Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Wasserwirtschaft-de#Sense
Régimen de aguas-es#Sense
Régime des eaux-fr#Sense
Regime idrico-it#Sense
Water development-en#Sense
Water management-en#Sense
Idrologia-it#Sense
Water utilization-en#Sense