Every year 100 million cubic metres of marine sediment are dredged to improve waterways around ports. Dredging, in its practice, disturbs local ecosystems, brings sediments into the water column, and can stir up pollutants captured in the sediments.
Eve,ry year 100 million cubic metres of marine sediment are dredge,d to improve waterways around ports. Dredging in its practice, disturbs local ecosystems, brings sediments into the water column and can stir up pollutants captured in the sediments.