Articles tagged with Marine Conservation
Researchers measured phycotoxin concentrations in bull sharks caught in the Indian River Lagoon, finding multiple toxins widespread or persistent in the environment. The study highlights dietary exposure as a key mechanism of toxin transfer to bull sharks.
A new study suggests that sensory deterrents can work in some circumstances and may be part of the solution to reduce bycatch. The authors found that LED lights were the only technology to date found successful in trials across all marine megafauna groups, but also led to increased bycatch in some species.
A new study presents a comprehensive framework for assessing and mitigating the impacts of offshore wind energy development on marine birds. Researchers propose three steps for mitigation: avoid, minimize, and offset, with the potential to offset negative impacts through conservation strategies that can increase seabird population sizes.
In a rare piece of good news for the marine world, reef manta rays have been found to be increasing significantly in population in Raja Ampat archipelago. The study highlights the importance of well-enforced Marine Protected Areas and fisheries regulations in their recovery.
A distinct population of oceanic manta rays was identified off the coast of Ecuador, with an estimated total population of over 22,000 individuals, making it more than 10 times larger than any other known subpopulation. The population is large and potentially healthy due to favorable conditions in the region.
Researchers developed a pedigree for aquarium-bred corals, revealing relationships between individuals and identifying genetic differences. The study provides insights into maximizing genetic diversity and adaptability in corals bred for conservation, crucial for their resilience to threats like ocean warming and acidification.
A new study has revealed the genetic basis of argonaut octopus characteristics, including its unusual eggcase structure and adaptations for a pelagic lifestyle. The smallest known cephalopod genome was found in Argonauta argo, with significant differences in Hox gene arrangements and reflectin and tyrosinase gene clusters.
Scientists discovered that ancient fish favored cold, dark waters of the deep sea, challenging the assumption that shallow habitats have always been diverse. The study revealed three major events that drove speciation rates in the deep sea, including the breakup of Pangea and the Cretaceous Hot Greenhouse period.
A low-cost sensor disguised as a sea turtle egg can predict nest hatching time almost to the day. The TurtleSense system monitors nests remotely and detects synchronized developmental movement in real-time, enabling better decision-making for conservationists.
The US Harmful Algal Bloom Control Technology Incubator aims to advance innovative ways to control blooms impacting marine ecosystems and regional economies. The partnership between UMCES and Mote Marine Laboratory & Aquarium will offer funding and guidance for innovative control technology projects.
Marine protected areas significantly increase carbon sequestration in seagrass and mangrove ecosystems. Biodiversity and species richness also rise in preserved waters, contributing to food security and human well-being. Full protection is necessary for maximum benefits.
The Southern Ocean's ecosystem is facing major stressors from climate change, including melting sea ice and ocean acidification. Overfishing of species such as toothfish and krill is predicted to exacerbate environmental impacts on the entire ecosystem.
Current high levels of fishing in Antarctica's Southern Ocean, combined with climate change, are taking a concerning toll on the region. The authors argue that allowing continued fishing will jeopardize this ecosystem and is increasingly unsustainable.
FathomNet aggregates images from multiple sources to create a publicly available, expertly curated underwater image training database. The database uses artificial intelligence and machine learning to alleviate the bottleneck for analyzing underwater imagery, accelerating important research around ocean health.
The Black in Marine Science organization, founded by Tiara Moore, aims to increase diversity in the field. Despite its efforts, it still faces significant challenges, including a lack of representation among minority groups.
Genetic and genomic technologies can protect marine life by identifying illegally harvested seafood products and monitoring disease outbreaks. Assisted evolution and synthetic biology could also benefit ocean ecosystems by introducing beneficial species or manufacturing products in the lab.
A new type of satellite imagery with a spatial resolution of 15 cm has been used to detect and monitor critically endangered North Atlantic right whales. The technology allows for the identification of individual whales and their habitats, which will have significant implications for conservation efforts.
Researchers used directional hydrophones to track blue whale movements, revealing they respond to changes in the wind. The whales seek out cooler water plumes where krill are abundant, finding a crucial source of food.
Researchers found that the return of radiolarians, a tiny marine organism, helped restore habitable conditions after the massive extinction event. The study suggests that every microorganism plays a vital role in regulating biogeochemical cycles and conservation of the planet.
Researchers at Oregon State University developed a new satellite tag that allows long-term tracking of whale feeding behavior. This innovation will help better understand key whale behaviors, identify important habitats, and inform conservation efforts to protect whales from human activities such as ship traffic.
A recent study by the University of Plymouth and international partners reveals that rapid sea temperature drops of up to 10 degrees were a primary cause of a devastating coral die-off event in Costa Rica's Eastern Tropical Pacific. The research highlights the importance of considering upwellings when managing reef systems, and propose...
A new standard will help identify critical areas for shark conservation using criteria that consider biological and ecological needs. The framework aims to support the protection of apex predators facing extinction due to human threats.
A new study suggests that global fish stocks will not be able to recover to sustainable levels without strong actions to mitigate climate change and overfishing. Climate change has reduced fish stocks in 103 of 226 marine regions studied, including Canada, from their historical levels.
A new scientific article highlights the need for a global ocean vision to guide marine policies, plans, and programs. The authors propose incorporating Strategic Environmental Assessment (SEA) into international agreements to develop this holistic approach.
A study by OIST Graduate University's Marine Biophysics Unit found that mangroves in the Ryukyu Islands have limited connectivity, making it crucial to protect isolated forests. The research used genetics and oceanography to track propagule dispersal, revealing rare genetic exchanges between islands.
The University of Guam is conducting a four-person research team's study on the genetics of corals from the Northern Mariana Islands to understand coral population connections, diversity, and adaptations. The study aims to identify potential reserves for declining reefs and assess the impact of warming waters.
A new species of Bathynomus, a type of deep-sea isopod, has been discovered in the Gulf of Mexico. The new species, B. yucatanensis, is around 26cm long and has unique features such as slender body proportions and longer antennae.
Experts argue that seagrasses are crucial for achieving the UN Sustainable Development goals due to their carbon absorption and biodiversity benefits. The conservation and restoration of seagrass meadows can help tackle climate change and promote biodiversity recovery, making them a nature-based solution for the planet's future.
A long-term marine conservation effort in the US Virgin Islands has helped recover a key fish species, the red hind, with average fish size increasing by over 35% and population reaching sustainability. The recovery is attributed to management decisions and adherence to fishing closures.
A new study from North Carolina State University found that positive YouTube videos of sharks can increase human tolerance and support for shark conservation. The study showed a significant increase in attitudes, acceptance, and intentions to help sharks after watching positive videos compared to negative ones.
Researchers found 61 out of 86 species threatened with extinction, with coastal sharks facing greatest conservation concern. Increased protections and international trade regulations are crucial to prevent extinctions among these species.
A FAU Harbor Branch study demonstrates hydrology impacts through high-resolution simulation model. Increased freshwater discharge contributes to intensified shelf water mixing that favors surface intrusion of Loop Current waters.
Locations with high marine biodiversity are most vulnerable to oceanic warming, making them particularly susceptible to climate change. This is because species in these regions are ill-equipped to respond to large changes in temperature, requiring them to move at rates rarely seen for marine life.
Save Our Seas Foundation joins Wildscreen Festival as a Principal Sponsor, focusing on marine conservation and storytelling. The partnership will promote impactful storytelling through the Panda Awards' new 'Impact' category.
In a breakthrough observation, scientists documented large groups of southern fin whales feeding together in the Antarctic for the first time since the whaling ban. The discovery suggests that fin whale populations are rebounding, with numbers reaching up to 150 individuals.
Researchers highlight need for stronger integration of international negotiations to protect the ocean. They emphasize the importance of the ecosystem approach and regional environmental management plans in achieving a more cohesive global governance solution.
Satellite-tracking of whale sharks in the Panamanian Pacific reveals their feeding and breeding patterns, with a focus on protecting these endangered species from human threats. The study highlights the importance of identifying and conserving large oceanic areas and marine corridors to safeguard their migration routes.
Great White Sharks have been avoiding a South African coastal region due to the presence of Orcas. Long-term sightings and tagging data show that Great Whites flee areas with high Orca activity, adopting a 'flight' strategy reminiscent of wild dogs in response to increased lion presence.
Researchers tracked shark movements near Miami's city limits, finding they spent significant time near lights and sounds. This suggests sharks may be drawn to shore by land-based activities like fish carcass discarding, potentially impacting their health and survival.
Seagrass meadows are a crucial fishing ground for millions of households in the Indo-Pacific region, providing reliable access to fish and other animals. Research reveals that households with lower income rely more heavily on seagrass due to its proximity and accessibility.
A new study found that most severely injured North Atlantic right whales die within three years, with severe injuries increasing their mortality rate. The study also revealed a worrisome trend in females, including lower birth rates and longer intervals between calving.
A new study using sophisticated modelling and data from the Republic of Congo's marine national park found a steady increase in olive ridley turtle nests, while leatherback turtles' nesting numbers follow a cyclical pattern. The research highlights the region's importance for sea turtle conservation.
A recent study found that brightly colored, round-bodied fish are rated as the most beautiful by the public, while less attractive species tend to be more ecologically and evolutionarily distinct. These unattractive species, including those listed as threatened or in need of conservation evaluation, may receive less public support desp...
Scientists have discovered that Patagonia's giant kelp forests are resilient due to frequent marine cold spells, which help regulate their environment and keep temperatures comfortable. The region has not experienced extreme marine heat waves since 1984, allowing the kelp forests to thrive for almost 200 years.
Researchers have confirmed a globally rare manta ray nursery in the Raja Ampat islands in Indonesia, providing critical insights into juvenile reef manta rays' behavior and habitat. The discovery is expected to inform conservation efforts and protect this endangered species.
A recent study by Oregon State University reveals that the US has significant gaps in its marine protected area (MPA) network, covering only 25.2% of its waters as fully or highly protected. The analysis highlights an urgent need to improve MPA quality and quantity.
Conservation efforts have made progress along the African east coast, but tens of thousands of sea turtles still die each year. The study highlights the importance of local knowledge and community engagement in turtle conservation.
A new study suggests that large-scale ocean sanctuaries can help protect coral reefs from the effects of climate change. The research advocates for international collaboration to establish mesoscale sanctuaries across national boundaries to conserve these critical ecosystems.
Researchers found that maintaining hard water reduces zinc accumulation and oxidative stress in goldfish, mitigating toxic effects. This study provides an eco-friendly approach to address aquatic ecosystem pollution caused by heavy metal contamination.
Researchers at UBC's Sea Around Us initiative identified four high-traffic areas in the Pacific Ocean as crucial for conserving large pelagic fishes like tuna and swordfish. By analyzing migration routes, genetic sequencing studies, and catch distribution maps, they pinpointed 'blue corridors' where strict fisheries management measures...
The Save Our Seas Foundation has joined the Shark Conservation Fund to combat overfishing, illegal trade, and habitat destruction threatening shark populations. The partnership aims to conserve shark species, maintain healthy oceans, and address climate change's impact on marine biodiversity.
A scientific expedition led by the Smithsonian Tropical Research Institute aims to explore and document the biodiversity of Panama's Cordillera de Coiba seamounts. The mission, funded by several organizations, will use advanced technology to study the important habitats in the area.
Researchers tracked 60 stingrays for a year, finding they prefer shallow waters but move into deeper lagoons during extreme tides and temperatures. Climate change may alter their preferred habitat, putting them at risk from sharks.
A massive dataset reveals complex ecological relationships between sharks and game fish, offering a clearer understanding of their interactions. The study's innovative use of acoustic telemetry and machine learning helps inform fisheries management strategies to protect both species.
Scientists have discovered that squid can camouflage to match a substrate, avoiding predators in the process. The study, published in Scientific Reports, sheds light on the behavior of this third type of cephalopod and could inform conservation initiatives.
The RAMPAO network in West Africa covers vital habitats for green turtles, with most key migration corridors falling outside protected areas. The study highlights the importance of conservation efforts to protect these species and their habitats.
A study by University of California, Davis reveals that volunteer divers with Reef Environmental Education Foundation (REEF) helped monitor more than half of the total fish species in the Salish Sea. REEF scientists expanded the known range of multiple species and documented a new species, the striped kelpfish.
The expanded protected area protects fourteen marine mammal species and improves connectivity of the Eastern Tropical Pacific Marine Corridor. The new management plan prohibits fishing in two-thirds of the area and allows sustainable fishing, reducing bycatch and promoting conservation.
A recent study led by University of Hawaii student researchers found that exposing rice coral larvae to warmer temperatures did not improve survival once the coral developed into juveniles. Instead, rearing at ambient temperatures maximized early life stage survival.
The Save Our Seas Foundation awarded 25 new small grants in 2022, supporting young scientists in their research on shark and ray conservation. The projects focus on sustainable fisheries approaches, local knowledge, and community engagement to address species extinction risks and improve conservation efforts.