Comparing the seasonal survival of resident and migratory oystercatchers : carry-over effects of habitat quality and weather conditions

Duriez, Olivier, Ens, Bruno J., Choquet, Rémi, Pradel, Roger and Klaassen, Marcel 2012, Comparing the seasonal survival of resident and migratory oystercatchers : carry-over effects of habitat quality and weather conditions, Oikos, vol. 121, no. 6, pp. 862-873.

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Title Comparing the seasonal survival of resident and migratory oystercatchers : carry-over effects of habitat quality and weather conditions
Author(s) Duriez, Olivier
Ens, Bruno J.
Choquet, Rémi
Pradel, Roger
Klaassen, Marcel
Journal name Oikos
Volume number 121
Issue number 6
Start page 862
End page 873
Total pages 12
Publisher Wiley - Blackwell Publishing
Place of publication Malden, Mass.
Publication date 2012-06
ISSN 0030-1299
1600-0706
Keyword(s) migratory population
breeding site
climate effect
coastal zone
comparative study
food availability
habitat quality
life history trait
Summary Events happening in one season can affect life-history traits at (the) subsequent season(s) by carry-over effects. Wintering conditions are known to affect breeding success, but few studies have investigated carry-over effects on survival. The Eurasian oystercatcher Haematopus ostralegus is a coastal wader with sedentary populations at temperate sites and migratory populations in northern breeding grounds of Europe. We pooled continental European ringing-recovery datasets from 1975 to 2000 to estimate winter and summer survival rates of migrant and resident populations and to investigate long-term effects of winter habitat changes. During mild climatic periods, adults of both migratory and resident populations exhibited survival rates 2% lower in summer than in winter. Severe winters reduced survival rates (down to 25% reduction) and were often followed by a decline in survival during the following summer, via short-term carry-over effects. Habitat changes in the Dutch wintering grounds caused a reduction in food stocks, leading to reduced survival rates, particularly in young birds. Therefore, wintering habitat changes resulted in long-term (>10 years) 8.7 and 9.4% decrease in adult annual survival of migrant and resident populations respectively. Studying the impact of carry-over effects is crucial for understanding the life history of migratory birds and the development of conservation measures.
Language eng
Field of Research 069999 Biological Sciences not elsewhere classified
Socio Economic Objective 970106 Expanding Knowledge in the Biological Sciences
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2012, The Authors, Oikos, Nordic Society Oikos
Persistent URL http://hdl.handle.net/10536/DRO/DU:30046867

Document type: Journal Article
Collection: School of Life and Environmental Sciences
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