Now showing items 21-40 of 1626

    • The accuracy and precision of age determination by dental cementum annuli in four northern cervids 

      Veiberg, Vebjørn; Nilsen, Erlend Birkeland; Rolandsen, Christer Moe; Heim, Morten; Andersen, Roy; Holmstrøm, Frode; Meisingset, Erling L.; Solberg, Erling Johan (Peer reviewed; Journal article, 2020)
      Individual age is an important element in models of population demographics, but the limitations of the methods used for age determination are not always clear. We used known-age data from moose (Alces alces), red deer ...
    • Activity patterns of Eurasian lynx are modulated by light regime and individual traits over a wide latitudinal range 

      Heurich, Marco; Hilger, Anton; Küchenhoff, Helmut; Andrén, Henrik; Bufka, Luděk; Krofel, Miha; Mattisson, Jenny; Odden, John; Persson, Jens; Rauset, Geir Rune; Schmidt, Krzysztof; Linnell, John Durrus (Peer reviewed; Journal article, 2014)
      The activity patterns of most terrestrial animals are regarded as being primarily influenced by light, although other factors, such as sexual cycle and climatic conditions, can modify the underlying patterns. However, most ...
    • Activity patterns of wintering Great Skuas Stercorarius skua 

      Magnusdottir, Ellen; Leat, Eliza H. K.; Bourgeon, Sophie; Jónsson, Jón E.; Phillips, Richard A.; Strøm, Hallvard; Petersen, Aevar; Hanssen, Sveinn Are; Bustnes, Jan Ove; Furness, Robert W. (Peer reviewed; Journal article, 2014)
      Capsule Great Skuas Stercorarius skua wintering in different areas spent different amounts of time in flight (foraging or searching for food) and so may be experiencing different feeding conditions. Aims To compare the ...
    • Acute toxicity testing of the tire rubber-derived chemical 6PPD-quinone on Atlantic salmon (Salmo salar) and brown trout (Salmo trutta) 

      Foldvik, Anders; Kryuchkov, Fedor; Sandodden, Roar; Uhlig, Silvio (Peer reviewed; Journal article, 2022)
      Recent identification of 6PPD-quinone as the chemical causing acute toxicity in coho salmon has led to substantial concern regarding toxicity of this contaminant for other aquatic species. Environmental occurrence of ...
    • Adaptive responses of animals to climate change are most likely insufficient 

      Radchuk, Viktoriia; Reed, Thomas; Teplitsky, Céline; van der Pol, Martijn; Charmantier, Anne; Hassall, Christopher; Adamik, Peter; Adriaensen, Frank; Ahola, Markus P.; Arcese, Peter; Avilés, Jesus Miguel; Balbontin, Javier; Berg, Karl S.; Borras, Antoni; Burthe, Sarah; Clobert, Jean; Dehnhard, Nina; de Lope, Florentino; Dhondt, André A.; Dingemanse, Niels J.; Doi, Hideyuki; Eeva, Tapio; Fickel, Joerns; Filella, Iolanda; Fossøy, Frode; Goodenough, Anne E.; Hall, Stephen J.G.; Hansson, Bengt; Harris, Michael; Hasselquist, Dennis; Hickler, Thomas; Joshi, Jasmin; Kharouba, Heather; Martínez, Juan Gabriel; Mihoub, Jean-Baptiste; Mills, James A.; Molina-Morales, Mercedes; Moksnes, Arne; Ozgul, Arpat; Parejo, Deseada; Pilard, Philippe; Poisbleau, Maud; Rousset, Francois; Rödel, Mark-Oliver; Scott, David; Senar, Juan Carlos; Stefanescu, Constanti; Stokke, Bård Gunnar; Kusano, Tamotsu; Tarka, Maja; Tarwater, Corey E.; Thonicke, Kirsten; Thorley, Jack; Wilting, Andreas; Tryjanowski, Piotr; Merilä, Juha; Sheldon, Ben C.; Møller, Anders Pape; Matthysen, Erik; Janzen, Fredric; Dobson, F.Stephen; Visser, Marcel E.; Beissinger, Steven R.; Courtiol, Alexandre; Kramer-Schadt, Stephanie (Journal article; Peer reviewed, 2019)
      Biological responses to climate change have been widely documented across taxa and regions, but it remains unclear whether species are maintaining a good match between phenotype and environment, i.e. whether observed trait ...
    • Additions to the knowledge of Encyrtidae (Hymenoptera: Chalcidoidea) from Norway, with descriptions of two new species 

      Japoshvili, George; Staverløkk, Arnstein (Peer reviewed; Journal article, 2024)
      Two genera of Encyrtidae (Hymenoptera: Chalcidoidea) are for the first time recorded from Norway: Dusmetia Mercet, 1921 and Prionomastix Mayr, 1876. Six new species records for the country are presented, including two newly ...
    • Advancing restoration ecology: A new approach to predict time to recovery 

      Rydgren, Knut; Halvorsen, Rune; Töpper, Joachim Paul; Auestad, Inger; Hamre, Liv Norunn; Jongejans, Eelke; Sulavik, Jan (Journal article; Peer reviewed, 2018)
      1. Species composition is a vital attribute of any ecosystem. Accordingly, ecological restoration often has the original, or “natural,” species composition as its target. However, we still lack adequate methods for predicting ...
    • Aerospace mapping of the status and position of northern forest limit 

      Kravtsova, Valentina I.; Tutubalina, Olga; Hofgaard, Annika (Peer reviewed; Journal article, 2012)
      We study changes in the position of the northern forest limit and state of vegetation in the taiga-tundra ecotone through aerial and satellite imagery in the context of climate variability and of the projected advance of ...
    • Age of European silver eels during a period of declining abundance in Norway 

      Durif, Caroline; Diserud, Ola Håvard; Sandlund, Odd Terje; Thorstad, Eva Bonsak; Poole, Russell; Bergesen, Knut Aanestad; Escobar-Lux, Rosa H.; Shema, Steven; Vøllestad, Leif Asbjørn (Journal article, 2020)
      The European eel (Anguilla anguilla) is critically endangered throughout its range. Knowledge about age distribution of future spawners (silver eels) is essential to monitor the status and contribute to the recovery of ...
    • Age-Related Mercury Contamination and Relationshipwith Luteinizing Hormone in a Long-Lived Antarctic Bird 

      Tartu, Sabrina; Bustamante, Paco; Goutte, Aurélie; Weimerskirch, Henri; Bustnes, Jan Ove; Chastel, Olivier (Journal article; Peer reviewed, 2014)
      Seabirds, as long-lived top predators, accumulate contaminants such as mercury (Hg), an established endocrine disruptor. In long lived species hormonal secretion varies with age; therefore, Hg-induced endocrine disruption ...
    • Aggregations of foraging black guillemots (Cepphus grylle) at a sea-ice edge in front of a tidewater glacier 

      Varpe, Øystein; Gabrielsen, Geir W. (Peer reviewed; Journal article, 2022)
      Seabirds in cold biomes sometimes aggregate near glacier fronts and at sea-ice edges to forage. In this note, we report on large aggregations of black guillemots (Cepphus grylle) at the edge of sea ice in front of the ...
    • Agonimia globulifera new to mainland Norway 

      Olsen, Oddvar; Haug, Solveig; Nordén, Björn (Journal article; Peer reviewed, 2019)
      During an excursion to Vetvika, Bremanger municipality in Sogn og Fjordane in search of rare bryo-phytes, the first author made a collection of small black perithecia overgrowing bryophytes on shellsand. The collection was ...
    • Air pollution declines during COVID-19 lockdowns mitigate the global health burden 

      Venter, Zander; Aunan, Kristin; Chowdhury, Sourangsu; Lelieveld, Jos (Peer reviewed; Journal article, 2020)
      The lockdown response to COVID-19 has resulted in an unprecedented reduction in global economic activity and associated air pollutant levels, especially from a decline in land transportation. We utilized a network of >10,000 ...
    • Airborne laser scanning reveals uniform responses of forest structure to moose (Alces alces) across the boreal forest biome 

      Petersen, Tanja Kofod; Kolstad, Anders Lorentzen; Kouki, Jari; Leroux, Shawn J.; Potvin, Lynette R.; Tremblay, Jean-Pierre; Wallgren, Märtha; Widemo, Fredrik; Cromsigt, Joris P. G. M.; Courtois, Coline; Austrheim, Gunnar; Gosse, John; den Herder, Michael; Hermanutz, Luise; Speed, James David Mervyn (Peer reviewed; Journal article, 2023)
      1. The moose Alces alces is the largest herbivore in the boreal forest biome, where it can have dramatic impacts on ecosystem structure and dynamics. Despite the importance of the boreal forest biome in global carbon ...
    • Alien plants, animals, fungi and algae in Norway: an inventory of neobiota 

      Sandvik, Hanno; Dolmen, Dag; Elven, Reidar; Falkenhaug, Tone; Forsgren, Elisabet; Hansen, Haakon; Hassel, Kristian; Husa, Vivian; Kjærstad, Gaute; Ødegaard, Frode; Pedersen, Hans Christian; Solheim, Halvor; Stokke, Bård Gunnar; Åsen, Per Arvid; Åström, Sandra Charlotte Helene; Brandrud, Tor Erik; Elven, Hallvard; Endrestøl, Anders; Finstad, Anders Gravbrøt; Fredriksen, Stein; Gammelmo, Øivind; Gjershaug, Jan Ove; Gulliksen, Bjørn; Hamnes, Inger Sofie; Hatteland, Bjørn Arild; Hegre, Hanne; Hesthagen, Trygve H.; Jelmert, Anders; Jensen, Thomas Correll; Johnsen, Stein Ivar; Karlsbakk, Egil; Magnusson, Christer; Nedreaas, Kjell Harald; Nordén, Björn; Oug, Eivind; Pedersen, Oddvar; Pedersen, Per Anker; Sjøtun, Kjersti; Skei, Jon Kristian; Solstad, Heidi; Sundheim, Leif; Swenson, Jon; Syvertsen, Per Ole; Talgø, Venche; Vandvik, Vigdis; Westergaard, Kristine Bakke; Wienerroither, Rupert; Ytrehus, Bjørnar; Hilmo, Olga; Henriksen, Snorre; Gederaas, Lisbeth (Journal article; Peer reviewed, 2019)
      We present the results of an inventory and status assessment of alien species in Norway. The inventory covered all known multicellular neobiota, 2496 in total, 1039 of which were classified as naturalised. The latter ...
    • Alien species and the Water Framework Directive: Recommendations for assessing ecological status in fresh waters in Norway 

      Sandvik, Hanno; Taugbøl, Annette; Bærum, Kim Magnus; Hesthagen, Trygve H.; Jensen, Thomas Correll; Johnsen, Stein Ivar; Sandlund, Odd Terje; Schartau, Ann Kristin (Peer reviewed; Journal article, 2022)
      1. Invasive alien species are recognized as a significant anthropogenic threat to freshwater ecosystems, because they may bring about the local extinction of native species and the collapse of habitat types of special ...
    • Alien species in Norway: results from quantitative ecological impact assessments 

      Sandvik, Hanno; Hilmo, Olga; Henriksen, Snorre; Elven, Reidar; Åsen, Per Arvid; Hegre, Hanne; Pedersen, Oddvar; Pedersen, Per Anker; Solstad, Heidi; Vandvik, Vigdis; Westergaard, Kristine Bakke; Ødegaard, Frode; Åström, Sandra Charlotte Helene; Elven, Hallvard; Endrestøl, Anders; Gammelmo, Øivind; Hatteland, Bjørn Arild; Solheim, Halvor; Nordén, Björn; Sundheim, Leif; Talgø, Venche; Falkenhaug, Tone; Gulliksen, Bjørn; Jelmert, Anders; Oug, Eivind; Sundet, Jan Henry; Forsgren, Elisabet; Finstad, Anders Gravbrøt; Hesthagen, Trygve H.; Nedreaas, Kjell Harald; Wienerroither, Rupert; Husa, Vivian; Fredriksen, Stein; Sjøtun, Kjersti; Steen, Henning; Hansen, Haakon; Hamnes, Inger Sofie; Karlsbakk, Egil; Magnusson, Christer; Ytrehus, Bjørnar; Pedersen, Hans Christian; Swenson, Jon; Syvertsen, Per Ole; Stokke, Bård Gunnar; Gjershaug, Jan Ove; Dolmen, Dag; Kjærstad, Gaute; Johnsen, Stein Ivar; Jensen, Thomas Correll; Hassel, Kristian; Gederaas, Lisbeth (Journal article, 2020)
      1. Due to globalisation, trade and transport, the spread of alien species is increasing dramatically. Some alien species become ecologically harmful by threatening native biota. This can lead to irreversible changes in ...
    • Aligning evidence generation and use across health, development, and environment 

      Tallis, Heather; Kreis, Katharine; Olander, Lydia; Ringler, Claudia; Ameyaw, David; Borsuk, Mark E.; Fletscher, Diana; Game, Edward; Gilligan, Daniel O.; Jeuland, Marc; Kennedy, Gina; Masuda, Yuta J.; Mehta, Sumi; Miller, Nicholas; Parker, Megan; Pollino, Carmel; Rajaratnam, Julie; Wilkie, David; Zhang, Wei; Ahmed, Selena; Ajayi, Oluyede C.; Alderman, Harold; Arhonditsis, George; Azevedo, Ines; Badola, Ruchi; Bailis, Rob; Balvanera, Patricia; Barbour, Emiliy; Bardini, Mark; Barton, David Nicholas; Baumgartner, Jill; Benton, Tim G.; Bobrow, Emily; Bossio, Deborah; Boström, Ann; Braimoh, Ademola; Brondizio, Eduardo; Brown, Joe; Bryant, Benjamin P.; Calder, Ryan S.D.; Chaplinn-Kramer, Becky; Cullen, Allison; DeMello, Nicole; Dickinson, Katherine L.; Ebi, Kristie L.; Eves, Heather E.; Fanzoo, Jessica (Journal article, 2019)
      Tallis, Heather; Kreis, Katharine; Olander, Lydia; Ringler, Claudia; Ameyaw, David; Borsuk, Mark E.; Fletschner, Diana; Game, Edward; Gilligan, Daniel O.; Jeuland, Marc; Kennedy, Gina; Masuda, Yuta J.; Mehta, Sumi; Miller, ...
    • All carnivores are not equal in the rural people's view. Should we develop conservation plans for functional guilds or individual species in the face of conflicts? 

      Trajçe, Aleksandër; Ivanov, Gjorge; Keçi, Erjola; Majic, Aleksandra; Melovski, Dime; Mersini, Kujtim; Mustafa, Sabit; Skrbinsek, Tomaz; Stojanov, Aleksandar; Todorovska, Aleksandra; von Arx, Manuela; Linnell, John D.C. (Peer reviewed; Journal article, 2019)
    • Allelic Variation in a Willow Warbler Genomic Region Is Associated with Climate Clines 

      Larson, Keith W; Liedvogel, Miriam; Addison, BriAnne; Kleven, Oddmund; Laskemoen, Terje; Lifjeld, Jan Terje; Lundberg, Max; Åkesson, Susanne; Bensch, Staffan (Journal article, 2014)
      Local adaptation is an important process contributing to population differentiation which can occur in continuous or isolated populations connected by various amounts of gene flow. The willow warbler (Phylloscopus trochilus) ...