The Indo-European flyway: Opportunities and constraints reflected by Common Rosefinches breeding across Europe

0541113 - ÚBO 2022 RIV GB eng J - Článek v odborném periodiku
Lisovski, S. - Neumann, R. - Albrecht, Tomáš - Munclinger, P. - Ahola, M. P. - Bauer, S. - Cepák, J. - Fransson, T. - Jakobsson, S. - Jaakkonen, T. - Klvaňa, P. - Kullberg, C. - Laaksonen, T. - Metzger, B. - Piha, M. - Shurulinkov, P. - Stach, R. - Ström, K. - Velmala, W. - Briedis, M.
The Indo-European flyway: Opportunities and constraints reflected by Common Rosefinches breeding across Europe.
Journal of Biogeography. Roč. 48, č. 6 (2021), s. 1255-1266. ISSN 0305-0270. E-ISSN 1365-2699
Grant CEP: GA ČR GA17-24782S
Institucionální podpora: RVO:68081766
Klíčová slova: Carpodacus erythrinus * ecological barriers * flyways * geolocation * India * long‐ * distance migration * migration strategies * wind support
Obor OECD: Ecology
Impakt faktor: 4.810, rok: 2021
Způsob publikování: Open access
https://onlinelibrary.wiley.com/doi/pdfdirect/10.1111/jbi.14085

Aim: The configuration of the earth's landmasses influences global weather systems and spatiotemporal resource availability, thereby shaping biogeographical patterns and migratory routes of animals. Here, we aim to identify potential migratory barriers and corridors, as well as general migration strategies within the understudied Indo-European flyway.
Location: Europe, Central Asia
Major taxon studied: Common rosefinches
Methods: We used a combination of theoretical optimization modelling and empirical tracking of Common Rosefinches (Carpodacus erythrinus) breeding across a large latitudinal gradient in Europe. First, we identified optimal migration routes driven by wind and resource availability along the Indo‐European flyway. Second, we tracked rosefinches from five breeding populations using light‐level geolocators. Finally, we compared to what extent empirical tracks overlapped with the modelled optimal routes.
Results: In autumn, theoretical wind driven migration routes formed a broad‐front corridor connecting Europe and the Indian Subcontinent while the theoretical resource driven routes formed a distinct north‐south divide. The latter pattern also reflected the rosefinch tracks with all but the most southerly breeding birds making a northern detour towards non‐breeding sites in Pakistan and India. In spring, the resource availability model predicted a similar migratory divide, however, the southern route seemed relatively more favourable and closely matched with the optimal wind driven migration routes. Spring tracking data showed larger overlap with the modelled wind driven migration routes compared to the resource driven routes.
Main conclusions: Optimal wind and resource driven migration routes along the Indo‐European flyway are seasonally specific and to a large extend do not overlap with one another. Under these conditions, migratory birds adopt seasonally distinct migration strategies following energy minimization strategy in autumn, driven by resource availability, and time minimizing strategy in spring, driven by wind conditions. Our optimal migration models can be applied worldwide and used to validate against empirical data to explain large‐scale biogeographic pattern of migratory animals.
Trvalý link: http://hdl.handle.net/11104/0318708


Vědecká data: Movebank Data Repository, Zenodo