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  • Ontogenetic dynamics of infection with Diphyllobothrium spp. cestodes in sympatric Arctic charr Salvelinus alpinus (L.) and brown trout Salmo trutta L. 

    Henriksen, Eirik Haugstvedt; Knudsen, Rune; Kristoffersen, Roar; Kuris, Armand M.; Lafferty, Kevin D.; Siwertsson, Anna; Amundsen, Per-Arne (Journal article; Tidsskriftartikkel; Peer reviewed, 2015-12-23)
    The trophic niches of Arctic charr and brown trout differ when the species occur in sympatry . Their trophically transmitted parasit es are expected to reflect these differences. ...
  • Correction: Anderson, H.B. et al. Using Ordinary Digital Cameras in Place of Near-Infrared Sensors to Derive Vegetation Indices for Phenology Studies of High Arctic Vegetation. Remote Sens. 2016, 8, 847 

    Anderson, Helen; Nilsen, Lennart; Tømmervik, Hans; Karlsen, Stein Rune; Nagai, Shin; Cooper, Elisabeth J. (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-09-28)
    After the publication of the research paper by Anderson et al. [ 1 ], a reanalysis of the data showed that mistakes had been introduced in the calculation of the greenness indices and the filtering for outliers prior ...
  • Consistent isotopic differences between Schistocephalus spp. parasites and their stickleback hosts 

    Eloranta, Antti; Knudsen, Rune; Amundsen, Per-Arne; Merilä, Juha (Journal article; Tidsskriftartikkel; Peer reviewed, 2015-07-23)
    Parasite−host systems show markedly variable patterns in isotopic fractionation: parasites can be either depleted or enriched in 15N and 13C as compared to their hosts. However, it remains unknown whether isotopic fractionation ...
  • Hidden in the darkness of the Polar night: A first glimpse into winter migration of the Svalbard rock ptarmigan 

    Fuglei, Eva; Blanchet, Marie-Anne; Unander, Sigmund; Ims, Rolf Anker; Pedersen, Åshild Ønvik (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-06-05)
    Among many unknown aspects of the Svalbard rock ptarmigan’s biology is whether the birds migrate seasonally within the Svalbard archipelago. Visual observations in spring and fall have indicated that they could perform ...
  • Behavioural Responses of Moulting Barnacle Geese to Experimental Helicopter Noise and a Predator 

    Tyler, Nicholas J. C.; Jacobsen, Karl-Otto; Blix, Arnoldus S (Journal article; Tidsskriftartikkel; Peer reviewed, 2016)
    The response of animals to anthropogenic noise can be aggravated by lack of familiarity with its auditory pattern and also by nervousness characteristic of particular phases of their life cycle. Both conditions apply in ...
  • On the use of the HUGIN 1000 HUS Autonomous Underwater Vehicle for high resolution zooplankton measurements 

    Pedersen, Ole Petter; Gaardsted, Frank; Lågstad, Petter Arthur; Tande, Kurt Steinar (Journal article; Tidsskriftartikkel; Peer reviewed, 2010)
    This paper evaluates and tests the HUGIN 1000 HUS AUV as a carrier platform for the Laser Optical Plankton Counter (LOPC). The LOPC was mounted outside on top of the carrier platform, and the tests confirm that this ...
  • Vicariance, dispersal, and hybridization in a naturally fragmented system: the afro-alpine endemics Carex monostachya and C. runssoroensis (Cyperaceae) 

    Gizaw, Abel; Kifilemichael, Tigist Wondimu; Tusiime, Felly Mugizi; Masao, Catherine; Abdi, Ahmed Abdikhadir; Popp, Magnus; Ehrich, Dorothee; Nemomissa, Sileshi; Brochmann, Christian (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-01-08)
    The naturally fragmented habitat on the tallest African mountains provides a good model system to study vicariance, dispersal, and hybridization. Many mountains are separated by lowland that likely was unsuitable for ...
  • Velferdskriterier i reindriften 

    Jørgensen, Grete Helen Meisfjord; Mejdell, Cecilie Marie; Stubsjøen, Solveig Marie; Ozkan, Seyda; Rødbotten, Rune; Bårdsen, Bård-Jørgen; Rødven, Rolf (Research report; Forskningsrapport, 2017-06-07)
    Formålet med prosjektet var å identifisere ulike faktorer som kunne påvirke velferd hos tamrein, og som kunne implementeres i produksjonssystemene, på beite, i gjerdet, på slakteriet, gjennom produktmerking og fremtidige ...
  • Scientific opinion on chronic wasting disease (CWD) in cervids 

    Ricci, A; Allende, A; Bolton, D.; Chemaly, M; Davies, R; Fernandez Escamez, PS; Girones, R; Herman, L; Koutsoumanis, Kostas; Lindqvist, R; Nørrung, Birgit; Robertson, Lucy; Sanaa, Moez; Skandamis, Panagiotis; Snary, Emma; Speybroeck, Niko; Ter Kuile, Benno; Threlfall, john; Wahlström, Helene; Benestad, Sylvie Lafond; Gavier-Widén, Dolores; Miller, MW; Ru, Giuseppe; Telling, GC; Tryland, Morten; Ortiz Pelaez, A; Simmons, Marion M (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-01-18)
    In April and May of 2016, Norway confirmed two cases of chronic wasting disease (CWD) in a wild reindeer and a wild moose, respectively. In the light of this emerging issue, the European Commission requested EFSA to ...
  • Tresatt impediment og livsløpstrær av osp på hogstflater. Effektive tiltak for artsmangfoldet i norsk skog? 

    Sverdrup-Thygeson, Anne; Ims, Rolf Anker (Research report; Forskningsrapport, 2005-07)
    Skogbruket legger ned betydelige ressurser i form av arbeid og kapital for å ta hensyn til biologisk mangfold. Det er av stor betydning for skogbrukets økonomi og konkurranseevne at disse ressursene benyttes slik at man ...
  • Konflikter mellom ærfugl og blåskjelldyrking 

    Erikstad, Kjell E; Bustnes, Jan Ove; Rikardsen, Audun; Jacobsen, Karl-Otto; Strann, Karl Birger; Johnsen, Trond Vidar; Reiertsen, Tone (Research report; Forskningsrapport, 2006-01)
    Oppdrett av blåskjell har i de senere år økt sterkt i omfang i Norge, men kunnskapen om de økologiske konsekvensene av virksomheten er meget begrenset. Et betydelig problem som har oppstått i denne forbindelse er predasjon ...
  • Vertical fluxes of nitrate in the seasonal nitracline of the Atlantic sector of the Arctic Ocean 

    Randelhoff, Achim; Fer, Ilker; Sundfjord, Arild; Tremblay, Jean-Éric; Reigstad, Marit (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-07-31)
    <p>This study compiles colocated oceanic observations of high-resolution vertical profiles of nitrate concentration and turbulent microstructure around the Svalbard shelf slope, covering both the permanently ice-free Fram ...
  • Røye som langtidsvert og smittereservoar for Gyrodactylus salaris i Skibotnelva i Troms 

    Kristoffersen, Roar; Rikardsen, Audun; Winger, Anja; Adolfsen, Pål; Knudsen, Rune (Research report; Forskningsrapport, 2005-03)
    Skibotnelva i Troms var lenge det eneste vassdraget i våre to nordligste fylker med infeksjon av fiskeparasitten Gyrodactylus salaris. Parasitten ble første gang påvist i 1979, og to rotenonbehandlinger i den lakseførende ...
  • Harmonizing circumpolar monitoring of Arctic fox: benefits, opportunities, challenges and recommendations 

    Berteaux, Dominique; Thierry, Anne-Mathilde; Alisauskas, Ray; Angerbjörn, Anders; Buchel, Eric; Doronina, Liliya; Ehrich, Dorothee; Eide, Nina Elisabeth; Erlandsson, Rasmus; Flagstad, Øystein; Fuglei, Eva; Gilg, Olivier; Golstman, Mikhail; Henttonen, Heikki; Ims, Rolf Anker; Killengreen, Siw Turid; Kondratyev, Alexander V.; Kruchenkova, Elena; Kruckenberg, Helmut; Kulikova, Olga; Landa, Arild Magne; Lang, Johannes; Menyushina, Irina; Mikhnevich, Julia; Niemimaa, Jukka; Norén, Karin; Ollila, Tuomo; Ovsyanikov, Nikita; Pokrovskaya, Liya; Pokrovsky, Ivan G.; Rodnikova, Anna Y.; Roth, James D.; Sabard, Brigitte; Samelius, Gustaf; Schmidt, Niels-Martin; Sittler, Benoit; Sokolov, Aleksandr A.; Sokolova, Natalya A.; Stickney, Alice; Unnsteinsdóttir, Ester Rut; White, Paula A. (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-08-16)
    The biodiversity working group of the Arctic Council has developed pan-Arctic biodiversity monitoring plans to improve our ability to detect, understand and report on long-term change in Arctic biodiversity. The Arctic ...
  • Impacts of Early Life Stress on the Methylome and Transcriptome of Atlantic Salmon 

    Moghadam, Hooman; Johnsen, Hanne; Robinson, Nick; Andersen, Øivind; Jørgensen, Even Hjalmar; Johnsen, Helge K.; Bæhr, Vegar J.; Tveiten, Helge (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-07-10)
    Exposure to environmental stressors during early-life stages can change the rate and timing of various developmental processes. Epigenetic marks affecting transcriptional regulation can be altered by such environmental ...
  • Naturmangfoldlovens virkninger i kommunene. En gjennomgang av kommunale erfaringer med loven 

    Andersen, Oddgeir; Bay-Larsen, Ingrid Agathe; Øian, Hogne; Fangel, Kirstin (Research report; Forskningsrapport, 2013-11-04)
    Denne studien skal gi svar på hvilke erfaringer kommunene har gjort seg etter at naturmang-foldloven (NML) trådte i kraft. Rapporten baseres på en internettbasert spørreundersøkelse til kommunene og personlige intervjuer ...
  • Turbulent heat and momentum fluxes in the upper ocean under Arctic sea ice 

    Peterson, Algot Kristoffer; Fer, Ilker; McPhee, Miles G.; Randelhoff, Achim (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-02-25)
    We report observations of heat and momentum fluxes measured in the ice-ocean boundary layer from four drift stations between January and June 2015, covering from the typical Arctic basin conditions in the Nansen Basin to ...
  • Lipid content and fatty acid composition of Porosira glacialis and Attheya longicornis in response to carbon dioxide (CO2) aeration 

    Artamonova, Elena; Vasskog, Terje; Eilertsen, Hans Christian (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-05-18)
    In the current study two novel psychrophilic diatoms Porosira glacialis and Attheya longicornis were tested for suitability to CO2 mitigation coupled with production of the physiologically requisite omega± 3 fatty acids. ...
  • Fish populations, gill net catches and gill net selectivity in the Lower Orange River, Namibia, from 1995 to 2001 

    Næsje, Tor; Hay, Clinton J.; Nickanor, Nande; Koekemoer, Johan; Strand, Rita; Thorstad, Eva Bonsak (Research report; Forskningsrapport, 2007-01)
    The Orange River: The lower part of the Orange River forms the border between Namibia and South Africa from the mouth of the river and 580 km upstream. The river origins in the Lesotho Highlands, and runs for approximately ...
  • Arctic greening from warming promotes declines in caribou populations 

    Fauchald, Per; Park, Taejin; Tømmervik, Hans; Myneni, Ranga B.; Hausner, Vera Helene (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-04-26)
    The migratory tundra caribou herds in North America follow decadal population cycles, and browsing from abundant caribou could be expected to counteract the current climate-driven expansion of shrubs in the circumpolar ...

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