Some 37.47 million juvenile Sinonovacula constricta were released in two batches in Sansha Bay, Fujian, Southeast China, in 2013 and 2014 in Areas Ⅰand Ⅱ(3 ha each) for stock enhancement. By monitoring the growth and biomass of S. constricta and major indicators to bottom environment in sediment, we evaluated the effect of S. constricta release in the bay. The results show that the density and biomass of S. constricta in the two areas of release increased significantly than those of the control, the capture...