Now showing items 101-120 of 671

    • China and India lead in greening of the world through land-use management 

      Chen, Chi; Park, Taejin; Wang, Xuhui; Piao, Shilong; Xu, Baodong; Chaturvedi, Rajiv K.; Fuchs, Richard; Brovkin, Victor; Ciais, Philippe; Fensholt, Rasmus; Tømmervik, Hans; Bala, Govindasamy; Zhu, Zaichun; Nemani, Ramakrishna R.; Myneni, Ranga B. (Journal article; Peer reviewed, 2019)
      Satellite data show increasing leaf area of vegetation due to direct factors (human land-use management) and indirect factors (such as climate change, CO2 fertilization, nitrogen deposition and recovery from natural ...
    • Circadian rhythmicity persists through the Polar night and midnight sun in Svalbard reindeer 

      Arnold, Walter; Ruf, Thomas; Loe, Leif Egil; Irvine, R. Justin; Ropstad, Erik; Veiberg, Vebjørn; Albon, Steve D. (Journal article; Peer reviewed, 2018)
      Studies of locomotor activity in Svalbard reindeer reported the temporary absence of diel rhythms under Arctic photic conditions. However, using Lomb-Scargle periodogram analyses with high statistical power we found diel ...
    • Circumpolar dynamics of a marine top-predator track ocean warming rates. 

      Descamps, Sebastian; Anker-Nilssen, Tycho; Barrett, Robert T; Irons, D; Merkel, Flemming; Robertson, Gregory J.; Yoccoz, Nigel Gilles; Mallory, Mark L; Montevecchi, William A.; Boertmann, D.; Artukhin, Yuri; Christensen-Dalsgaard, Signe; Erikstad, Kjell E; Gilchrist, H. Grant; Labansen, Aili; Lorentsen, Svein Håkon; Mosbech, Anders; Olsen, Bergur; Petersen, Aevar; Rail, Jean-Francois; Renner, Heather M.; Strøm, H.; Systad, Geir Helge; Wilhelm, Sabina I.; Zelenskaya, Larisa (Journal article; Peer reviewed, 2017)
      Global warming is a nonlinear process, and temperature may increase in a stepwise manner. Periods of abrupt warming can trigger persistent changes in the state of ecosystems, also called regime shifts. The responses of ...
    • Climate and density-dependence cause changes in adult sex ratio in a large Arctic herbivore 

      Peeters, Bart; Veiberg, Vebjørn; Pedersen, Åshild Ønvik; Stien, Audun; Irvine, Robert Justin; Aanes, Ronny; Sæther, Bernt-Erik; Strand, Olav; Hansen, Brage Bremset (Journal article; Peer reviewed, 2017)
      Peeters, B., V. Veiberg, A. Ø. Pedersen, A. Stien, R. J. Irvine, R. Aanes, B.-E. Sæther, O. Strand, and B. B. Hansen. 2017. Climate and density dependence cause changes in adult sex ratio in a large Arctic herbivore. ...
    • Climate and land‑cover change alter bumblebee species richness and community composition in subalpine areas 

      Fourcade, Yoan; Åström, Sandra Charlotte Helene; Öckinger, Erik (Journal article; Peer reviewed, 2019)
      Climate and land-use change are recognised as the two main drivers of the ongoing reorganisation of Earth’s biodiversity, but understanding precisely their role in shaping species’ distributions and communities remains ...
    • Climate change and the increasing impact of polar bears on bird populations 

      Prop, Jouke; Aars, Jon; Bårdsen, Bård-Jørgen; Hanssen, Sveinn Are; Bech, Claus; Bourgeon, Sophie; Fouw, Jimmy de; Gabrielsen, Geir W.; Lang, Johannes; Noreen, Elin; Oudman, Thomas; Sittler, Benoit; Tombre, Ingunn; Wolters, Eva; Moe, Børge; Stempniewicz, Lech (Peer reviewed, 2015)
      The Arctic is becoming warmer at a high rate, and contractions in the extent of sea ice are currently changing the habitats of marine top-predators dependent on ice. Polar bears (Ursus maritimus) depend on sea ice for ...
    • Climate change induced molting mismatch? Mountain hare abundance reduced by duration of snowcover and predator abundance 

      Pedersen, Simen; Odden, Morten; Pedersen, Hans-Christian (Journal article; Peer reviewed, 2017)
      In northern latitudes, species that have adapted to snow cover by molting and changing pelage color will be particularly vulnerable to climate change, as predation levels may increase due to a mismatch with background ...
    • Climatic and biotic extreme events moderate long-term responses of above- and belowground sub-Arctic heathland communities to climate change 

      Bokhorst, Stef; Phoenix, Gareth K.; Berg, Matty P.; Callaghan, Terry V.; Kirby-Lambert, Christopher; Bjerke, Jarle W. (Journal article; Peer reviewed, 2015)
      Climate change impacts are not uniform across the Arctic region because interacting factors causes large variations in local ecosystem change. Extreme climatic events and population cycles of herbivores occur simultaneously ...
    • Co-adaptation is key to coexisting with large carnivores 

      Carter, Neil H.; Linnell, John Durrus (Journal article; Peer reviewed, 2016)
      There is a pressing need to integrate large carnivore species into multi-use landscapes outside protected areas. However, an unclear understanding of coexistence hinders the realization of this goal. Here, we provide a ...
    • Collection of Scientific Specimens:Benefits for Biodiversity Sciences and Limited Impacts on Communities of Small Mammals 

      Hope, Andrew G.; Sandercock, Brett; Malaney, Jason L. (Journal article; Peer reviewed, 2018)
      Despite increasing use of specimens from natural-history collections, continued field sampling has met with growing resistance attributable to changing societal values. Widespread perception persists that the removal of ...
    • Combining modelling tools to evaluate a goose management scheme 

      Baveco, Johannes M.; Bergjord, Anne-Kari; Bjerke, Jarle W.; Chudzinska, Magda E.; Pellissier, Loïc; Simonsen, Caroline E.; Madsen, Jesper; Tombre, Ingunn; Nolet, Bart A. (Journal article; Peer reviewed, 2017)
      Many goose species feed on agricultural land, and with growing goose numbers, conflicts with agriculture are increasing. One possible solution is to designate refuge areas where farmers are paid to leave geese undisturbed. ...
    • Commercial gillnetting is more stressful for saithe (Pollachius virens L.) than jigging: but is fillet quality affected? 

      Uglem, Ingebrigt; Toledo-Guedes, Kilian; Ulvan, Eva Marita (Journal article; Peer reviewed, 2016)
      Various fish capture methods, which involve different levels of pre-slaughter stress/welfare, could influence the final quality of marketed fish. In this study, living saithe (Pollachius virens L.), caught during realistic ...
    • Commonness and rarity in the marine biosphere 

      Connolly, Sean R.; MacNeil, M. Aaron; Caley, M. Julian; Knowlton, Nancy; Cripps, Ed; Hisano, Mizue; Thibaut, Loïc M.; Bhattacharya, Bhaskar D.; Benedetti-Cecchif, Lisandro; Brainard, Russell E.; Brandt, Angelika; Bulleri, Fabio; Ellingsen, Kari Elsa; Kaiser, Stefanie; Kröncke, Ingrid; Linse, Katrin; Maggi, Elena; O'Hara, Timothy D.; Plaisance, Laetitia; Poore, Gary C.B.; Sarkar, Santosh K.; Sathpaty, Kamala K.; Schückel, Ulrike; Williams, Alan; Wilson, Robin S. (Journal article; Peer reviewed, 2014)
      Contributed by Nancy Knowlton, April 28, 2014 (sent for review November 25, 2013; reviewed by Brian McGill and Fangliang He) Explaining patterns of commonness and rarity is fundamental for understanding and managing ...
    • Communication Interventions and Fear of Brown Bears: Considerations of Content and Format 

      Johansson, Maria; Hallgren, Lars; Flykt, Anders; Støen, Ole-Gunnar; Thelin, Linda; Frank, Jens (Journal article, 2019)
      Communication interventions are commonly proposed as a way to address people’s fear and negative attitudes to build tolerance in shared landscapes between humans and large carnivores. Therefore, managing authorities ...
    • Community aggregated traits disclose functional responses to seasonal resource fluctuations and spatial heterogeneity 

      Ospina, Sonia; Rusch, Graciela; Easdale, Tomas A.; Finegan, Bryan; Casanoves, Fernando; Ibraham, Muhammad (Journal article; Peer reviewed, 2016)
    • Community-wide mesocarnivore response to partial ungulate migration 

      Henden, John-André; Stien, Audun; Bårdsen, Bård-Jørgen; Yoccoz, Nigel Gilles; Ims, Rolf Anker (Journal article; Peer reviewed, 2014)
      1.Mesocarnivores increase in number and geographic range in human-disturbed ecosystems with cascading negative impact on biodiversity. To mitigate such impacts, it is essential to identify the proximate causes of such ...
    • Community-wide mesocarnivore response to partial ungulate migration 

      Henden, John-André; Stien, Audun; Bårdsen, Bård-Jørgen; Yoccoz, Nigel Gilles; Ims, Rolf Anker (Journal article, 2014)
      1. Mesocarnivores increase in number and geographic range in human-disturbed ecosystems with cascading negative impact on biodiversity. To mitigate such impacts, it is essential to identify the proximate causes of such ...
    • Comparing land use impacts using ecosystem quality, biogenic carbon emissions, and restoration costs in a case study of hydropower plants in Norway 

      Lillesund, Vilde Fluge; Hagen, Dagmar; Michelsen, Ottar; Foldvik, Anders; Barton, David Nicholas (Journal article; Peer reviewed, 2017)
      Purpose Habitat destruction is today the most severe threat to global biodiversity. Despite decades of efforts, there is still no proper methodology on how to assess all aspects of impacts on biodiversity from land use and ...
    • Comparisons of reproductive function and fatty acid fillet quality between triploid and diploid farm Atlantic salmon (Salmo salar) 

      Murray, D.S.; Kainz, M.J.; Hebberecht, L.; Sales, K.R.; Hindar, Kjetil; Gage, Matthew J.G. (Journal article; Peer reviewed, 2018)
      Triploidy could prevent escaped farm salmon breeding in the wild, while also improving nutrient quality within farmed fillets. Despite these potential advantages, triploid Atlantic salmon have not been widely used in ...
    • Competition between apex predators? Brown bears decrease wolf kill rate on two continents 

      Tallian, Aimee; Ordiz, Andres; Metz, Matthew C.; Milleret, Cyril; Wikenros, Camilla; Smith, Douglas W.; Stahler, Daniel R.; Kindberg, Jonas; MacNulty, Daniel R.; Wabakken, Petter; Swenson, Jon; Sand, Håkan (Journal article; Peer reviewed, 2017)
      Trophic interactions are a fundamental topic in ecology, but we know little about how competition between apex predators affects predation, the mechanism driving top-down forcing in ecosystems.We used long-term datasets ...