Possible changes in favourability areas for montagu´s and hen harriers in Spain according to climate change scenarios

Authors: Alba ESTRADA, Beatriz ARROYO and Ana Luz MÁRQUEZ

Published: Volume 57(Especia, December 2010. Pages 123-128.

Language: English


We modelled the distribution of Montagu’s harrier Circus pygargus and hen harrier Circus cyaneus in Spain under current conditions. Current favourability for Montagu’s harrier was highest throughout Western Spain, whilst for hen harrier it was concentrated in the Northern half of Spain. We also calculated their future climatic favourability according to two climate scenarios. Both forecast a contraction of the favourable areas for both species during future periods. Specifically, the model for the Montagu’s harrier forecast that high favourability areas will be concentrated in Castilla y León, and in the case of hen harriers in the Northern mountain areas of Spain.

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