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Article
Ruben C. Fijn, Auteur ; Karen L. Krijgsveld, Auteur ; Martin J. M. Poot, Auteur ; Sjoerd Dirksen, AuteurAssessing the impacts of avian collisions with wind turbines requires reliable estimates of avian flight intensities and altitudes, to enable accurate estimation of collision rates, avoidance rates and related effects on populations. At sea, obt[...]
Article
Ruben C. Fijn, Auteur ; Karen L. Krijgsveld, Auteur ; Martin J. M. Poot, Auteur ; Sjoerd Dirksen, AuteurAssessing the impacts of avian collisions with wind turbines requires reliable estimates of avian flight intensities and altitudes, to enable accurate estimation of collision rates, avoidance rates and related effects on populations. At sea, obt[...]
Article
Karen L. Krijgsveld, Auteur ; Kirsten Akershoek, Auteur ; Femke Schenk, Auteur ; Femke Dijk, Auteur ; Sjoerd Dirksen, AuteurWe studied collision rate of birds with modern, large 1.65 MW wind turbines in three wind farms in The Netherlands during three months in autumn and winter. Collision rate, after correction for retrieval and disappearance rate, was 0.08 birds pe[...]
Article
Karen L. Krijgsveld, Auteur ; Robert E. Ricklefs, Auteur ; G. Henk Visser, AuteurWe measured daily energy expenditure (DEE) during the development periods of precocial chicks of five species of Arctic shorebirds spanning a broad range in size, in order to investigate the relationships between DEE, body size, and growth rate.[...]
Article
Ruben C. Fijn, Auteur ; Karen L. Krijgsveld, Auteur ; Wim Tijsen, Auteur ; Hein A. M. Prinsen, Auteur ; Sjoerd Dirksen, AuteurDans Wildfowl (62 2012)Each winter similar to 30% of the Northwest European Bewick's Swan Cygnus columbianus bewickii population feeds in Polder Wieringermeer, the Netherlands, on waste crops left after the harvest. The area has also become important for generating en[...]
