Timing games in the reproductive phenology of female Pacific salmon (Oncorhynchus spp.)
We use a game-theoretic framework to investigate the reproductive phenology of female kokanee (Oncorhynchus nerka). As in the other semelparous species of Pacific salmon, females construct nests in gravel, spawn with males, bury their fertilized eggs, and defend their nest sites until they die sever...
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Language: | English |
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Online Access: | https://research.wur.nl/en/publications/timing-games-in-the-reproductive-phenology-of-female-pacific-salm https://doi.org/10.1086/345785 |
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ftunivwagenin:oai:library.wur.nl:wurpubs/375452 2024-02-04T10:03:57+01:00 Timing games in the reproductive phenology of female Pacific salmon (Oncorhynchus spp.) Morbey, Y.E. Ydenberg, R.C. 2003 application/pdf https://research.wur.nl/en/publications/timing-games-in-the-reproductive-phenology-of-female-pacific-salm https://doi.org/10.1086/345785 en eng https://edepot.wur.nl/455 https://research.wur.nl/en/publications/timing-games-in-the-reproductive-phenology-of-female-pacific-salm doi:10.1086/345785 info:eu-repo/semantics/restrictedAccess Wageningen University & Research American Naturalist 161 (2003) 2 ISSN: 0003-0147 body-size breeding competition density-dependence habitat kisutch life-history natural-selection nerka pink-salmon sockeye-salmon info:eu-repo/semantics/article Article/Letter to editor info:eu-repo/semantics/publishedVersion 2003 ftunivwagenin https://doi.org/10.1086/345785 2024-01-10T23:27:00Z We use a game-theoretic framework to investigate the reproductive phenology of female kokanee (Oncorhynchus nerka). As in the other semelparous species of Pacific salmon, females construct nests in gravel, spawn with males, bury their fertilized eggs, and defend their nest sites until they die several days later. Later-breeding females may reuse previous nest sites, and their digging behavior is thought to subject previously buried eggs to mortality. Using game-theoretic models, we show that females can reduce this risk by allocating resources to longevity (the period between arrival and death) as opposed to eggs. Waiting before territory settlement is also expected if it allows females to conserve energy and delay senescence. The models demonstrate how these costs and benefits interact to select for a seasonal decline in longevity, a well-known phenomenon in the salmonid literature, and a seasonal decline in wait duration. Both of these predictions were supported in a field study of kokanee. Female state of reproductive maturity was the most important proximate factor causing variation in longevity and wait duration. With more than 30% of territories being reused, dig-up is likely an important selective force in this population. Article in Journal/Newspaper Pink salmon Wageningen UR (University & Research Centre): Digital Library Pacific Sockeye ENVELOPE(-130.143,-130.143,54.160,54.160) The American Naturalist 161 2 284 298 |
institution |
Open Polar |
collection |
Wageningen UR (University & Research Centre): Digital Library |
op_collection_id |
ftunivwagenin |
language |
English |
topic |
body-size breeding competition density-dependence habitat kisutch life-history natural-selection nerka pink-salmon sockeye-salmon |
spellingShingle |
body-size breeding competition density-dependence habitat kisutch life-history natural-selection nerka pink-salmon sockeye-salmon Morbey, Y.E. Ydenberg, R.C. Timing games in the reproductive phenology of female Pacific salmon (Oncorhynchus spp.) |
topic_facet |
body-size breeding competition density-dependence habitat kisutch life-history natural-selection nerka pink-salmon sockeye-salmon |
description |
We use a game-theoretic framework to investigate the reproductive phenology of female kokanee (Oncorhynchus nerka). As in the other semelparous species of Pacific salmon, females construct nests in gravel, spawn with males, bury their fertilized eggs, and defend their nest sites until they die several days later. Later-breeding females may reuse previous nest sites, and their digging behavior is thought to subject previously buried eggs to mortality. Using game-theoretic models, we show that females can reduce this risk by allocating resources to longevity (the period between arrival and death) as opposed to eggs. Waiting before territory settlement is also expected if it allows females to conserve energy and delay senescence. The models demonstrate how these costs and benefits interact to select for a seasonal decline in longevity, a well-known phenomenon in the salmonid literature, and a seasonal decline in wait duration. Both of these predictions were supported in a field study of kokanee. Female state of reproductive maturity was the most important proximate factor causing variation in longevity and wait duration. With more than 30% of territories being reused, dig-up is likely an important selective force in this population. |
format |
Article in Journal/Newspaper |
author |
Morbey, Y.E. Ydenberg, R.C. |
author_facet |
Morbey, Y.E. Ydenberg, R.C. |
author_sort |
Morbey, Y.E. |
title |
Timing games in the reproductive phenology of female Pacific salmon (Oncorhynchus spp.) |
title_short |
Timing games in the reproductive phenology of female Pacific salmon (Oncorhynchus spp.) |
title_full |
Timing games in the reproductive phenology of female Pacific salmon (Oncorhynchus spp.) |
title_fullStr |
Timing games in the reproductive phenology of female Pacific salmon (Oncorhynchus spp.) |
title_full_unstemmed |
Timing games in the reproductive phenology of female Pacific salmon (Oncorhynchus spp.) |
title_sort |
timing games in the reproductive phenology of female pacific salmon (oncorhynchus spp.) |
publishDate |
2003 |
url |
https://research.wur.nl/en/publications/timing-games-in-the-reproductive-phenology-of-female-pacific-salm https://doi.org/10.1086/345785 |
long_lat |
ENVELOPE(-130.143,-130.143,54.160,54.160) |
geographic |
Pacific Sockeye |
geographic_facet |
Pacific Sockeye |
genre |
Pink salmon |
genre_facet |
Pink salmon |
op_source |
American Naturalist 161 (2003) 2 ISSN: 0003-0147 |
op_relation |
https://edepot.wur.nl/455 https://research.wur.nl/en/publications/timing-games-in-the-reproductive-phenology-of-female-pacific-salm doi:10.1086/345785 |
op_rights |
info:eu-repo/semantics/restrictedAccess Wageningen University & Research |
op_doi |
https://doi.org/10.1086/345785 |
container_title |
The American Naturalist |
container_volume |
161 |
container_issue |
2 |
container_start_page |
284 |
op_container_end_page |
298 |
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1789971817852567552 |