Wetland Systems

Volatilization of ammonia, denitrification, and plant uptake (if the vegetation is harvested) are the potential methods of nitrogen removal in wetland systems (Gersberg et al., 1983). Studies in Canada (Wile et al., 1985) demonstrated that a regular harvest of cattails still accounted for only about 10% of the nitrogen removed by the system. These findings have been confirmed elsewhere, which indicates that the major pathway for nitrogen removal is nitrification followed by denitrification.

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