Coastal wetlands are nature's flood defences

Coastal wetlands—such as salt marshes—provide even more flood protection than previously thought, reducing the risk to lives and homes in estuaries, a new study has revealed.

Are coastal marshes drowning faster than expected?

Salt marshes are a fundamental habitat for fishes and birds, can capture and bury large quantities of organic carbon, and play an important role in protecting coastal communities from storm surges. Comprised of a delicate ...

Methane in tidal marshes

A pair of University of Delaware researchers were studying "blue carbon"—the carbon stored in coastal ecosystems such as mangrove forests, salt marshes or sea grasses—when they found something no one expected to see in ...

Scientists assess storage value in blue carbon ecosystems

When Hurricane Dorian roared up the East Coast during the first week of September, the places where people live and work in several states were under threat. The first line of protection against storm damage was made up of ...

High carbon dioxide can create 'shrinking stems' in marshes

For most plants, carbon dioxide acts like a steroid: The more they can take in, the bigger they get. But in a new study published Sept. 25, scientists with the Smithsonian discovered something strange happening in marshes. ...

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