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Article
David R. Bradbeer, Auteur ; Camilla Rosenquist, Auteur ; Thomas Kjær Christensen, Auteur ; Anthony D. Fox, AuteurWe here review the collision risks posed by large-bodied, flocking geese to aircraft, exacerbated by recent major increases in northern hemisphere goose populations and air traffic volume. Mitigation of goose–aircraft strike risks requires knowl[...]
Article
Thomas Kjær Christensen, Auteur ; Jesper Madsen, Auteur ; Tommy Asferg, Auteur ; Jens Peder Hounisen, Auteur ; Lars Haugaard, AuteurReliable hunting bag statistics are a prerequisite for sustainable harvest management. Recently, Internet-based hunting bag reporting systems have been introduced in some European countries, e.g. Denmark, which may enable faster and more detaile[...]
Article
Anthony D. Fox, Auteur ; Jón Einar Jónsson, Auteur ; Tomas Aarvak, Auteur ; Thomas Bregnballe, Auteur ; Thomas Kjær Christensen, Auteur ; Kevin Kuhlmann Clausen, Auteur ; Preben Clausen, Auteur ; Lars Dalby, Auteur ; Thomas Eske Holm, Auteur ; Diego Pavon-Jordan, Auteur ; Karsten Laursen, Auteur ; Aleksi Lehikoinen, Auteur ; Svein-Hakon Lorentsen, Auteur ; Anders Pape Møller, Auteur ; Mikael Nordstrom, Auteur ; Markus Ost, Auteur ; Par Soderquist, Auteur ; Ole Roland Therkildsen, AuteurWe review the current and future threats to duck populations that breed, stage, moult and/or winter in the Nordic countries. Migratory duck species are sensitive indicators of their changing environment, and their societal value confirms the nee[...]
Article
Anthony D. Fox, Auteur ; Kevin Kuhlmann Clausen, Auteur ; Lars Dalby, Auteur ; Thomas Kjær Christensen, Auteur ; Peter Sunde, AuteurWe compared age and sex ratios among Eurasian Wigeon Anas penelope derived from Danish field observations and hunter-based shot samples throughout an entire winter. Sex ratios did not differ significantly between the two samples. Overall, first-[...]
Article
Jesper Madsen, Auteur ; Kevin Kuhlmann Clausen, Auteur ; Thomas Kjær Christensen, Auteur ; Fred A. Johnson, AuteurAdjustment of hunting season length is often used to regulate harvest of waterbirds but the effects are disputed. We describe the first results of season length extension on the harvest of the pink-footed goose, which has been selected as the fi[...]
