The study was carried out on the Jiuduansha Shoals at the Yangtze Estuary. Jiuduansha Shoals are newly formed shoals, and comprise three parts: Shangsha, Zhongsha and Xiasha. In order to assess the plant community on the Jiuduansha shoals and put forward suggestions for environmental protection and exploiture in this area, we took the field investigations on the shoals in 2000 and 2001. The article focused on the advance vegetation community composition,structure , features, and the growth characteristics.;...