Harmful to aquatic life. Suction dredging harms fish and other wildlife. Suction dredging reduces the ability of fish to see, feed, and spawn. Additionally, the turbidity and increased sedimentation caused by suction dredging can clog fish’s gills. These impacts further threaten Oregon’s fish and other aquatic wildlife, including endangered salmon species. Reduction in water quality. … Continue reading The Impacts of Suction Dredge Mining