Collaborative institutions in Croatia:
Ministry of Environmental and Nature Protection
Ministry of Agriculture
Croatian Waters
Croatian Meteorological and Hydrological Service
Croatian National Institute of Public Health
Croatian Bureau of Statistics
Agency for Inland Waterways
University of Zagreb, Faculty of Science, Division of Biology
International collaborative institutions:
European Environment Agency - EEA
EUROSTAT
Hessian Agency for the Environment and Geology - HLUG
UNESCO
The Flemish Environment Agency - VMM
Norwegian Institute for Water Research - NIVA