Effects of artificial water points on the communal rangelands of the Uuvudhiya constituency, North-Central Namibia

abastecimiento de agua approvisionnement en eau arid zones biodiversidad biodiversity brousse capacidad de carga carrying capacity cisternas citerne common lands comunidades vegetales embalses environmental degradation environmental impact grasslands grazing herbage impact sur l'environnement impacto ambiental indigenous knowledge landscape namibia namibie opinion publique paisaje parcours pastoral society pastoreo paysage plant communities praderas public opinion rangelands scrublands sociedad pastoral tanks terre communale tierras comunales tierras de matorral tierras de pastos water reservoirs water supply zone aride