The study entitled "Characteristics of Substrate in the Coastal Zone Banyuasin and Their Impact on Mangrove Vegetation: Case Studies in Sungai Barong Kecil and Barong Besar was conducted in July-October 2014. This research aims to study and analyze the characteristics of the substrate in the Coastal Banyuasin and see the impact on mangrove vegetation, especially in the area of the Sungai Barong…