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A 2014 study found that tanks with floating wetlands populated with Iris pseudacorus removed 54 times more nitrogen and 10 times more phosphorus from the water than a control tank with no vegetation.

Keizer-Vlek, Hanneke E., Piet FM Verdonschot, Ralf CM Verdonschot, and Dorine Dekkers. (2014). The contribution of plant uptake to nutrient removal by floating treatment wetlands. Ecological Engineering73, 684-690.


Water quality, Wetland

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