The tropical coastlines of Southeast Asia are home to some of the most important and biodiverse marine ecosystems on the planet. However, they are also among its most vulnerable, with areas of coral reefs, mangrove forests and seagrass beds under increasing threat from a wide range of human activities. The tropical coastlines of Southeast Asia are home to some of the most important and biodiverse marine ecosystems on the planet. However, they are also among its most vulnerable, with areas of coral reefs, mangrove forests and seagrass beds under increasing threat from a wide range of human activities. Ecology Phys.org – latest science and technology news stories