Adult survival of Black‐legged Kittiwakes Rissa tridactylain a Pacific colony
Breeding Black‐legged Kittiwakes Rissa tridactyla survived at a mean annual rate of 0.926 in four years at a colony in Alaska. Survival rates observed in sexed males (0.930) and females (0.937) did not differ significantly. The rate of return among nonbreeding Kittiwakes (0.839) was lower than that...
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crwiley:10.1111/j.1474-919x.1993.tb02841.x 2024-09-15T18:32:25+00:00 Adult survival of Black‐legged Kittiwakes Rissa tridactylain a Pacific colony HATCH, SCOTT A. ROBERTS, BAY D. FADELY, BRIAN S. 1993 http://dx.doi.org/10.1111/j.1474-919x.1993.tb02841.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1474-919X.1993.tb02841.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1474-919X.1993.tb02841.x en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Ibis volume 135, issue 3, page 247-254 ISSN 0019-1019 1474-919X journal-article 1993 crwiley https://doi.org/10.1111/j.1474-919x.1993.tb02841.x 2024-07-04T04:30:50Z Breeding Black‐legged Kittiwakes Rissa tridactyla survived at a mean annual rate of 0.926 in four years at a colony in Alaska. Survival rates observed in sexed males (0.930) and females (0.937) did not differ significantly. The rate of return among nonbreeding Kittiwakes (0.839) was lower than that of known breeders, presumably because more nonbreeders moved away from the study plots where they were marked. Individual nonbreeders frequented sites up to 5 km apart on the same island, while a few established breeders moved up to 2.5 km between years. Mate retention in breeding Kittiwakes averaged 69% in three years. Among pairs that split, the cause of changing mates was about equally divided between death (46%) and divorce (54%). Average adult life expectancy was estimated at 13.0 years. Combined with annual productivity averaging 0.17 chick per nest, the observed survival was insufficient for maintaining population size. Rather, an irregular decline observed in the study colony since 1981 is consistent with the model of a closed population with little or no recruitment. Compared to their Atlantic counterparts, Pacific Kittiwakes have low productivity and high survival. The question arises whether differences reflect phenotypic plasticity or genetically determined variation in population parameters. Article in Journal/Newspaper rissa tridactyla Alaska Wiley Online Library Ibis 135 3 247 254 |
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Wiley Online Library |
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crwiley |
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English |
description |
Breeding Black‐legged Kittiwakes Rissa tridactyla survived at a mean annual rate of 0.926 in four years at a colony in Alaska. Survival rates observed in sexed males (0.930) and females (0.937) did not differ significantly. The rate of return among nonbreeding Kittiwakes (0.839) was lower than that of known breeders, presumably because more nonbreeders moved away from the study plots where they were marked. Individual nonbreeders frequented sites up to 5 km apart on the same island, while a few established breeders moved up to 2.5 km between years. Mate retention in breeding Kittiwakes averaged 69% in three years. Among pairs that split, the cause of changing mates was about equally divided between death (46%) and divorce (54%). Average adult life expectancy was estimated at 13.0 years. Combined with annual productivity averaging 0.17 chick per nest, the observed survival was insufficient for maintaining population size. Rather, an irregular decline observed in the study colony since 1981 is consistent with the model of a closed population with little or no recruitment. Compared to their Atlantic counterparts, Pacific Kittiwakes have low productivity and high survival. The question arises whether differences reflect phenotypic plasticity or genetically determined variation in population parameters. |
format |
Article in Journal/Newspaper |
author |
HATCH, SCOTT A. ROBERTS, BAY D. FADELY, BRIAN S. |
spellingShingle |
HATCH, SCOTT A. ROBERTS, BAY D. FADELY, BRIAN S. Adult survival of Black‐legged Kittiwakes Rissa tridactylain a Pacific colony |
author_facet |
HATCH, SCOTT A. ROBERTS, BAY D. FADELY, BRIAN S. |
author_sort |
HATCH, SCOTT A. |
title |
Adult survival of Black‐legged Kittiwakes Rissa tridactylain a Pacific colony |
title_short |
Adult survival of Black‐legged Kittiwakes Rissa tridactylain a Pacific colony |
title_full |
Adult survival of Black‐legged Kittiwakes Rissa tridactylain a Pacific colony |
title_fullStr |
Adult survival of Black‐legged Kittiwakes Rissa tridactylain a Pacific colony |
title_full_unstemmed |
Adult survival of Black‐legged Kittiwakes Rissa tridactylain a Pacific colony |
title_sort |
adult survival of black‐legged kittiwakes rissa tridactylain a pacific colony |
publisher |
Wiley |
publishDate |
1993 |
url |
http://dx.doi.org/10.1111/j.1474-919x.1993.tb02841.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1474-919X.1993.tb02841.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1474-919X.1993.tb02841.x |
genre |
rissa tridactyla Alaska |
genre_facet |
rissa tridactyla Alaska |
op_source |
Ibis volume 135, issue 3, page 247-254 ISSN 0019-1019 1474-919X |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/j.1474-919x.1993.tb02841.x |
container_title |
Ibis |
container_volume |
135 |
container_issue |
3 |
container_start_page |
247 |
op_container_end_page |
254 |
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1810474128731275264 |