Ontogenetic selection on hatchery salmon in the wild: natural selection on artificial phenotypes
Abstract Captive rearing often alters the phenotypes of organisms that are destined for release into the wild. Natural selection on these unnatural phenotypes could have important consequences for the utility of captive rearing as a restoration approach. We show that normal hatchery practices signif...
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crwiley:10.1111/j.1752-4571.2009.00115.x 2023-12-03T10:19:40+01:00 Ontogenetic selection on hatchery salmon in the wild: natural selection on artificial phenotypes Bailey, Michael M. Lachapelle, Kevin A. Kinnison, Michael T. 2010 http://dx.doi.org/10.1111/j.1752-4571.2009.00115.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1752-4571.2009.00115.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1752-4571.2009.00115.x en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Evolutionary Applications volume 3, issue 4, page 340-351 ISSN 1752-4571 1752-4571 General Agricultural and Biological Sciences Genetics Ecology, Evolution, Behavior and Systematics journal-article 2010 crwiley https://doi.org/10.1111/j.1752-4571.2009.00115.x 2023-11-09T13:38:39Z Abstract Captive rearing often alters the phenotypes of organisms that are destined for release into the wild. Natural selection on these unnatural phenotypes could have important consequences for the utility of captive rearing as a restoration approach. We show that normal hatchery practices significantly advance the development of endangered Atlantic salmon ( Salmo salar ) fry by 30+ days. As a result, hatchery fry might be expected to face strong natural selection resulting from their developmental asynchrony. We investigated patterns of ontogenetic selection acting on hatchery produced salmon fry by experimentally manipulating fry development stage at stocking. Contrary to simple predictions, we found evidence for strong stabilizing selection on the ontogeny of unfed hatchery fry, with weaker evidence for positive directional selection on the ontogeny of fed fry. These selection patterns suggest a seasonally independent tradeoff between abiotic or biotic selection favoring advanced development and physiological selection linked to risk of starvation in unfed fry. We show, through a heuristic exercise, how such selection on ontogeny may exacerbate problems in restoration efforts by impairing fry productivity and reducing effective population sizes by 13–81%. Article in Journal/Newspaper Atlantic salmon Salmo salar Wiley Online Library (via Crossref) Evolutionary Applications 3 4 340 351 |
institution |
Open Polar |
collection |
Wiley Online Library (via Crossref) |
op_collection_id |
crwiley |
language |
English |
topic |
General Agricultural and Biological Sciences Genetics Ecology, Evolution, Behavior and Systematics |
spellingShingle |
General Agricultural and Biological Sciences Genetics Ecology, Evolution, Behavior and Systematics Bailey, Michael M. Lachapelle, Kevin A. Kinnison, Michael T. Ontogenetic selection on hatchery salmon in the wild: natural selection on artificial phenotypes |
topic_facet |
General Agricultural and Biological Sciences Genetics Ecology, Evolution, Behavior and Systematics |
description |
Abstract Captive rearing often alters the phenotypes of organisms that are destined for release into the wild. Natural selection on these unnatural phenotypes could have important consequences for the utility of captive rearing as a restoration approach. We show that normal hatchery practices significantly advance the development of endangered Atlantic salmon ( Salmo salar ) fry by 30+ days. As a result, hatchery fry might be expected to face strong natural selection resulting from their developmental asynchrony. We investigated patterns of ontogenetic selection acting on hatchery produced salmon fry by experimentally manipulating fry development stage at stocking. Contrary to simple predictions, we found evidence for strong stabilizing selection on the ontogeny of unfed hatchery fry, with weaker evidence for positive directional selection on the ontogeny of fed fry. These selection patterns suggest a seasonally independent tradeoff between abiotic or biotic selection favoring advanced development and physiological selection linked to risk of starvation in unfed fry. We show, through a heuristic exercise, how such selection on ontogeny may exacerbate problems in restoration efforts by impairing fry productivity and reducing effective population sizes by 13–81%. |
format |
Article in Journal/Newspaper |
author |
Bailey, Michael M. Lachapelle, Kevin A. Kinnison, Michael T. |
author_facet |
Bailey, Michael M. Lachapelle, Kevin A. Kinnison, Michael T. |
author_sort |
Bailey, Michael M. |
title |
Ontogenetic selection on hatchery salmon in the wild: natural selection on artificial phenotypes |
title_short |
Ontogenetic selection on hatchery salmon in the wild: natural selection on artificial phenotypes |
title_full |
Ontogenetic selection on hatchery salmon in the wild: natural selection on artificial phenotypes |
title_fullStr |
Ontogenetic selection on hatchery salmon in the wild: natural selection on artificial phenotypes |
title_full_unstemmed |
Ontogenetic selection on hatchery salmon in the wild: natural selection on artificial phenotypes |
title_sort |
ontogenetic selection on hatchery salmon in the wild: natural selection on artificial phenotypes |
publisher |
Wiley |
publishDate |
2010 |
url |
http://dx.doi.org/10.1111/j.1752-4571.2009.00115.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1752-4571.2009.00115.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1752-4571.2009.00115.x |
genre |
Atlantic salmon Salmo salar |
genre_facet |
Atlantic salmon Salmo salar |
op_source |
Evolutionary Applications volume 3, issue 4, page 340-351 ISSN 1752-4571 1752-4571 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/j.1752-4571.2009.00115.x |
container_title |
Evolutionary Applications |
container_volume |
3 |
container_issue |
4 |
container_start_page |
340 |
op_container_end_page |
351 |
_version_ |
1784267025238982656 |