Blar i forfatter Artikler, rapporter og annet (UB) "Ims, Rolf Anker"

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    • Predator–prey interactions in the Arctic: DNA metabarcoding reveals that nestling diet of snow buntings reflects arthropod seasonality 

      Stolz, Christian; Varpe, Øystein; Ims, Rolf Anker; Sandercock, Brett Kevin; Stokke, Bård Gunnar; Fossøy, Frode (Journal article; Tidsskriftartikkel, 2023-07-06)
      Tundra arthropods are of considerable ecological importance as a seasonal food source for many arctic-breeding birds. Dietary composition and food preferences are rarely known, complicating assessments of ecological interactions in a changing environment. In our field study, we investigated the nestling diet of snow buntings (Plectrophenax nivalis (L., 1758)) breeding in Svalbard. We collected fecal ...

    • Unfounded claims about productivity beyond density for reindeer pastoralism systems 

      Stien, Audun; Tveraa, Torkild; Ims, Rolf Anker; Stien, Jennifer; Yoccoz, Nigel (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-10-22)
      We point out problems with the article Productivity beyond density: A critique of management models for reindeer pastoralism in Norway by Marin and co-workers published in Pastoralism in 2020. In our opinion, there are several misleading claims about the governance of the reindeer pastoralist system in Norway, the Røros model for herd management and density dependence in reindeer herds in their ...