Fuelling conditions at staging sites can mitigate Arctic warming effects in a migratory bird

Eldar Rakhimberdiev (), Sjoerd Duijns, Julia Karagicheva, Cornelis J. Camphuysen, Anne Dekinga, Rob Dekker, Anatoly Gavrilov, Job Horn, Joop Jukema, Anatoly Saveliev, Mikhail Soloviev, T. Lee Tibbitts, Jan A. Gils and Theunis Piersma ()
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Eldar Rakhimberdiev: NIOZ Royal Netherlands Institute for Sea Research, Department of Coastal Systems and Utrecht University
Sjoerd Duijns: NIOZ Royal Netherlands Institute for Sea Research, Department of Coastal Systems and Utrecht University
Julia Karagicheva: NIOZ Royal Netherlands Institute for Sea Research, Department of Coastal Systems and Utrecht University
Cornelis J. Camphuysen: NIOZ Royal Netherlands Institute for Sea Research, Department of Coastal Systems and Utrecht University
Anne Dekinga: NIOZ Royal Netherlands Institute for Sea Research, Department of Coastal Systems and Utrecht University
Rob Dekker: NIOZ Royal Netherlands Institute for Sea Research, Department of Coastal Systems and Utrecht University
Anatoly Gavrilov: Directorate of Taimyrsky Reserves
Job Horn: NIOZ Royal Netherlands Institute for Sea Research, Department of Coastal Systems and Utrecht University
Joop Jukema: Haerdawei 62
Anatoly Saveliev: Kazan Federal University
Mikhail Soloviev: Lomonosov Moscow State University
T. Lee Tibbitts: 4210 University Drive
Jan A. Gils: NIOZ Royal Netherlands Institute for Sea Research, Department of Coastal Systems and Utrecht University
Theunis Piersma: NIOZ Royal Netherlands Institute for Sea Research, Department of Coastal Systems and Utrecht University

Nature Communications, 2018, vol. 9, issue 1, 1-10

Abstract: 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.

Date: 2018
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DOI: 10.1038/s41467-018-06673-5

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