This past November, on a fair but chilly day, John Denehy and his crew rode their weathered 18-foot motorboat from Winthrop to the northwest corner of Boston Harbor near Logan Airport, where they expected to find the usual goldmine of harvestable clams. This sweet spot, known as the Wood Island flats, has historically proved to be an exceptionally rich nursery ground. Combined with two other runway-side wetlands, last year Wood Island yielded nearly 150,000 pounds of clams, or about half of Boston's output.
On this trip, though, there was hardly any live catch to be found. Instead of a treasure trove, turn after turn revealed heaps of rancid shells. J.J. Gold, one of Denehy's two digging partners, says he was "pained to discover the barren conditions." Eyeing the terrain, Gold estimated that the soft-shell clam population had been fully decimated, which it turns out was indeed the case. That's when Denehy, leaning on one knee, puzzled, looked up and off the coast, where someone had fixed a boom to absorb what appeared to be an oil spill. "I was devastated," he says. "We were in such disbelief that I wanted to cry."
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