Oyster farms are all the rage—until they block

This article was first featured on Hakai Magazine, A publication online about science and society in coastal environments. You can read more stories like these at hakaimagazine.com.

From the shore, you have to squint to see them—the 50 or so objects that look like large black duffel bags floating in several rows near the surface of Napeague Bay in East Hampton, New York. And if it’s…