The surface seawater samples of 31 stations were collected for spring,summer,autumn,winter in aquaculture ponds and its adjacent sea area of Qingduizi Bay during 2011 to 2012.Based on the analysis of total particulate matter(TPM) and particulate organic matter(POM),combining with the data of environmental hydrology,horizontal distribution and seasonal change of TPM and POM in these areas were analyzed.The results showed that the concentrations of TPM in aquaculture ponds varied between 3.37 mg/L and 44.12 m...