When devastation strikes the oceans, sharks can hold the key to recovery – Phys.org

A world without sharks is a world less resilient to extreme climate events, scientists say.
Predators, including some sharks, are known to be critical for maintaining stability and biodiversity in the world’s oceans. But according to a new study, they are also critical in helping ecosystems recover when devastation hits from hurricanes or marine heatwaves.
It’s a basic food web problem. Grazing animals, including turtles and dugongs, eat seagrass. Sharks eat the grazers. Grazers fear the sharks….

Click here to view the original article.