Environmental conditions Human ecology 4 Social conditions 4 Social life and customs 3 Civil rights 2 Climatic changes 2 Conservation of natural resources 2 more ... Cultural fusion 2 Ecology 2 Ethnoecology 2 Ethnology 2 Government policy 2 Land tenure 2 Manners and customs 2 Politics and government 2 Rain forest ecology 2 Right of property 2 Subsistence economy 2 Traditional ecological knowledge 2 Traditional farming 2 Agriculture 1 Buddhism 1 Civilization 1 Commerce 1 Description and travel 1 Economic conditions 1 Economic policy 1 Environmental aspects 1 Fishing 1 Foreign relations 1 less ...