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Wadden Sea Region Planning Portal
http://gis.eucc-d.de/waddengis_mapfish/index.htm

Dredging Activities
http://www.ospar.org/

Sediment Extraction Denmark
http://miljoegis.mim.dk/cbkort?profile=miljoegis-raastofferhavet
http://naturstyrelsen.dk/vandmiljoe/havet/raastoffer/statistik-om-raasto...

Sediment Extraction Germany
http://nibis.lbeg.de/cardomap3/

Environmental Data Lower Saxony
http://mdi.niedersachsen.de/HeronKaDI/JAVA_SCRIPT/37_Portal/

Environmental Data Schleswig-Holstein
http://s-h.nokis.org/cadenza/pages/home/welcome.xhtml