Salt marsh recovery isn’t enough to offset destroyed older wetlands, study finds
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Along Earth’s coastlines, grassy wetlands flooded by seawater, called salt marshes, trap and store carbon at rates roughly 40 times higher than forests on land. As salt marshes have expanded in some regions, scientists were hopeful their carbon stores might have largely recovered as well, but a new study found that’s not the case. Researchers measuring carbon storage in salt marsh soil found that destruction of the world’s salt marshes resulted in a net loss of roughly half a million metri
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