Blar i NTNU Open på forfatter "Madsen, Jesper"
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Biding time before breeding: flexible use of the Arctic landscape by migratory geese during spring
Anderson, Helen; Hübner, Christiane E.; Speed, James David Mervyn; Madsen, Jesper; van der Wal, René (Journal article; Peer reviewed, 2015)Many millions of long-distance migrants use pre-breeding staging sites located adjacent to breeding grounds immediately prior to nesting, presumably to improve body condition and thus reproductive success. However, in ... -
Jakt på kortnebbgås (Anser brachyrhynchus) under høsttrekket i Nord-Trøndelag: Jaktens utførelse, sammensetning av utbyttet og mulige konsekvenser for den Svalbard-hekkende bestanden
Gundersen, Ove Martin (Master thesis, 2013)SammendragSvalbards hekkebestand av kortnebbgås, som trekker gjennom Norge til overvintring i Danmark, Nederland og Belgia, har økt markant de siste 30 årene fra omkring 20 000 individer på 1980-tallet til omkring 80 000 ... -
Low spatial habitat overlap of herbivores in the High Arctic tundra
Ravolainen, Virve; Paulsen, Ingrid Marie Garfelt; Eischeid, Isabell; Forbey, Jennifer Sorensen; Fuglei, Eva; Hájek, Tomás; Hansen, Brage Bremset; Loe, Leif Egil; Macek, Petr; Madsen, Jesper; Soininen, Eeva M; Speed, James David Mervyn; Stien, Audun; Tømmervik, Hans; Pedersen, Åshild Ønvik (Journal article; Peer reviewed, 2024)Herbivores play a crucial role in shaping tundra ecosystems through their effects on vegetation, nutrient cycling, and soil abiotic factors. Understanding their habitat use, co-occurrence, and overlap is therefore essential ... -
Seroprevalence of avian influenza in Baltic common eiders (Somateria mollissima) and pink-footed geese (Anser brachyrhynchus)
Lam, Su Shiung; Tjørnløv, Rune Skjold; Therkildsen, Ole Roland; Christensen, Thomas Kjær; Madsen, Jesper; Daugaard-Petersen, Tobias; Castano-Ortíz, Jose M.; Peng, Wanxi; Charbonneaux, Maël; Rivas, Esteban Iglesias; Garbus, Svend-Erik; Lyngs, Peter; Siebert, Ursula; Dietz, Rune; Maier-Sam, Kristina; Lierz, Michael; Tombre, Ingunn; Andersen-Ranberg, Emilie; Sonne, Christian (Peer reviewed; Journal article, 2020)Influenza viruses are negative-sense single-stranded RNA viruses within the family of Orthomyxoviridae (Alexander, 2008). It holds Influenza A, B, C and D. Influenza A, B and C cause disease in humans, while only Influenza ...