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The influence of inundation depth on phytomass, shoot density, photosynthesis, elongation, and nutrients of Typha domingensis in Stormwater Treatment Area-1East (STA-1East) was examined and results were evaluated relative to phosphorus (P) treatment from 2006 to 2011. Biomass and nutrient concentrations of T. domingensis were not related to inundation depth. Necromass and belowground/leaf biomass...
I review the technology and application of free-water surface flow (FWS), macrophyte-dominated constructed treatment wetlands (CTWs) for pollutant removal. FWS-CTWs are used to remove a wide range of pollutants from various wastewaters. In FWS-CTWs, hydrologic conditions have a key influence on the biotic community, biogeochemical processes, and the fate of pollutants. Therefore, understanding the...
We examined the growth, biomass, photosynthesis, and chlorophyll fluorescence of Typha domingensis (southern cattail) in response to a six-week period of three flooding depths: 40, 91, and 137 cm above the soil surface and a subsequent four-week period of recovery at a 40-cm flooding depth. The 91- and 137-cm flooding significantly decreased the following: number of new shoots, number of live leaves,...
Growth and nutrient responses of Rhynchospora tracyi (Tracy’s beak-rush), a wet prairie species in the Florida Everglades, to redox intensity and phosphate availability were examined under controlled redox intensities (Eh: −150, +150, and +600 mV) and phosphate levels (P: 10, 80, and 500 μg P 1−1) for 60 days. Root length, total biomass, and photosynthesis of R. tracyi were higher at Eh+600 than at...
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