Browsing Norsk institutt for naturforskning by Author "Hagen, Bjørn-Roar"
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Survival and cause-specific mortality of harvested willow ptarmigan (Lagopus lagopus) in central Norway
Israelsen, Markus Fjellstad; Eriksen, Lasse Frost; Moa, Pål Fossland; Hagen, Bjørn-Roar; Nilsen, Erlend Birkeland (Peer reviewed; Journal article, 2020)Survival is a key demographic component that often varies as a result of human activities such as recreational harvest. Detailed understanding of seasonal variation in mortality patterns and the role of various risk factors ... -
Survival and Migration of Rock Ptarmigan in Central Scandinavia
Nilsen, Erlend Birkeland; Moa, Pål Fossland; Brøseth, Henrik; Pedersen, Hans Christian; Hagen, Bjørn-Roar (Peer reviewed; Journal article, 2020)In a world undergoing massive declines in the distribution and abundance of many wildlife species, documenting basic ecological characteristics is often needed to be able to understand and potentially mitigate current and ...