Conservation areas Land Resources 3 Natural Resource Economics, (New March 2000) 3 Leisure, Recreation and Tourism Economics, (New March 2000) 2 National parks 2 Nature tourism 2 Protected areas 2 Tourism and Travel 2 Biodiversity 1 Biological Resources (General) 1 Conservation 1 Ecotourism 1 Environmental impact 1 Environmental management 1 Finance 1 Frontier areas 1 Heritage tourism 1 Infrastructure 1 Investment, Finance and Credit 1 Marine parks 1 National parks and reserves 1 Nature conservation 1 Planning 1 Policy and Planning 1 Politics 1 Social Psychology and Social Anthropology, (New March 2000) 1 Social impact 1 Socioeconomics 1 Sustainability 1 Tourism 1