Saving Seafood

New State of the Ecosystem Reports Document “Big Picture” Around Fishing

April 7, 2020 — The following was released by NOAA Fisheries:

Two newly issued reports provide a snapshot of the Northeast U.S. Shelf Ecosystem. They look at everything from phytoplankton production at the bottom of the food web to the fishery harvests at the top. One report focuses on Georges Bank and the Gulf of Maine the other on the waters of the Mid-Atlantic Bight. These are the three major regions within the Northeast U.S. Continental Shelf Large Marine Ecosystem.

These annual reports are part of a larger, ongoing NOAA-wide initiative. It provides a consistent national approach to managing ecosystems that is flexible enough to accommodate regional needs. This Integrated Ecosystem Assessment approach is intended to help resource managers integrate physical, biological, economic, and social components of ecosystems into their decision-making. This will help them to balance trade-offs and determine which approaches are more likely to achieve their desired goals. The 2020 State of the Ecosystem Reports inform the New England and the Mid-Atlantic Fishery Management Councils.

“This approach has helped give the council structure with specific steps to define what our management goals and objectives are, figure out how we can address them, and understand what that means for areas such as economics,” said Brandon Muffley, a fishery management specialist at the Mid-Atlantic Fishery Management Council.

The State of the Ecosystem reports were produced by the Northeast Fisheries Science Center, with additional collaborators from academic research institutions, non-profit organizations, and state agencies.

Read the full release here

Federal study surveys spawning Atlantic Cod

March 23, 2020 — Fisheries biologists used to rely on fishermen to tell them where fish were spawning and when. Fish are attracted to specific areas at certain times of the year, and fishermen find those important spawning grounds because the fishing is easy and the females come up bursting with eggs.

“Historically, researchers try to get in a good relationship with fishermen,” said Timothy Rowell, a research biologist with the passive acoustic research group at the National Oceanic and Atmospheric Administration’s Northeast Fisheries Science Center in Woods Hole. “They have the best local knowledge of where (the fish) are aggregating and spawning.”

Although researchers still depend on fishermen, they also use ever more sophisticated technology to help them find and study fish in the immensity of the world’s oceans. That is true of a four-year $1.3 million study of spawning fish in the sprawling blocks of ocean southeast of Block Island that are zoned to build massive offshore wind farms.

NOAA, the state Division of Marine Fisheries, Woods Hole Oceanographic Institution and the University of Massachusetts Dartmouth School of Marine Science and Technology are all participating in the study, which is funded by the U.S. Bureau of Ocean Energy Management. The research is focused on what may be one of the last remaining major seasonal spawning gatherings in the Northwest Atlantic, according to the state Division of Marine Fisheries.

Read the full story at the Cape Cod Times

Scallop Research Set-Aside Program Supports 12 Projects for 2020-2021

March 12, 2020 — The following was released by the New England Fishery Management Council:

The Atlantic Sea Scallop Research Set-Aside (RSA) Program will support 12 projects during the 2020-2021 award cycle that address resource surveys, economic impacts of offshore wind development on the scallop fishery, links between environmental factors and scallop meat condition, and many other issues.

The awards were announced on March 11 by the Northeast Fisheries Science Center and the Greater Atlantic Regional Fisheries Office, which both are part of NOAA Fisheries. The funded projects focus on scallop research priorities identified by the New England Fishery Management Council, which established the Scallop RSA Program in 1999 through Framework Adjustment 11 to the Atlantic Sea Scallop Fishery Management Plan. The Council and NOAA Fisheries work together to support research-set aside projects. The Council sets priorities, and NOAA Fisheries manages the RSA competition and administers the program.

Read the full release here

Gulf of Maine Longline Survey in Rocky Habitats Now in Sixth Year

February 21, 2020 — For fisheries managers around the world, trawl gear is an efficient way to sample species inhabiting the sea floor or the benthic column above. Depending on the size of the net, grid surveys will capture enough of the animals in the area at the time to compile data used in abundance models that go into stock assessments.  Unless the fish swim out of the net before it is hauled. Or unless the sea bottom is rocky or pinnacled.

In those areas, longline gear can help fill in the blind spots for regional surveys. Longline gear can be lain across rock piles, and retrieved without destroying the gear itself. It differs from a trawl net in several ways: the longline has baited hooks distributed evenly across its length, it is stationary, anchored to the sea floor with location buoys at the sea surface at each end, and it can be deployed by smaller vessels.

Read the full story at Seafood News

Gulf of Maine Longline Surveys Target Species in Rocky Habitats

February 19, 2020 — The following was released by NOAA Fisheries:

Abundance, distribution, age, and other data are vital for assessing and managing important fish species. To obtain these data, the Northeast Fisheries Science Center’s Cooperative Research Branch works with commercial fishing vessels to conduct annual spring and fall bottom longline surveys in the Gulf of Maine.

The longline survey uses random stratified sampling to detect the abundance and distribution of fish species and how they are changing over time. It focuses on areas where researchers know less about some species and the rougher terrain makes it harder to sample with trawl gear.

The team spent several days this fall staging the 50-foot F/V Mary Elizabeth in Scituate, Massachusetts and 40-foot F/V Tenacious II in East Dennis. In just over 3 weeks, they completed the planned 45 stations on November 2, in a typically breezy New England autumn.

Weather was also on their side in the spring. On May 7, they had completed the 45 stations in the survey in about 2 weeks. To take advantage of the limited fair weather windows that occur during seasonal transitions, each vessel makes multiple 2–4 day trips.

Read the full release here

Listening for Right Whales in the Gulf of Maine

February 18, 2020 — The following was released by NOAA Fisheries:

Two passive acoustic data collection efforts are underway in the Gulf of Maine to gather information on North Atlantic right whales. One will deploy fixed archival-acoustic recorders mounted on the ocean bottom for a specific period of time. The other will use autonomous underwater vehicles called gliders, equipped to record acoustic information and report it back in near real-time.

“Real time monitoring provides the opportunity for direct conservation action through alerting vessels to the presence of endangered whales and to slow down to avoid striking the whales, while archival monitoring helps build a long-term 24/7 picture of their presence,” said Sofie Van Parijs, who leads the Passive Acoustic Research Group at the Northeast Fisheries Science Center.

“These new efforts will support routine passive acoustic monitoring of North Atlantic right whales and other baleen whale species throughout priority areas, and improve our understanding of changes in their movement patterns,” she said.

Right whales have changed their historic migration patterns in recent years, and tracking them is a difficult task.

Like most whales, this species does not spend much time on the ocean surface where they can be seen by researchers during aerial or ship-based surveys. Sound is the whale’s primary means of communicating, so if they are present in an area, they are probably making sounds. Underwater microphones can detect those sounds and even report back to researchers in near real-time.

Passive acoustic monitoring – detecting and recording sounds, in this case underwater – offers scientists another tool for learning about whale behavior and migration patterns. Advanced underwater microphones or hydrophones and autonomous underwater vehicles can detect and record those sounds. Computer programs help differentiate species and indicate time, direction and location.

These instruments can remain in the water continuously for months at a time. Along with visual sightings made from ships and aircraft, the sound recordings are revealing information about where and when whales of various species are present.

Read the full release here

Researchers Return to Study Gray Seal Pups in New England

February 6, 2020 — The following was released by NOAA Fisheries:

It’s gray seal pupping season in New England! NOAA researchers are working with colleagues to gather data from pups on Muskeget and Monomoy islands off the southeastern Massachusetts coast.

Pupping season generally runs from mid-December to early February, peaking in mid-January. Our researchers have conducted studies of animal abundance, distribution, and health on the islands in January for the past eight years. One research team is working on Muskeget Island off Nantucket, the largest gray seal breeding and pupping colony in the United States. Another team is on Monomoy, an island near Chatham on Cape Cod that is part of the Monomoy National Wildlife Refuge.

Kimberly Murray, who coordinates the seal research program at the Northeast Fisheries Science Center’s Woods Hole Laboratory and leads the team on Muskeget Island, outlined the teams’ goals. “We plan to place 20 satellite tags and nine acoustic tags on the weaned gray seal pups, and to collect as many health samples from pups as we can. Our goal is to sample 50 pups on Muskeget and 100 on Monomoy, but that depends on factors such as weather conditions, scheduling, and departure of weaned pups.”

The team also sampled 14 weaned gray seal pups on Seal Island in Maine. They placed five satellite tags and two acoustic tags on seal pups there to learn where those pups go. On January 30 researchers sampled and tagged 15 gray seal pups on the Coskata-Coatue Wildlife Refuge, which includes Great Point Light, on Nantucket and collected scat or seal poop for microbiome/microplastics/food habits work.

Read the full release here

Updated Shark Tagging Atlas Provides More than 50 Years of Tagging and Recapture Data

February 3, 2020 — The following was released by NOAA Fisheries:

A 52-year database of the distribution and movements of 35 Atlantic shark species revealed new information on some of the least known species. It also uncovered a few surprises about where sharks go and how long they live.

Scientists collected data for sharks tagged and/or recaptured between 1962 and 2013. The sharks were found in the Atlantic Ocean and associated areas, including the Gulf of Mexico, the Caribbean Sea, and the Mediterranean Sea. Participants tagged a total of 229,810 sharks of 35 species and recaptured 13,419 sharks of 31 species in that time span. The scientific journal Marine Fisheries Review recently published the data.

This new atlas updates an earlier version covering 1962 to 1993 and adds information on 22 species. Detailed profiles are provided for 14 shark species, including bull and tiger sharks and smooth dogfish. The updated data significantly extended their known ranges and movements.

The Cooperative Shark Tagging Program is the largest and longest-running in the world. The program is a collaborative effort among recreational anglers, the commercial fishing industry, biologists, and NOAA Fisheries. Its goal is to study the life history of sharks in the Atlantic Ocean.

Initiated in 1962 by biologist and shark researcher John “Jack” Casey at the Northeast Fisheries Science Center, the original group of 74 volunteer anglers began participating in the project in 1963. Since then the program has expanded to include thousands of participants along the entire North American and European Atlantic coasts, including the Gulf of Mexico.

“The program’s long-term data has shown the importance of tagging large numbers of each species and recording information in a database to determine shark movements,” said Lisa Natanson, a shark researcher in the Apex Predators Program at the Northeast Fisheries Science Center’s Narragansett Laboratory in Rhode Island. For example, until the tagging program was 34 years old, no one knew that tiger sharks cross the Atlantic.

Read the full release here

Surveys Collect Data Year-Round on Marine Life along U.S. East Coast

January 24, 2020 — The following was released by NOAA Fisheries:

While the weather outside may be frightful this time of year, Northeast Fisheries Science Center researchers continue collecting data from planes, ships, and underwater.

Many of the studies are part of the Atlantic Marine Assessment Program for Protected Species, or AMAPPS. This multi-year program is funded by NOAA, the Bureau of Ocean Energy Management, the U.S. Fish and Wildlife Service, and the U.S. Navy. Researchers put information about abundance, distribution, ecology, and behavior of protected species—from whales, dolphins, and seals to marine turtles and seabirds—into an ecosystem context. This helps resource managers with conservation measures and decision-making.

Aerial Surveys

NOAA Fisheries scientists and colleagues from state and non-profit organizations conducted aerial surveys in the Northeast region through December 2019. Flights will resume on February 1. The focus is on right whale sightings in and near Nantucket Shoals, where many whales have been aggregating recently. We will also survey other areas where right whales were seen in the past.

Two recent aerial surveys used NOAA Twin Otter aircraft. The Northeast center’s aerial whale survey team conducts one based at Air Station Cape Cod. Center staff and colleagues from other marine research organizations conducted a survey specifically for AMAPPS last fall, based at Barnstable Municipal Airport in Hyannis, Massachusetts.

AMAPPS surveys moved to southeast U.S. waters off Florida and Georgia in early December and will continue there through the end of January 2020.

Read the full release here

Growing body of evidence makes case for offshore mussel farming

January 16, 2020 — Calling it “an opportunity too good to ignore,” NOAA scientists are giving a thumbs-up to offshore mussel farming in the Northeast United States based on new research and a trove of data. The news signals a step forward on how to chip away at the $15 billion US seafood trade deficit.

Serial entrepreneur Phil Cruver claimed “first mover” status in the space in 2012 when he founded the 100-acre Catalina Sea Ranch off Long Beach, California. Despite waves of publicity since, regulatory and funding concerns have given entrepreneurs the jitters such that only research trial farms have followed.

But this new strong scientific basis for offshore mussel farming could be the first step in changing all that.

The researchers at the Milford Laboratory, part of NOAA’s Northeast Fisheries Science Center, have authored a series of papers—including one yet-to-be-published—that give prospective aquaculture entrepreneurs “fundamental knowledge” for farm planning, as well as a broad overview of environmental, economic, and social issues.

Read the full story at Aquaculture North America