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Linking Weather and Phenology to Stopover Dynamics of a Long-Distance Migrant

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dc.contributor Háskóli Íslands
dc.contributor University of Iceland
dc.contributor.author Carneiro, Camilo
dc.contributor.author Gunnarsson, Tomas Gretar
dc.contributor.author Alves, Jose
dc.date.accessioned 2020-12-17T14:17:56Z
dc.date.available 2020-12-17T14:17:56Z
dc.date.issued 2020-06-04
dc.identifier.citation Carneiro C, Gunnarsson TG and Alves JA (2020) Linking Weather and Phenology to Stopover Dynamics of a Long-Distance Migrant. Frontiers in Ecology and Evolution 8:145. doi: 10.3389/fevo.2020.00145
dc.identifier.issn 2296-701X
dc.identifier.uri https://hdl.handle.net/20.500.11815/2302
dc.description Publisher's version (útgefin grein)
dc.description.abstract For many migratory species, migration can represent a significant part of the annual cycle and the strategies used to move between the breeding and non-breeding areas vary considerably. Weather conditions are important during migration, particularly wind and temperature, and can play a crucial role in the timing of events during the annual cycle of migratory birds. When timing of specific events is important, for example spring arrival and laying dates, the effects of weather on the previous migration might lead to important fitness consequences, as it may alter migration speed. During spring, Icelandic whimbrels Numenius phaeopus islandicus display two main migratory behaviors: a direct flight from the wintering to the breeding sites (direct migration), or, more commonly, two flights with one stopover (stopover migration). We investigated how wind conditions, temperature and spring departure date may drive individuals to adopt either migratory behavior. Interestingly, we found no differences in wind support during migratory flights, in temperature closer to Iceland or on crosswinds experienced in the region before reaching the main stopover areas. However, when individuals undertook a direct flight, departure date from the wintering sites was on average later, but this was not explained by wind patterns over a period of 7 days prior to departure. In addition, we explored the variation at the individual level for three birds that changed migratory behavior between years. The differences in all variables for these individuals reflected the variation observed at the population level. Overall, in such long migrations, it seems advantageous to perform a shorter flight to a stopover area, from where the weather conditions in the breeding areas may be assessed and avoid the risk of facing stochastic inclement weather prior to breeding, while synchronizing time of arrival with conspecifics. In contrast, direct flights seem more common when individuals are time pressed.
dc.description.sponsorship This work was funded by RANNIS (Grant Nos: 130412-052 and 152470-052), the University of Iceland Research Fund, FCT/MCTES through national funds to CESAM (UIDP/50017/2020 + UIDB/50017/2020), CC (PD/BD/113534/2015), and JA (SFRH/BPD/91527/2012) and ProPolar.
dc.format.extent 145
dc.language.iso en
dc.publisher Frontiers Media SA
dc.relation.ispartofseries Frontiers in Ecology and Evolution;8
dc.rights info:eu-repo/semantics/openAccess
dc.subject Flight behavior
dc.subject Migration
dc.subject Migration strategy
dc.subject Numenius phaeopus
dc.subject Shorebird
dc.subject Wader
dc.subject Whimbrel
dc.subject Wind
dc.subject Fuglafar
dc.subject Vaðfuglar
dc.subject Veðurfar
dc.title Linking Weather and Phenology to Stopover Dynamics of a Long-Distance Migrant
dc.type info:eu-repo/semantics/article
dcterms.license This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
dc.description.version Peer Reviewed
dc.identifier.journal Frontiers in Ecology and Evolution
dc.identifier.doi 10.3389/fevo.2020.00145
dc.relation.url https://www.frontiersin.org/article/10.3389/fevo.2020.00145/full
dc.contributor.department Rannsóknasetur Suðurlandi (HÍ)
dc.contributor.department Research Centre in South Iceland (UI)

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