Survival and local recruitment are driven by environmental carry-over effects from the wintering area in a migratory seabird

We estimated annual apparent survival rates, as well as local recruitment rates in different age groups and for different breeding status in the common tern Sterna hirundo using mark–recapture analysis on a long-term individual-based dataset from a breeding colony in Germany. Strong inter-annual var...

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Bibliographic Details
Published in:Oecologia 2015-07, Vol.178 (3), p.643-657
Main Authors: Szostek, K. Lesley, Becker, Peter H
Format: Article
Language:English
Subjects:
Analysis
Animal Migration
Animals
Annual variations
Aquatic birds
Biomedical and Life Sciences
Breeding
breeding season
Breeding seasons
Breeding status
Charadriiformes - physiology
Climate
data collection
Ecology
Environment
Feeding Behavior
fish
Germany
Global climate
HIGHLIGHTED STUDENT RESEARCH
Humans
Hydrology/Water Resources
Life Sciences
Marine
mark-recapture studies
migratory behavior
Natural cycles
North Atlantic Oscillation
Plant Sciences
Population Density
Population Dynamics
primary productivity
probability
seabirds
Seasons
Sexual Behavior, Animal
Southern Oscillation
Sterna hirundo
Survival
survival rate
winter
wintering grounds
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Summary:We estimated annual apparent survival rates, as well as local recruitment rates in different age groups and for different breeding status in the common tern Sterna hirundo using mark–recapture analysis on a long-term individual-based dataset from a breeding colony in Germany. Strong inter-annual variability in survival rates became apparent, especially in prospectors. Local recruitment also varied strongly between years and age groups. To explain these fluctuations, we linked survival and recruitment estimates to several environmental covariates expected to be limiting during the wintering period and migration, including the global climate indices of North Atlantic Oscillation and Southern Oscillation, fish abundance indices, and marine primary productivity in the West African wintering area. Contrary to expectations, global indices did not seem to be linked strongly to vital rates. Results showed that primary productivity had the strongest effect on annual survival, especially in young and inexperienced individuals. Primary productivity in the wintering area was also strongly associated with the probability of recruitment in the following breeding season, indicating that conditions during winter can have carry-over effects on the life cycle of individuals.
ISSN:0029-8549
1432-1939
DOI:10.1007/s00442-015-3298-2