Browsing NINA Brage by Author "Grøtan, Vidar"
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Elgen i Norge sett med jegerøyne. En analyse av jaktmaterialet fra overvå-kingsprogrammet for elg og det samlede sett elg-materialet for perioden 1966-2004
Solberg, Erling Johan; Rolandsen, Christer Moe; Heim, Morten; Grøtan, Vidar; Garel, Mathieu; Sæther, Bernt-Erik; Nilsen, Erlend Birkeland; Austrheim, Gunnar; Herfindal, Ivar (NINA Rapport;125, Research report, 2006)Solberg, E. J., Rolandsen, C. M., Heim, M., Grøtan, V., Garel, M., Sæther, B.-E., Nilsen, E. B., Austrheim, G., Herfindal, I. 2006. Elgen i Norge sett med jegerøyne - En analyse av jaktmaterialet fra overvåkingsprogrammet ... -
Interactions between demography and environmental effects are important determinants of population dynamics
Gamelon, Marlène; Grøtan, Vidar; Nilsson, Anna L. K.; Engen, Steinar; Hurrell, James W.; Jerstad, Kurt; Phillips, Adam S.; Røstad, Ole Wiggo; Slagsvold, Tore; Walseng, Bjørn; Stenseth, Nils Christian; Sæther, Bernt-Erik (Journal article; Peer reviewed, 2017)Climate change will affect the population dynamics of many species, yet the consequences for the long-term persistence of populations are poorly understood. A major reason for this is that density-dependent feedback effects ... -
More frequent extreme climate events stabilize reindeer population dynamics
Hansen, Brage B.; Gamelon, Marlène; Albon, Steve D.; Lee, Aline M.; Stien, Audun; Irvine, R. Justine; Sæther, Bernt-Erik; Loe, Leif E.; Ropstad, Erik; Veiberg, Vebjørn; Grøtan, Vidar (Journal article, 2019)treme climate events often cause population crashes but are difficult to account for in population-dynamic studies. Especially in long-lived animals, density dependence and demography may induce lagged impacts of ...