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dc.contributor.authorNilsson, Anna
dc.contributor.authorSkaugen, Thomas
dc.contributor.authorReitan, Trond
dc.contributor.authorLAbée-Lund, Jan Henning
dc.contributor.authorGamelon, Marlène
dc.contributor.authorJerstad, Kurt
dc.contributor.authorRøstad, Ole Wiggo
dc.contributor.authorSlagsvold, Tore
dc.contributor.authorStenseth, Nils Christian
dc.contributor.authorVøllestad, Leif Asbjørn
dc.contributor.authorWalseng, Bjørn
dc.date.accessioned2020-12-22T12:07:37Z
dc.date.available2020-12-22T12:07:37Z
dc.date.created2020-12-17T17:06:46Z
dc.date.issued2020
dc.identifier.citationBMC Ecology. 2020, 20, .en_US
dc.identifier.issn1472-6785
dc.identifier.urihttps://hdl.handle.net/11250/2720780
dc.description.abstractBackground: Earlier breeding is one of the strongest responses to global change in birds and is a key factor determining reproductive success. In most studies of climate effects, the focus has been on large-scale environmental indices or temperature averaged over large geographical areas, neglecting that animals are affected by the local conditions in their home ranges. In riverine ecosystems, climate change is altering the flow regime, in addition to changes resulting from the increasing demand for renewable and clean hydropower. Together with increasing temperatures, this can lead to shifts in the time window available for successful breeding of birds associated with the riverine habitat. Here, we investigated specifically how the environmental conditions at the territory level influence timing of breeding in a passerine bird with an aquatic lifestyle, the white-throated dipper Cinclus cinclus. We relate daily river discharge and other important hydrological parameters, to a long-term dataset of breeding phenology (1978–2015) in a natural river system. Results: Dippers bred earlier when winter river discharge and groundwater levels in the weeks prior to breeding were high, and when there was little snow in the catchment area. Breeding was also earlier at lower altitudes, although the effect dramatically declined over the period. This suggests that territories at higher altitudes had more open water in winter later in the study period, which permitted early breeding also here. Unexpectedly, the largest effect inducing earlier breeding time was territory river discharge during the winter months and not immediately prior to breeding. The territory river discharge also increased during the study period. Conclusions: The observed earlier breeding can thus be interpreted as a response to climate change. Measuring environmental variation at the scale of the territory thus provides detailed information about the interactions between organisms and the abiotic environment. Breeding phenology, Climate change, Environmental heterogeneity, Hydropower, Long-term study, Passerine bird, River discharge, Snow, Spatial scale, Streamen_US
dc.language.isonoben_US
dc.publisherBioMed Centralen_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no*
dc.titleHydrology influences breeding time in the white‑throated dipperen_US
dc.typePeer revieweden_US
dc.typeJournal articleen_US
dc.description.versionpublishedVersionen_US
dc.subject.nsiVDP::Zoologiske og botaniske fag: 480en_US
dc.subject.nsiVDP::Zoology and botany: 480en_US
dc.source.volume20en_US
dc.source.journalBMC Ecologyen_US
dc.source.issue70en_US
dc.identifier.doi10.1186/s12898-020-00338-y
dc.identifier.cristin1861263
dc.relation.projectAndre: Norwegian Water Resources and Energy Directorateen_US
dc.relation.projectNorges forskningsråd: 223257en_US
dc.description.localcodeOpen Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.en_US
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cristin.fulltextoriginal
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