IN BRIEF - How Underwater Drones Are Transforming Fisheries Data Collection in Remote Areas
UNITED STATES
Friday, December 06, 2024
Hear how gliders are used to survey Antarctic krill, the foundation of the region's food web.
Glider “Adrian” getting deployed from the R/V Laurence M. Gould. Credit: Andrew Titmus
Remote underwater gliders—or underwater drones—present opportunities for all kinds of data collection and oceanographic research. They're incredibly cost effective, requiring less staff and equipment than traditional methods. They can remain deployed longer than a ship can be out, and they can go places where a ship can't go. And, you can pilot them anywhere with a laptop and an internet connection—even from your couch!
On our latest podcast, we talk with Jen Walsh, a research biologist and glider pilot for the Southwest Fisheries Science Center. She talks about how we're using gliders in remote areas, like Antarctica, and how they're changing the way we collect fisheries data and learn about the ocean.
To mark the International Day for the Fight against IUU (Illegal, Unreported and Unregulated) Fishing, celebrated every June 5th, the Bermeo Tuna association will host a round-table discussion open to the public next Thursday, June 4th, under the title:
"Impact of IUU Fishing on the Tuna Value Chain: From Traceability to Nutrition."
The event will take place at 1:00 PM at the Itsasmuseum in Bilbao, following the Bermeo Tuna General Assembly. It will bring together scientific and technological experts to analyze the impact of illegal fishing on ocean sustainability, food safety, the traceability of seafood products, and the competitiveness of the sector.
Participants will include:
Sara Arranz, researcher at AZTI and nutrition expert.
Sergio Gallastegi, CEO of Code Contract.
Rogelio Pozo, CEO of AZTI, who will act as the moderator.
During the session, key topics will be addressed, such as the role of tuna in a healthy and sustainable diet, the importance of traceability in guaranteeing consumer trust, and the challenges posed by implementing the European CATCH system to strengthen control over seafood imports and combat illegal fishing.
Chile’s salmon industry is facing constraints as total biomass and key metrics continue to decline. According to data from Aquabench, the country's total salmon biomass fell to 434,600 tons by the end of April, marking a 4.9% year-on-year drop.
The number of salmon in stock dipped by 1.9% to 184.7 million, while the average body weight decreased 3.3% to 2.35 kg. Future supply growth also looks tight, as fry releases fell 2% year-on-year to 16 million in April.
Despite these constraints, Chilean salmon harvests in April managed a 3% year-on-year increase, reaching 61,700 tons, driven by higher harvest volumes even as average weights fell 1.6% to around 5 kg.
Meanwhile, the vital Brazilian market—which generates over US$800 million in annual trade for Chile—experienced a sharp price correction in week 22. Prices had previously spiked due to shipping delays caused by the Chilean Navy Day holiday. However, as logistics normalized and supply flooded back, export prices to Brazil fell significantly, directly impacting Chilean exporters.
The new vessel from the Norwegian Napier Group, Tauriko, is beginning to take shape on the slipways of Freire Shipyard after its keel laying. The vessel will be the largest in the Nordic company's fleet and will also become the largest fish collection and transport vessel of its kind worldwide within the aquaculture sector. Its delivery is scheduled for 2027. Designed using Salt Ship Design, the Tauriko represents the new generation of Napier vessels for the Norwegian aquaculture industry, improving upon the performance of the current Tauroa and Tautiki in terms of speed, operational efficiency, and environmental performance.
According to the shipyard, the new vessel will have a length of 83.90 meters, a beam of 15.80 meters, and a draft of 5.30 meters.
Source: iPac.acuicultura | Read the full article here
The European Commission is seeking feedback as it prepares to revamp its multiannual management plans (MAP) across the European Union’s sea basins.
“The commission asks E.U. countries, the fishing sector, scientific institutions, non-governmental organizations, regional authorities and coastal communities to give their views and to send scientific, ecosystem and economic data on fisheries MAPsThe commission is also reconsidering the “5 percent rule” in the Baltic Sea, Northern Sea, and western waters. The 5 percent rule requires that fishing quotes be set with a less than 5 percent change of a population dropping below its safe biological limit.
Author: Nathan Strout / SeafoodSource | Read the full article here
A parliamentary majority in Norway is expected to vote on Thursday to instruct the government to abolish norm pricing and the Aquaculture Pricing Council from the 2027 income year, marking a significant shift in the country’s salmon tax framework.
The majority comprises Fremskrittspartiet, Høyre, Senterpartiet, Venstre and Kristelig Folkeparti. The move follows sustained pressure from the aquaculture industry, which has argued that the system creates tax uncertainty and imposes a significant administrative burden on companies.
The norm pricing regime was introduced as part of Norway’s resource rent tax on salmon and trout farming.
Source: SalmonBusiness | Read the full article here
Colombo: A new initiative worth US$ 1.33 million (around Rs. 436 million) has been launched to restore livelihoods and boost freshwater fisheries in Sri Lanka’s Eastern Province. An agreement was signed at the Japanese Embassy in Colombo on May 29.
Financed by the Government of Japan with technical assistance from the Food and Agriculture Organisation of the United Nations (FAO), the project assists communities affected by recent extreme weather, including Cyclone Ditwah, which devastated local income streams.
Key Highlights of the Initiative:
Modernising Aquaculture: Introduction of cage culture systems by deploying 200 fish cages across 30 selected reservoirs, alongside barrage netting systems.
Infrastructure Upgrades: Upgrading the Inginiyagala Fish Breeding Centre and training local fisheries organisations.
Direct Support: Providing free fingerlings and feed for the first production cycle to reduce pressure on the struggling coastal sector.
Fisheries Minister Ramalingam Chandrasekar called the programme a vital step in modernising the industry, while Japanese Ambassador Akio Isomata reaffirmed Japan’s commitment to <
POND ISLAND — In a major step toward regional food security, representatives from Aruba, Bonaire, Curaçao, Saba, St. Eustatius, and St. Maarten signed a renewed Memorandum of Understanding (MoU) on Friday.
Operating under the framework of the Dutch Caribbean Agriculture, Livestock and Fisheries Alliance (DC ALFA), the agreement formalizes long-term collaboration through 2035. It targets critical areas including sustainable agriculture, fisheries development, climate resilience, and regional policy coordination.
The high-level signatories securing this future-oriented framework included:
Geoffrey Wever (Aruba’s Minister of Finance, Economic Affairs, and Primary Sector)
Clark Abraham (Bonaire Commissioner)
Tyrone Boekhoudt (Curaçao Minister of Health, Environment and Nature)
Bruce Zagers (Saba Commissioner)
Rechelline Leerdam (Sint Eustatius Commissioner)
Grisha Heyliger-Marten (Sint Maarten’s Deputy Prime Minister and Minister of TEATT)
This updated pact builds directly upon the initial foundational agreement established in 2023.
TAISHAN — To Lu Zice, discarded oyster shells are treasures. Taishan, a county-level city administered by Jiangmen in Guangdong province, generates over 100,000 metric tons of waste oyster shells annually, threatening the environment.
Photo: ChinaDaily
To solve this, Guangdong Bevan Biology Co, founded by Lu, processes 50,000 to 60,000 tons of shells annually, yielding products worth over 20 million yuan ($2.9 million). Over the next three years, Lu plans to scale production to 100,000 tons, valued at over 100 million yuan. The company plans to expand further to process 150,000 to 200,000 tons annually, effectively eliminating Jiangmen's oyster waste.
Collaborating with the Guangdong Academy of Agricultural Sciences, Lu recently partnered with Zhu Ronghua, Chairman of Qi Yong Tang Health Technology (Guangdong) Co. In March, they joined forces to convert aquaculture waste into high-value items like soil conditioners and ecological powder coatings. Historically used in building materials since the Tang and Ming dynasties, oyster shell products now drive a sustainable, full-scale industrial chain along the South China coast.
Japan’s bluefin tuna hauls are surging nationwide, forcing officials to impose strict restrictions or suspend fishing entirely as some prefectures race toward their annual limits at an unprecedented pace.
According to the Fisheries Agency, the April catch of large bluefin tuna weighing 30 kilograms or more reached a staggering 320.7 tons. This figure marks a historic record for the month since the current management system began in 2018, nearly doubling the volume recorded the previous year.
Smaller bluefin tuna weighing less than 30 kilograms also hit record highs for April, increasing by 10.4 percent to 300.6 tons.
Pacific bluefin tuna fishing is managed under strict international agreements, which subject Japan's waters to annual catch quotas starting each fiscal year in April.
The rapid surge has put immediate pressure on local limits. Fukui and Toyama prefectures have already exhausted more than 50 percent of their quotas for large bluefin tuna, while Kochi has surpassed the 40-percent mark. For smaller tuna, Fukushima Prefecture has already burned through over 90 percent of its allocation, and Fukui is past 50 percent.
The Marine Stewardship Council (MSC) has awarded its certification to the eel (Ophichthus remiger) fishery in Peru. The Peruvian Marine Institute (Imarpe) considers this achievement "an unprecedented milestone," as it is the first certification the country has received and the first for this species worldwide.
After an evaluation process that took more than a year, the certification was formalized following the publication of the final report by the independent certifier Global Trust Certification. The standard independently assesses whether a fishery is sustainable by ensuring compliance with three principles: guaranteeing the long-term health of the resource population; minimizing the fishery's impact on the marine ecosystem; and ensuring effective management with a transparent governance framework.
Source: Industrias Pesqueras | Read the full article here