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Fishing trawlers could harm water quality by disrupting seafloor microbes

"Fishing boats that drag nets along the sea floor to catch seafood can indiscriminately harm marine life and destroy habitat. Now, a new study suggests “bottom trawling” can also disrupt the ability of microbes in sediment to remove excess nutrients in coastal waters, potentially increasing that pollution. “This is one of the first papers to look at actual biogeochemical effects of bottom trawling,” says Sebastiaan van de Velde, a marine biogeochemist at the University of California, Riverside, who was not involved. “The whole angle is very novel.” [...]"

Source: Science

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