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Sociology (2) | Economic Incentives and Regulation (1) | Institutional Arrangements for Environmental Protection (1) | Control of Animal Pests, Diseases and Exotic Species in Farmland, Arable Cropland and Permanent Cropland Environments (1) | Control of Plant Pests, Diseases and Exotic Species in Farmland, Arable Cropland and Permanent Cropland Environments (1)
Urban and Industrial Flora, Fauna and Biodiversity (2) | Conservation and Biodiversity (2) | Expanding Knowledge in the Environmental Sciences (2) | Palaeontology (incl. Palynology) (1) | History and Philosophy Of Specific Fields (1)