Can shellfish farming clean our coastal waters?

Coastal waters throughout the United States and the globe are suffering from an excess of nitrogen due to human activities. Excess nitrogen comes from a variety of sources such as wastewater treatment plants and can impact the health of coastal habitats. Coastal managers are adopting a variety of practices to limit the nitrogen inputs to coastal waters including improved stormwater and wastewater treatments, but could shellfish farming help clean our coastal waters? A study from Cape Cod, Massachusetts sought to quantify how much nitrogen can be removed from coastal waters through oyster and quahog farming.

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