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Schlagwörter: Rivers
Belgium
21
Flanders
21
Rivers
Dredging
12
Floods
12
Germany
12
Hydrography
12
Netherlands
12
Tides
12
Water policy
12
Aquatic organisms
9
Biology and Life Sciences
9
Ecological assessment
9
European Union
9
Fresh water
9
Freshwater ecology
9
Invertebrates
9
Lakes
9
Surface water
9
Water Framework Directive
9
Water quality
9