Natural resource tenure systems and their implication for agriculture, food security and nature conservation in Africa

acceso a la tierra afrique occidentale agricultura agriculture animal resources burkina faso cameroun camerun comunidades rurales conservation de la nature faune et flore sauvages fishery resources food resources food security forest resources gambia gambie land access land policies mode de faire-valoir natural resources nature conservation recursos alimentarios recursos de la fauna recursos del suelo recursos forestales recursos naturales recursos pesqueros ressource alimentaire ressource animale ressource en sol ressource halieutique ressource naturelle rural communities seguridad alimentaria soil resources tenencia tenure vida silvestre wildlife