Blar i forfatter "Klein, Geoffrey"

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    • Best environmental predictors of breeding phenology differ with elevation in a common woodland bird species 

      Bison, Marjorie; Yoccoz, Nigel; Carlson, Bradley; Klein, Geoffrey; Laigle, Idaline; Van Reeth, Colin; Asse, Daphné; Delestrade, Anne (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-08-17)
      Temperatures in mountain areas are increasing at a higher rate than the Northern Hemisphere land average, but how fauna may respond, in particular in terms of phenology, remains poorly understood. The aim of this study was to assess how elevation could modify the relationships between climate variability (air temperature and snow melt‐out date), the timing of plant phenology and egg‐laying date of ...

    • Earlier Snowmelt Advances Breeding Phenology of the Common Frog (Rana temporaria) but Increases the Risk of Frost Exposure and Wetland Drying 

      Bison, Marjorie; Yoccoz, Nigel; Carlson, BZ; Klein, Geoffrey; Laigle, Idaline; Van Reeth, Colin; Delestrade, Anne (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-08-03)
      The alarming decline of amphibians around the world calls for complementary studies to better understand their responses to climate change. In mountain environments, water resources linked to snowmelt play a major role in allowing amphibians to complete tadpole metamorphosis. As snow cover duration has significantly decreased since the 1970s, amphibian populations could be strongly impacted by climate ...

    • Phenological and elevational shifts of plants, animals and fungi under climate change in the European Alps 

      Vitasse, Yann; Ursenbacher, Sylvain; Klein, Geoffrey; Bohnenstengel, Thierry; Chittaro, Yannick; Delestrade, Anne; Monnerat, Christian; Rebetez, Martine; Rixen, Christian; Strebel, Nicolas; Schmidt, Benedikt R.; Wipf, Sonja; Wohlgemuth, Thomas; Yoccoz, Nigel; Lenoir, Jonathan (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-04-27)
      Mountain areas are biodiversity hotspots and provide a multitude of ecosystem services of irreplaceable socio-economic value. In the European Alps, air temperature has increased at a rate of about 0.36°C decade<sup>−1</sup> since 1970, leading to glacier retreat and significant snowpack reduction. Due to these rapid environmental changes, this mountainous region is undergoing marked changes in spring ...