Supported by National Water Special Project"River Water Environment Comprehensive Management Technology Study and Comprehensive demonstration"(2008ZX07209-002-002);China Institute of Water Resources and Hydropower Research Open Fund(IWHRKF201013)~~
[Objective] The aim was to choose appropriate floating plant in the wetland in the north China.[Method] Pistia stratiotes L.,Eichhornia crassipes,and Hydrocharis dubia(Bl.) Backer were planted in the aquatic biologi...