Lamb mortality in Lesja, Oppland 1997 with management-relevant comments

agneau aigle capteur cordero crianza extensiva damage eagles economic analysis extensive husbandry foxes gestion des ressources grazing highlands lambs lince losses lynx lynxes marginal land monitoring mortalidad mortalite mortality mustelidae natural pastures noruega norway pastizal natural pastoreo perte prairie naturelle predation predator prey relations renard resource management sensores sensors terre marginale tierras marginales vigilancia zorro