Pastoral resources and strategies: Similarities and differences between the Rendille and Gabra of northern Kenya.

animal husbandry anthropologie sociale antropologia social arid zones asno asses bovin camello camels caprin caprinos cattle chameau climatic zones developing countries economic policies effectif du cheptel ethiopia ethnic groups etiopia family size ganado bovino goats hogares households kenia kenya livestock numbers nomadism nomadisme nomadismo ovin ovinos parcours pastoralism pastoralisme pastoralismo physiographic features rangelands sheep social anthropology taille de la famille tierras de pastos zone aride zone climatique