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Maine Aquaculture Projects Dredge Up Memories Of Polluted, Industrial Waterways

November 8, 2018 —  At a recent hearing in Kittery, so many people showed up to weigh in on the proposed expansion of an oyster-growing operation in a local creek, Department of Marine Resources hearing officer Amanda Ellis had to make a choice.

“Based on the number that we’re seeing we’ve made the decision to postpone the hearing,” she said.

But opponents such as Mike Dowling were still plenty willing to talk.

“I have many concerns, there’s a whole group of us, introducing over 2,500 objects suspended or floating into the creek creates a pinch point, and everyone uses that little sandy beach to go swimming,” he said.

Such complaints do arise with aquaculture enterprises, with neighbors — sometimes including fishermen — worrying about water access, environmental effects and property values. Up the coast in Maquoit Bay, near Brunswick, a proposed 40-acre shellfish farm is meeting some stiff resistance.

And then there’s Belfast, where a proposal to site what would be one of the world’s largest indoor salmon farms is stirring talk of the darker days, when the city was dominated by chicken processors.

Read the full story at WBUR

Sound technology helping scientists assess health of Maine shrimp population

November 10th, 2016 — This winter, a small fleet of Maine fishermen will head out to hunt for northern shrimp, even though the fishery itself has been closed for three years.

 They won’t be landing the New England delicacy so it can be eaten. The fishermen will use acoustic transducers, and a few nets and traps, to help the Gulf of Maine Research Institute learn where these small pink crustaceans congregate in our near-shore waters over the winter, where they lay their eggs. Using sound waves to survey a species as small as shrimp is a new challenge for scientists.

“We have found low-frequency sound waves are good at detecting big fish, like cod, and high frequencies are good at detecting small organisms like shrimp,” said research associate Adam Baukus of GMRI. “The technology allows us to cover a lot more of the ocean than we can with trawls or traps alone. With sound, we can do 40 miles at a time. … Traditional (trawl) surveys are lucky to cover a quarter mile.”

To collect the data, GMRI has outfitted 10 lobster boats with echosounders, high-tech fish finders, to conduct monthly surveys of near-shore waters from Kittery to Cutler in January, February and March, which is the height of what used to be a $70 million fishing season. The lobstermen, who receive small stipends to cover fuel costs, will survey the same 40-mile-long stretch of water each time.

Read the full story at the Portland Press Herald 

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