The study's findings indicate that global tuna catches have increased by 1,000% in six decades, driven by industrial fisheries operating beyond capacity. The Pacific Ocean accounts for 67% of total catches, with many species, including bluefin and sharks, facing significant threats.
A recent study reveals that inland fisheries are providing vital micronutrients and animal-source protein to sustain 159 million people. The global economic value of inland catch is estimated at $24 billion, highlighting its importance in local rural economies.
Researchers found a significant decline in top predatory fish populations in Lake Simcoe from the mid-1800s to the early 1900s due to commercial fishing. However, once recreational fishing increased, the number of top predators began to recover, suggesting resilience in the system.
Fishing fleets' capacity to capture fish is increasing by an average of 2% yearly due to technological advancements like GPS and echo-sounders. This 'technological creep' leads to a doubling of fleet power every 35 years, further straining dwindling fish stocks.
Researchers tracked 105 mako sharks over 12 years, finding that they return to the same productive waters in Southern California Bight each year. The study demonstrates impressive memory and navigation skills, with sharks traveling up to 90 miles a day and staying within specific temperature ranges.
A new UN high-seas treaty could effectively manage all fish species in international waters if it includes measures to address non-targeted species. The proposed treaty must close gaps in biodiversity governance to protect over 95% of deep ocean fish species that currently have no assessments.
An international study found that longline fisheries globally impact migrating shark populations, with approximately a quarter of their migratory paths affected. The research used satellite tracking and big data analysis to examine shark movements at a global scale.
A new study reveals that approximately 85% of historical tidal wetlands in California, Oregon, and Washington have been lost. The research highlights the importance of restoring these habitats, which are critical nurseries for juvenile salmon and steelhead.
Current fisheries management methods fail to rebuild many fish stocks with a 55% average recovery rate. Robotics-based approaches can achieve higher recovery rates and increased economic returns.
A new model predicts blue whale locations based on daily oceanographic data and tagged whale movements. The app will help ship crews and managers avoid collisions with the endangered species along the US West Coast.
A new approach to managing fisheries focuses on whole ecosystems rather than individual populations. The proposed indices use widely available data to determine when ecosystem overfishing is occurring, helping avoid damaging impacts on fishing economies.
A new study reveals that the world's marine fisheries form a single network with over $10 billion worth of fish caught in another country each year. The study shows that ocean regions are connected through larval dispersal, highlighting the need for international cooperation to conserve natural resources and ensure food security.
A new study reveals that global fisheries are highly connected, with fish larvae drifting across ocean currents and impacting fisheries worldwide. The findings suggest that poorly managed fisheries or environmental disturbances in one area could have significant economic consequences on fisheries globally.
A new study suggests that periodic closures of fishing grounds can promote fish stock recovery while still providing enough to eat. The researchers found that well-managed fisheries with pulse harvests achieved better outcomes than those with permanent no-take MPAs.
A multinational research team developed an innovative application of electronic fish-finders to predict the mix of sizes and species in tuna aggregations. This technique uses acoustic signatures, which vary by species, to distinguish between sustainable skipjack tuna and other species like yellowfin and bigeye.
A new study found that despite increased technology and motorization, modern fishing vessels take only one fifth of the catch per unit of effort compared to the 1950s. This reflects growing pressure on marine resources and a fall in fish abundance, with Asia's fishing fleet expansion outpacing fish stocks' capacity.
A new study found that large fish fences in tropical seas are causing extensive damage to habitats, including seagrass meadows, mangroves, and coral reefs. The research revealed that these fisheries catch over 500 species, many of which are babies or conservation concerns.
Researchers studied African penguins' responses to changes in local fish abundance, finding that penguins' foraging behavior and chick body condition are directly linked to fish availability. The study suggests that penguins could be key indicators of local ecosystem health, informing fisheries management and conservation efforts.
Researchers developed a new tool to pinpoint areas where improved wastewater management and landscape practices can benefit downstream reefs. This study highlights the importance of coordinating local actions across land and sea to promote resilience of coral reefs to global climate change.
Researchers at Newcastle University found a significant discrepancy between reported and actual catches of vulnerable species like sharks and rays in small-scale fisheries. The study highlights the urgent need for global efforts to assess their impact on the environment.
A study published in Marine Policy found that 97% of sharks and rays caught in the Mediterranean and Black seas are not reported, putting them at risk of extinction. The lack of reporting makes it difficult to detect declines and design effective measures to protect threatened species.
A Duke University economist argues that federal subsidies for US commercial fisheries should be rejected due to their lack of scientific merit. The proposed rule change could lead to overfishing, weak economic performance, and increased by-catch and habitat impacts if finalized.
A five-point plan proposes integrating recreational fishing into global fisheries management to address conflicts and loss of social welfare. The proposal aims to consider the unique needs of anglers, who support a significant number of jobs worldwide.
A study suggests that policymakers must recognize the growing role of recreational fishing in affecting fish populations and aquatic ecosystems. The authors propose five suggestions for guiding reform, including integrating angling targets into management and improving monitoring to moderate impacts on fish stocks.
Scientists developed a unique model that can predict Eastern Pacific leatherback turtles' location along the coast of Central and South America. The model aims to reduce bycatch mortality of this critically endangered species.
A Rutgers-led study finds that climate change has led to a decline in sustainable catches for many species of fish and shellfish, with estimated losses ranging from 15% to 35% in some regions. The study highlights the need for fisheries managers to address overfishing and account for climate change in their decision-making.
A recent study found that climate change is disrupting the complex systems underlying global fisheries, with 8% of fish populations experiencing significant negative impacts. The greatest losses in productivity were seen in regions such as the Sea of Japan and North Sea, while the Labrador-Newfoundland region saw significant gains.
A new study forecasts changes in fisheries productivity due to ocean warming, with some species expected to thrive and others decline. The research evaluated 235 marine species and found that temperature-driven changes will affect different species differently.
A new study found that achieving the Paris Agreement's 1.5 degrees Celsius warming target could increase global fishers' revenues and seafood workers' income, while reducing household expenditures. The largest gains would occur in developing countries, with a projected 6.5% increase in top revenue-generating fish species globally.
A new study published in Environmental Research Letters finds that the volume of the Gulf of Mexico's dead zone is more responsive to nitrogen load reductions than its area. This suggests that measuring hypoxic volume could be a more effective way to assess the impacts of nutrient pollution on fisheries.
Alaska's longline fisheries have reduced seabird bycatch by 77-90% since adopting streamer lines in 2002, saving thousands of birds per year. However, recent years have seen an increase in bycatch rates, particularly for albatrosses and northern fulmars.
A new study by North Carolina State University found that aquaculture has expanded seafood production but does not contribute to fishery conservation. The research suggests that prioritizing socially sustainable seafood production and regulating industry practices are essential for advancing conservation goals.
A new study reveals that climate change could lead to declines of underwater kelp forests, impacting fisheries and potentially affecting food security. The research found that ocean warming and acidification can cause disease-like symptoms in kelp, leading to degradation and photosynthesis impairment.
A new study reveals that marine fishing vessels release almost as much CO2 as 51 coal-fired power plants, with a total of 207-million tonnes emitted in 2016. The researchers found that the industry's reliance on fossil fuel and lack of policy management has led to a significant increase in emissions.
A WCS study finds Tropical Cyclone Winston damaged homes and fisheries in Fiji, with mud crab fisheries particularly vulnerable. The cyclone led to a significant decline in catch rates and local consumption of crabs, affecting women fishers who rely on them for income.
A new study reveals that coral reef fish species at the extremes of the food chain, such as strict herbivores or predators, evolve faster than those in the middle with varied diets. This finding has valuable conservation implications for managing fisheries exploitation and preserving functional diversity on coral reefs.
A new study from Stockholm University shows that seal predation on fish does not significantly decrease cod, herring, and sprat populations in the Baltic Sea. Climate change, nutrient load, and fisheries have a greater impact on commercial fish stocks, but excessive seal numbers could still harm fish in extreme scenarios.
Global seabird food consumption decreased by 13 million tonnes between 1970 and 2010, while fisheries increased their catches of prey species. Seabirds are facing extinction due to unfair competition with massive vessels for food, entanglement in fishing gears, and plastic waste.
Researchers developed a new length-based risk assessment method to evaluate the sustainability status of popular reef fish species. The study found that only one species had a sustainable risk score, while others had estimated risks of over 95 percent.
A new study from the University of Eastern Finland highlights the need to revise fish stocking obligations in hydropower operations. The research emphasizes that compensating harm to fisheries with fish farming is unsustainable, and natural reproductive cycles must be prioritized.
A new study published in Nature Ecology and Evolution found that reef fisheries can still provide stable catches despite extreme coral bleaching. However, the fishery's success is more patchy and dependent on fewer species, with algal-feeding fish like rabbitfish providing a temporary boost.
A recent study of 89 fishing communities in East Africa reveals that neighborly agreements are uncommon, highlighting the challenges of sustainable use and the tragedy of the commons dilemma. The researchers found that predictable factors like activities proposed and historical context influence perceptions of costs and benefits.
Researchers found that preserving the lives of adult females in the North Atlantic right whale population is crucial for promoting population growth and recovery. Most deaths are attributed to entanglement in fishing gear and collisions with ships, highlighting the need for conservation efforts to protect these animals.
A Scripps Oceanography-led study finds that small-scale fisheries in the Gulf of California are overexploited and unable to support fishermen's livelihoods. However, if fish stocks recover, total annual revenues could increase by 70%.
Research finds that warming ocean temperatures and changes in the North Atlantic Oscillation are causing a significant decline in shellfish landings. Habitat degradation, including increased predation and poor water quality, is also contributing to the decline.
A new model predicts that ocean acidification could reduce the US sea scallop population by more than 50% in 30 to 80 years, but proactive climate policy may mitigate this impact. The study combines four major factors, including future climate change scenarios, ocean acidification impacts, fisheries management policies, and fuel costs.
New research reveals that EU fishing policies harm traditional artisanal fishing, driving fishermen out of the sea and leaving vulnerable fish stocks under intense pressure. The study calls for a shift towards more sustainable approaches to conserving fish stocks.
A recent study reveals that global shark catches have more than doubled since 1960, threatening almost 60% of shark species. The Hong Kong-based research highlights the need for consumers to reject shark fin products, which are often sourced from unsustainable and illegal fisheries.
The study found that shark catches have increased by more than double since six decades ago, leading to almost 60% of shark species being threatened. Sustainable fishing practices are challenging to enforce in the high seas, particularly in unmanaged fisheries of less economically developed countries.
A new NOAA report finds that 49 million adults participated in ocean and coastal recreation, spending $141 billion and supporting 3.1 million jobs. The Pacific region had the largest participation, with nearly 14 million participants spending over $39 billion.
A new study highlights the urgent need for nations to tackle both climate change and sustainable fisheries management. By adopting effective management practices and limiting global warming to 2 degrees Celsius, significant increases in food, fish, and economic activity are possible.
Researchers found that harvesting sustainable seafood globally can lead to higher food production and profits, even considering declining fish populations due to ocean warming. The study suggests that implementing adaptive management practices could offset the negative impacts of climate change on fisheries.
Research suggests that proactive implementation of fisheries management and climate action can create a more bountiful future for the world's oceans. The study finds that concerted responses to climate change can lead to increased fish populations, food availability, and profit for fishermen.
A new UBC study analyzed 825 marine fish species and found that 499 are projected to face very high extinction risks due to overfishing and climate change. Effective fisheries management and low greenhouse gas emissions can reduce this risk by up to 63%, saving hundreds of fish stocks from becoming endangered.
A new paper warns of the shortcomings of Individual Transferable Quota (ITQ) systems for fisheries, which can discourage development of equitable alternatives. ITQs regulate fisheries access by dividing up total catch limits among individual quota owners, leading to negative consequences for small-scale fisheries and marginalized groups.
A customized policy approach is needed to address the issues with fisheries management, including the perpetuation of panacea mindset and its effects on fish stocks and communities. The researchers propose an institutional diagnostics toolkit to challenge biases and develop informed policies.
A recent study found that high seas fisheries play a negligible role in addressing global food security, with only 60% of species caught being targeted for human consumption. The majority of high seas catch is sold to countries like the EU, US, and Asia.
Researchers emphasize the importance of seagrass conservation in securing a sustainable planet due to its role in biodiversity, fisheries, and carbon cycling. Seagrasses store significant amounts of carbon in their sediments, supporting local ecosystems and potentially mitigating climate change.
Small-scale fisheries, such as soft-shell clams in Maine, are threatened by climate change, invasive species and unsustainable land use. Co-management approaches, based on shared responsibility, can build resilience by strengthening science-based decision making and promoting adaptive capacities like learning and leadership.
Researchers found that shark vertebral band pairs are related to growth, specifically body width and girth, rather than time or age. This discovery challenges previous methods used for decades and has implications for fisheries management.