… In principle, two approaches are possible for the socio-economic analysis: the Ecosystem Services Approach  the Marine Water Accounts Approach Under the Ecosystem … categories of ecosystem services are marine fish stocks or the ability of marine systems to absorb and degrade, decompose or store wastes, toxins and other … to nitrate and pesticide inputs Safe water treatment is essential, especially for health reasons. Drinking water should be tasteless, odorless and colorless. Above …