Valsts valodas centra izstrādātie vides zinātņu, zemes zinātņu un fiziskās ģeogrāfijas termini

Konteksts: [..] Water-quality objectives and criteria shall be based on the application of ecological classification methods and chemical indicesfor the medium-and long-term review of water-quality maintenance and improvement [..]
Avots: COUNCIL DECISION of 24 July 1995 on the conclusion, on behalf of the Community, of the Convention on the protection and use of transboundary watercourses and international lakes (95/308/EC)