Articles tagged with Marine Conservation
A scientific team warns that most signatory countries are not on track to achieve target goals, and some targets are structured to give a false sense of conservation achievement. The team recommends restructuring targets to incorporate adequate conservation incentives to instill hope for the future.
The Dauphin Island Sea Lab is leading a five-year project to map and restore SAV in coastal Alabama, aiming to cut the frequency of mapping from every six years to twice within a six-eight year period. The project will also enhance educational resources and cover the restoration of three zones, including areas prone to erosion.
Researchers at North Carolina State University found that drones can be used to count and make species-level identifications of marine megafauna, particularly in shallow marine environments. The technology offers a valuable platform for scientists and conservationists to study populations and inform conservation efforts.
Current MPAs in Finland protect only 27% of marine biodiversity, leaving many ecologically important species at risk. Increasing protected areas by just 1% can double conservation of the most important species.
A study calls for a shift in focus from coral reefs to seagrass meadows as they face increasing threats from climate change and human activities. Seagrass conservation is crucial for global fisheries production, carbon cycle, and coastal ecosystem health.
Conservation scientists find that only 23% of the world's landmass can be considered wilderness, with the rest lost to human activities. Wilderness areas are crucial buffers against climate change and provide refuges for declining species.
Hurricane Walaka is battering the largest contiguous fully protected conservation area under U.S. flag, Papahānaumokuākea Marine National Monument. The storm's powerful thunderstorms have generated large surf and heavy rain potential.
The study assesses 13 ocean-based measures to reduce atmospheric CO2, counteract ocean warming, and mitigate sea-level rise. Ocean-based renewable energy stands out as the most promising solution, with moderate effectiveness for reducing marine pollution and protecting marine habitats.
A new study tracks migratory marine predators, revealing how their movements relate to geopolitical boundaries in the Pacific Ocean. The results provide critical information for designing international cooperative agreements needed to manage these species.
A new study finds that the ocean has lost most of its untouched areas, leaving only 13% classified as wilderness due to human activity such as fishing and shipping fleets. The authors call for conservation policies to protect marine wilderness, which is home to high levels of species diversity.
A study by University of Queensland scientists reveals that only 13% of the ocean can be classified as wilderness, leaving it vulnerable to loss. Marine areas devoid of intense human impacts are being protected, but most remaining wilderness is located in remote regions and is unprotected.
A new study tracked juvenile whale sharks across the Philippines, emphasizing the importance of the archipelago for the species. The study found that all tagged whale sharks stayed within the Philippines, with one individual traveling over 2,500 km through the Sulu and Bohol Seas.
A new report suggests that deep water coral reefs are not refuges for shallow reef organisms and require protection. The study found that mesophotic coral reefs have their own independent communities with little species overlap between depth zones.
A new study led by Francisco Ramírez from the University of Barcelona identifies key areas to protect 20% of sea bird populations in Patagonia. The research uses a multidisciplinary approach to define marine areas of interest in conservation, considering ocean currents and coastal ecosystems.
A 2012-2015 field study in north central California found that the sea star Pisaster ochraceus experienced 81% mortality, leading to shifts in allele frequencies among surviving adult and juvenile individuals. These changes may persist in future generations of sea stars, with implications for conservation efforts.
A Scripps graduate student has identified the world's first known manta ray nursery in the Gulf of Mexico. The juvenile manta habitat at Flower Garden Banks National Marine Sanctuary is crucial for understanding the species' life cycle and informing conservation efforts.
A team of researchers analyzed effective population size measures to reveal crucial considerations for recovering the southern sea otter population. The findings highlight the importance of accurate estimates to ensure species recovery.
A new study by UNC-Chapel Hill biologists found that loggerhead sea turtles genetically similar to one another nest on beaches with similar magnetic fields. The research implies that turtles can mistakenly nest at different beaches with similar magnetic fields, even if it's geographically far away from their hatching beach.
A two-year scientific study by the University of Exeter and Cefas is tracking Atlantic bluefin tuna movements in UK waters to aid conservation efforts. The study aims to improve knowledge on the species' migration patterns, habitat use, and interactions with fisheries.
Researchers at Monterey Bay Aquarium discovered sea turtles using their flippers to handle prey, a behavior thought to be unlikely in marine tetrapods. This 'exaptation' suggests flippers may have been adapted for novel tasks 70 million years earlier than previously thought.
A study by a team of economists and marine experts found that protecting marine coastlines contributes $179 million to the state's economy, more than finfish landings and whale-watching. Coastal conservation groups support activities such as beach cleanup and education campaigns.
Researchers from the University of Exeter use drones to track turtles over large areas, gaining insights into their behavior and movements at sea. The technology also offers cheaper alternatives for gathering information and provides new avenues for anti-poaching efforts.
A Florida Atlantic University study found that 70% of loggerhead sea turtle nests and hatchlings had different fathers, with no repeat males detected. This research provides insight into the reproductive behavior of male sea turtles and suggests a breeding sex ratio of approximately 1 female for every 2.5 males.
Kurt Ingeman's project aims to coordinate predator-prey management for optimal conservation outcomes and restoration of marine food webs. He will analyze recovery trajectories of species like rockfish and lingcod using strategic modeling and partner with organizations such as NOAA and The Nature Conservancy.
Researchers used novel techniques to analyze sea turtle bones and uncover previously unknown information about their habitats, including their age when they move into nearshore habitats and how they use offshore waters for feeding. The study provides strong applications to the conservation and management of this endangered population.
Scientists created a fully-resolved family tree for shark, ray, and chimaera species to quantify their evolutionary distinctness. This research identified five priority hotspots for conservation, helping to preserve up to 26 million years of unique evolutionary history.
A new study demonstrates how conservation techniques championed by Maine lobstermen help mitigate the impacts of warming oceans. The research found that conservation efforts prepared the Gulf of Maine population for temperature changes, leading to a 515% increase in lobster abundance.
Researchers used drones to count olive ridley sea turtles in Costa Rican waters, estimating densities of up to 2,086 animals per square kilometer. This method provides a safe and cost-effective alternative to traditional methods, revealing crucial insights for conservation and research.
A recent study found that 70% of respondents believe the marine environment is under threat from human activities, with pollution and fishing identified as top concerns. The public also strongly supports protection of marine areas through MPAs, but rules governing these areas vary widely.
Three new species of zoantharians were discovered in the Indo-Pacific region, expanding our understanding of coral reef diversity. One species was named after President Tommy Remengesau of Palau, highlighting the nation's support for marine conservation.
Researchers tracked 19 loggerhead turtles in the South Atlantic Ocean, discovering they don't passively ride currents but instead swim to remain offshore. The study sheds light on the 'lost years' of sea turtle life cycle, where young turtles survive several years at sea before returning closer to shore as large juveniles.
Researchers have identified two key locations to protect sea turtles: the waters off eastern Central Florida and the Great Bahama Bank. The study found that females who eat in southern areas tend to have more offspring, highlighting the importance of understanding where they forage.
A new European alliance for oyster conservation has been established to protect the endangered European flat oyster. The alliance seeks to re-establish this key species in the North Sea and adjacent seas through restoration of oyster reef structures.
Researchers found that bowhead whales in the eastern Canadian Arctic molt and rub on large rocks to facilitate exfoliation, shedding parasites and sun-damaged skin. This behavior may help reduce ultraviolet radiation damage, important for long-lived species like bowhead whales.
Researchers are developing a system to alert ships to the proximity of whales using acoustic monitoring, thermal imaging, and big data analytics. The goal is to reduce fatal collisions between ships and whales, particularly in the Santa Barbara Channel where important feeding grounds overlap with busy shipping lanes.
A UBC study identified 294 marine species that will be highly vulnerable to climate change by 2050. These species have limited temperature ranges, restricted geographic ranges, and specific habitat requirements making them more susceptible to climate change.
A new study reveals a majority of sea turtle populations are increasing, thanks to conservation efforts since the 1950s. Despite six species still listed as endangered, population trends show significant upward growth in most regions.
Scientists have found that queen conch populations in the Caribbean are fragmented into multiple distinct subpopulations, each with limited genetic exchange. This suggests that local management of fisheries is crucial to conserve these treasured marine snails.
A new study suggests that coastal marine ecosystems can be better managed with restoration instead of protection on limited budgets, according to researchers from the University of Queensland. The model compared scenarios of restoration versus protection and found that active marine restoration may be the most cost-effective way over d...
Researchers analyzed century-old seal pelts to investigate human impacts on the Antarctic ecosystem. They found that Weddell seals' diets have not changed significantly over the past hundred years, but significant change occurred in the phytoplankton community, likely due to climatic shifts.
A new study published in Frontiers in Marine Science reveals current threats to ocean health, including climate change, marine plastic pollution, and conservation efforts. The research also highlights the importance of integrated coastal zone management and marine protected areas in mitigating these issues.
Scientists describe a new subspecies of yellow sea snake with an unusual ambush posture that feeds on small fish at night. The species has a restricted geographic range due to its adapted habitat, making it susceptible to extinction.
A multiyear global assessment by researchers from NCEAS found that the world's oceans have a health record with stable overall health but declining trends in various indicators such as water quality and food provision. Countries taking concrete actions to protect their oceans, like Indonesia and Mexico, are seeing notable improvements.
A study found that most female Steller sea lions breed at the rookery where they were born, with fewer than 3% switching locations. When they did move, they preferred nearby rookeries with higher population densities.
The Republic of Indonesia has published Vessel Monitoring System (VMS) data on Global Fishing Watch, revealing commercial fishing locations and activities. This step towards increased transparency aims to combat illegal, unreported, and unregulated (IUU) fishing and support more informed management decisions.
The Ocean Health Index (OHI) researchers adopted collaborative research tools to enhance reproducibility and streamline workflow, making their methods more transparent and efficient. This new approach enables the team to produce better science in less time, sharing their story to encourage others to adopt similar practices.
Scientists have identified two climate-resistant coral refuges in northern Mozambique and the Quirimbas Islands, which provide variability for corals to adapt to climate change. Maintaining sustainable fishing levels and reef fish biomass is crucial to preserve these reefs.
A diverse group of experts is advocating for a marine code of conduct to address human rights violations and promote socially responsible decision-making in ocean conservation. The recommended principles include indigenous rights, food security, inclusivity, and transparency.
A global research team developed a new Web app to compare and align marine species occurrence maps from two extensive databases, improving the basis for ecological studies and policy decisions. The updated maps include 24,586 species, with some discrepancies found in the IUCN and AquaMaps datasets.
A new study calls for a global code of conduct for marine conservation, considering social justice and accountability practices. The code could ensure fair governance and respect for fishers' livelihoods, food sovereignty and dignity.
A new WCS study reveals that some corals are adapting to warmer ocean waters, with less coral bleaching in 11 of the 21 coral species studied. However, many species are not adapting, and global commitment is needed to address threats facing coral reef ecosystems.
The University of Miami's Rosenstiel School has received a two-year NOAA grant to support cutting-edge coral conservation research. Researchers will outplant nursery-raised staghorn corals onto nearshore reef habitats and develop an outreach program to engage the public in coral reef conservation.
A new study finds that Antarctica's biodiversity is lagging behind the rest of the world in protected area management and bioprospecting regulation. The region faces threats from warming oceans, melting ice cover, and transnational pollution, despite some successes in invasive species management.
A new report reveals over 5,000 likely transshipments between 2012-2016, with potential for millions more, highlighting the need for improved regulation and monitoring of transshipment in the global seafood market. The study also identifies clusters of transshipment along EEZs of countries with limited monitoring capabilities.
Researchers used satellite tracking to study basking shark migrations, revealing they don't hibernate in UK waters but instead seek out warmer temperatures. The data provides crucial information for conservation efforts, as the species is classified as 'vulnerable' and faces threats from human activities.
Scientists seek to convert the notorious U.S. military prison at Guantanamo Bay into a leading marine research facility and peaceful sanctuary for threatened Cuban species. A 'green' Gitmo proposal, proposed by University of Vermont biologist Joe Roman, offers a potential solution to the long-standing impasse in U.S.-Cuba relations.
Researchers used Global Fishing Watch data to track fishing activity around the Palmyra Atoll National Wildlife Refuge, a large MPA. Most satellite-tracked reef sharks remained within the MPA, while virtually all fishing vessels stayed outside, suggesting that MPAs can benefit declining mobile species like grey reef sharks.
Researchers from the University of Exeter have tagged and tracked hundreds of loggerhead turtles in Greece to study their migration patterns. The results show most turtles come from nesting populations within 125 miles, but one female traveled over 1,000 miles to breed in Turkey and Syria.
A massive genetic study of humpback whales has confirmed the need to protect unique populations in the Arabian Sea. The study, which analyzed over 3,000 skin samples from individual whales, revealed previously unknown degrees of relatedness between different whale populations.
A comprehensive study on Hong Kong's marine biodiversity reveals the territory is home to over 26% of China's recorded marine species, comparable to regions like the Caribbean Sea and East Africa. The research highlights the importance of conserving marine habitats in Hong Kong, with only 2% currently protected.