format |
Article in Journal/Newspaper |
author |
Beacham, Terry D. |
author_facet |
Beacham, Terry D. |
author_sort |
Beacham, Terry D. |
title |
Meristic and morphometric variation in pink salmon ( Oncorhynchus gorbuscha ) in southern British Columbia and Puget Sound |
title_short |
Meristic and morphometric variation in pink salmon ( Oncorhynchus gorbuscha ) in southern British Columbia and Puget Sound |
title_full |
Meristic and morphometric variation in pink salmon ( Oncorhynchus gorbuscha ) in southern British Columbia and Puget Sound |
title_fullStr |
Meristic and morphometric variation in pink salmon ( Oncorhynchus gorbuscha ) in southern British Columbia and Puget Sound |
title_full_unstemmed |
Meristic and morphometric variation in pink salmon ( Oncorhynchus gorbuscha ) in southern British Columbia and Puget Sound |
title_sort |
meristic and morphometric variation in pink salmon ( oncorhynchus gorbuscha ) in southern british columbia and puget sound |
publisher |
Canadian Science Publishing |
publishDate |
1985 |
url |
http://dx.doi.org/10.1139/z85-056 http://www.nrcresearchpress.com/doi/pdf/10.1139/z85-056 |
genre |
Oncorhynchus gorbuscha Pink salmon |
genre_facet |
Oncorhynchus gorbuscha Pink salmon |
op_source |
Canadian Journal of Zoology volume 63, issue 2, page 366-372 ISSN 0008-4301 1480-3283 |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/z85-056 |
container_title |
Canadian Journal of Zoology |
container_volume |
63 |
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2 |
container_start_page |
366 |
op_container_end_page |
372 |
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1785572261488492544 |