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.
2018
Authors
Shane C. Frank Martin Leclerc Fanie Pelletier Frank Narve Rosell Jon Swenson Richard Bischof Jonas Kindberg Hans Geir Eiken Snorre Hagen Andreas ZedrosserAbstract
1. There is a growing recognition of the importance of indirect effects from hunting on wildlife populations, e.g., social and behavioral changes due to harvest, which occur after the initial offtake. Nonetheless, little is known about how the removal of members of a population influences the spatial configuration of the survivors. 2. We studied how surviving brown bears (Ursus arctos) used former home ranges that had belonged to casualties of the annual bear hunting season in southcentral Sweden (2007-2015). We used resource selection functions to explore the effects of the casualty's and survivor's sex, age, and their pairwise genetic relatedness, population density, and hunting intensity on survivors' spatial responses to vacated home ranges. 3. We tested the competitive release hypothesis, whereby survivors that increase their use of a killed bear’s home range are presumed to have been released from intraspecific competition. We found strong support for this hypothesis, as survivors of the same sex as the casualty consistently increased their use of its vacant home range. Patterns were less pronounced or absent when the survivor and casualty were of opposite sex. 4. Genetic relatedness between the survivor and the casualty emerged as the most important factor explaining increased use of vacated male home ranges by males, with a stronger response from survivors of lower relatedness. Relatedness was also important for females, but it did not influence use following removal; female survivors used home ranges of higher related female casualties more, both before and after death. Spatial responses by survivors were further influenced by bear age, population density, and hunting intensity. 5. We have showed that survivors exhibit a spatial response to vacated home ranges caused by hunting casualties, even in non-territorial species such as the brown bear. This spatial reorganization can have unintended consequences for population dynamics and interfere with management goals. Altogether, our results underscore the need to better understand the shortand long-term indirect effects of hunting on animal social structure and their resulting distribution in space. Spatial response, kinship, competition, spatial reorganization, harvest, social structure
Authors
Nicholas Clarke Silje Skår O. Janne Kjønaas Kjersti Holt Hanssen Tonje Økland Jørn-Frode Nordbakken Toril Drabløs Eldhuset Holger LangeAbstract
Short-term (three to four years) effects of forest harvesting on soil solution chemistry were investigated at two Norway spruce sites in southern Norway, differing in precipitation amount and topography. Experimental plots were either harvested conventionally (stem-only harvesting, SOH) or whole trees, including crowns, twigs and branches were removed (whole-tree harvesting, WTH), leaving residue piles on the ground for some months before removal. The WTH treatment had two sub-treatments: WTH-pile where there had been piles and WTH-removal, from where residues had been removed to make piles. Increased soil solution concentrations of NO3–N, total N, Ca, Mg and K at 30 cm depth, shown by peaks in concentrations in the years after harvesting, were found at the drier, less steep site in eastern Norway after SOH and WTH-pile, but less so after WTH-removal. At the wetter, steeper site in western Norway, peaks were often observed also at WTH-removal plots, which might reflect within-site differences in water pathways due largely to site topography.
2017
Authors
Bjørn Kløve Hanne Margrethe Lund Kvitsand Maria J. Gunnarsdottir Sylvi Gaut Tarja Pitkänen Sigurdur Gardarsson P. Rossi Ilkka MiettinenAbstract
No abstract has been registered
Authors
Oddvar SkreAbstract
No abstract has been registered
Authors
Kimm J.E. van Hulzen Claus J. Scholz Barbara Franke Stephan Ripke Marieke Klein Andrew McQuillin Edmund J.S. Sonuga-Barke John R. Kelsoe Mikael Landén Ole Andreassen Klaus-Peter Lesch Heike Weber Stephen Faraone Alejandro Arias-Vasquez Andreas Reif Søren Dalsgaard Srdjan Djurovic Omar Gustafsson Morten Mattingsdal Ingrid Melle Gunnar Morken Johannes SchumacherAbstract
No abstract has been registered
Authors
E. Martyniuk B. Berger D. Bojkovski D. Bouchel S.J. Hiemstra C. Marguerat V. Matlova Nina SætherAbstract
No abstract has been registered
Authors
Sascha Köpke Jürgen Kasper Peter Flachenecker Helge Meissner A. Brandt Björn Hauptmann Gabriele Bender Imke Backhus A.C. Rahn J pöttgren Eik Vettorazzi C. HeesenAbstract
No abstract has been registered
Authors
Årolilja Svedal Jørgensrud Ingun Grimstad Klepp Kate FletcherAbstract
This book presents a unique collection of 50 methods for exploring the actions, relationships and material contents of wardrobes. Organised as a practical guide to gathering information about people and their clothing beyond the point of purchase, it includes visual, tactile and verbal methods and others which involve making together, loitering and a session in the gym. With contributions from four continents from both in- and outside academic circles, this book and the real lives of wearers of clothes that are its focus, create a powerful new narrative of a more diverse, resourceful, emancipatory and holistic fashion and clothing system.
Authors
Anders AasAbstract
No abstract has been registered
Abstract
No abstract has been registered