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Scientists see long-term hope for Maine’s lobster fishery despite warming waters

June 13, 2022 — Dire predictions about the effects of global warming on Maine’s lobster population may be exaggerated and underestimate the potential that conservation measures have to preserve the fishery into the future.

Rapid warming in the Gulf of Maine and the collapse of lobster fisheries in southern New England have fueled predictions that lobsters will likely move north out of Maine waters in the coming decades. But ongoing research at the University of Maine is revealing a more optimistic long-term view of the Maine lobster fishery.

The UMaine scientists are now projecting that temperatures in Gulf of Maine will likely remain within lobsters’ comfort zone because of the gulf’s unique oceanographic features, though changing ocean currents are harder to predict. The researchers cautioned that the dynamics of global warming are complex and make it difficult to project far into the future with certainty.

Ocean stratification – where water of different densities separates into distinct layers – is keeping the bottom temperatures colder on the Gulf of Maine’s western side, the scientists say, while strong tidal mixing in the eastern gulf and the Bay of Fundy helps moderate the water temperature there during the summer. Because Maine waters have historically been so cold, they say, even a couple of degrees of warming should keep Maine’s bottom waters below 68 degrees, the temperature at which lobsters begin to show signs of stress, according to the Atlantic States Fisheries Management Council.

Read the full story at the Portland Press Herald

Omega Protein disputes article ‘attacking’ menhaden fishing

October 22, 2018 — US menhaden harvester Omega Protein has disputed the accuracy of recent statements made by a conservation group that wants to end commercial fishing of the species.

Paul Eidman of the group Menhaden Defenders recently wrote an essay, “Trouble comes to town”,  describing a fishing trip that an Omega vessel recently took to New Jersey and New York waters. That trip, Eidman asserted, harvested menhaden that otherwise would have been consumed by whales.

“This event sparked an outpouring of renewed interest in menhaden, and now local folks want to stop the harvest completely since Omega Protein is removing all of the whales’ food from the area,” Eidman wrote.

The company wrote in a Oct. 18 press release that all of its fishing, including the recent trip up north from its usual more southerly fishing grounds, complies with state and federal regulations and that Eidman’s piece got “key facts wrong”.

A limit on menhaden fishing was established by the Atlantic States Fisheries Management Council and Omega is in compliance with this limit, the company, which is owned by Canada’s Cooke Aquaculture, said.

“This limit ensures that the menhaden fishery is not taking a harmful amount of fish from whales’ diets. Last year, an analysis  using data from the 2017 Atlantic menhaden stock assessment found that current management leaves 92% of menhaden in the water to fulfill their role in the ecosystem,” the company said.

Read the full story at Undercurrent News

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