Articles tagged with Marine Conservation
A study suggests that setting aside at least 30 percent of the ocean for protection could have numerous benefits for conservation, fisheries, and other stakeholders. The research found a surprising consensus among previous studies on an ambitious target for ocean protection.
A new study by UM Rosenstiel School researchers found that expanding protected areas in US federal waters would safeguard 100% of core home range areas used by three shark species. The study suggests that protecting sharks' core habitat use areas, where they spend the majority of their time, can provide significant conservation benefits.
Jacquet aims to identify expected winners and losers of closing the high seas to fishing and explore feasibility of changing fisheries policies. Her research focuses on large-scale cooperation dilemmas like climate change and wildlife exploitation.
The Automatic Identification System (AIS) can help minimize the negative effects of shipping on marine mammals. Researchers used AIS to track vessel traffic in relation to whale habitats, identifying areas where shipping lanes and migration routes overlap. By improving coverage and usability of data, AIS can inform conservation efforts.
Research shows that artificial lights along Florida's coast deter nesting females but also find that sea turtle-friendly lighting ordinances are working. The density of sea turtle nests is reduced where artificial light is brightest and higher where it's dark.
Researchers tracked shark movements and longline fishing vessels in the North Atlantic finding significant overlap, driving shark declines. The study suggests catch quotas or size limits will be necessary to protect oceanic sharks from commercial fishing.
A recent study published in the Royal Society Open Science journal has made the first-ever field observations of Omura's whales off the coast of Madagascar. The research team observed 44 groups of whales, collected skin biopsies from 18 adult whales, and recorded song-like vocalizations that may indicate reproductive behavior.
Scientists and legal scholars warn that countries are misinterpreting the 'rational use' of natural resources to escalate fishing efforts in Antarctic waters. Marine protected areas, crucial for conserving the region's last intact ecosystem, are being hindered by this misinterpretation.
The Ocean Conservancy's report outlines specific land-based solutions for reducing ocean plastic waste, including a four-point plan to cut leakage by 45% in 10 years. The report estimates a total cost of $5 billion and significant returns to the global economy.
A new study measures coral-reef ecosystem condition, predicts key threats, and evaluates human stressors in Micronesia. The results reveal only 42% of major reef habitats exceed thresholds for conservation efforts.
A team of UK scientists has created the first three-dimensional picture of a submarine canyon habitat using marine robotics and ship-based measurements. The expedition used unique robot technology to collect data in hard-to-reach areas, leading to a better understanding of biodiversity patterns and processes.
The Ocean Health Initiative aims to protect and restore coastal and marine habitats, supporting the conservation of threatened marine and coastal species. The program, funded by a $1.5 million pledge from SeaWorld Entertainment, will focus on key estuaries along the Eastern Atlantic and Gulf of Mexico.
A Nova Southeastern University researcher has discovered a new deep-sea fish species, the Ceratioid anglerfish, found between 1,000-1,500 meters depth in the Gulf of Mexico. The three female specimens, considered type specimens, will reside in the Ichthyology Collection at the University of Washington.
A recent study suggests that Australian humpback whales should be downlisted from threatened species status due to remarkable population growth rates. The East and West Coast populations have increased by 63% and 90%, respectively, since the whaling era.
Researchers found that the risk of white shark attack for individual ocean users in California has fallen strikingly by over 91 percent since 1950. Information on coastal population growth, seasonal and weekly beach going, surfing, scuba diving, and swimming empowers ocean users to avoid large predators.
The Mediterranean loggerhead and green turtle populations are threatened by human-induced threats, with a bycatch rate of up to 200,000 loggerheads per year. Researchers emphasize the importance of rescue centers and first-aid stations, calling for improved communication and collaboration among existing centers.
Scientists have revealed the Antarctic region is rich in species, with diverse ecosystems and micro-organismal life. The study highlights the need for comprehensive protection of the Ross Sea and improved conservation efforts to preserve this unique biodiversity.
The Mid-Atlantic Regional Council on the Ocean (MARCO) supports the Mid-Atlantic Fishery Management Council's approval of an amendment protecting deep sea corals. The areas proposed for designation encompass over 38,000 square miles and will safeguard these ecosystems' long-term health.
A recent study from the University of Exeter has discovered Gabon's coastline to host the largest breeding colony of olive ridley turtles in the Atlantic. The research reveals an estimated 9,800 turtle nests per year, highlighting the importance of continued conservation efforts for this vulnerable species.
A scientific review synthesizes decades of discoveries on the evolution of whales, dolphins, seals, and other species that adapted to aquatic environments. The study highlights how life in the ocean has responded to environmental change over time, informing an understanding of human impacts on marine species today.
Marine ecologists track striped marlins in Pacific Ocean using satellite tags, revealing their preferred habitat in the epipelagic layer within 8 degrees C of sea surface temperature. The study's findings may help reduce undesired catch and target higher-value species.
A study published in Journal of Applied Ecology found that fully protected 'no-take zones' would have greater benefits for wildlife and fisheries than limited-take zones. Researchers propose a compromise between no-take and limited-take zones to balance ecological and economic objectives.
The Pew Charitable Trusts has named five distinguished scientists and conservationists from Canada, Australia, Russia, and the UK as 2015 recipients of the Pew fellowship in marine conservation. They will conduct research projects addressing key ocean conservation challenges including bycatch reduction and coral reef protection.
A recent study led by Simon Fraser University biologist Isabelle Côté suggests that closing the high seas to fishing would have little impact on global fish catches. Most fish stocks are already shared between the high seas and exclusive economic zones, reducing the financial implications of such a closure.
A new study by the University of Sheffield has found that 20-25% of well-known sea species are threatened with extinction. The research highlights the need for more comprehensive assessments of marine species, which currently have been completed for only three percent of cases.
A study led by the University of Barcelona found that tourism, fishing, and sea transport are compromising the wellbeing of common bottlenose dolphins in the Pityusic Islands. The researchers estimate there are only a few hundred dolphins in the area, and conservation measures are needed to protect them.
A recent study reveals the Arabian Sea humpback whale population has remained separate from other humpback whales for approximately 70,000 years. This genetic isolation may be linked to glacial episodes and asynchronous breeding cycles, highlighting the need for urgent conservation efforts.
A study published in PLOS ONE found that a humpback whale population in the Arabian Sea has been isolated for approximately 70,000 years. The population is highly distinct from other global populations, with low genetic diversity and abundance estimates, raising concerns about its survival.
Researchers have identified key habitats for Iberian orcas, showing they are closely tied to tuna migration patterns. The small population faces threats from human activity in their limited habitat.
The future ocean will be warmer, with reduced ice extent, higher sea levels, more acidic, and lower oxygen levels. Research must focus on understanding marine systems' responses to cumulative pressures.
A study by the University of York found that community-led marine conservation is emerging as a key tool in the Western Indian Ocean, with over half of sites now under local stewardship. Locally managed marine areas have proven cost-effective and socially acceptable alternatives to traditional top-down methods.
A new study reveals that coral reefs provide substantial protection against natural hazards, reducing wave energy by an average of 97%. The restoration and conservation of coral reefs is a cost-effective solution to reduce risks from coastal hazards and climate change, benefiting hundreds of millions of people worldwide.
A 20-year study found greatly reduced green turtle catch rates in Nicaragua's legal, artisanal fishery, likely resulting from over-fishing. The catch rates declined by 56% over two decades, posing a concern for conservationists and local communities.
The Mozambique Channel is identified as a priority for protection due to its high coral richness and sensitive species. The study found that northern reef systems in the channel are better protected from climate change and human pressures.
A new analysis reveals the scope of by-catch in various regions, with high rates found in the eastern Pacific, Mediterranean, southwest Atlantic, and Southern Indian oceans. The study emphasizes the importance of community engagement and data-driven approaches to mitigate by-catch, particularly in less-regulated small-scale fisheries.
Growing industrialization threatens deep ocean ecosystems, which provide vital functions such as carbon sequestration. Experts urge a new 'stewardship mentality' to balance human needs with ecological impact, highlighting the need for international cooperation, regulation, and research funding to protect the world's last frontier.
Experts developed a step-by-step guide to minimize seismic survey impacts on whales and other marine species. The study presents the most thorough approach to minimizing and monitoring risk of harm during intense sound surveys, primarily used by oil and gas companies.
A recent study published in the Journal of Heredity has identified two distinct populations of bottlenose dolphins living in the Indian River Lagoon, separated by a north-south geographic area. The research also found genetic differences between these populations and those living in other areas, highlighting the importance of habitat a...
The Wildlife Conservation Society has improved African basket traps with escape gaps, reducing bycatch and increasing fish size. The new design caught larger fish while allowing undersized and non-target species to escape.
A study by Wildlife Conservation Society and others confirms the existence of two subspecies of Bryde's whales, one coastal and one offshore, with distinct genetic characteristics. The research informs the need to designate both subspecies as separate conservation units with specific management needs.
A decade-long study reveals that Costa Rica's longline fishery catches more olive ridley sea turtles than commercial fish species, threatening their survival. The research also shows a decline in shark populations, with smaller sharks becoming increasingly common.
Researchers found new areas with high functional diversity in temperate waters, revealing a more nuanced map of global biodiversity. The study used data from volunteer divers to analyze species traits and distribution, painting a different picture than traditional species counts.
NOAA's Marine Debris Program awarded $967,000 to 11 groups for locally driven marine debris prevention and removal projects. The projects will remove derelict fishing nets, litter, lumber, tires, and other harmful marine debris from shorelines and coastal waters.
A USGS study found that green sea turtles are using protected areas in Dry Tortugas National Park and the surrounding Florida Keys Marine National Sanctuary. The turtles primarily used shallow seagrass beds and degraded coral reefs for feeding.
Researchers created a sea turtle-inspired robot to study flipper-based locomotion on complex surfaces. The 'Flipperbot' demonstrated improved movement using a free wrist, which reduced disturbance to the ground, similar to real-life observations of hatchling loggerhead sea turtles.
Researchers found that increasing equity in conservation benefits compromises ability to maximize conservation outcomes. However, they also discovered that both equity and conservation can be achieved by raising total budgets.
A study on oceanic whitetip sharks reveals they spend most of their time in Bahamian waters but roam long distances, highlighting the need for international conservation measures. The research provides key findings for protecting this species, which is listed as Critically Endangered globally.
A new data paper provides comprehensive, georeferenced information on Antarctic macrobenthic communities, including species such as echinoderms, sponges, and crustaceans. The database will facilitate future biodiversity research and conservation efforts in the Southern Ocean.
A new study reveals that some turtle populations are among the least likely to recover from climate change impacts. Protecting key regional nesting beaches and areas suitable for future nesting is crucial to enhance marine turtles' resilience.
Researchers successfully identified individual whale sharks in 85% of cases using public photographs, comparable to professional photographer identification rates. The study suggests that citizen-sourced photos can be a valuable tool for tracking whale shark populations and monitoring conservation efforts.
Fishing communities in Indonesian Coral Triangle's Karimunjawa National Park have improved their social well-being while reducing reliance on marine biodiversity. The co-management approach has stabilized reef fish biomass and empowered participant communities, ensuring sustainable development.
The California Academy of Sciences has described 137 new species across four continents and two oceans, adding to the complex web of life on Earth. These discoveries strengthen conservation efforts by providing a deeper understanding of evolution and the persistence of life.
Scientists have conducted the first range-wide genetic analysis of bowhead whales using ancient DNA samples from archaeological sites and modern populations. The study reveals differences in population diversity between ancient and modern times, suggesting recent disappearance of unique maternal lineages due to habitat loss and whaling.
Researchers found that the northern map turtle population in Missouri has not recovered from a 50% decline caused by harvesting in the 1970s. The study highlights the importance of monitoring river turtles as indicators of water quality, which affects both humans and the environment.
A new tracking technique using chemical signatures has been validated as an effective alternative to satellite tracking for loggerhead turtles. The method helps identify key feeding areas and migration routes, aiding conservation efforts.
AZTI-Tecnalia coordinates two €1.5M research projects on bluefin tuna to study population structure, migrations, growth, and reproduction. These projects will inform ICCAT's conservation efforts in the Atlantic and Mediterranean.
The Wildlife Conservation Society and partners are calling on governments to take urgent action to save shark and ray species from over-fishing for international trade. Currently, only a handful of species are listed under CITES, but numerous others qualify for protection.
The Ocean Health Index assesses the benefits to people of healthy oceans, combining ecological, social, economic, and political conditions. It scores countries globally, ranging from 36 to 86, with densely populated nations like Germany and uninhabited islands leading the way.
A recent study by the Institute for Ocean Conservation Science found that international protection of sturgeon species has reduced fraudulent labeling of black caviar. The research revealed a nearly 50% decrease in mislabeled products, indicating the effectiveness of trade regulation.
A new study analyzing public basking shark sightings suggests an increase in the number of animals recorded in British waters since the 1980s. The researchers found a rise in medium and large-sized sharks, indicating an aging population, and identified three hotspots off South West England, Western Scotland, and the Isle of Man.