Browsing USN Open Archive by Author "Strand, Olav"
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Optimal foraging by a large ungulate in an extreme environment: Wild mountain reindeer select snow-free feeding habitats in winter
Romtveit, Lena; Strand, Olav; Mossing, Anders; Kastdalen, Leif; Hjeltnes, Arne William; Bjerketvedt, Dag Kjartan; Odland, Arvid; Heggenes, Jan (Journal article; Peer reviewed, 2021)Optimal foraging models predict that individual animals will optimize net energy gain by intensifying forage activity and/or reducing forage energy cost. Then, the free distribution model predicts an animal's distribution ... -
Wild Mountain reindeer Rangifer tarandus tarandus winter foraging: snow-free areas a key resource for feeding
Holtan, Marijanne; Strand, Olav; Kastdalen, Leif; Bjerketvedt, Dag Kjartan; Odland, Arvid; Pape, Roland; Heggenes, Jan (Peer reviewed; Journal article, 2023)In a landscape with patchily distributed forage resources, an animal’s distribution may reflect the distribution of the resources if the population is forage-limited in time or space. This may be particularly explicit in ...