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The phytoremediation of selenium by two different wetland species was investigated. Selenium (20.4 μg/l) was supplied continuously to subsurface flow constructed wetlands, one vegetated with Typha latifolia L. and the other with Phragmites australis (Cav.) Trin. ex Steud. The beds of both species had same hydraulic loading rate (0.079 m 3 /m 2 /d) and water retention time (24 h). However,...
The gas-exchange potential of three wetland species (helophytes) was examined in an aquatic model vegetation facility (AMOVA) using sulfur hexafluoride (SF 6 ) as a tracer. Three beds containing gravel and vegetated with Phragmites australis, Typha latifolia and Schoenoplectus lacustris were compared to an unvegetated gravel bed as a reference. A mass balance of SF 6 emissions revealed...
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