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Northeast seaweed: Maine production continues to climb; doubling projected by 2025

January 29, 2021 — Seaweed continues to be a promising industry in coastal communities along the U.S. East and West coasts. Globally, the industry is valued at $12 billion, but commercial growth could be boosted by improved processing infrastructure and expanded markets.

While 95 percent of edible seaweed products in the United States are imported, there is a wild and growing cultivated harvest in the Northeast. A March 2020 study published by the Island Institute, titled “Edible Seaweed Market Analysis,” looked at growth potential in Maine’s edible seaweed markets over the next 15 years. The report found that production in Maine will grow about 12 to 15 percent annually over the next decade and is expected to more than double seaweed production by 2025.

Sugar kelp and alaria aquaculture are low-barrier and relatively affordable. They provide value-added opportunities for commercial fishermen and local economies, particularly where wild fisheries have declined. Maine Department of Maine Resources data on farm raised seaweed indicates that in 2018, 53,564 wet pounds valued at $37,897 were landed. In 2019, 280,612 wet pounds valued at $176,132 were landed.

Atlantic Sea Farms, a large commercial seaweed farm in Maine with 24 partner farmers, grew 30,000 pounds of seaweed in 2018. This year, the company planted enough for 800,000 pounds. The crop Atlantic Sea Farms cultivates ends up in products including fresh and frozen seaweed in pureed cubes and ready-to-eat and fermented products.

Read the full story at National Fisherman

ALASKA: AFDF Announces 2021 Seaweed Farm Start-up Training Program

December 18, 2020 — The following was released by the Alaska Fisheries Development Foundation:

The Alaska Fisheries Development Foundation (AFDF) and partners released the registration for a Seaweed Farm Start-up Training Program to be held for Alaska residents interested in starting their own seaweed farm in Alaska. Registration for the program is now available on the Alaska Sea Grant website and will remain open until February 1, 2021. In 2020, this program was held in Kodiak, Ketchikan, and Sitka as part of Phase 2 of the Alaska Mariculture Initiative. In February of 2021, this program will be held again for a new cohort of participants, and will be conducted virtually via Zoom due to COVID-19 health and safety mandates. This virtual format will allow significant expansion of the training program, from 48 participants in 2020 to over 100 in 2021. Registration for the training program will be completed in two parts: 1) all interested Alaska residents are invited to register for a webinar to be held on February 2, 2021 at 4:00pm-6:00pm AST; and 2) webinar attendees will then be eligible to register for an in-depth series of virtual technical multi-day workshops over one week beginning on February 22 (2-3 hours each session). Participation in the February 2 webinar is required to be eligible for the technical workshop series. Please see below for more information.

Read the full release here

Additional Public Listening Session on December 3 for Aquaculture Opportunity Areas

November 25, 2020 — The following was released by NOAA Fisheries:

December 3, 2020 from 12 pm to 2 pm ET

Aquaculture Opportunity Areas (AOA), which are called for in the May 2020 Executive Order on Promoting American Seafood Competitiveness and Economic Growth, are defined as geographic areas that have been evaluated for their potential for sustainable commercial aquaculture. Selected areas are expected to support multiple aquaculture farm sites of varying types including finfish, shellfish, seaweed, or some combination of these farm types.

We have added a fifth AOA listening session to grant stakeholders another opportunity to provide comment. To ensure that all stakeholders, including the recreational and commercial fishing industries, from whom we would like to hear more, have the opportunity to provide comments the additional public listening session will be held December 3, 2020 from 12:00-2:00 ET.

Through the current request for information, which is open until December 22, the public and our stakeholders are encouraged to provide comments for AOA creation in federal waters off of southern California and the Gulf of Mexico as well as the location of future AOAs. The synthesis of public input and NOAA’s powerful data-driven siting analysis are essential elements to highlight space that is environmentally, socially, and economically appropriate for commercial aquaculture. We look forward to hearing from you. 

Read the full release here

Aggressive new seaweed is killing coral reefs in remote Hawaiian island chain

July 8, 2020 — Researchers say a recently discovered species of seaweed is killing large patches of coral on once-pristine reefs in the Northwestern Hawaiian Islands and is rapidly spreading across one of the most remote and protected ocean environments on Earth.

A study from the University of Hawaii and others says the seaweed is spreading more rapidly than anything they’ve seen before in the Northwestern Hawaiian Islands, a nature reserve that stretches more than 1,300 miles north of the main Hawaiian Islands.

The study was published Tuesday in the journal PLOS ONE.

The algae easily breaks off and rolls across the ocean floor like tumbleweed, scientists say, covering nearby reefs in thick vegetation that out-competes coral for space, sunlight and nutrients.

Read the full story from the Associated Press at the Los Angeles Times

Maine seaweed harvest set record in 2018, but court rulings cloud future

January 17, 2020 — Seaweed, or sea vegetables, have been on a growth trajectory for the past 10 years. What started as a small industry has blossomed into a sustainable economic engine for coastal communities from New York to Maine, who have faced slowdowns in other once-dominant fisheries.

“Five percent of Maine’s aquaculture lease and limited-purpose aquaculture LPA holders (47 individuals) also hold a commercial lobster fishing license. Out of those 47, 12 of them farm kelp. Out of 60 total kelp farmers in Maine, that’s 20 percent,” says Afton Hupper of the Maine Aquaculture Association. “Lobstermen are already equipped with much of the gear required to start a kelp farm,” adds Hupper. “It is a good way to diversify and supplement their income.”

In Maine, harvest of all seaweed species peaked in 2018, with 22 million pounds, according to Maine Department of Marine Resources data. But a recent Maine Supreme Judicial Court ruling has meant changes to the rockweed industry. Until this year, wild rockweed (Ascophyllum nodosum) — with landings consistently making up more than 95 percent of all landings statewide — was harvested along coastlines. Last year, it was valued under $1 million at the docks.

But now, permission from landowners is required to harvest, since the court determined rockweed in the intertidal zone to be the landowner’s private property. Maine landowners now have a say in how rockweed is harvested, as well as the opportunity to benefit from the industry.

Read the full story at National Fisherman

“Restorative aquaculture” potential greatest in North Sea, East China Sea, and Southern California

October 15, 2019 — Combined commercial shellfish and seaweed aquaculture have significant potential to provide sustainable food and jobs while restoring marine ecosystems in Europe’s North Sea, the East China Sea, and Southern California.

A new study published in PLOS ONE finds that every inhabited continent has marine regions well-suited for the kind of shellfish and seaweed aquaculture that benefits both ecosystems and people by filtering polluted waters, providing habitat for commercially valuable species, and generating steady food and jobs. For shellfish, the potential was greatest in Europe, Oceania, and North America, while for seaweed, it was greatest in Europe, Asia, Oceania, and South America.

Read the full story at Seafood Source

Shellfish and seaweed farms are a growing industry in Alaska

August 28, 2019 — Underwater and out of sight are the makings of a major Alaska industry with two anchor crops that clean the planet while pumping out lots of cash: shellfish and seaweed.

Alaskans have applied for over 2,000 acres of new or expanding undersea farms, double the footprint from two years ago, ranging from .02 acres at Halibut Cove to nearly 300 acres at Craig.

Nearly 60% of the newest applicants plan to grow kelp with the remainder a mix of kelp and/or Pacific oysters, said Cynthia Pring-Ham, aquatic farming coordinator at the Alaska Department of Fish and Game, which issues the permits. Fish and Game partners with the state Department of Natural Resources, which leases the tidal and submerged lands for farms.

Read the full story at the Anchorage Daily News

Seaweed Farmers in Alaska Gear Up for Large Haul

May 29, 2019 — The largest commercial harvest of seaweed in Alaska is taking place this month.

Blue Evolution, a California-based company that cultivates, harvests and distributes Alaska-grown seaweed, is expected to haul in up to 200,000 pounds from waters near Kodiak Island within the next two weeks. Previous harvests have been a fraction of that size, but, as the mariculture industry grows in Alaska, Blue Evolution is also expanding.

Working with local resident farmers, the company produces seed from wild seaweed plants and grows them into kelp starts in an onshore hatchery at the federal government’s Alaska Fisheries Science Center Kodiak Laboratory. Blue Evolution then supplies seeded string to local farmers who plant them onto longlines in late fall, cultivate their crops during winter and harvest in spring.

The company is collaborating with the University of Alaska and Alaska Sea Grant on seaweed research aimed at developing cost-effective cultivation methods for several native species. Seaweed farming is a growing, multibillion-dollar industry worldwide and presents a new economic opportunity for coastal Alaska.

“It suits my family because we set gillnet for salmon during the summer and supplement our income with seaweed farming during winter,” said Lexa Meyer, who co-owns and operates Kodiak Kelp Co. with her husband.

Read the full story at Alaska Native News

Life in the North Atlantic depends on this floating seaweed

May 15, 2019 — ‘THERE’S NOTHING LIKE it in any other ocean,’ says marine biologist Brian Lapointe. ‘There’s nowhere else on our blue planet that supports such diversity in the middle of the ocean—and it’s because of the weed.’

Lapointe is talking about a floating seaweed known as sargassum in a region of the Atlantic called the Sargasso Sea. The boundaries of this sea are vague, defined not by landmasses but by five major currents that swirl in a clockwise embrace around Bermuda. Far from any mainland, its waters are nutrient poor and therefore exceptionally clear and stunningly blue.

The Sargasso Sea, part of the vast whirlpool known as the North Atlantic gyre, often has been described as an oceanic desert—and it would appear to be, if it weren’t for the floating mats of sargassum.

The seaweed may seem unremarkable at first glance—just bunches of drifting plant matter—but as Lapointe has helped illuminate through his work, sargassum is the basis of a complex ecosystem that nurtures a stunning array of marine life. It serves as a mobile shelter and a movable feast.

For 36 years Lapointe, a biologist with Florida Atlantic University’s Harbor Branch Oceanographic Institute in Fort Pierce, has combed the Sargasso Sea, observing sargassum by satellite and experiencing it firsthand in scuba gear. He wanted to figure out where the weed comes from, how it moves, what it sustains, and what sustains it—and to unravel the complex relationship sargassum has with other forms of marine life, from seahorses to great white sharks. Only by learning about this vital resource, he says, can we protect it from potential threats, such as ocean acidification and pollution.

Read the full story at National Geographic

MAINE: Midcoast businesses say court ruling on seaweed harvest could be devastating

May 10, 2019 — Two Waldoboro businesses are grappling with a March court ruling that could restrict seaweed harvesting throughout the state.

Both North American Kelp, at 41 Cross St., and Ocean Organics Corp., at 141 One Pie Road, have based their business models on sustainable rockweed harvesting, parlaying the natural resource to create jobs and grow their companies.

On March 28, the Maine Supreme Judicial Court ruled that rockweed along the seashore isn’t public property in a 22-page opinion upholding a 2017 ruling by the Washington County Superior Court.

Read the full story at Bangor Daily News

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