A study by the University of Barcelona found that marine heatwaves in 2022 caused an unprecedented increase in mortality of the red gorgonian Paramuricea clavata. The extreme heatwave affected 70% of colonies in the Montgrí Natural Park, Medes Islands, and Baix Ter.
This special issue explores methods to analyze marine structures, carry out intelligent operation and maintenance, and ensure safe development of marine resources. Research covers topics like ice channel identification, sound source location, mechanical performance, and risk assessment.
The study analyzed the 100 biggest marine protected areas, finding that slow implementation of management strategies and lack of restriction on human activities hinder their effectiveness. The authors highlight the need for improved quality of marine protected areas to achieve the goal of protecting at least 30% of the ocean by 2030.
Scientists find new partnership between diatoms and Rhizobia bacteria in ocean nitrogen fixation, playing a crucial role in sustaining marine productivity. The discovery has exciting implications for agriculture, particularly for breeding crops that can thrive without fertilizers.
A new analysis of 100 largest MPAs reveals slow implementation and inadequate regulations, raising concerns about conservation efforts. Effective design and management are crucial to achieving the goal of protecting at least 30% of the ocean by 2030.
Researchers discovered that two species of marine bacteria work together to produce vitamin B12, essential for metabolism and survival of many marine organisms. The bacteria release building blocks into the water, which are then combined to form the vitamin through a complex process involving viral infection.
This year's awards recognize two groundbreaking articles that significantly influenced marine resource management literature and remain relevant today. Kenneth Ruddle, Edvard Hviding, and Robert E. Johannes' 1992 article on customary marine sea tenure systems delivers sustainable use of marine resources.
A study published in Nature found that changes in marine plankton communities can precede mass extinctions. Researchers used a database of fossil records to analyze how plankton responded to climate change over millions of years, revealing that community shifts often occur before losses of biodiversity.
A new tagging method, Bioadhesive Interface for Marine Sensors (BIMS), provides a rapid, non-invasive way to track marine animal movements and behaviors. BIMS uses a soft hydrogel-based adhesive that forms strong bonds with animal tissues, allowing for long-term monitoring of fragile species.
Scientists used lithium isotope data to show that continental clay export promoted organic carbon burial and thus atmospheric oxygenation during the Cambrian period. This finding challenges traditional views on marine oxygen levels during this time, suggesting a complex interplay between oceanic and atmospheric processes.
The Global Ocean Artificial Light at Night Network aims to expand on previous research, providing a central resource for marine light pollution expertise. Light pollution poses significant ecological harm, including disruptions to daily rhythms and reproductive cycles of marine species.
Despite being in place to rebuild fish populations, marine protected areas have flatlined or declined adult fish populations. Strong enforcement and climate-friendly design are crucial for their success.
A new study reveals that marine heat waves disrupt the ocean food web in the northeast Pacific Ocean, shifting energy and impacting predators and prey. Gelatinous zooplankton thrive during heat waves, drawing energy out of the ecosystem and potentially affecting fish and marine mammals.
A new study reveals that tropical herbivores moving into subtropical waters are at risk of overgrazing seagrasses, which could lead to the decline of these vital habitats. To mitigate this, researchers emphasize the importance of protecting water quality and providing sufficient light for seagrasses to thrive.
Researchers have discovered the gene responsible for producing a unique type of chlorophyll in marine algae. This breakthrough could lead to improved crop yields on less land, making it a key step towards achieving a more sustainable food supply. The study also demonstrated that a land plant can produce this specific type of chlorophyll.
Researchers found that pelagic fish are more strongly impacted by human pressure but also benefit from marine protected areas. The study highlights the importance of increased protection in remote regions to safeguard the world's largest and most endangered pelagic fishes.
A study found that the avian influenza virus H5N1 has adapted to spread between birds and marine mammals, with nearly identical genome sequences detected in four sea lions, one fur seal, and a tern. The virus's ability to infect birds remains unchanged, while its transmission among marine mammals is concerning.
Researchers at PolyU have developed a novel biomineralization strategy to prevent microbially induced corrosion on concrete for sustainable marine infrastructure. The technique isolates concrete from corrosive microorganisms, extending the lifespan of structures and reducing environmental impact.
A new framework for marine biodiversity protection in US waters has been developed by an international team, including NSU researcher Tracey Sutton. The framework identifies significant gaps in current protection measures, reflecting the need for a more comprehensive approach to safeguarding ocean life.
A new study published in Proceedings of the Royal Society B found that the end-Triassic extinction had a greater impact on terrestrial ecosystems than marine ecosystems. Terrestrial ecosystems took longer to recover from mass extinction events, with higher extinction severity and fewer groups occupying key ecological roles.
A new database of marine microbes has been created, revealing insights into the ocean's diversity and its impact on climate change. The catalog provides unprecedented information on which microbes live where and what they do.
Researchers discovered 50 genetic changes underlying the switch from egg-laying to live-bearing in marine snails, which evolved within the past 100,000 years. The findings provide insights into the evolutionary process and potential benefits of live-bearing, including increased reproductive success in new habitats.
The EUDTO-BioFlow project aims to establish a digital twin of the ocean by making critical marine biodiversity data publicly available. This will enable the simulation and study of 'what if' scenarios for effective conservation and management.
A new study reveals that shipwrecks are providing a sanctuary for fish, corals, and other marine species in areas open to destructive bottom towed fishing. Marine life density is significantly higher within wreck sites than in control areas.
The University of Miami Rosenstiel School will conduct multi-stressor experiments on 16 key reef species to assess the impacts of ocean warming, acidification, and hypoxia on South Florida's coastal and marine ecosystems. The project aims to characterize the effects of climate change stressors under present and future scenarios.
Sunny Jardine has been appointed as the new Editor-in-Chief of Marine Resource Economics, bringing expertise in commercial fisheries management and conservation planning. She succeeds Joshua K. Abbott, who led the journal's expansion into case studies and improved citation rates.
A new approach to understanding climate change effects on marine ecosystems considers both smooth trends and variable changes, highlighting areas vulnerable to extreme events. Researchers propose a 'more realistic' conceptual model to better predict future consequences.
Researchers discovered that true crabs have left the marine environment up to 17 times over the past 100 million years, with most species able to survive in semi-terrestrial habitats. The study's findings provide insights into convergent evolution and the adaptation of crabs to life on land.
A recent study reveals that marine debris along the Indian southeast coast enables the spread of invasive species, including the mussel Mytella strigata. The research highlights the pressing issue of plastic pollution facilitating non-indigenous organism introduction, posing a significant threat to regional marine ecosystems.
A new study examines the life expectancy and lifespan equality of four marine mammal species in zoos and aquariums compared to their wild counterparts. The study found that marine mammals live longer in captivity, with a three-fold increase in life expectancy and a decline in deaths in the first year of life.
Researchers have uncovered the molecular mechanism behind a marine feeding strategy that could optimize biofuel production from marine brown algae. The study reveals how sea slugs and their prey co-evolved to maintain ecological balance, with potential applications in biotechnological biofuel production.
A comprehensive review explores iron's role in preserving organic carbon in marine sediments, a crucial component of the Earth's surface system. The study highlights iron's influence on selective preservation and redox processes, shedding light on its significance for carbon sequestration.
A new study found that mussels can adjust their heart rate and clearance rate in response to elevated temperatures, showing they can persist and recover from marine heatwaves. This ability may help maintain normal functioning of the circulatory system and benefit other organisms in coastal ecosystems.
A study published in PLOS ONE found that 72% of US-managed cetacean and pinniped stocks are highly or very highly vulnerable to climate change. The researchers used a trait-based climate vulnerability assessment framework to evaluate the impacts on marine mammals.
Ghana has adopted a citizen science approach to address marine plastic litter, leveraging existing data and networks to inform policies and global SDG monitoring. The initiative has become a success story, providing valuable insights for other countries to incorporate citizen science into their SDG efforts.
A new study synthesizes marine light pollution science, revealing the impact of artificial light on coastal ecosystems and species such as sea turtles. The research highlights the need for urgent action to mitigate the effects of artificial light at night on marine life.
A new study analyzes relationships between body size, trophic level, latitude, and depth for 5,619 marine fish species. Marine fish species tend to have larger body sizes and higher trophic levels in high latitudes, while opposite patterns are observed in warmer latitudes.
A new study forecasts the impact of marine heatwaves on top ocean predators, revealing varied effects and potential redistributions across international boundaries. The researchers developed models to provide real-time predictions of how species shift during heatwaves, informing proactive climate-ready management strategies.
A Rutgers-led study found that marine heat waves have minimal lasting effects on fish communities. Fish populations can find safe havens by moving to areas with cooler water during heat waves, but the impacts vary and are unpredictable.
Researchers found that sinking culled fruit trees into the Wadden Sea boosted local marine life diversity and abundance. The study shows native biodiversity can be restored using trees as reefs.
Researchers from FAU Harbor Branch deployed an autonomous wave glider to survey marine managed areas off Puerto Rico, recording grouper mating calls and determining spatiotemporal distribution of the two species. The study highlights the importance of spatial and temporal expansion of existing regulations to protect threatened species.
A new study reveals that analyzing surface temperature anomalies without correcting for long-term warming trends can lead to biased detection and characterization of marine heat waves. By removing the trend from data, researchers can distinguish between transient changes and actual shifts in heat wave properties.
The study found that environmental conditions and the state of the ocean can lead to enhanced risk for ocean temperature extremes. Upwelling patterns on a short-term basis also initiate some of these marine heatwaves and cold spells.
A new species of marine cryptofauna, Gnathia jimmybuffetti, was discovered in the Florida Keys. The roughly three-millimeter-long isopod has been characterized using photomicrographs and genetic sequencing, providing valuable insights into coral reef biodiversity and parasite impact.
A new study using Marine Monitor highlights the need for systems that can track boater activity in small, coastal MPAs. The findings show that traditional vessel tracking systems can miss up to 93% of boater activity at highly urban MPAs.
A study found that even no-take MPAs in California and globally are vulnerable to marine heatwaves, leading to mass species mortality and displacement. The research revealed that ecological communities shift dramatically after such events, regardless of protection status.
Researchers from the University of Portsmouth found that biodegradable fishing gear (BFG) does not significantly reduce the cost of ghost fishing due to decreased fishing efficiency. The study suggests that implementing BFG could still have economic benefits, but only if it can achieve similar fishing efficiency as traditional gear.
A study by IMEDEA (CSIC-UIB) proposes revising the definition of marine heatwaves to better adapt to climate change. The current definition forecasts extreme events throughout the entire year by 2050, which is misleading and can jeopardize its use as a climate indicator.
Researchers used coastal surveys from 1993-2021 to find a dramatic delayed effect of warmer oceans on seabird mortality. Massive die-offs occurred roughly once per decade, with five events exceeding a quarter million birds between 2014 and 2019.
New study finds that limiting human activity in parts of the ocean can enhance marine environment health and benefit nearby coastal communities. MPAs with strict fishing restrictions sustain fisheries and improve income and food security for nearby residents.
A new Stanford University study models the distribution of seagrass species around the world at two different timepoints in the future, predicting widespread reductions in species diversity and composition under all scenarios. The research highlights the need for more intentional conservation efforts and emphasizes that even the curren...
A new study examines the impact of marine heatwaves on fisheries and ecosystems, providing insights for managing these disruptions. The research highlights both winners and losers in the face of warming waters, emphasizing the need for adaptable management strategies to mitigate losses and capitalize on unexpected gains.
A global study maps marine habitat-forming species' genetic diversity, revealing key regions and threats to conservation. The study highlights the need to protect genetic diversity in marine protected areas, which currently fail to preserve this essential component of biodiversity.
Researchers discovered Vibrio pathogens can stick to microplastics, adapting to plastic, and have aggressive behavior, forming biofilms and causing infections. The study highlights the risks of Sargassum-plastic marine debris interactions, with potential for opportunistic pathogens and disease transmission.
The study investigates toxic effects of pesticides (chlorpyrifos, acetochlor, dicofol) on S. costatum growth and chlorophyll-a content, revealing varying toxicity levels among the pesticides. Marine microalgae partially degrade pesticides, with acetochlor showing stronger persistence.
Researchers identified a single-celled organism called a scuticociliate as the cause of a massive die-off event among long-spined sea urchins in the Caribbean and along Florida's east coast. The team used genomic techniques and lab experiments to confirm the source of the die-off, replicating what was observed in the ocean.
A new tool, Paper Park Index (PPI), helps identify 55 marine protected areas that fail to protect marine biodiversity. Most 'paper parks' are located in Latin America and the Caribbean, where fishing intensity is high.
A new study finds that supernovae have a persistent influence on marine life's biodiversity, with variations in nearby exploding stars closely following changes in marine genera. Supernovae may regulate climate through cosmic rays, influencing nutrient transport and primary bioproductivity.
A new study by the University of Exeter and the University of Bristol Law School suggests that governments should empower citizens to shape marine environmental decisions. The researchers propose a new definition of marine citizenship, recognizing rights as well as responsibilities, to create transformative change for sustainability.
The study highlights the complexity of microplastics as a pollutant, affecting sea animals' feeding behavior, reproductive outputs, and causing developmental anomalies. Researchers call for more research into plastic contamination and synthetic additives to understand and prevent further environmental health problems.