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The Boston Globe


Fertilizer harming Plum Island salt marsh, study finds

ROWLEY — David Johnson ­kayaked across a narrow channel and scrambled up a muddy bank into the heart of New England’s largest salt marsh.

After a 30-minute trek through woods, water, and fiercely biting flies, the Marine Biological Laboratory ­researcher stopped short in front of refrigerator-­sized pieces of marsh bank that had collapsed into two narrow creeks.

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