Seagrass Meadows Improve Polluted Seawater

Seagrass meadows are bountiful underwater gardens that nestle close to shore and form the most common coastal ecosystem on Earth. New research published in Science on February 16, 2017 shows that seagrass meadows can reduce bacterial exposure for corals, other sea creatures, and humans. Drew Harvell, Ecology and Evolutionary Biology, describes how this ecosystem works.

Video Credit: Carla Schaffer/AAAS