Articles tagged with Mangroves
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Researchers analyzed two peat cores to discover that higher concentrations of charcoal occurred between 9,000 to 4,000 years ago due to larger forest fires. Mangrove pollen found in the earlier period indicates rising sea levels and increased salt, contributing to dry conditions suitable for massive forest fires.
Researchers at KAUST used drones to track dye plumes in coastal waters, providing insights into the dispersion of materials in the water column and along the coast. The study demonstrated the potential of unmanned aerial vehicles for monitoring time-sensitive events and capturing rapidly developing processes.
The study found consistent trade-offs between resistance and resilience across four ecosystems: freshwater, saltwater, wetland, and terrestrial. Managing for increased resistance may result in decreased resilience, highlighting the importance of choosing the right management strategy.
A study by VUB researcher Ari Ximenes uncovered factors that prevent mangroves from spreading in South America. Longshore drift and chilling temperatures are major factors hindering the southward expansion of mangrove species.
A global meta-analysis supports the U.N.'s goal of restoring habitats, finding mangrove restoration performs better than unvegetated mud, sand flats or abandoned aquaculture ponds. Restored mangroves yield significant ecological benefits and economic value, making them an ecologically and economically sound choice.
Mangroves have evolved a remarkable resistance to stress in harsh ocean environments. Researchers decoded the genome of Bruguiera gymnorhiza and found that it regulates genes to cope with stress, using adaptive epigenetic changes to survive.
Researchers discovered an ancient mangrove ecosystem in the Yucatan Peninsula, revealing how coastal mangroves adapted to a warmer world with higher sea levels. The study provides insights into past climate change impacts and its relevance to future scenarios of relative sea-level rise.
The project aims to digitize three million plant specimens from US herbaria and combine with data from Asia and Europe, accelerating research on endangered species and plant biodiversity. The Harvard University Herbarium will lead the effort, connecting institutions in the US, Europe, and Asia.
A study by Hokkaido University researchers found that seagrass ecosystems are more vulnerable to loss and degradation than mangrove ecosystems. Communities with greater reliance on fisheries and tourism income have higher socio-economic sensitivity due to low adaptive capacity, leading to limited alternatives to fishing. Improving acce...
Marine ecologists found that mangroves have the lowest functional redundancy among resident fauna, indicating a high risk of ecological collapse. The study suggests that even modest local losses of invertebrate diversity could have significant negative consequences for mangrove functionality and resilience.
A recent study found that mangrove invertebrates exhibit extremely low functional redundancy, with most species fulfilling only one functional entity, posing a significant threat to mangrove functionality and resilience.
Researchers have extended Singapore's sea-level record to nearly 10,000 years ago, providing a more robust dataset to aid future predictions. The findings also reveal the first conclusive evidence that mangroves only existed in the Marina South area for around 300 years before succumbing to flooding associated with rising sea levels.
A study by Florida Atlantic University quantifies the optimal mangrove root hydrodynamic with a predictive model, providing insight into sediment transport and erosion processes. The research suggests that optimizing porosity can mitigate coastal erosion and promote biodiversity.
Mangroves with interconnected root networks exhibit larger size and increased connectivity under drought stress. The number of networks increases with soil salinity levels, suggesting a survival strategy for the group.
A recent study published in Environmental Science and Technology found that mangroves and seagrasses capture higher concentrations of microplastics than control sites. The study's lead researcher notes that the accumulation of microplastics in these ecosystems may have negative impacts on animal and plant life.
African mangrove populations exhibit high genetic diversity, with distinct populations separated by ocean currents and facilitated by connectivity. The study highlights the importance of conservation efforts to protect these ecosystems and their unique biodiversity.
As US winters warm, tropical plants and animals are expanding their ranges northward, altering ecosystems and posing risks to human health. The study found that insects, fish, reptiles, and mammals are among the species adapting to warmer temperatures, while others may be less welcome, such as invasive Burmese pythons.
Researchers found that species diversity in mangrove forests enhances biomass production and soil carbon storage, leading to higher carbon storage capacities. Increasing mangrove diversity through restoration and conservation projects is crucial for mitigating climate change.
A University of Bonn study finds that climate change caused the sudden disappearance of mangroves on Oman's coastlines 6,000 years ago. The researchers suggest that a shift in the Intertropical Convergence Zone led to extreme stress on mangrove ecosystems due to increased salinization and drought.
Red Sea mangroves have been found to be capable of removing more carbon from the atmosphere through the dissolution of calcium carbonate. The study highlights the importance of considering calcium carbonate dissolution in mangrove ecosystems as a significant carbon storage mechanism.
Researchers found 27 plastic items per square meter in mangroves, with plastics buried up to 35cm deep. Mangroves' resilience is threatened as trees suffocate when half of the forest floor is covered in plastic.
Mangrove forests are under pressure from three distinct threats: sea-level rise, lack of mud supply, and squeezed habitats. The study found that river dams decrease mud supply, while buildings and seawalls occupy space required for mangroves' survival.
New research led by the Singapore-ETH Centre reveals that mangrove conservation and restoration efforts have slowed down deforestation and preserved carbon stocks globally. The study found a 1.8% net loss of mangrove carbon stocks between 1996 and 2016, significantly lower than previous estimates.
Researchers created a map of global mangrove habitat changes between 2000 and 2016, revealing that human causes like farming and aquaculture led to more rapid losses than natural causes. The study's findings highlight the importance of addressing both human and natural threats in conservation efforts.
Researchers found that mangroves will likely stop growing vertically and instead encroach inland if sea levels rise above 6mm per year. Mangroves play a crucial role in carbon sequestration and protecting people from flooding, making it essential to adopt coastal management measures to protect these ecosystems.
A new study highlights the critical role of mangroves and coral reefs in protecting coastal communities from climate-related disasters. With over 8.5 million people benefiting directly from these natural defenses, conservation and restoration efforts are essential to address growing vulnerability across highly exposed regions.
According to the study, mangroves will not survive rising sea levels if global carbon emissions are not reduced. Mangroves can survive with rates of sea-level rise under 5mm per year but will stop growing at this pace if rates exceed 6mm/year.
Ancient sediment analysis reveals mangrove ecosystems can survive up to a 7mm per year sea-level rise threshold. Mangroves provide essential ecosystem services but are threatened by rapid sea-level rise, with current rates expected to surpass the survival limit within 30 years.
A new study suggests that mangrove trees will likely disappear by 2050 if greenhouse gas emissions continue to rise, threatening the planet's ability to combat climate change. Mangroves store significant amounts of carbon and protect coastlines, providing habitat for fish and other species.
A global study found that mangroves provide $65 billion in annual flood protection benefits, reducing flood damages and increasing coastal safety. Mangrove restoration can be easily done and has already been successful in projects worldwide.
A study by NUS found that between 1996 and 2016, over 60% of Myanmar's mangroves were converted to agricultural use, posing a threat to the country's coastal ecosystem. The research highlights the urgent need for conservation measures to protect this critical habitat.
A recent study suggests that mangrove forests are making progress in conservation efforts, with a significant reduction in global loss rates. The team attributes this success to improved monitoring, data access, and management practices. However, the study also highlights challenges in scaling up successful rehabilitation projects and ...
Researchers at University of Göttingen found mangroves absorb carbon efficiently, prioritizing conservation and restoration. The study analyzed a five-meter-deep core of sediment in Segara Anakan Lagoon, revealing the interaction between climate fluctuations and human activity affected carbon accumulation.
A University of Queensland-led study found that healthy mangroves can support coral reef fisheries by providing alternative nurseries for fish. This allows them to grow larger and head out to the reef as adults, increasing their chances of survival.
Historical regime shifts in coastal wetlands of northeastern Florida indicate mangrove expansion is linked to reduced extreme cold events. Climate model projections suggest increasing temperatures and suitability for mangroves through the end of the 21st century.
A Stanford-led study predicts a tripling of storm-related damages in the Bahamas if protective ecosystems like coral reefs and mangrove forests are degraded or lost. The research is being used by the Bahamian government to pinpoint key areas for investment in natural ecosystems.
Scientists have found 34 species of coral thriving in mangrove lagoons on the Great Barrier Reef, providing novel information on mechanisms supporting coral resilience to climate change and pollution. The corals have adapted to extreme low pH, low oxygen, and variable temperatures, but at a cost: reduced calcification rates.
A study analyzed data on 2,000 coastal communities in 23 countries with substantial mangrove areas, finding that even modest coverage can protect economic activity from cyclones. The analysis estimated a permanent loss of 5.4-6.7 months' worth of economic activity for communities with minimal mangrove coverage.
A comprehensive analysis of over 11,000 coastal-habitat measurements confirms the nursery function of mangroves and seagrasses, providing key guidance for marine resource managers. The study also finds that other structured habitats, such as coral reefs and oyster reefs, support greater juvenile abundance, growth, and survival.
Researchers found that mangrove fiddler crab burrows change the surrounding sediment, attracting bacteria with similar functions across three locations. This effect, known as bioturbation, influences environmental processes such as carbon and nutrient fluxes in mangrove ecosystems.
Scientists at ZSL urge governments to prioritize the conservation of small mangrove patches despite their size, highlighting the critical ecosystem services they provide. The loss of these habitats threatens critically endangered species and coastal communities, and could exacerbate climate change impacts.
A study by Dauphin Island Sea Lab team reveals black mangroves shift salt marsh trophic pathways, with grazers preferring their leaves due to higher nutritional value. Bacteria also show a preference for decomposing black mangrove leaves, altering ecosystem dynamics.
A high-resolution ocean current model reveals significant connectivity between mangrove regions, including trans-Pacific dispersal via archipelagos. The study also highlights the importance of viable propagule time in determining effective dispersal distance.
Researchers from University of the Basque Country studied bivalve species in Nicaraguan mangroves to monitor pollution levels. The study found suitable large cockle species for monitoring, such as Larkinia grandis, which can reflect ecosystem evolution and biogeographical distribution.
A NUS study found that mangroves can capture more carbon than tropical rainforests, making them a key solution to reduce fossil fuel emissions. Coastal ecosystems like mangroves can store organic carbon in water-saturated soil, effectively mitigating climate change.
The ancient Maya produced salt in large quantities, salting fish and meat to meet dietary needs, and traded it as a commodity. This discovery substantiates the model of regional production and distribution of salt for the Classic Maya.
A long-term study published in Biology Letters reveals that Amazon mangrove forests store twice as much carbon per acre than the region's famous rainforest. The researchers found that mangroves sequester significant quantities of carbon, which is stored for centuries, and their conservation is crucial for climate change mitigation.
Researchers are evaluating 13 villages across Tanzania's Pangani and Rufiji districts to identify how small communities get caught in poverty traps. They're also analyzing the local mangrove ecosystems, including their role as a habitat for commercially valuable fish and other species. The study aims to create a predictive socio-ecolog...
Coastal wetlands in the southeastern United States are expanding and building soil to keep pace with sea level rise. Mangroves are showing increased surface elevation when warmed, indicating their potential as a natural barrier against severe weather events like hurricanes.
Researchers developed a new model for bioinspired coastline structures based on the complex hydrodynamics of mangrove roots. The study found that flexible roots can increase drag force, but also reduce wake deficit behind the patch, allowing for more efficient erosion control and coastal protection.
Mangroves are found in tropical coastal settings worldwide and can store greater amounts of carbon than any other terrestrial ecosystem. A new study provides more accurate estimates of blue carbon storage, revealing that it has been underestimated by up to 50% in some areas and overestimated by up to 86% in others.
Research suggests mangroves can reduce elevation loss and promote wetland stability through root production. However, mangrove conversion to mudflats can have long-lasting negative impacts on ecosystem resilience against extreme events.
An international study estimates that rising sea levels will endanger UK salt marshes by 2100, with southern and eastern England facing a high risk of loss by 2040. The study uses geological records to predict the vulnerability of these ecosystems, highlighting the urgent need for reducing greenhouse gas emissions.
A new study published in Nature Climate Change found that mangroves store significantly more carbon than previously estimated, with blue carbon levels underestimated by up to 50 percent and overestimated by up to 86 percent. The research provides a higher quality dataset for tropical countries to mitigate carbon enrichment.
A study by University of Exeter researchers found that older mangrove rivulus fish can jump significantly further than younger ones. The study revealed that age itself was the most closely linked factor to jumping distance, contradicting previous findings.
A team of researchers from KAUST found that the Red Sea has a relatively low amount of plastic debris in its surface waters. The majority of collected rubbish was rigid fragments of broken objects, with only small amounts of plastic film and fishing lines.
Researchers have developed a new technique, diffuse reflectance spectroscopy (DRS), to accurately measure soil carbon levels in coastal wetlands like mangrove forests. This method has higher accuracy and is non-toxic, fast, and inexpensive, making it suitable for large-scale monitoring.
University of Houston researchers are part of a $5.3 million NSF-funded effort to better understand disasters like Hurricane Harvey. Steven Pennings will examine mangrove protection, while Hanadi Rifai will characterize chemical and microbiological contamination in Houston waterways.
Researchers found mangrove rivulus fish recognize single embryos as related to themselves despite hunger, suggesting a chemical cue role. The study's results demonstrate an early-stage embryonic kin recognition ability in this species.
Marine ecologists at HKU have discovered a new species of mangrove-climbing crab, Haberma tingkok, found only in the Ting Kok area of Hong Kong. The crab is small, dark brown, and has elongated legs, representing the second endemic mangrove crab species described in Hong Kong.