Reef halo riddle: What’s behind the mysterious rings around coral?

https://www.newscientist.com/article/mg24232270-300-reef-halo-riddle-whats-behind-the-mysterious-rings-around-coral/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home

We long assumed that circles of bare sand around coral reefs are caused by fish nibbling away seaweed. But a 10-year investigation has found the truth is far murkier


Original Title: Reef halo riddle: What's behind the mysterious rings around coral?
Full Text of the Original Article: https://www.newscientist.com/article/mg24232270-300-reef-halo-riddle-whats-behind-the-mysterious-rings-around-coral/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home