... River in the North and Mekong River in the South.- In Vietnam, there are over 3,260 km of coastline and more than 3,000 islands.Vietnam’s geographical conditions result in high variation in ... in Vietnam Some main characteristics of Biodiversity in Vietnam In 1992, the World Conservation Monitoring Center evaluated Vietnam as one of the 16 most biologically diverse countries in ... more than 11,000 species including 2,500 marine fish, 225 shrimp, over 200 phytoplanton, nearly 700 zooplankton 100 mangrove plant, 15 sea grass and over 6,000 benthic inverterbrate species....