Abstract：
:Under climate warming, migratory birds should align reproduction dates with advancing plant and arthropod phenology. To arrive on the breeding grounds earlier, migrants may speed up spring migration by curtailing the time spent en route, possibly at the cost of decreased survival rates. Based on a decades-long series of observations along an entire flyway, we show that when refuelling time is limited, variation in food abundance in the spring staging area affects fitness. Bar-tailed godwits migrating from West Africa to the Siberian Arctic reduce refuelling time at their European staging site and thus maintain a close match between breeding and tundra phenology. Annual survival probability decreases with shorter refuelling times, but correlates positively with refuelling rate, which in turn is correlated with food abundance in the staging area. This chain of effects implies that conditions in the temperate zone determine the ability of godwits to cope with climate-related changes in the Arctic.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Rakhimberdiev E,Duijns S,Karagicheva J,Camphuysen CJ,VRS Castricum.,Dekinga A,Dekker R,Gavrilov A,Ten Horn J,Jukema J,Saveliev A,Soloviev M,Tibbitts TL,van Gils JA,Piersma Tdoi
10.1038/s41467-018-06673-5subject
Has Abstractpub_date
2018-10-15 00:00:00pages
4263issue
1issn
2041-1723pii
10.1038/s41467-018-06673-5journal_volume
9pub_type
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