Effect of varying temperature regimes on the development of pink salmon ( Oncorhynchus gorbuscha ) eggs and alevins
Eggs and alevins from six odd-year, brood-line stocks of pink salmon (Oncorhynchus gorbuscha) spawning in southern British Columbia were incubated under varying temperature regimes and subjected to rapid temperature changes at specific developmental stages. Increasing or decreasing temperature regim...
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Language: | English |
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Canadian Science Publishing
1986
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Online Access: | http://dx.doi.org/10.1139/z86-099 http://www.nrcresearchpress.com/doi/pdf/10.1139/z86-099 |
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crcansciencepubl:10.1139/z86-099 2024-03-24T09:04:29+00:00 Effect of varying temperature regimes on the development of pink salmon ( Oncorhynchus gorbuscha ) eggs and alevins Murray, Clyde B. Beacham, Terry D. 1986 http://dx.doi.org/10.1139/z86-099 http://www.nrcresearchpress.com/doi/pdf/10.1139/z86-099 en eng Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Canadian Journal of Zoology volume 64, issue 3, page 670-676 ISSN 0008-4301 1480-3283 Animal Science and Zoology Ecology, Evolution, Behavior and Systematics journal-article 1986 crcansciencepubl https://doi.org/10.1139/z86-099 2024-02-26T15:23:02Z Eggs and alevins from six odd-year, brood-line stocks of pink salmon (Oncorhynchus gorbuscha) spawning in southern British Columbia were incubated under varying temperature regimes and subjected to rapid temperature changes at specific developmental stages. Increasing or decreasing temperature regimes had no significant effect on egg and alevin survival. The inclusion of 2 or 4 °C in the temperature regime reduced egg survival. Rapid temperature changes from 12 to 1 °C late in development reduced alevin survival when compared with transfers from 8 to 1 °C. Hatching and emergence time varied inversely with mean incubation temperature. Decreasing temperature regimes produced longer and heavier alevins and fry than increasing temperature regimes. Low mean incubation temperatures from fertilization to fry emergence resulted in longer and heavier alevins and fry than those at higher mean temperature. Transfers from 8 or 12 °C to 1 °C early in development had a greater effect on alevin length and weight than transfers late in development. Temperature regimes can be manipulated to enhance survival, control development time, and increase alevin and fry size. Article in Journal/Newspaper Oncorhynchus gorbuscha Pink salmon Canadian Science Publishing Canadian Journal of Zoology 64 3 670 676 |
institution |
Open Polar |
collection |
Canadian Science Publishing |
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 Murray, Clyde B. Beacham, Terry D. Effect of varying temperature regimes on the development of pink salmon ( Oncorhynchus gorbuscha ) eggs and alevins |
topic_facet |
Animal Science and Zoology Ecology, Evolution, Behavior and Systematics |
description |
Eggs and alevins from six odd-year, brood-line stocks of pink salmon (Oncorhynchus gorbuscha) spawning in southern British Columbia were incubated under varying temperature regimes and subjected to rapid temperature changes at specific developmental stages. Increasing or decreasing temperature regimes had no significant effect on egg and alevin survival. The inclusion of 2 or 4 °C in the temperature regime reduced egg survival. Rapid temperature changes from 12 to 1 °C late in development reduced alevin survival when compared with transfers from 8 to 1 °C. Hatching and emergence time varied inversely with mean incubation temperature. Decreasing temperature regimes produced longer and heavier alevins and fry than increasing temperature regimes. Low mean incubation temperatures from fertilization to fry emergence resulted in longer and heavier alevins and fry than those at higher mean temperature. Transfers from 8 or 12 °C to 1 °C early in development had a greater effect on alevin length and weight than transfers late in development. Temperature regimes can be manipulated to enhance survival, control development time, and increase alevin and fry size. |
format |
Article in Journal/Newspaper |
author |
Murray, Clyde B. Beacham, Terry D. |
author_facet |
Murray, Clyde B. Beacham, Terry D. |
author_sort |
Murray, Clyde B. |
title |
Effect of varying temperature regimes on the development of pink salmon ( Oncorhynchus gorbuscha ) eggs and alevins |
title_short |
Effect of varying temperature regimes on the development of pink salmon ( Oncorhynchus gorbuscha ) eggs and alevins |
title_full |
Effect of varying temperature regimes on the development of pink salmon ( Oncorhynchus gorbuscha ) eggs and alevins |
title_fullStr |
Effect of varying temperature regimes on the development of pink salmon ( Oncorhynchus gorbuscha ) eggs and alevins |
title_full_unstemmed |
Effect of varying temperature regimes on the development of pink salmon ( Oncorhynchus gorbuscha ) eggs and alevins |
title_sort |
effect of varying temperature regimes on the development of pink salmon ( oncorhynchus gorbuscha ) eggs and alevins |
publisher |
Canadian Science Publishing |
publishDate |
1986 |
url |
http://dx.doi.org/10.1139/z86-099 http://www.nrcresearchpress.com/doi/pdf/10.1139/z86-099 |
genre |
Oncorhynchus gorbuscha Pink salmon |
genre_facet |
Oncorhynchus gorbuscha Pink salmon |
op_source |
Canadian Journal of Zoology volume 64, issue 3, page 670-676 ISSN 0008-4301 1480-3283 |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/z86-099 |
container_title |
Canadian Journal of Zoology |
container_volume |
64 |
container_issue |
3 |
container_start_page |
670 |
op_container_end_page |
676 |
_version_ |
1794405718681452544 |