Publications
NIBIOs employees contribute to several hundred scientific articles and research reports every year. You can browse or search in our collection which contains references and links to these publications as well as other research and dissemination activities. The collection is continously updated with new and historical material.
2024
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Ruminants, including sheep, contribute significantly to methane emissions, thus resulting in high emissions per kg of product. However, they can utilise plant material unsuitable for human consumption, thereby transforming it into valuable, protein-rich food. Grazing also preserves cultural landscapes and can contribute to carbon sequestration. Under¬standing the balance between these factors within the climate change context is crucial. This study inves-tigates the environmental impact of meat, milk, and wool production from sheep farming in Norway and Slovenia.
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Annika M. Felton Robert Spitzer David Raubenheimer Per-Ola Hedwall Adam Felton Ruth V. Nichols Brendan L. O'Connell Jonas Malmsten Erik Löfmarck Hilde Karine WamAbstract
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Robert Spitzer Monica Ericson Annika M. Felton Morten Heim David Raubenheimer Erling Johan Solberg Hilde Karine Wam Christer Moe RolandsenAbstract
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C. Morgan-Davies G. Tesnière J.M. Gautier Grete H. M. Jørgensen E. González-García S.I. Patsios E.N. Sossidou T.W.J. Keady B. McClearn F. Kenyon G. Caja Lise Grøva M. Decandia L. Cziszter I. Halachmi C.M. DwyerAbstract
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Jason Lee Anders Marie Louise Davey Bram Van Moorter Frode Fossøy Sanne Boessenkool Erling Johan Solberg Erling Meisingset Atle Mysterud Christer Moe RolandsenAbstract
Parasitic nematodes are ubiquitous and can negatively impact their host by reducing fecundity or increasing mortality, yet the driver of variation in the parasite community across a wildlife host’s geographic distribution remains elusive for most species. Based on an extensive collection of fecal samples (n = 264) from GPS marked moose (Alces alces), we used DNA metabarcoding to characterize the individual (sex, age class) and seasonal parasitic nematode community in relation to habitat use and migration behavior in five populations distributed across a wide latitudinal gradient (59.6◦N to 70.5◦N) in Norway. We detected 21 distinct nematode taxa with the six most common being Ostertagia spp., Nematodirella spp., Trichostongylus spp., T. axei, Elaphostrongylus alces, and an unclassified Strongylida. There was higher prevalence of livestock parasites in areas with larger sheep populations indicating a higher risk of spillover events. The individual level nematode richness was mostly consistent across study areas, while the number and type of nematode taxa detected at each study area varied considerably but did not follow a latitudinal gradient. While migration distance affected nematode beta-diversity across all sites, it had a positive effect on richness at only two of the five study areas suggesting population specific effects. Unexpectedly, nematode richness was higher in winter than summer when very few nematodes were detected. Here we provide the first extensive description of the parasitic nematode community of moose across a wide latitudinal range. Overall, the population-specific impact of migration on parasitism across the distribution range and variation in sympatry with other ruminants suggest local characteristics affect hostparasite relationships. Alces alces Migration Habitat use Moose Nematode diversity