Saving Seafood

NOAA Seeking Volunteers in Tagging Tuna

February 8, 2019 — The National Oceanic and Atmospheric Administration (NOAA) is looking for help in tagging tuna.

The Atlantic Ocean Tropical Tuna Tagging Program was established by the International Commission for the Conservation of Atlantic Tunas in 2015 to study key aspects of bigeye, skipjack, and yellowfin tuna in the Atlantic Ocean.

As part of the AOTTP, Dr. Walt Golet from the University of Maine and the Gulf of Maine Research Institute will be working with colleagues at the New England Aquarium, University of Massachusetts Dartmouth, Massachusetts Division of Marine Fisheries, University of Miami, and NOAA Fisheries to deploy 5,000 conventional tags on tuna in the western North Atlantic Ocean.

The effort will stretch from Canada to Venezuela and also includes the Gulf of Mexico and the Caribbean.

Those interested in participating in the AOTTP project and would like to volunteer to tag bigeye, skipjack, and yellowfin tuna, can contact Dr. Walt Golet at walter.golet@maine.edu.

NOAA says every fish tagged will give participants a chance to win one of 20 individual cash prizes, totaling more than $39,000, to be awarded at the end of the project.

Read the full story at CapeCod.com

Good Luck Finding Maine Shrimp This Winter

November 28, 2018 — Shrimp from Maine is certainly less well-known than its crustacean cousin, Maine lobster. One of the primary reasons is that over 80 percent of American lobsters caught in the U.S. are from the state; meanwhile, even in a good year, Maine accounted for just a sliver of U.S. shrimp production, which as a whole only accounts for a sliver of the shrimp consumed in America, most of which comes from Asia. But another reason you may not hear much about shrimp from New England is that, this year, literally none will make it to market at all.

According to the Associated Press, the situation for Northern shrimp, also known as Pandalus borealis, is so dire that the Atlantic States Marine Fisheries Commission (ASMFC) is even shutting down a research program that had previously allowed a limited amount of shrimp from the Gulf of Maine to make it to market.

Though the shutdown should assure that what little supplies of Northern shrimp were being sold will no longer be available, it’s not like the supply has suddenly collapsed. After years of restrictions, the commission shut down all but the “research set aside” program since the 2014 season. Now, even that program for New England shrimp fishing reportedly won’t be allowed until 2021 when the moratorium is set to end. Even then, extensions of the closure are possible as stocks will be reevaluated year by year.

As recently as 2011, ASMFC data shows that landings were near 15 million pounds, the highest they’ve been since 1997. And Northern shrimp stocks have collapsed and rebuilt before: In 1978, the fishery was closed due to a stock collapse, but grew steadily throughout the ‘80s. However, this time around, the ASMFC appears to worry that things are different due to climate change. No previous closure has ever lasted anywhere near this long, and the commission has noted that “long-term trends in environmental conditions have not been favorable for” Northern shrimp. As Portland, Maine’s Press Herald reported last year, waters in the Gulf of Maine are warming faster than 99 percent of the world’s oceans, according to the Gulf of Maine Research Institute. The gulf already has the warmest waters these cold water-thriving shrimp can survive in; the even warmer winter waters are making it difficult for the species to spawn.

Read the full story at Food & Wine

Changing climate to put further pressure on New England, federal report predicts

November 26, 2018 — New England’s forests, fisheries and cultural traditions are already experiencing significant disruptions from a changing climate and will face additional transformation over the coming decades, according to a federal report released Friday.

Northeastern states are seeing some of the largest changes in the nation, yet conditions are shifting even faster in New England than the region as a whole, in some instances. Annual average temperatures in New England, for example, rose by roughly 3 degrees since the beginning of the last century compared to 1.8 degrees in the contiguous United States.

Those temperature changes – combined with shifts in precipitation levels and rapid warming in the Gulf of Maine – will continue to impact the health, economy and aging infrastructure of the region.

“For example, because much of the historical development of industry and commerce in New England occurred along rivers, canals, coasts, and other bodies of water, these areas often have a higher density of contaminated sites, waste management facilities, and petroleum storage facilities that are potentially vulnerable to flooding,” reads the report from 13 federal agencies.

“As a result, increases in flood frequency or severity could increase the spread of contaminants into soils and waterways, resulting in increased risks to the health of nearby ecosystems, animals, and people – a set of phenomena well documented following Superstorm Sandy,” the report says.

While the political debate over climate change continues, there is little doubt among fishermen or the scientists who work with them that the Gulf of Maine is changing. Maine fishermen now routinely see species once found only in southern or mid-Atlantic states while stocks of northern shrimp and cod have been depleted or moved north to cooler waters.

The report cited numerous examples of New England fishermen attempting to adapt to those changes and acknowledged that the arrival of new species will create new opportunities. But the authors also warned that markets, shoreside infrastructure as well as regulatory restriction on what fishermen can catch are often slower to respond.

Scientists also predict that species particularly important to New England face a bleaker future because of rising acidity levels as the oceans absorb more carbon dioxide from the atmosphere.

Read the full story at the Portland Press Herald

Why Is the Gulf of Maine Warming Faster Than 99% of the Ocean?

November 13, 2018 — Late last month, four endangered sea turtles washed ashore in northern Cape Cod, marking an early onset to what has now become a yearly event: the sea turtle stranding season.

These turtles—in last month’s case, Kemp’s ridley sea turtles—venture into the Gulf of Maine during warm months, but they can become hypothermic and slow moving when colder winter waters abruptly arrive, making it hard to escape.

“They are enjoying the warm water, and then all of a sudden the cold comes, and they can’t get out fast enough,” said Andrew Pershing, an oceanographer at the Gulf of Maine Research Institute in Portland, Maine.

Thanks to record-breaking summer water temperatures that quickly transition to cooler conditions, an expanded sea turtle stranding season is just one facet of a new normal for the Gulf of Maine, Pershing explained. And this new normal is a striking contrast to prior conditions.

This year, the Gulf of Maine has experienced only 45 days with what have not been considered heat wave temperatures. Such persistent warmth, scientists warn, can set off a series of other cascading effects on the marine life and fisheries that have historically defined the culture and economy of this region’s coastline.

Read the full story at Earth & Space Science News

Defenders of endangered right whales pursue limits on aquaculture

October 4, 2018 — Right whale defenders are now taking aim at aquaculture as they try to protect the highly endangered species from deadly fishing gear entanglements.

Advocates usually focus on the lobster industry, which is estimated to account for a million surface-to-seabed trap lines in East Coast waters, when talking about entanglement risks faced by the North Atlantic right whale, whose numbers have now dwindled to fewer than 450. But animal rights groups asking for federal intervention to avoid extinction of the whales are now asking regulators to reduce the threat of aquaculture entanglement, too.

Researchers from Whale and Dolphin Conservation, a U.K.-based nonprofit that advocates for marine animals, want regulators to reduce surface-to-seabed lines in all Gulf of Maine fisheries, not just lobstering. They name aquaculture and gill net as rope-based fishing methods that are known to entrap, injure and kill both humpback and right whales. They say it’s not fair for regulators, who are meeting next week, to seek rope reduction from lobstermen while issuing permits for other fisheries that use similar rope.

The proposal does not say how to implement this aquaculture reduction, or if it should apply to in-shore, near-shore or offshore operations. Maine has a small but rapidly growing aquaculture industry, accounting for about a quarter of Maine’s documented $6.5 million-a-year shellfish harvest. But consultants believe the value of Maine’s farmed oysters, mussels and scallops will more than quadruple in value over 15 years.

A market analysis prepared for the Gulf of Maine Research Institute in 2016 predicts Maine’s shellfish aquaculture industry will grow to $30 million by 2030.

Read the full story at the Portland Press Herald

Researchers Studying What Climate Change Could Mean for Fisheries in the Northeast

September 25, 2018 — SEAFOOD NEWS — Researchers with the Northeast Fisheries Science Center are studying warming ocean waters in an effort to understand what climate change could mean for “future stock conditions and the fisheries that depend on them.”

Congress recently provided the Northeast Fisheries Science Center with funding for a fisheries climate action plan that they released in 2016. Thanks to the funding, the Science Center now has 10 projects underway to “improve stock assessments through new modeling, better surveys, and more work to understand the vulnerabilities of coastal communities to climate change.”

The Science Center is working with fishermen, along with the Woods Hole Oceanographic Institution, the University of Massachusetts Dartmouth, State University of New York Stony Brook, Rutgers University Department of Marine and Coastal Sciences, Massachusetts Division of Marine Fisheries, NOAA Earth Systems Research Laboratory, NOAA Geophysical Fluid Dynamics Laboratory, NOAA Ocean and Atmospheric Research, Gulf of Maine Research Institute and Delaware Sea Grant.

A list of the stock assessment projects, survey projects, modeling projects and social science projects can be found here.

This story was originally published on SeafoodNews.com, a subscription site. It is reprinted with permission.

Waters off New England in midst of record year for warmth

August 31, 2018 — The waters off of New England are already warming faster than most of the world’s oceans, and they are nearing the end of one of the hottest summers in their history.

That is the takeaway from an analysis of summer sea surface temperatures in the Gulf of Maine by a marine scientist with the Gulf of Maine Research Institute in Portland. The average sea surface temperature in the gulf was nearly 5 degrees Fahrenheit above the long-term average during one 10-day stretch in August, said the scientist, Andy Pershing, who released the work Thursday.

Aug. 8 was the second warmest day in recorded history in the gulf, and there were other sustained stretches this summer that were a few degrees higher than the average from 1982 to 2011, Pershing said. He characterized this year as “especially warm” even for a body of water that he and other scientists previously identified as warming faster than 99 percent of the global ocean.

Read the full story from the Associated Press at ABC News

Fisheries and Climate Change: What’s Going On in New England?

August 28, 2018 — From cod to lobster, it’s no secret that New England’s fisheries are suffering at the hands of rising water temperatures and ecological shifts related to climate change. But, sometimes, it smacks you in the face.

This past week alone, a new assessment found no improvement in the Gulf of Maine shrimp fishery, which has been closed for five years. And another study linked rising water temperatures to the spread of a shell disease that has hit lobsters in southern New England hard in recent years.

Andrew Pershing, the chief scientific officer for Gulf of Maine Research Institute shared his thoughts on what’s happening in the New England fisheries, and while it’s not great, it’s not all bad news.

“You have to really put lobster in Maine and New Hampshire and north-of-Cape-Cod in the winner category, where the warming over the last 30 years has been a real boon to that population and it’s helped them achieve the record catches that people in Maine have had over the last three or four years,” Pershing said.

But in southern New England, those warming waters have been the cause of a decline. They’re essentially making it too hot for baby lobsters to thrive, and now it also seems to be contributing to the spread of a lobster shell disease.

Read the full story at WCAI

Climate Change Is Cooking The Oceans

August 16, 2018 — Heat waves aren’t just for land lubbers. Climate change has turned the oceans into cauldrons of scalding water, upending marine ecosystems around the world.

A new paper in Nature shows how marine heat waves have become more common and intense in recent decades, largely due to climate change. What’s worse, it shows that even if the world manages to limit warming to two degrees Celsius, the trend will continue and humans will ultimately be the main driving force for virtually every marine heat wave. If we let the world warm past that mark, the results could be catastrophic for the high seas.

The results point to the need to get marine life ready for a world of extreme heat and also take a greater focus on protecting the ocean wilderness we have left.

The role of human-caused climate change in intensifying land-based heat waves is now well-established. But less research has focused on the ocean, where extreme heat events in recent years have wiped out portions of the Great Barrier Reef, caused bull sharks to migrate further north, and left scientists scrambling to find ways to save coral. Individual events like the 2016 heat wave in the Great Barrier Reef have been tied to climate change (it made the heat wave 175 times more likely), but there hasn’t been a big picture look at the topic featuring projections into the future.

That’s what led a team of Swiss researchers used a mix of models and satellite measurements to get a handle on how marine heat waves have already changed and what the future holds for the globe. The satellite record, which runs from 1982-2016, helped ground truth the models they used to create a pre-industrial baseline—what the oceans looked like without all the extra heat trapped by greenhouse gas emissions. They then used the models to understand how climate change is affecting the extent, duration, and intensity of marine heat waves as well as project future changes.

The findings show the number of marine heat wave days doubled between 1982 and 2016, while heat waves also increased in extent and intensity. Moreover, they show that 87 percent of marine heat waves can be attributed to climate change, meaning they would not have occurred without it.

Read the full story at Gizmodo

Scientists struggle to measure change in the natural world

August 6, 2018 –We face a paradoxical bind, needing simultaneously to look backward and move forward. It’s dangerous, warn the editors of “Shifting Baselines: The Past and the Future of Ocean Fisheries,” to “ignore historical change and accept the present as natural.”

First coined in 1995 by marine ecologist Daniel Pauly, the term “shifting baselines” describes a widespread tendency to assess change using too recent a reference point – typically how conditions appeared early in a researcher’s life or career. When that pattern extends across generations, it can lead to a persistent ratcheting down of expectations – coming to accept as “normal” simplified food webs with less diversity and resilience.

Shifting baselines can, for example, prompt us to celebrate a population rebound that looks impressive in the context of a 30-year time span but pales in comparison to the population and range of that species 300 – or 3,000 – years ago.

Lisa Kerr, a fisheries ecologist at Gulf of Maine Research Institute (GMRI) in Portland, acknowledges how hard it can be for marine researchers to find appropriate reference points against which to measure change in fish stocks. Fisheries managers, she says, typically rely on data from 1980 onward. A longer historical context would be valuable, but is not always possible due to limited data.

Read the full story at the Portland Press Herald