• A multiplex microsatellite set for non-invasive genotypingand sexing of the osprey (Pandion haliaetus) 

      Dawson, Deborah A.; Kleven, Oddmund; dos Remedios, Natalie; Horsburgh, Gavin A.; Kroglund, Rolf Terje; Santos, Teresa; Hewitt, Colin R. A. (Peer reviewed, 2015)
      During the 1950s and 1970s the osprey (Pandion haliaetus) experienced a dramatic population crash and remains of conservation concern in several parts of the world. We isolated 37 microsatellite loci and assessed these in ...
    • 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) ...
    • 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 ...
    • Birds of different feather flock together - genetic structure of Taiga Bean Goose in Central Scandinavia 

      de Jong, Adriaan; Kleven, Oddmund; Østnes, Jan Eivind; Kroglund, Rolf Terje; Vahlström, Isak; Nilsson, Jan; Spong, Göran (Journal article; Peer reviewed, 2018)
      During their flightless summer moult, Taiga Bean Geese Anser fabalis fabalis gather at communal moulting sites. Individuals from the Nord-Trøndelag breeding area in Norway have been observed to join with local individuals ...
    • Conserving on the edge: genetic variation and structure in Northern populations of the endangered plant Dracocephalum ruyschiana L. (Lamiaceae) 

      Kyrkjeeide, Magni Olsen; Westergaard, Kristine Bakke; Kleven, Oddmund; Evju, Marianne; Endrestøl, Anders; Brandrud, Marie Kristine; Stabbetorp, Odd Egil (Peer reviewed; Journal article, 2020)
      Loss of biodiversity is accelerating, including the loss of genetic diversity. Conservation of small, isolated populations may be important, as they can provide valuable contributions to overall genetic variation and ...
    • Deep sympatric mitochondrial divergence without reproductive isolation in the common redstart Phoenicurus phoenicurus 

      Hogner, Silje; Laskemoen, Terje; Lifjeld, Jan Terje; Porkert, Jiri; Kleven, Oddmund; Albayrak, Tamer; Kabasakal, Bekir; Johnsen, Arild (Journal article; Peer reviewed, 2012)
      Mitochondrial DNA usually shows low sequence variation within and high sequence divergence among species, which makes it a useful marker for phylogenetic inference and DNA barcoding. A previous study on the common redstart ...
    • DNA-basert overvåking av den norske jervebestanden 2016 

      Flagstad, Øystein; Kleven, Oddmund; Balstad, Torveig; Spets, Merete Hagen; Eriksen, Line Birkeland; Brøseth, Henrik (NINA Rapport;1306, Research report, 2016)
      Flagstad, Ø., Kleven, O., Balstad, T., Spets, M. H., Eriksen, L. B. og Brøseth, H. 2016. DNA-basert overvåking av den norske jervebestanden 2016. - NINA Rapport 1306, 18 s. Genetiske analyser er nå implementert som et ...
    • DNA-basert overvåking av den skandinaviske jervebestanden 2013 

      Flagstad, Øystein; Brøseth, Henrik; Gervasi, Vincenzo; Balstad, Torveig; Spets, Merethe Hagen; Eriksen, Line Birkeland; Kleven, Oddmund; Johansson, Malin; Magnusson, Jessica; Ellegren, Hans (NINA rapport;1008, Research report, 2014)
      Genetiske analyser er nå implementert som et viktig verktøy i rovviltovervåkingen i Skandinavia. I særlig grad har antallet DNA-analyser av ekskrementer økt betydelig. Det siste tiåret er det gjennom-ført rutinemessig ...
    • DNA-basert overvåking av den skandinaviske jervebestanden 2014 

      Flagstad, Øystein; Brøseth, Henrik; Balstad, Torveig; Spets, Merethe Hagen; Eriksen, Line Birkeland; Kleven, Oddmund; Johansson, Malin; Magnusson, Jessica; Ellegren, Hans (NINA rapport;1185, Research report, 2015)
      Genetiske analyser er nå implementert som et viktig verktøy i rovviltovervåkingen i Skandinavia. I særlig grad har antallet DNA-analyser av ekskrementer økt betydelig. Det siste tiåret er det gjennomført rutinemessig ...
    • DNA-basert overvåking av den skandinaviske jervebestanden 2015 

      Flagstad, Øystein; Brøseth, Henrik; Kleven, Oddmund; Balstad, Torveig; Spets, Merethe Hagen; Eriksen, Line Birkeland; Johansson, Malin; Magnusson, Jessica; Ellegren, Hans (NINA Rapport;1232, Research report, 2016-03-18)
      Flagstad, Ø., Brøseth, H., Kleven, O., Balstad, T., Spets, M. H., Eriksen, L. B., Johansson, M., Magnusson, J., & Ellegren, H. 2016. DNA-basert overvåking av den skandinaviske jervebestanden 2015. - NINA Rapport 1232. ...
    • DNA-basert overvåking av den skandinaviske jervebestanden 2016 og 2017 

      Flagstad, Øystein; Kleven, Oddmund; Spets, Merethe Hagen; Eriksen, Line Birkeland; Halvorsen, Bente Uhre; Andersskog, Ida Pernille Øystese; Hemphill, Elisa Keeling; Brøseth, Henrik (NINA Rapport;1483, Research report, 2018)
      Flagstad, Ø., Kleven, O., Spets, M. H., Eriksen, L. B., Halvorsen, B. U., Andersskog, I. P. Ø., Hemp-hill, E. K., Johansson, M., Ekblom, R., Ellegren, H. & Brøseth H. 2018. DNA-basert overvåking av den skandinaviske ...
    • DNA-basert overvåking av den skandinaviske jervebestanden 2018 

      Flagstad, Øystein; Kleven, Oddmund; Spets, Merethe Hagen; Eriksen, Line Birkeland; Halvorsen, Bente Uhre; Andersskog, Ida Pernille Øystese; Hemphill, Elisa Keeling; Johansson, Malin; Ekblom, Robert; Ellegren, Hans; Brøseth, Henrik (NINA Rapport;1592, Research report, 2018)
      Flagstad, Ø., Kleven, O., Spets, M. H., Eriksen, L. B., Halvorsen, B. U., Andersskog, I. P. Ø., Hemphill, E. K., Johansson, M., Ekblom, R., Ellegren, H. & Brøseth H. 2018. DNA-basert overvåking av den skandinaviske ...
    • DNA-basert overvåking av den skandinaviske jervebestanden 2019 

      Flagstad, Øystein; Kleven, Oddmund; Erlandsen, Sten Even; Spets, Merethe Hagen; Eriksen, Line Birkeland; Andersskog, Ida Pernille Øystese; Johansson, Malin; Ekblom, Robert; Ellegren, Hans; Brøseth, Henrik (NINA Rapport;1762, Research report, 2019)
      Flagstad, Ø., Kleven, O., Erlandsen, S. E., Spets, M. H., Eriksen, L. B., Andersskog, I. P. Ø., Johansson, M., Ekblom, R., Ellegren, H. & Brøseth H. 2019. DNA-basert overvåking av den skandinaviske jervebestanden 2019. ...
    • Effects of satellite transmitters on survival in Snowy Owls Bubo scandiacus 

      Heggøy, Oddvar; Aarvak, Tomas; Øien, Ingar Jostein; Jacobsen, Karl-Otto; Solheim, Roar; Zazelenchuk, Dan; Stoffel, Marten; Kleven, Oddmund (Journal article; Peer reviewed, 2017)
      The use of tracking devices to monitor birds is extensive, but the effects of such instruments on equipped individuals are still insufficiently taken into account. Here we evaluate potential effects of backpack-mounted ...
    • Estimation of gene flow into the Scandinavian brown bear population 

      Kopatz, Alexander; Kleven, Oddmund; Kindberg, Jonas; Kojola, Ilpo; Aspi, Jouni; Spong, Göran; Gyllenstrand, Niclas; Dalén, Love; Fløystad, Ida; Hagen, Snorre B.; Flagstad, Øystein (NINA Rapport;1618, Research report, 2019)
      Alexander Kopatz, Oddmund Kleven, Jonas Kindberg, Ilpo Kojola, Jouni Aspi, Göran Spong, Niclas Gyllenstrand, Love Dalén, Ida Fløystad, Snorre B. Hagen, Øystein Flagstad. 2019. Estimation of gene flow into the Scandinavian ...
    • Estimation of gene flow into the Scandinavian wolverine 

      Kleven, Oddmund; Ekblom, Robert; Spong, Göran; Lansink, Gerhardus M. J.; Aspi, Jouni; Creel, Scott; Kojola, Ilpo; Kopatz, Alexander; Koskela, Anni; Kvist, Laura; Singh, Navinder; Kindberg, Jonas; Ellegren, Hans; Flagstad, Øystein (NINA Rapport;1617, Research report, 2019)
      Kleven, O., Ekblom, R., Spong, G., Lansink, G. M. J., Aspi, J., Creel, S., Kojola, I., Kopatz, A., Koskela, A., Kvist, L., Singh, N., Kindberg, J., Ellegren H. & Flagstad, Ø. 2019. Estimation of gene flow into the Scandinavian ...
    • Evolution of female promiscuity in Passerides songbirds 

      Lifjeld, Jan Terje; Gohli, Jostein; Albrecht, Tomas; Garcia-del-Rey, Eduardo; Johannessen, Lars Erik; Kleven, Oddmund; Marki, Petter Z.; Omotoriogun, Taiwo Crossby; Rowe, Melissah; Johnsen, Arild (Journal article; Peer reviewed, 2019)
      Background: Female promiscuity is highly variable among birds, and particularly among songbirds. Comparative work has identified several patterns of covariation with social, sexual, ecological and life history traits. ...
    • Extra‑pair paternity and sperm length variation in the socially monogamous Fieldfare Turdus pilaris 

      Kleven, Oddmund; Fiske, Aksel N.; Håvik, Magnus; Kroglund, Rolf Terje; Østnes, Jan Eivind; Schmoll, Tim (Peer reviewed, 2019)
      Basic knowledge about the genetic mating system is lacking for the great majority of the approximately 10,000 extant bird species. Filling this knowledge gap is not only critical for a comprehensive understanding of the ...
    • Fjellrev i Norge 2013. Resultater fra det nasjonale overvåkingsprogrammet for fjellrev 

      Eide, Nina Elisabeth; Ulvund, Kristine R.; Flagstad, Øystein; Kleven, Oddmund; Landa, Arild Magne (NINA Rapport;992, Research report, 2013-11)
      Det nasjonale overvåkingsprogrammet for fjellrev ble etablert i sin nåværende form i 2003, i tilknytning til den første handlingsplanen for fjellrev. Gjennom overvåkingsprogrammet for fjellrev kontrolleres kjente ...
    • Fjellrev i Norge 2014. Resultater fra det nasjonale overvåkingsprogrammet for fjellrev 

      Eriksen, Lars; Eide, Nina Elisabeth; Flagstad, Øystein; Kleven, Oddmund; Ulvund, Kristine R.; Landa, Arild Magne (NINA rapport;1080, Research report, 2014)
      Fjellreven er et av Norges mest utrydningstruede pattedyr, oppført som kritisk truet på den norske rødlista. Til tross for fredning siden 1930 har fjellreven i Norge inntil nylig vært i vedva-rende tilbakegang, delbestander ...