Saving Seafood

Climate change: 5 signs it’s already begun in New Jersey

August 11, 2017 — By now, most are aware of the dire warnings: Climate change is coming and its effects are going to be especially painful for residents of the Jersey Shore.

While the timing of the truly catastrophic predictions remains fuzzy — Will the barrier islands be lost in 2050? 2100? Later? Sooner? — there are signs that irreversible change has already begun.

From economic and public health challenges to the more obvious outcomes of heat waves and rising seas, climate change has a foothold in New Jersey.

1. Migrating fish

There are about 3,000 commercial fishermen in New Jersey and thousands more who work at processing plants, wholesalers or in shellfishing.

“Fishermen knew about climate change a long time ago,” said Tom Fote, an officer with the Jersey Coast Anglers Association. “We started seeing stocks of fish moving farther north.”

As water temperatures rise, fish move northward, seeking deeper, cooler waters. Higher acidity in the ocean damages crabs, scallops, clams and other shellfish, according to the U.S. Environmental Protection Agency.

Read the full story at the Asbury Park Press

Seven Species of Giant Clam on Deck for Federal Protection

June 28, 2017 — The National Marine Fisheries Service announced that seven of ten giant clam species petitioned for listing under the Endangered Species Act need further study. The 90-day review process found that the petition provided enough scientific evidence to move seven of the species to the second stage of the ESA listing process, known as the 12-month status review.

The petition was filed by “private citizen” Dwayne W. Meadows Ph.D., formerly the Coordinator for the NMFS’ Species of Concern Program, who is a conservation biologist and educator, with additional background in SCUBA diving and underwater photography.

Giant clams live along shallow shorelines and reefs in the tropical Indo-West Pacific region. The largest of the giant clam species, Tridacna gigas, grows up to 4.5 feet wide and can weigh up to 440 pounds. “The petition points out that the giant clam (T. gigas) is preferentially targeted for international trade due to its large size and because it is considered a desirable  luxury item in China thought to confer supernatural powers and improve health,” the action notes. “A pair of high quality shells (from one individual) can fetch up to US $150,000.”

A United Nations tribunal arbitrated a dispute between the Philippines and the People’s Republic of China last year regarding maritime rights in the South China Sea, including the matter of China’s poaching of giant clams.

“The Tribunal is particularly troubled by the evidence with respect to giant clams, tons of which were  harvested by Chinese  fishing vessels from Scarborough  Shoal,  and  in  recent  years, elsewhere in the Spratly Islands. Giant clams (Tridacnidae)… play a significant role in the overall growth and maintenance of the reef structure…Excavation is highly destructive, with early reports showing a drop in coral cover by 95 percent from its original value. More recently, fishermen  in  the  South  China  Sea  are  reported  to  utilize  the  propellers  of  their  boats  to excavate shells from reef flats in the Spratly Islands on an industrial scale, leading to near-complete destruction of the affected reef areas,” the report stated.

Read the full story at Courthouse News Service

MAINE: Red tide prompts state to close many clam flats

May 24, 2017 — A large segment of the Maine coastline between Old Orchard Beach and Harpswell was declared off-limits to clam harvesting this week because of red tide, adding further restrictions to a much larger area that has been under a shellfish harvesting prohibition for more than a month.

The Maine Department of Marine Resources and its Bureau of Public Health made the announcement on Monday, warning that the ban on clam harvesting takes effect immediately because of the threat of paralytic shellfish poisoning caused by red tide.

According to the department’s announcement, it is unlawful now to dig for clams in the area between Old Orchard Beach and Harpswell.

The clam harvesting ban, which applies only to soft-shell, hard-shell and razor clams, will affect clam digging areas on Cousins Island in Yarmouth, Chebeague Island in Cumberland, Woodward Point in Brunswick, Foster Point in West Bath, and Basin Point in Harpswell.

Jeff Nichols, a spokesman for the marine resources department, said a regional ban that prohibited the harvesting of mussels, European oysters and carnivorous snails was implemented April 3. The regional shellfish ban affects the area between South Berwick in York County and Pemaquid Point in the Lincoln County community of Bristol, he said. Clam harvesting may still occur in flats to the south of Old Orchard Beach and north of Harpswell under the regional ban.

Read the full story at the Portland Press Herald

Clammers feeling the pinch as green crabs threaten another harvest

May 22, 2017 — Clammers face a shrinking harvest again this year after predator green crabs survived the mild winter, but one scientist may have an answer – aquaculture.

The second mild winter in a row means Maine’s tidal flats will likely be overrun by large, ravenous invasive green crabs this summer.

That’s bad news for the state’s already weakened soft-shell clam industry. One green crab can consume 40 half-inch clams a day and will dig 6 inches to find clams to eat. In 2016, clam landings fell 21 percent, from 9.3 million to 7.3 million pounds, the lowest total reported since 1991, according to the state Department of Marine Resources.

Some of the landings decline was undoubtedly a result of an unusual bloom of toxic algae that forced a monthlong shellfishing ban along about a third of Maine’s coastline last fall. But researcher Sara Randall of the Downeast Institute in Beals notes that a review of clam landings in towns with traditionally high numbers south of the Deer Isle-Stonington closure line found that 19 out of 24 towns, or 79 percent, had harvested fewer clams.

For example, from 2015 to 2016, landings fell 35 percent in Harpswell, 87 percent in Yarmouth and 21 percent in Scarborough. In Freeport, a town on the front line of the effort to combat the green crab invasion, landings decreased 17 percent despite efforts by municipal officials, clammers and researchers like Randall, among others, to use protective measures such as nets and other tools to ward off the green crabs.

The mild winter may only make matters worse. Clammers had hoped for a cold winter so the deep freeze and ice would kill off a lot of the crabs, allowing the clam seed still found in high numbers in Maine waters a chance to settle in the tidal flats and grow, forming those telltale tiny holes that tell clammers a harvest awaits them under the mud.

Read the full story at the Portland Press Herald

Oysters remain king as growers race to meet consumer demand

January 23, 2017 — Demand for oysters continues to trend upward heading into 2017, with production capacity expanding to satiate consumer demand.

According to a panel of bivalve and oyster experts speaking at the National Fisheries Institute’s 2017 Global Seafood Market Conference in San Francisco, California, “the number of oyster growers [is] increasing just to keep up with demand.”

The rate of oyster consumption particularly at restaurants, remains strong, with the popular shellfish serving to elevate complementary species such as mussels, clams and scallops, noted the panel.

Read the full story at Seafood Source

Warming Oceans Could Make These Seafood Favorites Toxic

January 12, 2017 — In recent years, scientists have warned that climate change could have a disastrous effect on the ocean’s ecosystems as the world’s waters get warmer. But now, a new study suggests that widespread die offs of ocean-going species isn’t the only thing that warmer waters could cause: It might also make some seafood favorites too toxic to eat.

Chances are, most people haven’t heard of domoic acid, but it’s something that could be making more headlines soon enough. That’s because it’s a neurotoxin that can build up in sea creatures that are popular on the dinner table, like Dungeness crab, mussels, clams and anchovies, Clare Leschin-Hoar reports for NPR. And, according to a new study published in the Proceedings of the National Academy of Sciences, warmer waters lead to algae blooms that can cause elevated levels of this toxin in many of the ocean’s critters.

“When water’s unusually warm off our coast, it’s because the circulation and patterns in the atmosphere has changed, bringing warm water from elsewhere—and this is happening at the same time that we also see high domoic acid in shellfish. It has a very strong mechanistic connection,” Morgaine McKibben, study author and Oregon State University doctoral student tells Kavya Balaraman for Scientific American.

Domoic acid is produced by some kinds of algae, in particular one called pseudo-nitzschia. These microorganisms are the basis of the underwater food chain and thrive in warm waters, but can build up in sea life, causing serious health issues for humans and animals alike. As Leschin-Hoar explains, domoic acid first became known as a health threat in 1987, when an outbreak in Canada killed three people and sickened more than 100 with symptoms including vomiting, diarrhea and cramps. In serious cases, domoic acid poisoning can even cause seizures, numbing and memory loss.

Since then, officials have monitored domoic acid levels along the western North American coastline—and it’s been steadily rising over time. McKibben’s study looked at more than two decades worth of data gathered in the region and found a strong correlation between rising water temperatures and rising domoic acid levels, Stephanie Bucklin reports for LiveScience.

These elevated levels of domoic acid are already starting to affect the seafood business. In 2015, officials shut down Dungeness crab fisheries from Alaska to California for several months because of high domoic acid content, Balaraman reports, and similar shutdowns were enacted in 2016. This left the seafood industry in Washington state $9 million in the hole. To make matters worse, the toxin can linger in fisheries for as long as a year.

Read the full story at Smithsonian

Oysters, Clams, and More: Future of Green Farming in a Garden State?

November 1, 2016 — Streamlining regulations and getting rid of excessive paperwork could spark an upsurge in “green aquaculture” in New Jersey

In an effort to promote the eco-friendly aquaculture industry, the Senate and Assembly have unanimously passed a bill to reduce the paperwork involved in setting up this type of business. The lawmakers, who hope the governor will sign their bill to encourage “green aquaculture,” believe that fish-farming in New Jersey waters holds the potential to create jobs for the long term.

“We’ve made it virtually impossible for them to succeed. Only the most persistent people have been able to move forward,” said Jeff Van Drew (D-Cape May Court House), who sponsored the legislation (S-317) to drastically streamline regulations so applicants could essentially submit one packet to be distributed interdepartmentally instead of encountering the many conflicting demands they currently face.

Rutgers University estimates that the 160 aquaculture businesses already operating in the state contribute $36 million directly and indirectly to the economy. But considering that surrounding states have grown their aquaculture industries to 30 times the size of New Jersey’s, those aren’t nearly enough dollar signs for the Garden State’s legislators and would-be aquaculturalists; they think the legislation will help to cut out some of the 11 different state, local, and federal agencies with which those aspiring to be part of the industry currently must file paperwork.

The New Jersey Department of Agriculture defines aquaculture as “the raising of marine and freshwater organisms under controlled conditions” and includes “food fish and shellfish, cultured pearls, ornamental and aquarium fish, and plants for food, fuel, garden ponds and aquariums.”

Read the full story at the NJ Spotlight

Clam chowder calamity as fishing crew pulls up unexploded ordnance

August 12, 2016 — DOVER, Del. — A fishing crew apparently pulled up unexploded ordnance while clamming, leading to a fisherman being hospitalized with second-degree burns and the destruction of more than 700 cases of chowder, officials said.

It’s unclear what the ordnance was, but fishing vessels along the Atlantic Coast routinely dredge up munitions, including mustard agent, that was dumped at sea decades ago when environmental laws were far more lax.

The injured fisherman was treated at a hospital in Philadelphia for burns and blisters, said U.S. Coast Guard Petty Officer Seth Johnson. Such injuries are consistent with mustard agent exposure.

The crew of the fishing vessel the William Lee found what they believed was an old or discarded ordnance canister on Aug. 2 and threw it back into the ocean 30 miles east of Barnegat Inlet, Johnson said.

Read the full story from the Associated Press at the Providence Journal

To Help New England Fisheries, Cooking Up Invasive Crabs

July 26, 2016 — They have green backs, pink bellies and are only about 2 inches in diameter. The green crab is an invasive predator that’s been destroying clam and scallop populations from South Carolina to Maine — since they were introduced here two centuries ago.

Now, some New England chefs are looking for ways to put this invasive species – on the menu.

“I’m probably gonna upset some of my fisherman friends,” says Brendan Vesey, the chef at The Joinery, an upscale restaurant in Newmarket, N.H. “Because I think Tuna is delicious, and I understand why we catch it, but I currently don’t serve it.”

Why? He says – eating that one big predator at the top of the food chain throws off the whole ecosystem. Instead of seared tuna steaks Vesey serves invasive Green Crab Bisque, with seared fish, fresh peas, and house-made bacon.

Fisherman Everett Leach stops by the restaurant to drop 20 pounds of green crabs, clawing and crawling in a plastic bucket. As he stops one from escaping, another crawls out of the bucket.

“Keep an eye on ‘em, they’re runners,” he warns Vesey.

Read the full story at Rhode Island Public Radio

MAINE: Mild winter heats up efforts to protect Casco Bay’s clams

May 2, 2016 — Soft-shell clams are a summer tradition around Casco Bay, both for the tourists and residents who love steamers and for the clam diggers who turn long, backbreaking hours on the mud flats into cold, hard cash.

But an infestation of invasive green crabs ravaged juvenile clam stocks in the past four years, adding to ecological changes, competition for coastal access and other pressures facing the state’s second most valuable fishery. Clam landings in the Casco Bay communities of Freeport, Harpswell and Brunswick, some of the state’s leading clam producers, plummeted to historic lows in 2015, and the scarcity of soft-shell clams contributed to all-time high prices.

While some shellfish managers say clam populations have rebounded thanks to a few cold winters that killed off green crabs, harvesters are anxious that the mild winter this year could produce a resurgence of green crabs and throw the fragile industry into a tailspin.

Those fears have clam diggers and scientists stepping up efforts to defend clam beds with boxes and nets. And they are fueling calls for a sea change in the management of soft-shell clams by leasing clam beds so that clammers can better protect the resource from predators.

Some are sounding alarms that without human intervention, the resource faces total collapse.

“Unfortunately, it doesn’t look like people are just going to be able to go out and dig clams like they have without the protection element,” said Sara Randall, a Freeport researcher working with clammers in that town.

Others worry about an overreaction. Although most agree that active management and conservation efforts will be required in the future, not all believe the industry is facing a doomsday.

“We realize there is a bunch going on, but we don’t see it as the end of wild harvest,” said Darcie Couture, a marine scientist working with Harpswell clammers.

Read the full story at the Portland Press Herald