Dredges are large, metal-framed baskets that are dragged across the seafloor to collect shellfish like oysters, clams and scallops. In order to lift the catch into the basket, metal teeth dig into the seafloor, which can significantly impact seafloor habitat and bottom-dwelling species. Dredging also results in high levels of bycatch. By restricting dredging areas, bycatch and damage to seafloor life can be reduced.
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