Blar i Divisjon for miljø og naturressurser på forfatter "Hagen, Snorre"
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Mitogenomics of the suborder Cottoidei (Teleostei: Perciformes): Improved assemblies, mitogenome features, phylogeny, and ecological implications
Maduna, Simo; Vivian-Smith, Adam; Jónsdóttir, Ólöf Dóra Bartels; Imsland, Albert; Klutsch, Cornelya; Nyman, Tommi; Eiken, Hans Geir; Hagen, Snorre (Peer reviewed; Journal article, 2022-03-02)We determined the mitogenome of Cyclopterus lumpus using a hybrid sequencing approach, and another four closely related species in the Liparidae based on available next-generation sequence data. We found that the mitogenome ... -
Monitoring of the Apple Fruit Moth: Detection of Genetic Variation and Structure Applying a Novel Multiplex Set of 19 STR Markers
Elameen, Abdelhameed; Eiken, Hans Geir; Fløystad, Ida; Knudsen, Geir; Hagen, Snorre (Journal article; Peer reviewed, 2018-04-08)The apple fruit moth Argyresthia conjugella (Lepidoptera, Yponomeutidae) is a seed predator of rowan (Sorbus aucuparia) and is distributed in Europe and Asia. In Fennoscandia (Finland, Norway and Sweden), rowan fruit ... -
Monitoring of the Pasvik-Inari brown bear (Ursus arctos) population in 2023 using hair traps
Kniha, David; Aspholm, Paul Eric; Fløystad, Ida; Hansen, Ane-Sofie; Søvik, Ingrid Helle; Magga, Sari; Randa, Rolf; Baklid, Lisbet H.; Ollila, Tuomo; Hagen, Snorre; Eiken, Hans Geir (NIBIO Rapport, Research report, 2024)Since 2005, the population of the trans-border brown bear (Ursus arctos) in Trilateral Park Pasvik-Inari (Norway-Finland-Russia) has been monitored by using genetic analyses of hair and faeces collected randomly in the ... -
Monitoring of the Pasvik-Inari-Pechenga brown bear (Ursus arctos) population in 2019 using hair trap
Beddari, Benedicte Lissner; Ogurtsov, Sergey; Magga, Sari; Kangasniemi, Jaru; Fløystad, Ida; Søvik, Inger; Randa, Rolf; Ollila, Leif E.; Lindgren, Vetle; Bakke, Beate Banken; Beddari, Vilde; Polikarpova, Natalia; Ollila, Tuomo; Hagen, Snorre; Eiken, Hans Geir (NIBIO Rapport;6(61) 2020, Research report, 2020-04)Siden 2005 har populasjonen av grenseoverskridene brunbjørn (Ursus arctos) i Trilateral Park Pasvik-Inari-Pechenga (Norge-Finland-Russland) blitt overvåket ved å bruke genetiske analyser av hår og ekskrement-prøver samlet ... -
Niche construction mediates climate effects on recovery of tundra heathlands after extreme event
Gonzalez, Victoria; Lindgård, Bente; Reiersen, Rigmor; Hagen, Snorre; Bråthen, Kari Anne (Peer reviewed; Journal article, 2021-02-04)Climate change is expected to increase the frequency and intensity of extreme events in northern ecosystems. The outcome of these events across the landscape, might be mediated by species effects, such as niche construction, ... -
Nivåer av tungmetaller og PCBer i elgkjøtt fra Sør-Varanger 2020
Aspholm, Paul Eric; Beddari, Benedicte; Søvik, Ingrid; Fløistad, Ida Marie Bardalen; Englund, Monica Strasser; Enge, Ellen Katrin; Vadset, Marit; Heimstad, Elbjørg Sofie; Hagen, Snorre (NIBIO Rapport, Research report, 2023)Under høstjakta på elg (Alces alces) i 2020 ble det tatt vevsprøver til analyser av tungmetaller og PCB. Tungmetallprøver ble tatt av 24 individer; 4 hunnkalver, 4 hannkalver, 3 hanner av åringer og 13 okser (voksne hanner). ... -
Novel insight into lepidopteran phylogenetics from the mitochondrial genome of the apple fruit moth of the family Argyresthiidae
Elameen, Abdelhameed; Maduna, Simo; Magerøy, Melissa; van Eerde, André; Knudsen, Geir; Hagen, Snorre; Eiken, Hans Geir (Peer reviewed; Journal article, 2024-01-02)Background The order Lepidoptera has an abundance of species, including both agriculturally beneficial and detrimental insects. Molecular data has been used to investigate the phylogenetic relationships of major subdivisions ... -
Range-wide whole-genome resequencing of the brown bear reveals drivers of intraspecies divergence
de Jong, Menno; Niamir, Aidin; Wolf, Magnus; Kitchener, Andrew C.; Lecomte, Nicolas; Seryodkin, Ivan V.; Fain, Steven R.; Hagen, Snorre; Saarma, Urmas; Janke, Axel (Peer reviewed; Journal article, 2023-02-06)Population-genomic studies can shed new light on the effect of past demographic processes on contemporary population structure. We reassessed phylogeographical patterns of a classic model species of postglacial recolonisation, ... -
Restoration of transborder connectivity for Fennoscandian brown bears (Ursus arctos)
Kopatz, Alexander; Kleven, Oddmund; Kojola, Ilpo; Aspi, Jouni; Norman, Anita J.; Spong, Göran; Gyllenstrand, Niclas; Dalén, Love; Fløystad, Ida; Hagen, Snorre; Kindberg, Jonas; Flagstad, Øystein (Peer reviewed; Journal article, 2021-01-03)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 ... -
Sea ice reduction drives genetic differentiation among Barents Sea polar bears
Maduna, Simo; Aars, Jon; Fløystad, Ida; Klutsch, Cornelya; Fiskebeck, Eve Marie Louise Zeyl; Wiig, Øystein; Ehrich, Dorothee; Andersen, Magnus; Bachmann, Lutz; Derocher, Andrew E.; Nyman, Tommi; Eiken, Hans Geir; Hagen, Snorre (Peer reviewed; Journal article, 2021-09-08)Loss of Arctic sea ice owing to climate change is predicted to reduce both genetic diversity and gene flow in ice-dependent species, with potentially negative consequences for their long-term viability. Here, we tested for ... -
Tap og drapstakter på rein og sau forårsaket av fredet rovvilt. En litteraturgjennomgang.
Hansen, Inger; Hagen, Snorre; Strand, Geir-Harald (NIBIO Rapport, Research report, 2023)Denne litteraturgjennomgangen samler kunnskapsgrunnlaget p.d.d. om tapsomfang, tapssammenhenger og drapstakter forårsaket av våre fredete rovviltarter på rein og sau, med hovedfokus på drapstakter. Studien viser at ... -
Towards better lumpfish: Changes in size variation, cataract development, behaviour and sea lice grazing through selective breeding
Imsland, Albert; Reynolds, Patrick; Kapari, Lauri Teemu; Maduna, Simo; Hagen, Snorre; Hanssen, Anne; Jónsdóttir, Ólöf Dóra Bartels (Peer reviewed; Journal article, 2023-09-05)The aim of this study was to evaluate whether sea lice grazing efficiency, behaviour, size variation and cataract development can be improved through selective breeding of lumpfish. A series of studies was conducted over ... -
Transcriptome profiling and in silico detection of the antimicrobial peptides of red king crab Paralithodes camtschaticus
Yakovlev, Igor; Lysøe, Erik; Heldal, Inger; Steen, Hege; Hagen, Snorre; Clarke, Jihong Liu (Peer reviewed; Journal article, 2020-07-29)Endogenous antimicrobial peptides (AMPs) are evolutionarily ancient factors of innate immunity, which are produced by all multicellular organisms and play a key role in their protection against infection. Red king crab ... -
Undersøkelse av antibiotikaresistensmarkørgenet nptII i norsk natur. Analyserapport: Forekomst av antibiotikaresistensmarkørgenet neomycin fosfotransferase II (nptII) i prøver fra 12 ville arter fra Norge
Forfang, Kristin; Hagen, Snorre; Elameen, Abdelhameed; Fløystad, Ida; Eiken, Hans Geir (NIBIO Rapport;4(100) 2018, Research report, 2018-08-15)Undersøkelse av antibiotikaresistensmarkørgenet neomycin fosfotransferase II (nptII) i prøver fra 12 ville arter fra Norge I et prosjekt fra Miljødirektoratet har vi testa for tilstedeværelse av nptII genet i 219 prøver ... -
Vannfugltellinger i Pasvik naturreservat - Oppsummering 1996-2020
Günther, Morten; Bjørn, Tor-Arne; Frantzen, Bjørn; Aspholm, Paul Eric; Hagen, Snorre (NIBIO Rapport;8(5) 2022, Research report, 2022)Denne rapporten presenterer resultatene fra 25 år med faste vannfugltellinger i Øvre Pasvik. Undersøkelsene er gjort i og omkring Pasvik naturreservat – et våtmarksområde som på grunn av sin rike og spesielle vannfuglfauna ...