Environmental impact analysis 7 Environmental assessment 5 Environmental management-- Ecosystems 4 Biodiversity 3 Biodiversity conservation 3 Environmental policy 3 Ecological risk assessment 2 Ecosystem services 2 Environment 2 Environmental aspects 2 Environmental impact 2 Environmental law 2 Environmental management 2 Estuarine ecology 2 Estuarine pollution 2 Microbial ecology 2 Natural Resource Economics, (New March 2000) 2 SEA 2 Strategic Environmental assessment 2 Sustainable development 2 Agricultural Economics 1 Agricultural performance in different ecological zones 1 Agricultural policy 1 Agriculture 1 Agriculture and state 1 Assessment Planning 1 Biology 1 CAP 1 Case studies 1 Causation 1