La Tour du Valat

Article

Change in spring arrival of migratory birds under an era of climate change, Swedish data from the last 140 years

Cecilia Kullberg, Auteur ; Thord Fransson, Auteur ; Johanna Hedlund, Auteur ; Niclas Jonzén, Auteur ; Ola Langvall, Auteur ; Johan Nilsson, Auteur ; Kjell Bolmgren, Auteur

Dans AMBIO (44 JAN 2015)

Many migratory bird species have advanced their spring arrival during the latest decades, most probably due to climate change. However, studies on migratory phenology in the period before recent global warming are scarce. We have analyzed a hist[...]

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Article

Editorial-20 years with Journal of Avian Biology

Johan Nilsson, Auteur ; Thomas Alerstam, Auteur ; Jan-Ake Nilsson, Auteur

Dans Journal of Avian Biology (45(1) JAN 2014)

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Article

Evaluating citizen-based presence data for bird monitoring

Tord Snall, Auteur ; Oskar Kindvall, Auteur ; Johan Nilsson, Auteur ; Tomas Part, Auteur

Dans Biological Conservation (144(2) FEB 2011)

Species monitoring is one key approach to assess human impact on nature. Four main approaches have been applied in bird monitoring: comparing distribution atlases from different times, repeated monitoring programmes, checklist programmes, and sp[...]

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