Gulf of Maine Archives - Page 28 of 100

MAINE: Microplastics are harming the Gulf of Maine’s baby lobsters, study finds

July 14, 2020 — A study by scientists at a marine research laboratory indicates that plastic pollution in the Gulf of Maine likely is creating problems for the lobster population.

Researchers at Bigelow Laboratory for Ocean Sciences in Boothbay examined how microplastics — pieces of plastic broken down into tiny particles — affect lobster larvae in the gulf. They found that lobster larvae, which float in the water column and typically are found in shallow water, get fibers caught under their shells and sometimes ingest particles.

The issue of pollution in the Gulf of Maine, where millions of pounds of lobster fishing gear is deployed each year, has environmental and economic implications for Maine. The commercial statewide lobster harvest in 2019 alone accounted for more than $485 million in fishing revenue in the state, nearly three-quarters of all of Maine’s fisheries landings value that year.

The study, published in the scientific journal Marine Pollution Bulletin, showed young larvae are more likely to get microplastic fibers trapped under their shells that protect their gills, and were the least likely to survive heavy concentrations of microplastics. Older larvae had less fiber accumulation under their shells but were shown to ingest the plastic, which could pose health consequences as they get older.

Read the full story at the Bangor Daily News

Lobsters, sea scallops are moving out of southern New England

July 13, 2020 — Researchers have projected significant changes in the habitat of commercially important American lobster and sea scallops along the Northeast continental shelf. They used a suite of models to estimate how species will react as waters warm. The researchers suggest that American lobster will move further offshore and sea scallops will shift to the north in the coming decades.

The study’s findings were published recently in Diversity and Distributions. They pose fishery management challenges as the changes can move stocks into and out of fixed management areas. Habitats within current management areas will also experience changes — some will show species increases, others decreases, and others will experience no change.

“Changes in stock distribution affect where fish and shellfish can be caught and who has access to them over time,” said Vincent Saba, a fishery biologist in the Ecosystems Dynamics and Assessment Branch at the Northeast Fisheries Science Center and a co-author of the study. “American lobster and sea scallop are two of the most economically valuable single-species fisheries in the entire United States. They are also important to the economic and cultural well-being of coastal communities in the Northeast. Any changes to their distribution and abundance will have major impacts.”

Saba and colleagues used a group of species distribution models and a high-resolution global climate model. They projected the possible impact of climate change on suitable habitat for the two species in the large Northeast continental shelf marine ecosystem. This ecosystem includes waters of the Gulf of Maine, Georges Bank, the Mid-Atlantic Bight, and southern New England.

Read the full story at EcoRI

Can New England’s cod fishing industry survive?

July 6, 2020 — It’s said cod were once so plentiful in New England they would throw themselves into a boat. It’s said you could walk across their backs to shore.

Gloucester, Massachusetts, grew up around cod. The waterfront teemed with boats and fishermen, heaps of fish thrashing in wire baskets. Boats were inherited from fathers and shipyards boasted of operating since 1684. As late as the 1980s, the cod were so abundant and large (30-50lb each) that the fishermen still brought in big hauls. Cod remains the state fish of Massachusetts.

Today, you’re unlikely to find fresh Atlantic cod in any American food shop. The vast majority of the cod for sale is frozen, shipped in from Norway or Iceland. New England’s cod population has been diminished by new fishing technology, too many boats and foreign vessels, and poor management decisions. Both major stocks of North Atlantic cod in US waters – the Gulf of Maine and Georges Bank cod – are overfished. With the climate crisis warming waters and disrupting cod spawning behaviour and food sources, many scientists wonder if the stocks will survive at all.

In Gloucester, that has meant regulation to protect the stocks – including catch limits, monitoring and no-fishing zones. These have placed a burden on fishermen, many of whom dispute the scientific data, creating tension between some scientists and fishermen and threatening the identity of person and place in a town where culture and economy were, for centuries, intertwined around cod.

Read the full story at The Guardian

MAINE: MCFA’s Statement on today’s Climate Council Meeting

June 17, 2020 — The following was released by the Maine Coast Fishermen’s Association:

“Today, the Energy Working Group proposed the development of offshore wind as a solution to address our state’s energy needs,” said Ben Martens, executive director of the Maine Coast Fishermen’s Association. “The industrialization of the Gulf of Maine, through the development of offshore wind, is something the fishing community is increasingly concerned about. We hope that a real and robust outreach effort to fishermen is undertaken before any decision is made as to how to achieve our state’s goals for carbon reduction.”

Martens added, “Fishermen have been stewards of Maine’s marine environment for generations and they want to be included in discussions that have the potential to impact not just their livelihood but the environment that they love and depend on. Because of the lack of industry representation on the council and because of the poor precedent set by Aqua Ventus, we are worried that once again Maine’s fishermen will be last to be invited to the table.”

Measuring Atlantic Bluefin Tuna with a Drone

June 10, 2020 — This novel use of drones is a promising way to remotely monitor these hard-to-see fish

Researchers have used an unmanned aerial system (or drone) to gather data on schooling juvenile Atlantic bluefin tuna in the Gulf of Maine.

This pilot study tested whether a drone could keep up with the tuna while also taking photographs that captured physical details of this fast-moving fish. The drone was equipped with a high-resolution digital still image camera. Results show that drones can capture images of both individual fish and schools. They may be a useful tool for remotely monitoring behavior and body conditions of the elusive fish.

Individual fish lengths and widths, and the distance between fish near the sea surface, were measured to less than a centimeter of precision. We used an APH-22, a battery-powered, six-rotor drone. The pilot study was conducted in the Atlantic bluefin tuna’s foraging grounds northeast of Cape Cod in the southern Gulf of Maine.

“Multi-rotor unmanned aerial systems won’t replace shipboard surveys or the reliance on manned aircraft to cover a large area,” said Mike Jech, an acoustics researcher at the Northeast Fisheries Science Center in Woods Hole, Massachusetts and lead author of the study. “They have a limited flight range due to battery power and can only collect data in bursts. Despite some limitations, they will be invaluable for collecting remote high-resolution images that can provide data at the accuracy and precision needed by managers for growth and ecosystem models of Atlantic bluefin tuna.”

Read the full story at Environment Coastal & Offshore

Lobsters and Sea Scallops Moving Out of Southern N.E.

June 5, 2020 — Researchers have projected significant changes in the habitat of commercially important American lobster and sea scallops along the Northeast continental shelf. They used a suite of models to estimate how species will react as waters warm. The researchers suggest that American lobster will move further offshore and sea scallops will shift to the north in the coming decades.

Read the full story at EcoRI

Researchers predict warming Atlantic will push lobsters offshore, scallops northward

June 4, 2020 — East Coast sea scallop stocks will likely follow lobsters in shifting away from rich Mid-Atlantic and southern New England grounds in the coming decades as a consequence of warming ocean waters, according to a new study that projects the impact of climate change on the two richest Atlantic fisheries.

Researchers used species distribution models and a high-resolution global climate model to picture the possible impact of climate change on habitat for lobsters and scallops in the Northeast continental shelf ecosystem, ranging from the New York Bight north to southern New England, Georges Bank and the Gulf of Maine.

Their findings, recently published in the journal Diversity and Distributions, suggest that over the coming 80 years both lobsters and scallops will be shifting northward, and lobsters also moving into deeper Gulf of Maine waters.

The researchers note that the latest benchmark assessment of the lobster stock, cited by the Atlantic States Marine Fisheries Commission in 2015, showed the stock in the southern Mid-Atlantic range was already severely depleted due to several environmental factors including recruitment failure and shell disease related to warmer waters.

Read the full story at National Fisherman

Maine Looking for New Ways to Save Whales From Fishing Gear

June 3, 2020 — Maine is in the final year of funding for a project that seeks to better protect endangered whales in the Gulf of Maine from entanglement in fishing gear.

The Maine Department of Marine Resources is using the project to collect data about vertical line fishing in the gulf, and develop a model to determine the fishing industry’s current use of the lines. The department is also hoping to use the model to predict the conservation benefits of new proposed regulations.

The state is slated to receive more than $200,000 in federal funds for the project this fiscal year, bringing the total federal money it has received to more than $700,000, the National Oceanic and Atmospheric Administration said in a statement.

Read the full story from the Associated Press at U.S. News

Enviros Want Salmon Listed on Maine Endangered List

June 2, 2020 — A coalition of Maine conservation groups is calling on the state to add the Atlantic salmon to its list of endangered species.

Maine’s rivers were once full of the salmon, but their population was decimated by overfishing, damming and environmental factors. They return only to a few rivers, and are protected under the federal Endangered Species Act.

The environmental groups, including Downeast Salmon Federation, the Maine chapter of the Native Fish Coalition, Friends of Merrymeeting Bay and several others, sent their request to the Maine Department of Inland Fisheries & Wildlife on Monday. They said the salmon belong protected by the Maine Endangered Species Act because “the only viable Atlantic salmon population in the United States is the Gulf of Maine distinct population segment.”

Read the full story from the Associated Press at U.S. News

Less Effort, More Lobster? New Research Suggests That Fewer Traps Can Still Yield Profitable Results

June 1, 2020 — New research suggests that the U.S. lobster industry could place fewer traps in the water and still gain just as much profit. And that finding could play a role in the debate over what should be required of Maine lobstermen to reduce entanglements with endangered North Atlantic right whales.

The study was published this week in the peer-reviewed Marine Policy Journal. Lead researcher Hannah Myers is a graduate student at the University of Alaska’s College of Fisheries and Ocean Studies. She took a close look at landings and other data from lobster-fishing territory that crosses the international Hague Line between Nova Scotia and Maine.

“We found that Canadian fishers in the Gulf of Maine caught about the same amount of lobster using seven and a half times less effort than Maine fishers on the U.S. side,” she says.

The researchers found that while the Canadians spent fewer days at sea and fished fewer traps, the traps they pulled had almost four times as many lobsters in them.

Read the full story at Maine Public