Introduction to Shiliugang River: Shiliugang River is one of the main sources of water supply for Haizhu Wetland. It is located in the middle of Haizhu District. The main river is 5.7 kilometers long, the water collection area is 17.5 square kilometers, and the river width is 25-160 meters. It is connected with Huangpu Yong. , Haizhuyong, Beihaoyong, etc. form the backbone water system of Haizhu District and are connected to the Pearl River.