The National Environmental Research Institute has the overall responsibility for surveillance of the Danish waters. Surveillance of fjords and coastal waters is carried our by the regional authorities, while NERI is responsible for mapping the open waters. All of the surveys are part of the Danish nationwide monitoring programme NOVANA All marine NOVANA data (regional and state) are collected annually in the national marine database, MADS, by NERI. For further reading and data see http://mads.dmu.dk . The Danish Institute for Fisheries Research carries out yearly surveys in Danish waters, primarily in the North Sea and the Baltic Sea. Relevant oceanographic parameters are measured and recorded for these areas. Furthermore, DMI is involved in the following projects: • Measurements of water transports across the Greenland-Scotland Ridge • Monitoring of the oceanographic conditions along West Greenland • Monitoring of the oceanographic conditions around the Faroe Islands.