September 11, 2024 — The U.S. state of Maine’s USD 137 million (EUR 124 million) aquaculture industry is attracting investment and creating new job opportunities, but filling those jobs as fast as they’re opening has become an issue.
The Maine Aquaculture Association estimates that based on current growth trends, aquaculture businesses statewide will be short 1,300 employees 15 years from now, making workforce development a crucial issue for the industry if it wants to expand as planned.
September 11, 2024 — According to a study by researchers at William & Mary’s Batten School of Coastal & Marine Sciences, the American lobster may be more resilient to the effects of climate change than expected. For the first time, experiments performed at the Virginia Institute of Marine Science (VIMS) have documented how female American lobsters groom their offspring, providing evidence that these behaviors are not significantly impacted by temperature and acidity levels forecasted for Maine’s coastal waters by the end of the century.
The findings are published in the journal Marine Ecology Progress Series.
Despite being one of the largest commercial fisheries in the U.S. with an annual economic impact of more than $460 million in Maine alone, few studies have documented the reproductive behavior of female American lobsters. With the Gulf of Maine warming faster than nearly any other ocean surface on the planet, it’s important to understand how the effects of climate change will impact the sustainability of the species and the fishery it supports.
“Brood grooming by female lobsters has been anecdotally observed, but it had not been quantitatively recorded before,” said Abigail Sisti, who is completing her Ph.D. in Marine Science at the Batten School and is lead author on the study. “In other crustaceans, these behaviors can have a significant impact on the survival of their offspring. Because the environment supporting the lobster fishery is rapidly changing, we wanted to understand how it might impact the way they care for their offspring.”
Female American lobsters can produce thousands of eggs that they hold under their tails for long periods of time, between five to 12 months, as the embryos develop. In other crustaceans, grooming behaviors help clear out parasites, remove dead eggs and facilitate the flow of water carrying oxygen and nutrients through the densely packed egg masses.
The study was part of a larger effort to determine how multiple stressors affect the reproductive success of the species. In this study, the researchers were testing whether increases in water temperatures and acidity had an impact on grooming behaviors and embryo survival.
September 10, 2024 — Great Northern Salmon (GNS) announced it is commencing pre-construction work in preparation for its salmon recirculating aquaculture system (RAS) facility in Millinocket, Maine, U.S.A., in mid-September.
The company – formerly known as Katahdin Salmon – is a project of Xcelerate Aqua and is aiming to build a 10,000-metric-ton (MT) salmon RAS in two phases, with its first phase of construction capable of 5,000 MT, which can later be expanded. Great Northern Salmon plans to build the facility on the site of the former Great Northern Paper Co. mill, as part of the One North industrial site.
September 9, 2024 — The federal government is preparing to sell offshore wind power plots in the Gulf of Maine after determining that leasing the area would not harm the environment.
The Bureau of Ocean Energy Management said that installing buoys and conducting surveys to assess leases across one million acres of ocean would have no significant environmental impact.
September 9, 2024 — Fishermen are gravely concerned that regulators are stealing our futures with baseless cuts to landing quotas. Rep. Jared Golden is taking positive steps to fix this problem.
It often happens that government regulators, who lack deep knowledge of what it takes to catch fish in the Gulf of Maine, reach conclusions about the state of our fish stocks that do not match what fishermen are seeing and what we know from being on the water every day.
The obvious objection whenever we raise this concern is that “anecdote is not the plural of data.” The doubters ask: Why would an individual fisherman know more than a government agency with a dataset? That’s a fair question.
The answer is this – we know what tactics regulators are using to catch fish for their surveys, and we know they don’t work. We know where regulators are conducting surveys, and we know fish don’t hold in those waters. We know how extensive the surveys are, and we know they aren’t thorough enough.
September 9, 2024 — Orange, blue, calico, two-toned and … cotton-candy colored?
Those are all the hues of lobsters that have showed up in fishers’ traps, supermarket seafood tanks and scientists’ laboratories over the last year. The funky-colored crustaceans inspire headlines that trumpet their rarity, with particularly uncommon baby blue-tinted critters described by some as “cotton-candy colored” often estimated at 1 in 100 million.
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A recent wave of these curious colored lobsters in Maine, New York, Colorado and beyond has scientists asking just how atypical the discolored arthropods really are. As is often the case in science, it’s complicated.
Lobsters’ color can vary due to genetic and dietary differences, and estimates about how rare certain colors are should be taken with a grain of salt, said Andrew Goode, lead administrative scientist for the American Lobster Settlement Index at the University of Maine. There is also no definitive source on the occurrence of lobster coloration abnormalities, scientists said.
“Anecdotally, they don’t taste any different either,” Goode said.
In the wild, lobsters typically have a mottled brown appearance, and they turn an orange-red color after they are boiled for eating. Lobsters can have color abnormalities due to mutation of genes that affect the proteins that bind to their shell pigments, Goode said.
September 6, 2024 — US regulator Bureau of Ocean Energy Management (BOEM) has approved its environmental assessment (EA) for a giant floating wind area in the Gulf of Maine holding some 15GW of potential capacity.
The EA authorises developers to carry out site assessment activities such as installation of meteorological buoys and surveys, a key step allowing a lease sale to go forward. Any projects planned for the region following the lease sale will need to undergo a more thorough environmental impact statement (EIS).
September 6, 2024 — Collin Roesler wants us to have a better understanding of the algae that cause red tides in Maine.
A professor in the Earth and Oceanographic Science Department at Bowdoin College, she studies phytoplankton, notably Alexandrium fundyense. This single-celled marine plant is the source of a neurotoxin that can contaminate shellfish such as mussels, clams and oysters. People who consume shellfish tainted by the toxin can experience paralytic shellfish poisoning, which can be fatal.
One of her current research projects is focused on Alexandrium in Harpswell Sound and in Lombos Hole, near the head of the sound. Her work is unlocking information that has implications for efforts to monitor and predict serious red tide events.
September 5, 2024 — Two years after its first public announcement in August 2022, the Bureau of Ocean Energy Management (BOEM) plans to hold public auctions for eight offshore wind energy leasing areas in the Gulf of Maine this October.
During the public comment period ahead of the auction, BOEM received more than 100 comments, many of which mentioned the potential effects of floating wind turbines on the marine environment, seafood stocks, and commercial fishermen’s livelihoods.
One concern is the large power cables that will transfer electricity from the offshore wind turbines to the mainland. The power flowing through these cables generates electromagnetic fields, or EMFs, that some worry could disrupt the movement of lobsters across the seafloor or even affect their reproductive health.
Scientists who spoke with the Independent said that EMFs from offshore wind farms are not a cause for panic but do merit further investigation.
“Things aren’t just going to turn upside-down dead,” said Andrew Gill, a lead scientist at the U.K.-based Centre for Environment, Fisheries, and Aquaculture Science who has published research on the effects of undersea power cables on lobsters.
It’s important to address the concerns of fishermen with further studies, Gill added. “We need to identify what the concerns are and have the appropriately designed studies to help address them.”
August 29, 2024 — The Gulf of Maine’s warming waters are profoundly affecting Maine’s working waterfront in more ways than one. Over the past decade, sea surface temperatures have surged, with recent years experiencing record-breaking warmth. This trend, largely attributed to climate change, poses significant challenges to local fisheries, but it also opens doors to new opportunities.
Over the last 10 years, there has been an unprecedented increase in the sea surface temperatures throughout the Gulf of Maine—something many scientists blame on manmade climate change. Out of the last six years, four of our summers have endured the warmest waters for Maine’s Gulf, with 2021 breaking a new record.