Publikasjoner
NIBIOs ansatte publiserer flere hundre vitenskapelige artikler og forskningsrapporter hvert år. Her finner du referanser og lenker til publikasjoner og andre forsknings- og formidlingsaktiviteter. Samlingen oppdateres løpende med både nytt og historisk materiale. For mer informasjon om NIBIOs publikasjoner, besøk NIBIOs bibliotek.
2021
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Sammendrag
Norske klimaforskere kan ha kjent til menneskeskapt global oppvarming fra tidlig på 1960-tallet. Men først på 1980-tallet ble det et høyaktuelt tema. Hvorfor tok det så lang tid?
Forfattere
Susanna Kugelberg Fabio Bartolini David R. Kanter Anna Birgitte Milford Kajsa Pira Alberto Sanz-Cobena Adrian LeipSammendrag
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Forfattere
Annette Bär Elena Albertsen Bolette Bele Kristin Daugstad Synnøve Grenne Simon Jakobsson Erik Solbu Pål Thorvaldsen Per Vesterbukt Sølvi Wehn Line JohansenSammendrag
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Forfattere
Alexander Kopatz Oddmund Kleven Ilpo Kojola Jouni Aspi Anita J. Norman Göran Spong Niclas Gyllenstrand Love Dalén Ida Marie Luna Fløystad Snorre Hagen Jonas Kindberg Øystein FlagstadSammendrag
Knowledge about the connectivity among natural populations is essential to identify management units for effective conservation actions. Conservation-minded management has led to the recovery of large carnivore populations in northern Europe, possibly restoring connectivity between the two separated, but expanding brown bear (Ursus arctos) populations on the Scandinavian peninsula to the west and Karelia, a part of the large Eurasian population, to the east. The degree of connectivity between these populations has been poorly understood, therefore we investigated the extent of connectivity between the two populations using autosomal microsatellites and Y chromosome haplotypes in 924 male bears (the dispersing sex), sampled during a period of 12 years (2005–2017) across the transborder area where these two populations meet. Our results showed that the two populations are not genetically isolated as reported in earlier studies. We detected recent asymmetrical gene flow at a rate (individuals per generation) of 4.6–5.5 (1%) from Karelia into Scandinavia, whereas the rate was approximately 27.1–34.5 (8%) in the opposite direction. We estimated historical gene flow of effective number of migrants to be between 1.7 and 2.5 between the populations. Analyses of Y chromosome markers supported these results. Successful recovery and expansion of both populations led to the restoration of connectivity, however, it is asymmetric, possibly due to different recovery histories and population densities. By aligning monitoring between neighboring countries, we were able to better understand the biological processes across the relevant spatial scale. Brown bear Genetic structure Male gene flow Microsatellites Migration Recovery Ursus arctos Wildlife monitoring Y chromosome
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Forfattere
Nicholas Clarke Lars Pødenphant Kiær O. Janne Kjønaas Teresa Gómez de la Bárcena Lars Vesterdal Inge Stupak Leena Finér Staffan Jacobson Kestutis Armolaitis Dagnija Lazdina Helena Marta Stefánsdóttir Bjarni D. SigurdssonSammendrag
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