Motorized suction dredge mining in Washington harms our salmon, steelhead and the species that depend on them for survival, including our orca whales. Scientific studies show suction dredging degrades water quality through erosion and sedimentation and mobilization of mercury and other heavy metals; affects fish and the aquatic food web by destroying aquatic habitat, physically “processing” fish and aquatic life, creating fish stranding risks, and denuding riparian vegetation.
read more... https://www.heraldnet.com/opinion/commentarty-mining-method-sucks-the-life-from-salmon-streams/
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