According to their genetic features,coastal wetlands can be divided into three types: reed and grass wetlands of estuary, grass and salt marsh of plain coast, and mangrove swamps located in the shel.

• 按成因与表相可分为:河口芦苇、草滩湿地,平原海岸草滩盐沼湿地及在华南隐蔽港湾顶部红树林沼泽湿地3种类型。