Blar i forfatter "Sokolov, Vasily"

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    • Bird communities of the Arctic shrub tundra of Yamal: habitat specialists and generalists 

      Sokolov, Vasily; Ehrich, Dorothee; Yoccoz, Nigel; Sokolov, Alexander; Lecomte, Nicolas (Journal article; Tidsskriftartikkel; Peer reviewed, 2012)
      The ratio of habitat generalists to specialists in birds has been suggested as a good indicator of ecosystem changes due to e.g. climate change and other anthropogenic perturbations. Most studies focusing on this functional component of biodiversity originate, however, from temperate regions. The Eurasian Arctic tundra is currently experiencing an unprecedented combination of climate change, change ...

    • Red fox takeover of arctic fox breeding den : an observation from Yamal Peninsula, Russia 

      Rodnikova, Anna; Ims, Rolf Anker; Sokolov, Alexander; Skogstad, Gunhild; Sokolov, Vasily; Shtro, Victor; Fuglei, Eva (Journal article; Tidsskriftartikkel; Peer reviewed, 2011)
      Here, we report from the first direct observation of a red fox (Vulpes vulpes) intrusion on an arctic fox (Vulpes lagopus) breeding den from the southern Arctic tundra of Yamal Peninsula, Russia in 2007. At the same time, as a current range retraction of the original inhabitant of the circumpolar tundra zone the arctic fox is going on, the red fox is expanding their range from the south into arctic ...