TY - JOUR
T1 - Costs of migratory decisions
T2 - A comparison across eight white stork populations
AU - Flack, Andrea
AU - Fiedler, Wolfgang
AU - Blas, Julio
AU - Pokrovsky, Ivan
AU - Kaatz, Michael
AU - Mitropolsky, Maxim
AU - Aghababyan, Karen
AU - Fakriadis, Ioannis
AU - Makrigianni, Eleni
AU - Jerzak, Leszek
AU - Azafzaf, Hichem
AU - Feltrup-Azafzaf, Claudia
AU - Rotics, Shay
AU - Mokotjomela, Thabiso M.
AU - Nathan, Ran
AU - Wikelski, Martin
N1 - Publisher Copyright:
© The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science.
PY - 2016/1
Y1 - 2016/1
N2 - Annual migratory movements can range from a few tens to thousands of kilometers, creating unique energetic requirements for each specific species and journey. Even within the same species, migration costs can vary largely because of flexible, opportunistic life history strategies. We uncover the large extent of variation in the lifetime migratory decisions of young white storks originating from eight populations. Not only did juvenile storks differ in their geographically distinct wintering locations, their diverse migration patterns also affected the amount of energy individuals invested for locomotion during the first months of their life. Overwintering in areas with higher human population reduced the stork's overall energy expenditure because of shorter daily foraging trips, closer wintering grounds, or a complete suppression of migration. Because migrants can change ecological processes in several distinct communities simultaneously, understanding their life history decisions helps not only to protect migratory species but also to conserve stable ecosystems.
AB - Annual migratory movements can range from a few tens to thousands of kilometers, creating unique energetic requirements for each specific species and journey. Even within the same species, migration costs can vary largely because of flexible, opportunistic life history strategies. We uncover the large extent of variation in the lifetime migratory decisions of young white storks originating from eight populations. Not only did juvenile storks differ in their geographically distinct wintering locations, their diverse migration patterns also affected the amount of energy individuals invested for locomotion during the first months of their life. Overwintering in areas with higher human population reduced the stork's overall energy expenditure because of shorter daily foraging trips, closer wintering grounds, or a complete suppression of migration. Because migrants can change ecological processes in several distinct communities simultaneously, understanding their life history decisions helps not only to protect migratory species but also to conserve stable ecosystems.
UR - http://www.scopus.com/inward/record.url?scp=84974545850&partnerID=8YFLogxK
U2 - 10.1126/sciadv.1500931
DO - 10.1126/sciadv.1500931
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C2 - 26844294
AN - SCOPUS:84974545850
SN - 2375-2548
VL - 2
JO - Science advances
JF - Science advances
IS - 1
M1 - e1500931
ER -