Differential mortality of birds killed at wind farms in Northern Portugal.

The Skylark Alauda arvensis had the highest overall mortality in ten Northern Portuguese wind farms surveyed between 2006 and 2011. Analysis from the integration of conventional and molecular techniques suggest a sex and age biased mortality affecting mainly adult males (90.9%), which may be related...

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Bibliographic Details
Published in:Bird Study
Main Authors: Morinha, Francisco, Travassos, Paulo, Seixas, Fernanda, Martins, Ana, Bastos, Rita, Carvalho, Diogo, Magalhães, Paula, Santos, Mário, Bastos, Estela, Cabral, João Alexandre
Format: Article in Journal/Newspaper
Language:English
Published: Taylor & Francis 2014
Subjects:
Differential mortality
Northern Portugal
Birds killed
Wind farms
Alauda arvensis
Online Access:http://hdl.handle.net/10348/4300
https://doi.org/10.1080/00063657.2014.883357
Description
Summary:The Skylark Alauda arvensis had the highest overall mortality in ten Northern Portuguese wind farms surveyed between 2006 and 2011. Analysis from the integration of conventional and molecular techniques suggest a sex and age biased mortality affecting mainly adult males (90.9%), which may be related to their characteristic breeding male song-flights making them highly vulnerable to collision with wind turbines. The results highlight the added value of more complete population impact assessments that go beyond simple carcass identification at wind farms.

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