Abstract: | --The estuary
wetland is the last barrier for inlandpollutants flowing into the sea. The possibility to
use thenatural wetland, mainly reed marsh and Suaeda heteroptera communityas land
treatment system to polluted river water was studied.Experimental results indicated that
the reed march has a highretention rate to pollutants like COD, N, P and oil. The
canalsystem has high a purification rate to these elements as well.There is also a big
potential to use the Suaeda community as atreatment system to exchange water from prawn
and crab breedingponds along the coast. As the pollution problem of coastalseawater has
become more and more serious in Easteren China, andLiaohe is among the most seriously
polluted 7 rivers in China, thisstudy will greatly contribute to the strategy makers to
takesuitable reactions. |