Articles tagged with Marine Conservation
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A new study finds that marine conservation initiatives can have negative impacts on community livelihoods, including increased anxiety and social division. Researchers recommend that conservation efforts should follow social impact assessments and provide livelihood support for affected communities.
New research shows Mediterranean green turtle populations are recovering, but loggerhead turtles face additional threats due to high mortality rates. The study found stable reproduction rates among loggerheads, suggesting deaths among all ages impede their recovery.
Researchers found that baby green sea turtles actively orient to the Sargasso Sea, a key habitat during their early years. The discovery sheds light on the turtles' migration patterns and informs conservation efforts.
Sea turtle nesting populations in the Cayman Islands have recovered significantly after conservation efforts, with loggerhead and green turtle numbers increasing dramatically. However, hawksbill turtle nest numbers remain low and populations still face threats including illegal hunting and artificial lighting on nesting beaches.
Over 500 million people rely on coral reefs for protection and resources, but these ecosystems are threatened by global warming. A team of scientists recommends a massive energy transition as the most effective action to limit coral reef decline, with international political support necessary.
New research reveals that Seychelles giant trevally's home range increases as it grows, emphasizing the need for long-term tracking and monitoring of threatened species. The study suggests conserving nursery areas like St Joseph Atoll to protect the next generation and finding a balance between harvesting and catch-and-release fishing.
A Stanford-led study illuminates the mystery of North Pacific loggerhead turtles' epic migrations between Japan and Baja California, providing evidence of a 'thermal corridor' that allows them to cross inhospitably cold ocean barriers. The findings could inform conservation measures to protect sea turtles amidst climatic changes.
Researchers map human impacts on threatened and near-threatened marine species over time, revealing widespread and intensifying pressures. Corals are found to be severely impacted across their entire ranges, with climate-related impacts increasing in severity.
The Pew Charitable Trusts has named 9 distinguished researchers as 2021 recipients of the Pew fellowship in marine conservation. The new fellows will undertake projects addressing ocean conservation and management needs globally, from improving shark conservation to studying coastal habitats.
A study using satellite technology has revealed the 3D movements of young great white sharks near New York, showing they prefer coastal waters and can exhibit connectivity to mid-continental shelf regions. The research provides new insights into their ecology, behavior, and conservation, informing preservation strategies for this vulne...
A groundbreaking global study maps ocean areas that, if strongly protected, can help solve climate, food and biodiversity crises. The research identified specific regions that could provide multiple benefits, including safeguarding nearly 80% of marine species and preventing the release of one billion tons of CO2 into the ocean.
A comprehensive study identifies specific ocean areas that must be protected to safeguard over 80% of endangered marine species' habitats and boost fishing catches. The research also finds that trawling is pumping hundreds of millions of tons of carbon dioxide into the ocean every year, highlighting the need for strict protection.
A new special issue of PARKS journal reveals massive impacts of COVID-19 on global conservation, including job losses and environmental rollbacks. However, studies show that Indigenous Peoples and local communities with governance power over their lands were able to continue to steward resources and protected areas.
A new study uses a high-resolution ocean model to track the migration of baby sea turtles in their 'lost years'. The model shows that hatchlings are swept towards regions with favorable food availability, increasing their chances of survival. This research provides insights into the critical stages of sea turtle conservation efforts.
Researchers analyzed tracking data of 5,775 birds across 39 species to estimate global political responsibility for their protection. The study found that many countries lack agreements with each other's breeding grounds, highlighting the need for international agreements to conserve these threatened seabirds.
A multiyear study by Florida Atlantic University found striking differences in travel patterns between the Atlantic and Gulf coasts of Florida. The majority of Gulf coast whitespotted eagle rays exhibited migratory behaviors, while most Atlantic coast rays remained residents within the Indian River Lagoon.
A new study highlights the importance of adopting a network of marine protected areas around Antarctica to conserve breeding colonies of Antarctic penguins. The proposed MPAs would increase permanent conservation by 49-100%, depending on the species, and provide critical foraging grounds for penguin populations.
A team of researchers has discovered a new population of blue whales in the western Indian Ocean, identified by their unique song. The population is thought to spend most of its time in the northwestern Indian Ocean, challenging previous assumptions about whale migration patterns.
A study by the University of Helsinki and colleagues found that salmon from the Tornio and Kalix Rivers in Finland and Sweden have distinct migration patterns and ages, but no clear genetic differences. The research highlights the need for cross-border cooperation to conserve the largest wild Baltic salmon stocks.
A Rutgers-led study finds that planning ahead for climate change can help protect marine species and commercial fisheries by setting aside parts of the ocean for conservation and fishing. Effective ocean planning can lead to better safeguards with few tradeoffs.
The sunflower sea star, a key predator in kelp forests, has suffered a dramatic 90.6% decline due to sea star wasting syndrome, resulting in an estimated 5.75 billion animal deaths and nearly complete population loss in the contiguous US and Mexico.
A new study reveals that conservation efforts are making an impact on silky sharks, with 99.8% of fins from Hong Kong and China originating from the Indo-Pacific Ocean. The research highlights the need for increased monitoring and better implementation of CITES regulations to combat illegal shark fin trade.
Research by KAUST reveals that sand temperatures at Red Sea nesting sites have exceeded the pivotal temperature threshold of 29.2 degrees Celsius, leading to feminization of hatchlings and potential mass mortality.
Researchers from the University of Exeter and ZSL used GPS and satellite tags in plastic bottles to track plastic pollution in the Ganges river and Bay of Bengal. The study found that plastic pollution can travel thousands of kilometers in just a few months, with some bottles traveling up to 2,845km in 94 days.
Researchers found that small, community-based reserves in Thailand's Salween River Basin serve as critical refuges for fish diversity. These reserves contain on average 27% more fish species and 124% higher fish density compared to adjacent areas.
A University of Stirling study found a decrease in self-reported sea turtle egg consumption and poaching of adult sea turtles after a community-based campaign. However, the increase in anti-poaching law enforcement may have impacted results.
Scientists from the Khaled bin Sultan Living Oceans Foundation found Palau's coral reefs to have exceptionally high live coral cover, exceeding 45%, and species diversity. However, reef fish communities were found to be lacking, with many big fish missing and signs of overfishing observed on nearshore reefs.
Researchers have found a decline in sea turtle sightings off the coasts of the UK and Ireland over the past few decades. The study suggests that factors such as climate change, prey availability, and environmental disasters may be influencing this trend.
A recent study by researchers at the University of Queensland found that nearly 80% of threatened species globally are not adequately protected, falling short of the 17% target for land and 10% target for oceans set by the Convention on Biological Diversity.
Researchers found vessel traffic and whale vocalizations contribute to ambient sound, with fluctuations by month and seasonal peaks. The study establishes a baseline for understanding the impact of human-made noise on the sanctuary's ecosystem.
Researchers from Università di Bologna found evidence of genetic isolation between two morphotypes of Parazoanthus axinellae, suggesting they may belong to different species. The study's findings have significant implications for biodiversity conservation in the Mediterranean Sea.
A study by Oregon State University found that marbled murrelets are at risk of local extinctions due to changing ocean conditions and loss of old forest habitats. The bird's long-distance nesting commute and reliance on forage fish make it vulnerable to habitat fluctuations.
Researchers tracked juvenile smooth hammerhead sharks for up to 15 months, revealing seasonal migration patterns and key habitats. The study provides critical information for targeting conservation efforts and protecting this near-endangered species.
A New Zealand-led international study used satellite images and citizen science to uncover the secret lives of crabeater seals in Antarctica. The researchers found that crabeater seal distribution overlapped mostly with Antarctic krill habitat, highlighting the importance of conserving this ecosystem.
Scientists found impressive reefs with diverse coral communities but few fish, particularly near coastal communities. The research provides critical baseline data to monitor changes and inform management plans for conservation.
The BlueSwell program provides a comprehensive early-stage incubator for bluetech innovations, offering $35,000 in grants and mentorship from industry experts. The initiative aims to foster sustainable use of the ocean through innovative solutions in offshore renewable energy, sustainable seafood, and more.
A team from Florida Atlantic University conducted the world's most complete health analysis of nesting green sea turtles in Florida, providing critical insights into physiology, biology, and herpesvirus epidemiology. The study found no significant differences between healthy and infected turtles, indicating that these viruses are endem...
Researchers from FAU Harbor Branch Oceanographic Institute used satellite telemetry to track the movement of Indian River Lagoon dolphins at night. The study found that these dolphins regularly leave the estuarine system and swim substantial distances up freshwater rivers, creeks, and canals.
The report found many coral reefs to be in surprisingly good health, with abundant and diverse coral and fish communities. Reefs far from shore or protected in Marine Protected Areas were in particularly good condition, but nearshore reefs showed signs of fishing pressure.
Researchers found that loggerhead sea turtles harbor thousands of microscopic organisms, including nematodes, on their shells. The study adds at least 111 new species to the list, revealing a complex relationship between turtle migration patterns and microbial communities.
A study finds that ecotourism has positively transformed people's attitudes towards whale sharks and marine conservation in the Philippines. Locals who work for tour operators report a stronger emotional connection to the species and increased willingness to protect them, leading to more sustainable fishing practices.
Researchers assessed 1062 Mediterranean marine protected areas and found that 95% lack regulations to reduce human impacts on biodiversity. Effective levels of protection represent only 0.23% of the region.
A team of researchers from the University of California - Santa Barbara used big data and optimization algorithms to identify high-biodiversity hotspots in international waters. These areas could become the first generation of high seas marine protected areas, leveraging new global data assets and tools for conservation.
A recent study by the University of Exeter and Marine Conservation Society found no difference in litter levels inside and outside England's Marine Protected Areas (MPAs), with plastic being the main form of litter. The research highlights the need for locally appropriate management to tackle specific sources of litter in different areas.
A landmark study published in Nature outlines a roadmap for rebuilding marine life to full abundance by 2050. The research identifies nine key components and six complementary interventions that can accelerate recovery within two to three decades, provided climate change is tackled.
A study found that reef manta rays in New Caledonia are diving much deeper than previously recorded, with maximum depths exceeding 672 meters, and most dives occurring at night.
The Red Sea's coral reef, critical to the region's ecosystem, is resilient but vulnerable to climate change. The researchers call for UNESCO recognition and coordinated conservation efforts to protect the reef.
Scientists from the Global Reef Expedition found that many coral reefs in the Cook Islands were in good shape, with high coral cover and diverse fish communities. However, Aitutaki's corals were being ravaged by a crown-of-thorns starfish outbreak, causing significant damage to the reef ecosystem.
A team of marine scientists has called on the UK government to overhaul its approach to marine conservation management, citing declining biodiversity and the need for more effective habitat repair and integration with fisheries management. The researchers recommend four key changes to increase ambition and support the UK's target of be...
A survey of world's leading deep-sea scientists identified priorities for deep-sea monitoring, including large animals and habitats like deep-sea corals. The study highlights the need for a better standardized monitoring framework to prepare for future management.
Research reveals physical connectivity between southern Red Sea and Indian Ocean, highlighting need for regional marine conservation approach. Genetic patterns suggest clearer separation between northern and southern parts of sea.
A global analysis by the University of Washington found that nearly half of the world's fish catch comes from sustainably managed stocks. Effective management is credited as the main reason for these sustainable levels or successful rebuilding.
A collaborative conservation approach involving government agencies, researchers, and nonprofits has led to a significant recovery of Nassau Grouper populations in the Cayman Islands. The population increased by nearly threefold over 10 years, with rapid growth due to an increase in new, younger fish joining the aggregation.
A new social-ecological systems monitoring framework has been implemented to uncover drivers of coral reef conservation success, incorporating both social and ecological indicators. The framework, developed from Elinor Ostrom's work, sheds light on local coral reef management contexts, resource use, and stakeholders' perceptions.
A new study suggests that California could more than triple its southern sea otter population by repopulating the largest estuary on the coast, the San Francisco Bay. This would be a huge boost to conservation efforts, potentially lifting the species out of endangered status.
Key findings from COP25 Oceans Actions Day highlight the importance of protecting Blue Carbon Ecosystems, including mangroves and seagrasses. The event emphasizes the crucial role of oceans in achieving sustainable development goals and reducing climate change vulnerability.
A new study found that LED lights along the top of floating gillnets in Peruvian waters can cut accidental bycatch of sea turtles by more than 70%, and small cetaceans (including dolphins) by over 66%. The research suggests that this simple, low-cost technique could help save wildlife while allowing fishers to fish more sustainably.
A six-year study of whale shark movement and residency has provided critical insights for conservation efforts. The research found that the aggregation meets the criteria of a shark nursery, shedding light on whale shark behaviors that could inform management strategies.
Scientists report that over one-third of ocean areas under protected status result from the annual Our Ocean Conference. The conference has driven meaningful action and elevated ocean issues on the international stage, with 4.8% of the global ocean area now protected.
A recent study found that coral bleaching in the Indo-Pacific is driven by a variety of stressors, with each region responding differently to excess heat. The research suggests that coral responses to global climate change are changing, requiring management and policies to be aligned with location and type of stresses.