[Vegetational- and reindeer-grazing conditions in the Isortoq-area, South-West Greenland]

arctic tundra browse plants climatic factors couche de neige crianza libre cubierta de nieve effectif du cheptel facteur climatique free range husbandry grazing greenland groenland groenlandia lichen lichenes livestock numbers natural pastures pastizal natural pastoreo plantas de ramoneo plante d'abroutissement prairie naturelle reindeer renne reno snow cover toundra arctique tundra artica