This guidance standard defines procedures appropriate for ensuring the quality of aquatic macrophyte data from surveys of flowing waters.
Directives related to this standards.
Directive 2000/60/EC of the European Parliament and of the Council of 23 October 2000 establishing a framework for Community action in the field of water policy (substitutes Directive Reference 01/991 - Common Position on WFD)
40.60 Close of voting
Aug 28, 2002