3.2. Effect of cattail on sulfate removal
Wetland plants can either enhance sulfate reduction by supplying
organic carbon as exudates or inhibit this process by
transferring oxygen to the rhizosphere (Stein et al., 2007;Wiessner et al., 2010).
As shown in Fig. 1, sulfate reduction was
marginal in the W3 microcosm, due to the lack of sufficient
available carbon sources.