La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Breeding phenological response to spring weather conditions in common Finnish birds: resident species respond stronger than migratory species
Auteurs :	Edward Kluen, Auteur ; Riikka Nousiainen, Auteur ; Aleksi Lehikoinen, Auteur
Type de document :	Article
Dans :	Journal of Avian Biology (48(5) MAY 2017)
Article en page(s) :	611-619
Langues:	Anglais
Résumé :	National bird-nest record schemes provide a valuable data source to study large-scale changes in basic breeding biology and effects of climate change on birds. Using nest-record scheme data from 26 common Finnish breeding bird species from whole Finland, we estimated the laydate of the first egg for 129 063 nesting attempts. We then investigated the relationship of mean spring temperature and spring precipitation sum to changes in the onset of laying over the period 1961-2012. In addition, we examine differences in response to these climatic variables for species grouped for different life history strategies; migration, diet and habitat. Finally, we test whether body size is related to the strength of phenological response. We show that

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