Estimates of larval survival of cod by releases of genetically marked yolk‐sac larvae
In the spring of 1995, 18 million genetically marked yolk‐sac cod larvae Gadus morhua were released into a 2.9‐km 2 , nearly land‐locked fjord in western Norway. Four quantitative surveys were conducted, 11, 33, and 63 days, and 1 year after the first release. Almost 100% of the collected cod larvae...
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Language: | English |
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1997
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Online Access: | http://dx.doi.org/10.1111/j.1095-8649.1997.tb06103.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1095-8649.1997.tb06103.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1095-8649.1997.tb06103.x |
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crwiley:10.1111/j.1095-8649.1997.tb06103.x 2024-06-02T08:06:56+00:00 Estimates of larval survival of cod by releases of genetically marked yolk‐sac larvae Kristiansen, T. S. Jørstad, K. E. Otterå, H. Paulsen, O. I. Svåsand, T. 1997 http://dx.doi.org/10.1111/j.1095-8649.1997.tb06103.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1095-8649.1997.tb06103.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1095-8649.1997.tb06103.x en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Journal of Fish Biology volume 51, issue sA, page 264-283 ISSN 0022-1112 1095-8649 journal-article 1997 crwiley https://doi.org/10.1111/j.1095-8649.1997.tb06103.x 2024-05-03T10:52:22Z In the spring of 1995, 18 million genetically marked yolk‐sac cod larvae Gadus morhua were released into a 2.9‐km 2 , nearly land‐locked fjord in western Norway. Four quantitative surveys were conducted, 11, 33, and 63 days, and 1 year after the first release. Almost 100% of the collected cod larvae were successfully identified to GPI‐1 * genotype. The marked cod larvae constituted 18% of all sampled cod larvae in the first survey and 9% in the two next. The average rate of mortality was estimated to be 23% day −1 for the first 10 days after release and 12% day −1 during the next month after release. After 1 year (April 1996), the number genetically marked I‐group cod in the fjord was estimated to be <120. The effect of the historical programme of large‐scale releases of yolk‐sac larvae on recruitment were evaluated and found to be small. Article in Journal/Newspaper Gadus morhua Wiley Online Library Norway Journal of Fish Biology 51 sA 264 283 |
institution |
Open Polar |
collection |
Wiley Online Library |
op_collection_id |
crwiley |
language |
English |
description |
In the spring of 1995, 18 million genetically marked yolk‐sac cod larvae Gadus morhua were released into a 2.9‐km 2 , nearly land‐locked fjord in western Norway. Four quantitative surveys were conducted, 11, 33, and 63 days, and 1 year after the first release. Almost 100% of the collected cod larvae were successfully identified to GPI‐1 * genotype. The marked cod larvae constituted 18% of all sampled cod larvae in the first survey and 9% in the two next. The average rate of mortality was estimated to be 23% day −1 for the first 10 days after release and 12% day −1 during the next month after release. After 1 year (April 1996), the number genetically marked I‐group cod in the fjord was estimated to be <120. The effect of the historical programme of large‐scale releases of yolk‐sac larvae on recruitment were evaluated and found to be small. |
format |
Article in Journal/Newspaper |
author |
Kristiansen, T. S. Jørstad, K. E. Otterå, H. Paulsen, O. I. Svåsand, T. |
spellingShingle |
Kristiansen, T. S. Jørstad, K. E. Otterå, H. Paulsen, O. I. Svåsand, T. Estimates of larval survival of cod by releases of genetically marked yolk‐sac larvae |
author_facet |
Kristiansen, T. S. Jørstad, K. E. Otterå, H. Paulsen, O. I. Svåsand, T. |
author_sort |
Kristiansen, T. S. |
title |
Estimates of larval survival of cod by releases of genetically marked yolk‐sac larvae |
title_short |
Estimates of larval survival of cod by releases of genetically marked yolk‐sac larvae |
title_full |
Estimates of larval survival of cod by releases of genetically marked yolk‐sac larvae |
title_fullStr |
Estimates of larval survival of cod by releases of genetically marked yolk‐sac larvae |
title_full_unstemmed |
Estimates of larval survival of cod by releases of genetically marked yolk‐sac larvae |
title_sort |
estimates of larval survival of cod by releases of genetically marked yolk‐sac larvae |
publisher |
Wiley |
publishDate |
1997 |
url |
http://dx.doi.org/10.1111/j.1095-8649.1997.tb06103.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1095-8649.1997.tb06103.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1095-8649.1997.tb06103.x |
geographic |
Norway |
geographic_facet |
Norway |
genre |
Gadus morhua |
genre_facet |
Gadus morhua |
op_source |
Journal of Fish Biology volume 51, issue sA, page 264-283 ISSN 0022-1112 1095-8649 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/j.1095-8649.1997.tb06103.x |
container_title |
Journal of Fish Biology |
container_volume |
51 |
container_issue |
sA |
container_start_page |
264 |
op_container_end_page |
283 |
_version_ |
1800751936080707584 |