Blar i NTNU Open på forfatter "Lorentzen, Jon Runar"
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Marine Biomass Consumption by Wild Svalbard Reindeer: Fecal Stable Isotope Analysis as a Tool to Detect Climate Change Effects
Lorentzen, Jon Runar (Master thesis, 2015)Climate change in the Arctic is becoming evident with increased winter temperatures and changes in precipitation already perturbing Arctic ecosystems. Warm spells with rainfall in winter, also known as rain on snow (ROS) ... -
Reindeer turning maritime: Ice-locked tundra triggers changes in dietary niche utilization
Hansen, Brage Bremset; Lorentzen, Jon Runar; Welker, Jeffrey M.; Varpe, Øystein; Aanes, Ronny; Beumer, Larissa Teresa; Pedersen, Åshild Ø. (Journal article; Peer reviewed, 2019)The rapid warming of the Arctic may not only alter species’ abundances and distributions, but likely also the trophic interactions within and between ecosystems. On the high‐arctic tundra, extreme warm spells and associated ...