Articles tagged with Marine Protected Areas
Researchers found that areas protected under 'whole-site' Marine Protected Area (MPA) status have four-fold increases in fish abundance and diversity compared to unprotected areas. The study also showed significant benefits for commercially important fish species and conservation.
A new study reveals that climate change will affect Antarctic seals, such as crabeater and Weddell seals, in distinct ways. Crabeater seals are more vulnerable due to their specialized diet and breeding on unstable pack-ice, while Weddell seals are less affected.
A study by University of Plymouth researchers found that seabed habitats and species recover more quickly following extreme storms than from the impacts of bottom-towed fishing. The research examined the impact of the 2013/14 winter storms on the Lyme Bay Marine Protected Area, off southern England's coast.
A study analyzing over 120 million social media posts reveals that tourists focus more on nature in marine protected areas than neighboring coastal zones. The research found that these areas provide more cultural ecosystem services than adjacent coastal areas.
A new study reveals that thousands of sharks have been caught illegally in a Marine Protected Area (MPA) in the Indian Ocean, threatening critically endangered species like oceanic whitetip and scalloped hammerhead. The MPA was found to be vulnerable to enforcement due to its large size and remote location.
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 new study by Oregon State University researcher Will White found that most Channel Islands marine protected areas have no poaching and fish populations are thriving. Harvest rates were essentially at zero for four species of kelp forest fish inside the protected areas between 2003 and 2017.
A new model forecasts that strategically placing marine protected areas can improve fish populations and increase local catch. The research suggests that protecting an additional 5% of the ocean could boost future catches by 9-12 million metric tons.
Expanding marine protected areas (MPAs) by 5% can increase global fish catch by up to 20%, according to a study. The model revealed substantial spillover effects, resulting in an additional 9-12 million metric tons of fish catch annually.
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.
Marine biologists found that redundancy in urchin predators and protection afforded to them help keep sea urchin populations in check, particularly in protected areas. The study highlights an underappreciated benefit of marine reserves and offers a new perspective on strategies to manage ecosystems for resilience.
Research reveals that marine protected areas increase total fish numbers and common species richness, with stronger gains among sensitive species. Network effects accumulate between individual reserves, suggesting synergistic benefits from regional marine protected area systems.
A study analyzing data from 2005 to 2018 found that targeted seasonal and spatial closures can lead to successful population recovery of Nassau grouper in the Cayman Islands. By the end of 2018, both populations had tripled in size, highlighting the effectiveness of adaptive conservation actions.
A new study published in Journal of Applied Ecology provides a method for verifying the effectiveness of marine protected areas (MPAs) by comparing data collected before and after their implementation. This approach helps scientists determine whether adjustments are needed to improve the impact of MPAs on fish populations.
Research reveals marine reserves increase predation rates, protecting predators that were heavily fished by humans, leading to greater impacts on prey species. The analysis highlights the importance of considering ecological processes in reserve design and management.
Small-scale fishermen in six European countries prioritize trust, transparency, and fairness over ecological effectiveness when supporting marine protected areas. Perceptions of social impacts and good governance processes are stronger predictors of local support than ecological effectiveness.
A study by University of Washington researchers found that policies in Puget Sound are shifting toward restoration projects that engage multiple social groups and offer various benefits. These projects, such as the Qwuloolt project, have been successful due to their inclusive planning processes and collaborative nature.
A new study found that nearly half of fishers from seven countries witnessed someone poaching in marine protected areas in the past year, with most doing nothing about it. Inaction was especially common on Australia's Great Barrier Reef, where nearly 80% of fishers did nothing.
International research found many marine protected areas inefficiently located and costly, failing to meet global targets. The study suggests a more strategic approach could reduce costs and improve conservation outcomes.
A new study predicts that climate change will transform marine ecosystems in Marine Protected Areas, leading to extinctions and loss of biodiversity. By 2100, warming temperatures could make these areas uninhabitable for most species, with the Arctic and Antarctic regions expected to warm especially quickly.
Researchers used hydroacoustics to compare fish abundance within and outside Mexico's Cabo Pulmo National Park, finding a four-fold increase in protected areas. The study demonstrates a cost-effective method for assessing fish populations and highlights the importance of marine protected areas for maintaining sustainable fisheries.
A new study finds that protected waters have fostered a resurgence of West Coast rockfish, with larvae increasing in number within conservation areas. The research suggests that these areas can seed surrounding waters with offspring, supporting the long-term recovery of the species.
A global study found that only 9% of MPAs have adequate staff and funding, hindering their ability to recover fish populations. Despite this, MPAs with sufficient personnel and budget show nearly three times greater increases in fish populations.
A proposed Marine Protected Area (MPA) in the Sea of the Hebrides, Scotland, would provide essential conditions for basking sharks to forage and possibly breed. Satellite tracking data from 36 sharks showed 86% residency within the proposed area.
Research in Fiji Islands reveals that small community-based marine protected areas can be susceptible to attacks by crown-of-thorns sea stars, which can devastate coral reefs. Despite the importance of these protected areas, the findings highlight a new threat that may emerge from degraded areas surrounding healthy ecosystems.
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.
A new study calls for a shift in conservation approaches that consider humans' livelihoods, cultural traditions, and dependence on natural resources. This can lead to successful conservation projects when both natural and social scientists work together with local communities.
A Duke University-led study found that friendly rivalry among fishers can lead to better conservation of marine resources when cooperation and competition are in balance. This balanced approach helps maintain group cooperation and reinforces collective action, ultimately benefiting the communities that depend on these areas.
A global assessment reveals that marine protected areas (MPAs) insufficently protect the evolutionary history of tropical corals and fishes, with less than a quarter of wrasse species receiving minimum protection levels. The study suggests that protecting the genetic history of living organisms is crucial in a changing world.
A new study finds that more than 17,000 marine species worldwide remain largely unprotected. Nations like the US, Canada, and Brazil have large gaps in their protected areas, highlighting opportunities to achieve global biodiversity goals by 2020.
A new study finds that 97.4 percent of marine species have less than 10 percent of their range represented in MPAs, with the US ranking near the bottom in terms of supporting formal protected areas. The research provides strategic guidance on where MPAs could be placed to better protect marine biodiversity.
A University of British Columbia study found that major swaths of the ocean must be protected to reach global biodiversity targets. Currently, only 16% of protected areas are designated as 'no-take' zones, which are crucial for conserving marine life.
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 Government of Chile has announced a plan to design a network of Marine Protected Areas for Patagonia's unique wildlife and ecosystems. With funding from the Waitt Foundation, the new MPA network will protect over 100,000 square kilometers of oceanic waters, meeting Chile's goal of 10% ecosystem protection by 2020.
Seaweeds appear to protect coral from invasive sea stars by reducing predation and providing a physical barrier. This complex relationship highlights the intricate dynamics of ecosystems and has implications for coral reef conservation.
A global study reveals that current marine protected areas are insufficient to safeguard key ecological functions performed by fish species, which provide vital services for coastal habitats. The research identifies vulnerable fish populations outside existing protected areas, emphasizing the importance of expanding these networks.
NOAA has expanded its National System of Marine Protected Areas by adding 82 existing sites, bringing the total number to 437. The additions include state marine protected areas from California and Texas, which will continue to be managed by their respective state governments.
A study by Washington State University researchers found that fishers in Hawaii's nearshore fisheries travel longer distances to catch fish due to the placement of marine protected areas. Despite this, their social and economic status remain unchanged.
A study by ecologists in New Zealand found that a 1170 km2 marine sanctuary significantly improved survival of Hector's dolphins, one of the rarest dolphin species. The research revealed a 5.4% increase in survival rates since the Marine Protected Area was designated in 1988.
Changes in ocean conditions and species shifts over the past 50 years suggest that static MPAs may not work as intended. New technological advances and collaboration will be necessary to design effective MPAs in a changing climate. Researchers are calling for greater foresight and flexibility in MPA management.
A recent study published in Oecologia sheds light on the dispersal of marine fish larvae, crucial information for designing marine protected areas. Researchers found that larval fish traveled an average distance of 77 km from their home reef, with some traveling over 200 km.
Mediterranean red coral populations thrive in three decades-old Marine Protected Areas, but future conservation efforts may be needed to ensure species resilience. The areas have proven effective in conserving this slow-growing species.
Stanford biologist Steve Palumbi has discovered a species of coral that can survive in high water temperatures, offering hope for marine species struggling with climate change. The most effective marine protected areas balance preservation of species with human needs, presenting a challenge to designers.
A UBC study proposes reducing fishing catch by just five percent to safeguard large areas of British Columbia's coastline. This approach, if implemented, could result in significant conservation gains and help achieve established conservation goals.
The Woods Institute has awarded grants to four Stanford faculty teams tackling environmental challenges globally. The recipients will focus on desert grasslands in Australia and mountain meadows in California, among other areas.
Scientists at UC-Santa Barbara found that fish larvae that endure long and rough ocean journeys arrive on reefs in good condition and go on to thrive. In contrast, locally produced young have a harder time surviving and only do well if they are in excellent condition.
A new study examines the ecological impacts of commercial cockle dredging on intertidal ecosystems and finds that exploitation leads to a decline in a seabird species by 80%. The research reveals that even the birds' adaptable digestive system cannot save them from starvation due to degraded food conditions.
A study by the Wildlife Conservation Society found that small, traditionally managed marine protected areas were more effective at protecting fish and wildlife than larger national parks or co-managed reserves. These community-led systems were often managed to meet local needs rather than strict conservation goals.
A global survey of coral reefs, built using NASA satellite images, found that only a handful of marine protected areas provide effective protection for fish species and marine life. The study highlights the need for larger reserves to protect these ecosystems.
The study found that 40% of marine protected areas are smaller than 1-2km2, an insufficient size to protect large fish and other animals. To effectively conserve coral reefs, each Marine Protected Area should be at least 10-20 km in diameter.
A global assessment of coral reef protection reveals that marine protected areas (MPAs) are often poorly managed and fail to effectively safeguard these critical ecosystems. The study found that many MPAs lack enforcement mechanisms, leading to threats such as resource extraction, poaching, pollution, coastal development, and overfishing.
The world's coral reefs are left vulnerable by insufficiently managed marine protected areas (MPAs), according to a new global analysis. The study found that many MPAs are too small and far apart, leaving them susceptible to poaching and external human threats such as pollution and overfishing.
The Republic of Kiribati establishes the Phoenix Islands Protected Area, a 184,700 sq km marine reserve with abundant marine and bird life. The move aims to protect coral reefs, fish populations, and other species from overfishing and climate change.
Indonesia aims to create 5 million hectares of new marine protected areas, with the help of $1 million investment from Conservation International's Global Conservation Fund. The move is part of efforts to reverse ocean decline and promote sustainable development.
Researchers in the Bahamas are creating one of the world's first marine reserve networks to preserve fish abundance and variety while maintaining fishing harvests. The study aims to design a sustainable fishing system through a multidisciplinary approach, incorporating economic, ecotourism, and political factors.
Groundbreaking studies show that marine protected areas can help maintain migratory species populations and increase fish catches, while also providing economic benefits for society. However, the optimal MPA size varies depending on specific situations, with estimates suggesting sizes of 25-70% of the total area.