Articles tagged with Mangroves
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Climate change enables mangroves to colonize new regions, with warmer winters and storms driving dispersal. Ocean currents transport propagules from northern-edge and southern populations, allowing for potential expansion beyond current range limits.
A new study highlights the importance of protecting coastal ecosystems while building long-term environmental and cultural knowledge. The research, co-designed by Indigenous leadership and RMIT University scientists, found that a mangrove forest on the Barron River estuary stores over 2,000 tonnes of carbon annually.
A team of international marine scientists urges reform to licensing and regulation of coastal restoration projects. The authors argue outdated systems hinder progress toward ambitious global targets to restore 30% of degraded ecosystems by 2030.
A study examined Vietnamese mangrove carbon since 1900 and found restored forests to act as important carbon stores. However, the study suggests that these ecosystems might not possess 'normal' ecological functions.
A new study suggests that reforestation efforts can lower global average temperatures by 0.34 degrees Celsius, roughly one-quarter of the warming already experienced. This is due to the chemical interactions between trees and the atmosphere, which amplify their cooling effect.
A new international study shows that El Niño and La Niña climate patterns affect nearly half of the world's mangrove forests, threatening these vital coastal ecosystems. Mangroves are experiencing widespread degradation during El Niño events and increased growth during La Niña events.
Researchers developed a new method to predict the effectiveness of mangroves in protecting coastlines against extreme weather events. The HU method uses wave non-linearity and can calculate wave height attenuation with ease, saving billions of dollars worldwide.
Researchers created a new GIS-based multi-criteria decision tool to guide decisions on using nature-based shorelines or hybrid solutions in the Florida Keys. The study finds that nearly 8% of the shoreline is suitable for nature-based solutions, while 67% is already vegetated or represents another natural shoreline.
Researchers from University of Jyväskylä recommend addressing vulnerabilities in coastal communities, such as uncontrolled shrimp farming and pollution. They suggest supporting environmentally friendly livelihoods like freshwater harvesting and agroforestry to promote sustainable development in mangrove forest areas.
A new international study suggests that conserving and restoring peatlands and mangroves in Southeast Asia can mitigate more than 50% of the region's land-use carbon emissions. These ecosystems store significant amounts of carbon, making them crucial natural carbon sinks.
Mangrove ecosystems in Andaman and Nicobar islands faced significant changes after the 2004 tsunami, with 97% of mangroves lost due to land subsidence and uplift. Local ecological conditions are often overlooked in governance frameworks, leading to failed restoration efforts.
A new study reveals that Amazonian mangrove forests release essential trace elements like neodymium into the ocean, supporting marine ecosystems and the carbon cycle. Mangroves act as biochemical reactors, releasing nutrients and metals into coastal waters.
Researchers will focus on novel non-plastic materials used for oyster reef restoration, evaluating their impact on surrounding marine habitats. The project aims to find solutions that bring the natural environment back after degradation from storms or human impact.
A new study highlights the critical role of mangroves in coastal resilience, providing $855 billion in flood protection services worldwide. Mangroves offer cost-effective protection to coastal communities and support national wealth by preserving lives, livelihoods, and infrastructure.
The Africa-UBC Oceans and Fisheries Visiting Fellows Program has selected two exceptional scholars, Dr. Cynthia A. Adinortey (Ghana) and Dr. Antony Otinga Oteng’o (Kenya), to collaborate with UBC researchers on ocean sustainability projects.
Researchers confirm oil presence in Mauritius mangrove forest close to Ramsar conservation sites, three years after MV Wakashio spill. The oil has undergone weathering and biodegradation, but its ongoing presence poses an unknown risk to the sensitive ecosystem.
Researchers found that mangrove forests in the Maldives have lost over half of their cover since 2020 due to rising sea levels and climate change. The findings indicate that the Indian Ocean Dipole and accelerated sea level rise led to dieback, causing the trees to drown.
A team of researchers has identified mangrove bacteria that can transform polyethylene terephthalate (PET) particles, which are a major contributor to ocean pollution. The discovery of novel enzymes and bacterial species with the ability to break down PET could potentially be used to develop new strategies for plastic waste cleanup.
A new study by Imperial College London identifies key trade-offs between effectiveness and scalability in conservation programs. The lessons highlight the importance of balancing program expansion with effective implementation, considering scale-dependent effects on conservation outcomes.
A new study found that surf breaks surrounding the world's oceans store nearly 90 million metric tonnes of planet-warming carbon, highlighting their crucial role in combating climate change. The top five countries with the highest stored carbon are the US, Australia, Indonesia, Brazil, and Panama.
Scientists have discovered that planted mangroves can store a significant amount of carbon, reaching levels comparable to those in intact stands after just 20 years. The study used logistic models compiled from over 700 planted mangrove stands worldwide and found that the trees' carbon stock reached 71-73% of that found in intact stands.
A new study introduces an AI-driven approach to classify mangrove species with remarkable accuracy, using multisource remote sensing data and machine learning algorithms. The XGBoost ensemble learning algorithm achieved a classification accuracy of 94.02%, significantly improving results compared to single-source data.
Scientists from the University of East Anglia and other institutions review the climatic effectiveness of four 'nature-based' techniques using marine biological processes. They conclude that these activities cannot provide a significant contribution to carbon dioxide removal, posing risks to meaningful climate mitigation.
Researchers found that secure boundaries promote collective conservation practices and limit over-harvesting, but perceived high risk of theft from neighbors leads to looser harvest limits. Community members impose their own limits on harvesting via conservation committees when borders are secure.
A new study uses Sentinel-2 satellite imagery to map the distribution of Kandelia obovata mangroves across China, achieving an accuracy of 88.5%. The dual-temporal imaging strategy enables targeted conservation strategies and efficient resource allocation.
Scientists highlight tidal wetlands beyond mangroves, saltmarshes and seagrass as Blue Carbon ecosystems, offering biodiversity conservation and carbon sequestration benefits.
Mangrove forests in regions like southern India and eastern Australia are affected by human development, leading to a decline in global mangrove carbon stocks. The study predicts an annual rate of carbon emissions from mangrove loss will rise to 3,392 Teragrams by the end of the century.
Tidal landscapes like mangroves and salt marshes are a greater carbon sink than previously thought, with stored carbon in biomass and muddy soils contributing to climate change mitigation. The new findings also show that bicarbonate exports from these ecosystems double the size of the carbon trap, making them even more effective.
Researchers have identified internationally significant rock art sites in Arnhem Land that were intentionally selected for their critical vantage points. The Flinders University research team used innovative methods to model the environmental conditions 15,000-28,000 years ago, shedding new light on the locations and roles of these sites.
A new study estimates that climate change and coastal land usage will result in significant shrinkage of coral habitats, tidal marshes, and mangroves. In contrast, macroalgal beds are expected to remain stable, while seagrass meadows may expand due to increased sunlight penetration.
A new study found that removing mangroves in New Zealand's estuaries actually increases mud build-up, as these coastal trees and shrubs trap sediment efficiently. This highlights the need for sustainable land use upstream to address the root cause of the issue, rather than focusing solely on mangrove removal.
A study found that invertebrate abundance and diversity decreased near human activities like shellfish harvesting and heavy metal pollution. In contrast, environmental factors like water temperature and salinity impacted invertebrates further away from human settlements.
Researchers recommend prioritizing ecosystem services in mangrove conservation to protect infrastructure, communities, and fisheries while safeguarding billions of dollars' worth of coastal property value. This approach could safeguard 6.1 million people against flooding and sequester over one billion tonnes of carbon.
Researchers found that mature mangroves can tolerate high rates of subsidence and sea level rise, but sediment availability is crucial for their effectiveness. In areas with insufficient sediment, mangroves' ability to stabilize coastlines will deteriorate, leading to inland migration of communities.
Researchers say current models fail to project oxygen dynamics in coastal ecosystems with high photosynthetic activity, such as seagrass meadows and coral reefs. Fluctuations in oxygen levels have been observed in systems like the Venice Lagoon and Red Sea coral reefs, where marine species adapt to changing conditions.
Scientists demonstrated that Caribbean box jellyfish can acquire the ability to avoid obstacles through associative learning, a process in which organisms form mental connections between sensory stimulations and behaviors. The study suggests that combining visual and mechanical stimuli is required for associative learning in jellyfish.
A new species of electric blue tarantula was found in a Thai mangrove forest, showcasing its remarkable adaptability and iridescent effect. The discovery highlights the importance of taxonomy and raises concerns about the destruction of natural habitats due to deforestation.
A new study published in Nature warns that coastal wetlands and coral reef islands are unlikely to survive at current rates of sea-level rise exceeding 7 millimeters per year. The study suggests that global warming must be limited to less than 2 degrees Celsius for these ecosystems to have a chance.
A global research team warns that rapid sea level rise and coastal habitat retreat will happen again if warming levels rise above Paris Agreement targets. Coastal ecosystems such as mangroves, marshes, and coral reefs are essential to protect coastlines, trap carbon, and sustain millions of coastal residents.
A team of international scientists found that coral reefs, marshes, and mangroves could be destroyed within the next 30 years from rising sea levels. Coastal habitats are essential for protecting coastlines, trapping carbon, and supporting millions of coastal residents.
Researchers found that occasional long-distance dispersal events between North and South Brazil allow red mangrove trees to exchange genetic material, maintaining their unique populations. Mangroves play a vital role in coastal ecology and carbon storage, making conservation efforts crucial.
Scientists discover reduced genetic diversity and compromised skeletal properties among 'super corals' adapted to mangrove lagoons. The study challenges existing notions surrounding the resilience of these resilient corals, highlighting potential risks for future environmental stressors.
A recent journal article by University of Miami researchers outlines ways to achieve greater equity in ocean governance and science in the global tropics. The authors emphasize the need to give a voice to the 'tropical majority' and incorporate indigenous knowledge into ocean management.
A new Stanford-led study quantifies the value of Belize's coastal mangrove forests in terms of carbon storage, tourism, and fisheries benefits. The findings suggest that relatively small amounts of mangrove restoration can have big economic benefits, while also providing protection against coastal storms and other risks.
Elevated atmospheric CO2 concentrations are expected to increase mangrove's ability to sequester additional carbon, reducing the rate of greenhouse gas emissions. Long-term field observations and experiments can help better understand the mechanisms behind this phenomenon and predict future changes in mangrove carbon sequestration.
Researchers discovered a trade-off relationship between microbial CUE and specific extracellular enzyme activities under reduced oxygen, regardless of N and P levels. This relationship can advance understanding of microbially mediated C and nutrient cycling in anaerobic ecosystems.
Researchers found that larvae of the Atlantic mangrove fiddler crab survived less in warmer water and underwent physiological changes due to higher acidity. Marine heatwaves will be harmful to species and those that feed on them, with potential economic losses to fisheries. Further research is needed to understand the effects.
New research reveals mangroves can withstand heavy metal contamination without adverse health impacts. Grey mangroves were found to tolerate high lead and zinc levels in contaminated sediment, highlighting their role in stabilising polluted regions.
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.
Researchers have discovered that Mexican mangrove forests have been absorbing and storing carbon for an impressive 5,000 years. The study found that these unique ecosystems are capable of retaining large amounts of carbon due to the presence of certain microorganisms.
University of South Florida researchers found that mangroves have overtaken 83% of oyster reefs in Tampa Bay, leading to a decline in ecosystem function and habitat for threatened species. Climate-driven changes are altering subtropical ecosystems, threatening the very foundations of coastal biodiversity.
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.
Researchers found that bioturbation by fiddler crabs increases soil pH and reduces salinity, creating a more hospitable environment for beneficial bacteria. These bacteria produce essential chemicals for iron trapping, improving mangrove plant growth.
Research suggests climate-driven changes in seawater density may disrupt mangrove dispersal patterns worldwide, particularly in the Indo-West Pacific region. The study, published in Nature Climate Change, highlights the importance of considering oceanic factors in understanding mangrove response to climate change.
Scientists discovered a new species of giant filamentous bacterium, Thiomargarita magnifica, with DNA clustered within membrane-bound compartments. This unique organism challenges traditional understanding of bacterial morphology and genomic complexity.
Climate change affects mangrove forest's 'blue carbon' system through rising sea levels and ocean acidity. Mangrove forests store over 1,000 tons of carbon per hectare, crucial in mitigating climate change.
Researchers from Japan developed a new model to assess mangrove forest productivity, which is influenced by environmental factors such as sea surface temperature and salinity. The model uses satellite data to estimate productivity and performed better than traditional terrestrial models.
A new analysis demonstrates that mangrove and coral reef restoration can be a cost-effective solution for coastal flood reduction. The study found that the benefits from reduced flood damage exceed the costs of restoration, making nature-based solutions an attractive option for funding.
Researchers have created a new classification system for coexisting mangrove-coral habitats, identifying four distinct types: lagoons, creeks, fringe areas, and under the mangrove canopy. These habitats are diverse, with about 130 species of corals living in them, and are crucial for coral survival.
Research at King Abdullah University of Science and Technology finds that 98% of ocean plastic is buried in the seafloor, with coastal habitats like mangroves also significant sink sites. The discovery resolves a mystery and has significant implications for human health and UN Sustainable Goal 14.