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61,005 resultsShowing papers similar to Microplastic burial potential and ecological risks in mangrove forests of the Amazon River delta
ClearExponential increase of plastic burial in mangrove sediments as a major plastic sink
This study demonstrated that mangrove sediments are accumulating plastic at an exponential rate, sequestering plastics efficiently due to high sediment accretion rates in these coastal forests. The finding positions mangroves as a major long-term plastic sink that may help explain why less plastic is found in ocean surface waters than is estimated to enter the sea.
Distribution and retention of microplastics in plantation mangrove forest sediments
Researchers investigated the spatial distribution and retention of microplastics in sediments of plantation mangrove forests, finding that mangrove plantations act as effective sinks for microplastics transported by ocean tides, with particle size and shape influencing where plastics accumulate within the forest structure.
Microplastics leaving a trace in mangrove sediments ever since they were first manufactured: A study from Indonesia mangroves
Researchers analyzed sediment cores from Indonesian mangroves and found microplastics present throughout the historical record dating back to when plastics were first manufactured. Mangrove sediments near areas with high human activity contained significantly more microplastic contamination than those in more remote locations. The study suggests that mangrove environments have been trapping and preserving a record of plastic pollution for decades, making them useful for tracking contamination over time.
Widespread microplastic pollution in mangrove soils of Todos os Santos Bay, northern Brazil
Researchers found widespread microplastic pollution in mangrove soils around Todos os Santos Bay in Brazil, detecting contamination at multiple depths and distances from the tidal area, highlighting mangroves as previously overlooked sinks for microplastic accumulation.
Ecological interception effect of mangroves on microplastics
Researchers found that mangroves act as an ecological barrier intercepting microplastics, with MP abundance decreasing from river inputs toward the ocean, demonstrating the role of mangrove ecosystems in filtering plastic pollution before it reaches open waters.
Depth Profiles of Microplastic in Sediment Cores in the Mangrove Area of Kuala Gula Mangrove, Malaysia
Researchers profiled microplastic abundance with depth in sediment cores from the Kuala Gula Mangrove in Malaysia, finding 25-130 items per kg dry weight and highest concentrations near rivermouth sites, demonstrating that mangrove sediments are significant microplastic sinks.
Depth Profiles of Microplastics in Sediment Cores from Two Mangrove Forests in Northern Vietnam
Microplastic contamination in sediment cores from two mangrove forests in northern Vietnam was analyzed by depth, finding concentrations ranging from 0 to 49 items per kg and providing a historical record of plastic pollution accumulation in these ecologically important coastal wetlands.
Comprehensive risk assessment of microplastics in tidal channel sediments in amazonian mangroves (northern Brazil)
Researchers assessed microplastic pollution in mangrove sediments along an estuary in the Brazilian Amazon, finding contamination at all nine sampling sites with an average of 433 particles per kilogram. While the contamination was classified as low-level, the presence of microplastics in this remote Amazonian ecosystem shows the global reach of plastic pollution. Mangroves are critical nursery habitats for fish and shellfish, so contamination here could affect seafood safety for local communities.
Microplastic sequestration in saltmarsh sediments from Eastern Brazil
Researchers examined microplastic sequestration in saltmarsh sediments from Todos os Santos Bay in eastern Brazil, a bay subject to substantial industrial and urban inputs. Saltmarsh sediments accumulated high concentrations of microplastics, functioning as long-term sinks for plastic pollution in this coastal ecosystem.
Risk assessment and influence of microplastics on mangrove forest soil: Sandwip Island, Chittagong, Bangladesh
Researchers assessed microplastic contamination in mangrove forest soils on Sandwip Island, Bangladesh, characterizing the abundance, types, and potential ecological risks of the particles. They found notable levels of microplastic pollution in the mangrove sediments, with fibers and fragments being the most common forms. The study highlights an understudied threat to mangrove ecosystems and calls for greater attention to microplastic impacts on these critical coastal habitats.
Spatial distribution of microplastics in the superficial sediment of a mangrove in Southeast Brazil: A comparison between fringe and basin
Microplastic distribution was compared between fringe and basin mangrove zones in southeastern Brazil, finding that basin forests trapped significantly more microplastics than fringe areas due to lower hydrodynamic energy and greater sediment retention.
Distribution characteristics of microplastics in the soil of mangrove restoration wetland and the effects of microplastics on soil characteristics
Researchers measured microplastic distribution in soils of a mangrove restoration wetland with different planting densities, finding an average abundance of 217 MPs per kilogram of dry soil with higher concentrations in denser planting zones. MPs in the soil also altered wetland soil physicochemical properties including bulk density and organic matter content.
Microplastics in Singapore’s coastal mangrove ecosystems
Researchers sampled coastal mangrove ecosystems in Singapore and found microplastics throughout, demonstrating that mangrove habitats accumulate plastic pollution and raising concerns for the organisms that depend on these ecologically important coastal forests.
Characteristics and distribution of microplastics in the coastal mangrove sediments of China
A survey of mangrove sediments along China's coast found microplastics were ubiquitous, with concentrations and polymer types varying by proximity to human activity and hydrological conditions. The study shows that mangrove forests, which provide critical coastal ecosystem services, are accumulating significant quantities of plastic pollution.
Mangrove forests as traps for marine litter
Researchers surveyed 20 mangrove forests along the Red Sea and Arabian Gulf and confirmed that mangroves act as traps for marine plastic litter, with denser forests and proximity to shipping routes linked to higher debris accumulation. The study shows that ocean-based activities, not just land-based sources, are a major driver of plastic buildup in coastal mangrove ecosystems.
ACCUMULATION OF MICROPLASTICS (<300 µM) IN MANGROVE SEDIMENTS OF BANDA ACEH CITY, INDONESIA
Researchers measured microplastic accumulation in mangrove sediments in Banda Aceh, Indonesia, finding up to 3,840 particles per kilogram of sediment — with plastic pellets and fibers smaller than 300 micrometers being the most common types — suggesting these coastal ecosystems are acting as significant traps for plastic pollution from nearby land and waterways.
Microplastic Contamination in Water, Sediment, and Biota in Mangrove Forests
This review synthesized research on microplastic contamination in mangrove forest water, sediment, and biota, finding that mangroves act as both sinks and potential sources of microplastics due to their complex hydrodynamics, with ecotoxicological data on mangrove-specific organisms remaining limited.
Plastic pollution in mangrove ecosystems: A global meta-analysis
This meta-analysis pooled global data on plastic pollution in mangrove ecosystems and found that these critical coastal habitats act as natural plastic traps. Mangroves accumulate significant amounts of both large plastic debris and microplastics due to their complex root structures. Since mangroves serve as nurseries for fish and seafood species that people eat, plastic contamination in these ecosystems could affect the food chain.
The Occurrence of Microplastics in Sediment Cores from Two Mangrove Areas in Southern Thailand
Microplastics were found in sediment cores from two mangrove areas in southern Thailand, with concentrations and polymer types reflecting inputs from both terrestrial and marine sources. The study documents mangrove sediments as accumulation zones for microplastics and highlights the potential threat to these ecologically sensitive coastal ecosystems.
Microplastics retention in different types of Mangrove forest in Xuan Thuy National Park, Vietnam
Researchers measured microplastic retention in three types of mangrove forest in Xuan Thuy National Park, Vietnam, and found that mangroves trap significant quantities of microplastics from coastal waters. Mangrove restoration projects could therefore help reduce microplastic loads in adjacent coastal waters as an ecosystem service. However, mangroves themselves accumulate microplastics, which may affect their ecological functions over time.
Fate and Effects of Macro- and Microplastics in Coastal Wetlands
Researchers compiled data from 112 studies to evaluate how macro- and microplastics accumulate in and affect coastal wetlands including mangroves, salt marshes, and seagrass beds. They found that plastic concentrations in wetland sediments and marine animals were roughly 200 times higher than in the water column, indicating these ecosystems act as major plastic sinks. The study warns that plastic accumulation can alter sediment properties, harm wildlife, and disrupt the carbon storage function of these critical habitats.
Assessing microplastic contamination levels in ghana's mangrove wetlands
Researchers assessed microplastic contamination levels in mangrove wetlands in Ghana, examining how mangrove tree morphology facilitates plastic accumulation and what concentrations and polymer types are present in these coastal ecosystems. The study addressed threats to mangrove ecological services including water quality improvement, carbon sequestration, and coastline protection posed by plastic pollution.
Assessing microplastic contamination levels in ghana's mangrove wetlands
Researchers investigated microplastic contamination levels in Ghana's mangrove wetlands, examining how the morphology of mangrove root systems traps and accumulates plastic particles of all sizes and assessing the threat posed to these ecologically critical coastal ecosystems.
Contamination of microplastics in mangrove sediment cores from Lach Huyen area, Hai Phong city, Vietnam
Microplastic concentrations in sediment cores from mangrove forests near a major Vietnamese port averaged over 1,300 particles per kilogram — substantially higher than comparable regions globally — with fibres comprising 80% of particles and concentrations decreasing with sediment depth, suggesting recent intensification of pollution. Mangrove sediments act as long-term plastic sinks, and the high fibre burden raises concern for the benthic organisms and communities that depend on these critical coastal ecosystems.