... 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 ... 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 the world. Vietnam s ... the North to the South, 90 % of hard coral species in the Indo-Pacific has been found in Vietnamese waters - Vietnam s natural ecosystem include a rich variety of productive and beautiful...