Sami reindeer management under technological change 1960-1990: Implications for common-pool resource use under various natural and institutional conditions. A comparative analysis of regional development paths in West Finnmark, North Troendelag, and South Troendelag/Hedmark, Norway

agricultural policies agricultural structure climatic factors cold zones common lands condiciones sociales condition sociale crianza libre desarrollo regional effectif du cheptel ethnic groups facteur climatique facteur de production free range husbandry grazing systems highlands interest groups land ownership lichen lichenes livestock management livestock numbers living standards manejo del ganado mechanization niveau de vie nivel de vida nomadism nomadisme nomadismo noruega norway overgrazing pastoral society politique agricole production factors propiedad de la tierra regional development sistemas de pastoreo sobrepastoreo social conditions sociedad pastoral structure agricole terre communale tierras comunales topografia topographie topography zona fria zone froide