The comprehensive evaluation of the Dongjiang river area wetland ecosystem in order to formulate a reasonable policy to provide a scientific basis. According to the results of water quality monitoring of wetland functional areas,7 functional areas accounting for 70% of the water quality standards. Water quality does not meet the 3 functional areas,accounting for 30%. According to the water quality target of wetland function area,there are 2 main water quality standards,accounting for40% of the total. Non-co...