Crabs killing Northeast saltmarshes, study confirms

Ample new evidence has been provided that the reason coastal saltmarshes are dying from Long Island to Cape Cod is that hungry crabs, left unchecked by a lack of predators, are eating the cordgrass. Long-held beliefs that physical forces, rather than disrupted food webs, are killing the marshes just aren't true, experts say. It's a problem that, properly understood, must now be managed.

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