Ethnoecology and swidden agriculture system of the Brao-Kavet Indigenous Peoples of Ratanakari Province, Northeast Cambodia

arroz bamboos bambou cambodge cambodia camboya crop rotation cultivo migratorio ecologia ecologie ecology encuestas ethnic groups faune et flore sauvages fisheries indigenous knowledge nonwood forest products pesca produit forestier non ligneux rice riz rotation culturale shifting cultivation surveys vida silvestre wildlife