Now showing items 78-97 of 1342

    • Atlantic Puffin Fratercula arctica fishing in a freshwater lake to feed its chick 

      Anker-Nilssen, Tycho; Bangjord, Georg (Peer reviewed; Journal article, 2021)
      We present details for the observation of an adult Atlantic Puffin Fratercula arctica collecting food in Lake Linnévatnet (78°02’N 13°48’E), the second largest freshwater lake in the Svalbard archipelago, on 11 August 2020. ...
    • Atlantic salmon in a rapidly changing environment—Facing the challenges of reduced marine survival and climate change 

      Thorstad, Eva Bonsak; Bliss, Doug; Breau, Cindy; Damon-Randall, Kimberly; Sundt-Hansen, Line Elisabeth Breivik; Hatfield, Emma M.C.; Horsburgh, Grant; Hansen, Heidi; Maoiléidigh, Niall Ó.; Sheehan, Timothy F.; Sutton, Stephen G. (Peer reviewed; Journal article, 2021)
      1. Atlantic salmon populations have declined in recent decades. Many of the threats to the species during its freshwater and coastal residency periods are known, and management approaches are available to mitigate them. ...
    • Atmospheric deposition and precipitation are important predictors of inorganic nitrogen export to streams from forest and grassland watersheds: a large-scale data synthesis 

      Templer, P.H.; Harrison, J.L.; Pilotto, Francesca; Flores-Díaz, A.; Haase, P.; McDowell, W.H.; Sharif, R.; Shibata, H.; Blankman, D.; Avila, A.; Baatar, U.; Bogena, H.R.; Bourgeois, I.; Campbell, J.; Dirnböck, T.; Dodds, W.K.; Hauken, Marit; Kokorite, I.; Lajtha, K.; Lai, I.-L.; Laudon, H.; Lin, T.C.; Lins, S.R.M.; Meesenburg, H.; Pinho, P.; Robison, A.; Rogora, M.; Scheler, B.; Schleppi, P.; Sommaruga, R.; Staszewski, T.; Taka, M. (Peer reviewed; Journal article, 2022)
      Previous studies have evaluated how changes in atmospheric nitrogen (N) inputs and climate affect stream N concentrations and fluxes, but none have synthesized data from sites around the globe. We identified variables ...
    • Attitudes towards returning wolves (Canis lupus) in Germany: exposure, information sources and trust matter 

      Arbieu, Ugo; Mehring, Marion; Bunnefeld, Nils; Kaczensky, Petra; Reinhardt, Ilka; Ansorge, Hermann; Böhning-Gaesea, Katrin; Glikman, Jenny A.; Kluth, Gesa; Nowak, Carsten; Müller, Thomas (Journal article; Peer reviewed, 2019)
      Understanding how exposure and information affect public attitudes towards returning large carnivores in Europe is critical for human-carnivore coexistence, especially for developing efficient and de-escalating communication ...
    • Automated fluvial hydromorphology mapping from airborne remote sensing 

      Hedger, Richard David; Gosselin, Marie-Pierre (Peer reviewed; Journal article, 2023)
      Mapping fluvial hydromorphology is an important part of defining river habitat. Mappingvia field sampling or hydraulic modelingis however time consuming, and mappinghydromorphology directly from remote sensing data may ...
    • Automatic flower detection and phenology monitoring using time-lapse cameras and deep learning 

      Mann, Hjalte M. R.; Iosifidis, Alexandros; Jepsen, Jane Uhd; Welker, Jeffrey M.; Loonen, Maarten J.J.E.; Høye, Toke T. (Peer reviewed; Journal article, 2022)
      The advancement of spring is a widespread biological response to climate change observed across taxa and biomes. However, the species level responses to warming are complex and the underlying mechanisms are difficult to ...
    • “Å, nå telte han deg også” – er det noe vits da? 

      Wold, Line Camilla; Gundersen, Vegard; Fangel, Kirstin (Journal article; Peer reviewed, 2014)
      Automatiske ferdselstellere benyttes i stadig flere naturområder. Vi får vite hvor mange mennesker som gikk her eller der. Vi sitter med et tall. Men hva sier tallene oss egentlig, og hvordan kan vi bruke dem i en adaptiv ...
    • Back to nature: Norwegians sustain increased recreational use of urban green space months after the COVID-19 outbreak 

      Venter, Zander; Barton, David Nicholas; Gundersen, Vegard; Figari, Helene; Nowell, Megan Sara (Peer reviewed; Journal article, 2021)
      In Oslo, as elsewhere, the COVID-19 outbreak and the following lockdown measures during spring 2020 led to increased use of urban green infrastructure. Whether this has led to more durable changes in recreation patterns ...
    • Backcrossing of a capercaillie × black grouse hybrid male in the wild revealed with molecular marker 

      Kleven, Oddmund; Brøseth, Henrik; Jonassen, Kyrre; Pedersen, Hans Christian (Journal article, 2020)
      The black grouse Lyrurus tetrix and the capercaillie Tetrao urogallus are known to produce hybrids in wild populations. In general, these hybrids are regarded as infertile; however, conclusive evidence that F1-hybrids are ...
    • Barns lek i natur – i spennet fra selvutfoldelse til kontroll 

      Skår, Margrete; Follo, Gro Irene; Gundersen, Vegard; Ingebrigtsen, Kim; Stordal, Gjertrud; Tordsson, Bjørn Stefan; Wold, Line Camilla (Journal article; Peer reviewed, 2016)
      I en 3-årig studie finansiert av Norges forskningsråds program Miljø 2015 (prosjektperiode 2012–2015) har vi i bred forstand undersøkt hvordan barn erfarer natur i dag. I denne artikkelen vil vi rette fokuset mot barns lek ...
    • Bearing the brunt: Mongolian khulan (Equus hemionus hemionus) are exposed to multiple influenza A strains 

      Soilemetzidou, Eirini S.; de Bruin, Erwin; Eschke, Kathrin; Azab, Walid; Osterrieder, Nikolaus; Czirják, Gábor Á.; Buuveibaatar, Bayarbaatar; Kaczensky, Petra; Koopmans, Marion; Walzer, Chris; Greenwood, Alex D. (Peer reviewed; Journal article, 2020)
      The majority of influenza A virus strains are hosted in nature by avian species in the orders of Anseriformes and Charadriformes. A minority of strains have been able to cross species boundaries and establish themselves ...
    • Beetles provide directed dispersal of viable spores of a keystone wood decay fungus 

      Lunde, Lisa Fagerli; Boddy, Lynne; Sverdrup-Thygeson, Anne; Jacobsen, Rannveig Margrete; Kauserud, Håvard; Birkemoe, Tone (Peer reviewed; Journal article, 2023)
      Wood decay fungi are considered to be dispersed by wind, but dispersal by animals may also be important, and more so in managed forests where dead wood is scarce. We investigated whether beetles could disperse spores of ...
    • Behavioral buffering of extreme weather events in a high-Arctic herbivore 

      Loe, Leif Egil; Hansen, Brage Bremset; Stien, Audun; Albon, Steve D.; Bischof, Richard; Carlsson, Anja M.; Irvine, Justin; Meland, Morten; Rivrud, Inger Maren; Ropstad, Erik; Veiberg, Vebjørn; Mysterud, Atle (Journal article; Peer reviewed, 2016)
      As global warming advances, there is a growing concern about the impact of extreme weather events on ecosystems. In the Arctic, more frequent unseasonal warm spells and rain-on- snow events in winter cause changes in ...
    • Behavioral responses of terrestrial mammals to COVID-19 lockdowns 

      Tucker, Marlee A.; Schipper, Aafke M.; Adams, Tempe S.F.; Attias, Nina; Avgar, Tal; Babic, Natarscha L.; Barker, Kristin J.; Bastille-Rousseau, Guillaume; Behr, Dominik M.; Belant, Jerrold L.; Beyer Jr., Dean E.; Blaum, Niels; Blount, J. David; Bockmuhl, Dirk; Boulhosa, Ricardo Luiz Pires; Brown, Michael B.; Buuveibaatar, Bayarbaatar; Cagnazzi, Francesca; Calabrese, Justin M.; Cerne, Rok; Chamaillé-Jammes, Simon; Chan, Aung Nyein; Chase, Michael J.; Chaval, Yannick; Chenaux-Ibrahim, Yvette; Cherry, Seth G.; Cirovic, Dusko; Coban, Emrah; Cole, Eric K.; Conlee, Laura; Courtemanch, Alyson; Cozzi, Gabriele; Davidson, Sarah C.; DeBloois, Darren; Dejid, Nandintsetseg; DeNicola, Vickie; Desbiez, Arnaud L.J.; Douglas-Hamilton, Iain; Drake, David; Egan, Michael; Eikelboom, Jasper A.J.; Fagan, William F.; Farmer, Morgan J.; Fennessy, Julian; Finnegan, Shannon P.; Fleming, Christen H.; Fournier, Bonnie; Fowler, Nicholas L.; Gantchoff, Mariela G.; Garnier, Alexandre; Heim, Morten; Heurich, Marco Dietmar; Kaczensky, Petra; Kindberg, Jonas; Linnell, John Durrus; Meisingset, Erling L.; Van Moorter, Bram; Mysterud, Atle; Panzacchi, Manuela; Rolandsen, Christer Moe; Solberg, Erling Johan; Strand, Olav (Peer reviewed; Journal article, 2023)
      COVID-19 lockdowns in early 2020 reduced human mobility, providing an opportunity to disentangle its effects on animals from those of landscape modifications. Using GPS data, we compared movements and road avoidance of ...
    • Behaviour and habitat use of first-time migrant Arctic charr: novel insights from a subarctic marine area 

      Nordli, Eivind; Strøm, John Fredrik; Bøhn, Thomas; Thorstad, Eva Bonsak; Serra Llinares, Rosa Maria; Nilsen, Rune; Bjørn, Pål Arne (Peer reviewed; Journal article, 2023)
      Anadromous Arctic charr Salvelinus alpinus is a cold-adapted salmonid that is vul nerable to climate warming and anthropogenic activities including salmon farming, hydropower regulation, and pollution, which poses a ...
    • Behaviour and mortality of downstream migrating Atlantic salmon smolts at a small power station with multiple migration routes 

      Kärgenberg, Einar; Thorstad, Eva Bonsak; Järvekülg, Rein; Sandlund, Odd Terje; Saadre, Ene; Økland, Finn; Thalfeldt, Mart; Tambets, Meelis (Journal article; Peer reviewed, 2019)
      Salmon smolts were released upstream of a run‐of‐river hydropower site and recaptured downstream for inspection. Descending fish behaviour through three possible migration routes (turbines, fishway, spillway) was analysed ...
    • Behaviour and survival of wild Atlantic salmon Salmo salar captured and released while surveillance angling for escaped farmed salmon 

      Lennox, Robert J.; Havn, Torgeir Børresen; Thorstad, Eva Bonsak; Liberg, Egil; Cooke, Steven J.; Uglem, Ingebrigt (Journal article; Peer reviewed, 2017)
      In many Norwegian rivers, spawning stocks are surveyed for escaped farmed salmon with surveillance fishing by rod and reel after the recreational angling season. However, the benefits of surveillance fishing depend on the ...
    • Behaviour of anadromous brown trout (Salmo trutta) in a hydropower regulated freshwater system 

      Dahlmo, Lotte Svengård; Velle, Gaute; Nilsen, Cecilie Iden; Pulg, Ulrich; Lennox, Robert; Vollset, Knut (Peer reviewed; Journal article, 2023)
      Many Norwegian rivers and lakes are regulated for hydropower, which afects freshwater ecosystems and anadromous fish species, such as sea trout (Salmo trutta). Lakes are an important feature of many anadromous river systems. ...
    • Behavioural and demographic changes in impala populations after 15 years of improved conservation management 

      Flølo, Linn Marie; Hunninck, Louis Marcel; May, Roelof Frans; Jackson, Craig Ryan; Setsaas, Trine Hay; Holmern, Tomas; Røskaft, Eivin (Peer reviewed; Journal article, 2021)
      Many protected areas (PAs) have been created globally in response to the dramatic human- induced decline in biodiversity. However, not all PAs successfully preserve their biodiversity and continued monitoring is vital to ...
    • Being stressed outside the park — conservation of African elephants (Loxodonta africana) in Namibia 

      Hunninck, Louis; Ringstad, Iris; Jackson, Craig Ryan; May, Roelof Frans; Fossøy, Frode; Uiseb, Kenneth; Killian, Werner; Røskaft, Eivin (Journal article; Peer reviewed, 2017)
      The conservation of the African savanna elephant (Loxodonta africana) is of prime importance for many African countries. Interactions between elephants and humans are known to induce stress and thereby have the potential ...