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Macroinvertebrates are the basis of the aquatic food web. I am concernec that suction dredging eliminates these vital organisms at the expense of salmon and other riverine species, such as the endangered lamprey which lives in larval form in bottom sediments for years. The question of mercury-laden tailings is also worrisome. This process should be carefully studied and regulated if necessary.

posted 2 years, 12 months ago
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