Through sand extraction and the disposal of dredged harbor silt, about 200 million tons of sediment are relocated every year in the coastal waters of the North Sea. The Wadden Sea is particularly strongly affected. This is the result of a new study by the Helmholtz Center Hereon, which for the first time evaluated comprehensive data on dredging activities along the North Sea coasts.

Through sand extraction and the disposal of dredged harbor silt, about 200 million tons of sediment are relocated every year in the coastal waters of the North Sea. The Wadden Sea is particularly strongly affected. This is the result of a new study by the Helmholtz Center Hereon, which for the first time evaluated comprehensive data on dredging activities along the North Sea coasts.

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