Barnacle goose Branta leucopsis derogation shooting effort in relation to abundance and vulnerable crops

Autor: Heldbjerg, Henning, Clausen, Kevin K., Balsby, Thorsten J.S., Clausen, Preben, Nielsen, Rasmus D., Skov, Flemming, Nyegaard, Timme, Madsen, Jesper

Publikováno v: In Agriculture, Ecosystems and Environment 28 February 2022 325

The decline of the Starling Sturnus vulgaris in Denmark is related to changes in grassland extent and intensity of cattle grazing

Autor: Heldbjerg, Henning, Fox, Anthony D., Levin, Gregor, Nyegaard, Timme

Publikováno v: In Agriculture, Ecosystems and Environment 16 August 2016 230:24-31

Increase in abundance and distribution of wintering barnacle geese in Denmark

Autor: Nyegaard, Timme, Heldbjerg, Henning

Publikováno v: Nyegaard, T & Heldbjerg, H 2019, Increase in abundance and distribution of wintering barnacle geese in Denmark . in J E Rabaça, I Roque, R Lourenço & C Godinho (eds), BirdNumbers 2019: counting birds counts : Book of Abstracts of the 21st Conference of the European Bird Census Council . University of Évora, Évora, pp. 141, Bird Numbers 2019, Évora, Portugal, 08/04/2019 . < http://www.ebcc2019.uevora.pt/book-of-abstracts/ >

The population of wintering Barnacle Goose Branta leucopsis in Northwestern Europe has increased enormously during the last decades. A large proportion of these occur in Denmark during winter. These birds are part of the Russian/Northwest European po

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Invasive alien birds in Denmark

Autor: Fox, Anthony David, Heldbjerg, Henning, Nyegaard, Timme

Publikováno v: Nyegaard, T, Heldbjerg, H & Fox, A D 2016, ' Invasive alien birds in Denmark ', BirdNumbers 2016, Halle, Germany, 05/09/2016-09/09/2016 .
Fox, A D, Heldbjerg, H & Nyegaard, T 2015, ' Invasive alien birds in Denmark ', Dansk Ornitologisk Forenings Tidsskrift, vol. 109, no. 4, pp. 193-205 .

Avian Introduced Alien Species (IAS) constitute a threat to the integrity of native biodiversity, the economy and human health, so here we briefly review some of the problems posed by such species around the world in relation to such bird species in

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Yngleudbredelse af hvepsevåge og rørhøg i 2008

Autor: Pihl, Stefan, Nyegaard, Timme

Publikováno v: Pihl, S & Nyegaard, T 2010, ' Yngleudbredelse af hvepsevåge og rørhøg i 2008 ', Fugle i Felten, nr. 1, s. 10-11 .

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