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UrduA new study by Newcastle University shows that the risk of dolphins and porpoises being caught in small-scale (artisanal) fisheries is highest in low- and middle-income regions around the tropics and sub-tropics
Tag: FISHERIES/AQUACULTURE
Baltic herring larvae appear earlier and grow faster due to climate change
Data collected for over two decades shows that rising Baltic Sea water temperature is one of the main factors in the increasingly earlier appearance and faster growth of Baltic herring larvae. Baltic herring ( Clupea harengus membras ) is commercially…
Aquaponics treatment system inspired by sewage plants grows tastier crops and keeps fish healthy
Researchers develop a novel fish waste treatment system that breaks down fish sludge and turns nutrients from fish waste into an effective fertilizer for plants
Pollutant concentration increases in the franciscana dolphin
One of the smallest and most threatened dolphin species worldwide
Research establishes safe water thresholds for antimicrobials, to help mitigate resistance
Researchers have made progress towards a G7 commitment to establish safe standards for the release of antimicrobials into the environment, by developing a new framework that establishes safe thresholds
Discovery of ray sperms’ unique swimming motion and demonstration with bio-inspired robot
It is generally agreed that sperms “swim” by beating or rotating their soft tails. However, a research team led by scientists from City University of Hong Kong (CityU) has discovered that ray sperms move by rotating both the tail and…
For bay oysters, protection plus restoration creates healthiest reefs
Underwater videos reveal thriving reefs and provide scientists a quick, low-cost method to rate habitats
New dipping solution turns the whole fish into valuable food
When herring are filleted, more than half their weight becomes a low-value ‘side stream’ that never reaches our plates – despite being rich in protein and healthy omega-3 fatty acids. Now, scientists from Chalmers University of Technology, Sweden, have developed…
UN: More harmful algal bloom impacts emerge amid rising seafood demand, coastal development
UNESCO IOC delivers 1st global assessment report after 7 years’ work by 109 experts in 35 countries, creating a baseline to detect and gauge the changing distribution, frequency, and intensity of harmful — often poisonous — algal blooms
Global youth draft ‘Blue New Deal’ to protect oceans: ‘Time to end generational injustice’
Seek public comment on global youth crowd-sourced ocean policy framework to balance ocean, human, climate, and economic health
Fungus creates a fast track for carbon
Stanford scientists find epidemics of fungal infections in algae alter carbon cycling
Looking for mussels? A dog just might be your best friend for that, too
It is estimated that canines possess up to 300 million olfactory receptors in their nose, compared to about 6 million in humans. Not only that, but the part of a dog’s brain devoted to analyzing smells is about 40 times…
New technology ‘listens’ for endangered right whales
One of the world’s most endangered whale species could have added protection from threats posed by human marine activity, through technology developed by the University of East Anglia (UEA). In partnership with the Scottish Association for Marine Science (SAMS) and…
URI scientists discover function of microbes living in oysters
Research may inform coastal management, ecosystem health, aquaculture
Protect the sea, neglect the people? Social impact of marine conservation schemes revealed
As G7 governments renew commitments to protecting marine spaces and biodiversity, global conservation initiatives such as 30×30 are feared to pay too little attention to the livelihood impacts on communities Close-up inspection of an upcoming marine conservation area in Cambodia…
World’s lakes losing oxygen rapidly as planet warms
Changes threaten biodiversity and drinking water quality
Plastic in Galapagos seawater, beaches and animals
Plastic pollution has been found in seawater, on beaches and inside marine animals at the Galapagos Islands. A new study – by the University of Exeter, Galapagos Conservation Trust (GCT) and the Galapagos Science Center – found plastic in all…
Declining biodiversity in wild Amazon fisheries threatens human diet
Similar trends are seen around the world
Global Fishing Watch launches new technology to enhance ocean management
Groundbreaking portal harnesses open data and machine learning to help transform management and research for critical marine areas
NTU Singapore scientists turn aquaculture waste into new biomaterial for tissue repair
Scientists at Nanyang Technological University, Singapore (NTU Singapore) have developed a new biomaterial made entirely from discarded bullfrog skin and fish scales that could help in bone repair. The porous biomaterial, which contains the same compounds that are predominant in…
Large amounts of mercury released under southwest Greenland ice sheet
Mercury pollution is an issue of global concern due to its toxic effects. High levels have already been measured in Arctic organisms – with worrying effects on ecosystems and the food chain. So far, the Greenland Ice Sheet has not…
Salmon virus originally from the Atlantic, spread to wild Pacific salmon from farms: Study
Study finds Piscine orthoreovirus (PRV) is now almost ubiquitous in salmon farms in British Columbia, Canada.
“Scuba-diving” lizards use bubble attached to snout to breathe underwater
BINGHAMTON, N.Y. – A team of evolutionary biologists including faculty at Binghamton University, State University of New York have shown that some Anolis lizards, or anoles, have adapted to rebreathe exhaled air underwater using a bubble clinging to their snouts…
New study shows never before seen nutrient exchanges between algae and bacteria
Research co-led by Newcastle University has shed new light on important microscopic scale interactions between algae and bacteria predicated on the mutually beneficial exchange of nutrients.
New fishing tech may pose risks to fisheries, says study co-authored by UMass researcher
Scientists need to work closely with resource management agencies to assess impacts
Biodiversity devastation: Human-driven decline requires millions of years of recovery
A new study shows that the current rate of biodiversity decline in freshwater ecosystems outcompetes that at the end-Cretaceous extinction that killed the dinosaurs: damage now being done in decades to centuries may take millions of years to undo. The…
What makes some oysters more resilient than others?
New research by Louisiana State University biologists offers insight into this commercially important species
Survival of migrating juvenile salmon depends on stream flow thresholds
New understanding of relationship between stream flows and salmon survival provides a critical tool for balancing water needs in the highly managed Sacramento River
Can fisheries benefit from biodiversity and conserve it too?
A new study, by researchers from Simon Fraser University and the Department of Fisheries and Oceans, reveals the trade-offs of fish biodiversity–its costs and benefits to mixed-stock fisheries–and points to a potential way to harness the benefits while avoiding costs to fishery performance.
Cayman Islands sea turtles back from the brink
Sea turtles in the Cayman Islands are recovering from the brink of local extinction, new research shows. Monitoring from 1998-2019 shows loggerhead and green turtle nest numbers increased dramatically, though hawksbill turtle nest numbers remain low. In the first counts…
An animal able to regenerate all of its organs even when it is dissected into three parts
A surprising discovery in the Gulf of Eilat
The CNRS 2021 Innovation Medal laureates
Antoine Aiello, Nora Dempsey, François Jérôme and Amanda Silva Brun are the four recipients of the CNRS 2021 Innovation Medal. Created 10 years ago, this distinction honours people whose outstanding research has led to significant technological, economic, therapeutic or social…
Floating gardens as a way to keep farming despite climate change
Bangladesh’s historic farming systems could offer a way forward
Tilapias are not precocious, they are just resilient
Tilapias living in crowded aquaculture ponds or small freshwater reservoirs adapt so well to these stressful environments that they stop growing and reproduce at a smaller size than their stress-free counterparts. A new study by researchers at the University of…
International study shows alternative seafood networks provided resiliency during pandemic
Local alternative seafood networks (ASNs) in the United States and Canada, often considered niche segments, experienced unprecedented growth in the early months of the COVID-19 pandemic while the broader seafood system faltered, highlighting the need for greater functional diversity in…
Revealing meat and fish fraud with a handheld ‘MasSpec Pen’ in seconds
Meat and fish fraud are global problems, costing consumers billions of dollars every year. On top of that, mislabeling products can cause problems for people with allergies, religious or cultural restrictions. Current methods to detect this fraud, while accurate, are…
Pew names 9 marine fellows to advance global ocean conservation
Projects focus on fisheries, coral reef restoration, marine protected areas, the ocean economy, and more
Seagrasses turn back the clock on ocean acidification
Expansive study shows seagrass meadows can buffer ocean acidification
Environmental antimicrobial resistance driven by poorly managed urban wastewater
Researchers from Newcastle University, UK, working with colleagues at King Mongkut’s University of Technology Thonburi (KMUTT) in Thailand and the Institute of Urban Environment of the Chinese Academy of Sciences, analysed samples of water and sediment taken from aquaculture ponds…
Russian biologists discover a transmissible cancer lineage in the Far Eastern mussels
The disease can have an adverse effect on the populations of these molluscs, which are extensively farmed in Russia.
Genetic sleuthing reveals endangered river dolphins in Asia as different species
Tissue collection at NOAA Fisheries lab helps reveal genetic distinction
Study analyses fish larval dispersal in western Mediterranean
Experts identify three large areas in which there is barely fish exchange
International investigation discovers bald eagles’ killer
Invasive water plant becomes breeding ground for a lethal cyanobacteria
New insights into close encounters between albatross and fishing vessels
CORVALLIS, Ore. – A novel analysis of encounters between albatross and commercial fishing vessels across the North Pacific Ocean is giving researchers important new understanding about seabird-vessel interactions that could help reduce harmful encounters. The new research method, which combines…
Ocean’s mammals at crucial crossroads
The ocean’s mammals are at a crucial crossroads – with some at risk of extinction and others showing signs of recovery, researchers say. In a detailed review of the status of the world’s 126 marine mammal species – which include…
Conference on Island Sustainability to launch virtually from Guam on April 6
Speakers to include sustainability leaders and advocates from around the world
What is killing bald eagles in the U.S.?
Bald eagles, as well as other wildlife, have been succumbing to a mysterious neurodegenerative disease in the southern United States since the 1990s. New research by the Martin Luther University Halle-Wittenberg (MLU) in Germany and the University of Georgia, USA,…
Floating solar farms could help reduce impacts of climate change on lakes and reservoirs
Floating solar farms could help to protect lakes and reservoirs from some of the harms of climate change, a new study suggests.
Floating solar farms could help reduce impacts of climate change on lakes and reservoirs
Scientists from Lancaster University and the University of Stirling have completed the first detailed modelling of the environmental effects of floating solar installations on bodies of water.
Stanford economist and others assess aquaculture’s promise and peril
Despite aquaculture’s potential to feed a growing world population while relieving pressure on badly depleted oceans, the industry has been plagued by questions about its environmental impacts. (Watch related video: https:/ / www. youtube. com/ watch?v= DG_nl7-naYo ) But over…