Blar i Artikkel - fagfellevurdert vitenskapelig / Articles - peer-reviewed på forfatter "Hagen, Bjørn Roar"
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Declining reproductive output in capercaillie and black grouse – 16 countries and 80 years
Jahren, Torfinn; Storaas, Torstein; Willebrand, Tomas; Moa, Pål Fossland; Hagen, Bjørn Roar (Journal article; Peer reviewed, 2016)Declines in populations of capercaillie (Tetrao urogallus) and black grouse (Lyrurus tetrix) have been reported from both Central Europe and the continuous boreal forests of Fennoscandia. While intensified land-use is ... -
Scavenging on a pulsed resource: quality matters for corvids but density for mammals
Gomo, Gjermund; Mattisson, Jenny; Hagen, Bjørn Roar; Moa, Pål Fossland; Willebrand, Tomas (Journal article; Peer reviewed, 2017)Background: Human food subsidies can provide predictable food sources in large quantities for wildlife species worldwide. In the boreal forest of Fennoscandia, gut piles from moose (Alces alces) harvest provide a potentially ...