In the 1960s, saltwater intrusion in a southeast Louisiana swamp killed the trees and plants that lived there. Now restored with freshwater, the swamp has become the perfect place for revegetation projects — particularly because healthy swamps can serve as a speed bump to slow hurricanes.
That’s one reason why the open water of Bayou Bienvenue, once home to cypress and tupelo trees, now hosts an island of native trees, grasses — and recycled glass. The artificial island is helping researchers understand a new approach to coastal restoration.
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