Association governed by the law of 1901, recognized by public utility, composed of nearly 2,500 member companies. Its mission is to lead and coordinate the standards development process and promote their application. AFNOR is the central core of the French standardization system.
Status associated with a body of water, determining the owner: maritime public domain, public waterways domain, State-owned property, local government (municipal, departmental, regional, mixed syndicate), public institution, association, group or company, private property or undetermined.
Station located on a hydrographic entity (river, lake, canal, etc), in which measurements or samples are made for physico-chemical, microbiological ... analyses to determine the quality of the aquatic environments in this area. It concerns a space in which it is possible to make measurements at different sites deemed consistent and representative of the station
All sampling actions in an aquatic environment, which are conducted on a measuring station and at a given moment, in order to know and follow the fish populations.
Index for assessing the biological quality of the water of a river through an analysis of macro invertebrates. The value of this index depends on both the quality of the physical environment (bottom structure, habitat diversity, river bank status, etc) and water quality.