Browsing NINA Brage by Author "Ringsby, Thor Harald"

Now showing items 1-3 of 3

    • Boat disturbance effects on moulting common eiders Somateria mollissima 

      Dehnhard, Nina; Skei, Jørgen; Christensen-Dalsgaard, Signe; May, Roelof Frans; Halley, Duncan John; Ringsby, Thor Harald; Lorentsen, Svein Håkon (Peer reviewed; Journal article, 2020)
      Ship and boat traffic are increasing sources of disturbance to marine wildlife. During moult, sea ducks are flightless and rely on productive and shallow feeding areas. However, this period coincides with the peak of the ...

    • Climatic forcing and individual heterogeneity in a resident mountain bird: legacy data reveal effects on reproductive strategies 

      Eriksen, Lasse Frost; Ringsby, Thor Harald; Pedersen, Hans Christian; Nilsen, Erlend Birkeland (Peer reviewed; Journal article, 2023)
      Optimization of clutch size and timing of reproduction have substantial effects on lifetime reproductive success in vertebrates, and both individual quality and environmental variation may impact life history strategies. ...

    • Spatial variation in the evolutionary potential and constraints of basal metabolic rate and body mass in a wild bird 

      Nafstad, Ådne Messel; Rønning, Bernt; Aase, Kenneth; Ringsby, Thor Harald; Hagen, Ingerid Julie; Ranke, Peter Sjolte; Kvalnes, Thomas; Stawski, Clare; Räsänen, Katja; Sæther, Bernt-Erik; Muff, Stefanie; Jensen, Henrik (Peer reviewed; Journal article, 2023)
      An organism's energy budget is strongly related to resource consumption, performance, and fitness. Hence, understanding the evolution of key energetic traits, such as basal metabolic rate (BMR), in natural populations is ...