Reduced fitness of Atlantic salmon released in the wild after one generation of captive breeding
International audience Salmonids rank among the most socioeconomically valuable fishes and the most targeted species by stocking with hatchery-reared individuals. Here, we used molecular parentage analysis to assess the reproductive success of wild- and hatchery-born Atlantic salmon over three consec...
Published in: | Evolutionary Applications |
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Online Access: | https://hal.inrae.fr/hal-02921390 https://hal.inrae.fr/hal-02921390/document https://hal.inrae.fr/hal-02921390/file/eva.12028.pdf https://doi.org/10.1111/eva.12028 |
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ftccsdartic:oai:HAL:hal-02921390v1 2023-05-15T15:31:32+02:00 Reduced fitness of Atlantic salmon released in the wild after one generation of captive breeding Milot, Emmanuel Perrier, Charles Papillon, Lucie Dodson, Julian Bernatchez, Louis Institut de Biologie Intégrative et des Systèmes Québec (IBIS) Université Laval Québec (ULaval) This research was financially supported by a Natural Sciences and Engineering Research Council of Canada grant (strategic program) to J.J.D. and L. B., and a grant from Reseau Aquaculture Quebec to C. Perrier. This work is a contribution to the research program of CIRSA (Centre Interuniversitaire de recherche sur le Saumon Atlantique). 2013-04 https://hal.inrae.fr/hal-02921390 https://hal.inrae.fr/hal-02921390/document https://hal.inrae.fr/hal-02921390/file/eva.12028.pdf https://doi.org/10.1111/eva.12028 en eng HAL CCSD Blackwell info:eu-repo/semantics/altIdentifier/doi/10.1111/eva.12028 info:eu-repo/semantics/altIdentifier/pmid/23745139 hal-02921390 https://hal.inrae.fr/hal-02921390 https://hal.inrae.fr/hal-02921390/document https://hal.inrae.fr/hal-02921390/file/eva.12028.pdf doi:10.1111/eva.12028 PUBMED: 23745139 WOS: 000316957800007 http://creativecommons.org/licenses/by/ info:eu-repo/semantics/OpenAccess ISSN: 1752-4563 EISSN: 1752-4571 Evolutionary Applications https://hal.inrae.fr/hal-02921390 Evolutionary Applications, Blackwell, 2013, 6 (3), pp.472-485. ⟨10.1111/eva.12028⟩ https://onlinelibrary.wiley.com/doi/full/10.1111/eva.12028 [SDV.GEN]Life Sciences [q-bio]/Genetics info:eu-repo/semantics/article Journal articles 2013 ftccsdartic https://doi.org/10.1111/eva.12028 2021-06-12T22:25:15Z International audience Salmonids rank among the most socioeconomically valuable fishes and the most targeted species by stocking with hatchery-reared individuals. Here, we used molecular parentage analysis to assess the reproductive success of wild- and hatchery-born Atlantic salmon over three consecutive years in a small river in Que ´ bec. Yearly restocking in this river follows a single generation of captive breeding. Among the adults returning to the river to spawn, between 11% and 41% each year were born in hatchery. Their relative reproductive success (RRS) was nearly half that of wild-born fish (0.55). RRS varied with life stage, being 0.71 for fish released at the fry stage and 0.42 for fish released as smolt. The lower reproductive success of salmon released as smolt was partly mediated by the modification of the proportion of single-sea-winter/multi-sea-winter fish. Over- all, our results suggest that modifications in survival and growth rates alter the life-history strategies of these fish at the cost of their reproductive success. Our results underline the potential fitness decrease, warn on long-term evolutionary consequences for the population of repeated stocking and support the adoption of more natural rearing conditions for captive juveniles and their release at a younger stage, such as unfed fry. Article in Journal/Newspaper Atlantic salmon Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) Evolutionary Applications 6 3 472 485 |
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Open Polar |
collection |
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
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ftccsdartic |
language |
English |
topic |
[SDV.GEN]Life Sciences [q-bio]/Genetics |
spellingShingle |
[SDV.GEN]Life Sciences [q-bio]/Genetics Milot, Emmanuel Perrier, Charles Papillon, Lucie Dodson, Julian Bernatchez, Louis Reduced fitness of Atlantic salmon released in the wild after one generation of captive breeding |
topic_facet |
[SDV.GEN]Life Sciences [q-bio]/Genetics |
description |
International audience Salmonids rank among the most socioeconomically valuable fishes and the most targeted species by stocking with hatchery-reared individuals. Here, we used molecular parentage analysis to assess the reproductive success of wild- and hatchery-born Atlantic salmon over three consecutive years in a small river in Que ´ bec. Yearly restocking in this river follows a single generation of captive breeding. Among the adults returning to the river to spawn, between 11% and 41% each year were born in hatchery. Their relative reproductive success (RRS) was nearly half that of wild-born fish (0.55). RRS varied with life stage, being 0.71 for fish released at the fry stage and 0.42 for fish released as smolt. The lower reproductive success of salmon released as smolt was partly mediated by the modification of the proportion of single-sea-winter/multi-sea-winter fish. Over- all, our results suggest that modifications in survival and growth rates alter the life-history strategies of these fish at the cost of their reproductive success. Our results underline the potential fitness decrease, warn on long-term evolutionary consequences for the population of repeated stocking and support the adoption of more natural rearing conditions for captive juveniles and their release at a younger stage, such as unfed fry. |
author2 |
Institut de Biologie Intégrative et des Systèmes Québec (IBIS) Université Laval Québec (ULaval) This research was financially supported by a Natural Sciences and Engineering Research Council of Canada grant (strategic program) to J.J.D. and L. B., and a grant from Reseau Aquaculture Quebec to C. Perrier. This work is a contribution to the research program of CIRSA (Centre Interuniversitaire de recherche sur le Saumon Atlantique). |
format |
Article in Journal/Newspaper |
author |
Milot, Emmanuel Perrier, Charles Papillon, Lucie Dodson, Julian Bernatchez, Louis |
author_facet |
Milot, Emmanuel Perrier, Charles Papillon, Lucie Dodson, Julian Bernatchez, Louis |
author_sort |
Milot, Emmanuel |
title |
Reduced fitness of Atlantic salmon released in the wild after one generation of captive breeding |
title_short |
Reduced fitness of Atlantic salmon released in the wild after one generation of captive breeding |
title_full |
Reduced fitness of Atlantic salmon released in the wild after one generation of captive breeding |
title_fullStr |
Reduced fitness of Atlantic salmon released in the wild after one generation of captive breeding |
title_full_unstemmed |
Reduced fitness of Atlantic salmon released in the wild after one generation of captive breeding |
title_sort |
reduced fitness of atlantic salmon released in the wild after one generation of captive breeding |
publisher |
HAL CCSD |
publishDate |
2013 |
url |
https://hal.inrae.fr/hal-02921390 https://hal.inrae.fr/hal-02921390/document https://hal.inrae.fr/hal-02921390/file/eva.12028.pdf https://doi.org/10.1111/eva.12028 |
genre |
Atlantic salmon |
genre_facet |
Atlantic salmon |
op_source |
ISSN: 1752-4563 EISSN: 1752-4571 Evolutionary Applications https://hal.inrae.fr/hal-02921390 Evolutionary Applications, Blackwell, 2013, 6 (3), pp.472-485. ⟨10.1111/eva.12028⟩ https://onlinelibrary.wiley.com/doi/full/10.1111/eva.12028 |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1111/eva.12028 info:eu-repo/semantics/altIdentifier/pmid/23745139 hal-02921390 https://hal.inrae.fr/hal-02921390 https://hal.inrae.fr/hal-02921390/document https://hal.inrae.fr/hal-02921390/file/eva.12028.pdf doi:10.1111/eva.12028 PUBMED: 23745139 WOS: 000316957800007 |
op_rights |
http://creativecommons.org/licenses/by/ info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1111/eva.12028 |
container_title |
Evolutionary Applications |
container_volume |
6 |
container_issue |
3 |
container_start_page |
472 |
op_container_end_page |
485 |
_version_ |
1766362052093280256 |