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
Forfattere
Daniel RasseSammendrag
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Forfattere
Hans Martin HanslinSammendrag
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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
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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Forfattere
Xiao Huang Hanna Marika Silvennoinen Bjørn Kløve Kristiina Regina Tanka P. Kandel Arndt Piayda Sandhya Karki Poul Erik Lærke Mats HöglindSammendrag
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Forfattere
Martin Forsius Maximilian Posch Maria Holmberg Jussi Vuorenmaa Sirpa Kleemola Algirdas Augustaitis Burkhard Beudert Witold Bochenek Nicholas Clarke Heleen de Wit Thomas Dirnböck Jane Frey Ulf Grandin Hannele Hakola Johannes Kobler Pavel Krám Antti-Jussi Lindroos Stefan Löfgren Tomasz Pecka Pernilla Rönnback Krzysztof Skotak Józef Szpikowski Liisa Ukonmaanaho Salar Valinia Milan VáňaSammendrag
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2020
Sammendrag
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