Seagrass: it might not sound very exciting, but according to experts these extensive marine flowering plants form the basis of one of the most productive ecosystems on Earth. In recent decades seagrass habitats have come under threat, from anthropogenic activities and climate change, and currently there is little consensus about which threats are causing the greatest damage.

via Development, pollution and dredging threaten seagrass more than climate change - environmentalresearchweb.