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61,005 resultsShowing papers similar to Micro-contaminant, but immense impact: Source and influence of diethyl phthalate plasticizer on bottom-dwelling fishes
ClearMicroplastics accumulation in sediments and Periophthalmus waltoni fish, mangrove forests in southern Iran
Researchers quantified microplastic contamination in sediments and mudskipper fish from mangrove forests in southern Iran. They found over 2,600 plastic particles across samples, with higher concentrations at high-tide collection points, and fibers being the most common particle shape. The study demonstrates that mangrove ecosystems serve as sinks for microplastic pollution, with evidence of particle accumulation in fish tissues raising concerns about food web contamination.
Charting the microplastic menace: A bibliometric analysis of pollution in Malaysian mangroves and polypropylene bioaccumulation assessment in Anadara granosa
Researchers surveyed microplastic contamination in Malaysian mangrove ecosystems and tested how a common shellfish species accumulates polypropylene particles. They found microplastics in all sediment and water samples, with the shellfish readily taking up fiber-shaped particles. The estimated dietary intake suggests that consumers of these shellfish could ingest hundreds of microplastic particles per year, highlighting food safety concerns.
Revealing Microplastic Contamination in Mangrove Sediments from Setiu Wetlands, Malaysia
Researchers found 2,292 microplastic particles per kilogram of sediment in the mangrove wetlands of Setiu, Malaysia, with over 80% being tiny fibers likely from fishing gear and packaging. Areas near aquaculture operations had the highest contamination levels, and the microplastic surfaces showed signs of environmental degradation that could make them more toxic. Mangrove ecosystems act as natural traps for microplastics, concentrating pollution in habitats that are vital for fisheries and coastal protection.
The pervasiveness of microplastic contamination in the gastrointestinal tract of fish from the western coast of Bangladesh
Researchers found microplastics in every individual fish examined from the western coast of Bangladesh, with an average of 7.1 particles per specimen, and demersal species accumulating more microplastics than pelagic species near the world's largest mangrove ecosystem.
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.
Assessment of secondary microplastics trapped in mangrove ecosystem of a highly populated tropical megacity, India
Researchers quantified microplastic contamination in Mumbai's mangrove ecosystem across six zones and 30 sampling sites. They found an average of 6,730 microplastic particles per kilogram of dry sediment, dominated by fibers and polyethylene, with concentrations decreasing at greater sediment depths, highlighting the need for management policies to protect coastal environments.
Evidence of elevated microplastic accumulation in Pacific Island mangrove sediments
Researchers found that mangrove sediments in Fiji contained nearly ten times more microplastics than surrounding non-mangrove areas, with consistent results across both urban and rural sites. Fibers were the most common type of microplastic found, and the contamination levels were comparable to heavily polluted regions elsewhere in the world. The study highlights that mangroves, while vital coastal ecosystems, may be acting as significant traps for microplastic pollution in Pacific Island nations.
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.
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.
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.
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.
Preliminary Study on the Role of Mangroves in Entrapping Microplastics in Tuticorin Coast of Gulf of Mannar, Southeast Coast of India
Researchers compared microplastic concentrations in mangrove sediments versus open-beach control sites along the coast of southern India and found consistently higher levels within mangrove areas. Polyethylene and polypropylene fibers in the 1–3 mm range were most common, and weathering analysis confirmed significant environmental degradation of the particles. The findings suggest that mangrove root systems act as natural traps for microplastics, which has implications for both ecosystem health and the many coastal communities that rely on mangroves for fisheries and shore protection.
Abundance, distribution and bioaccumulation of microplastics and its potential impacts in mangrove environment / Priya Mohan
Researchers investigated the mobility of plastic bottles in open oceans using GPS tracking, characterized microplastic prevalence and distribution in mangrove sediment, water, and the blood cockle Anadara granosa, and assessed microplastic uptake in both Daphnia magna and A. granosa while also evaluating plastic waste valorization via hydrothermal liquefaction. The study provides a multi-pathway assessment of microplastic contamination and fate in a mangrove coastal ecosystem in Malaysia.
Prevalence of microplastic contamination in the digestive tract of fishes from mangrove ecosystem in Cispata, Colombian Caribbean
Scientists examined the digestive tracts of fish from mangrove ecosystems in Cispata, Colombian Caribbean, finding microplastics in multiple species and suggesting that mangrove habitats concentrate microplastic pollution in ways that expose fish inhabiting these nursery areas.
Abundance and distribution of microplastics in tropical estuarine mangrove areas around Penang, Malaysia
This study documented microplastic pollution in tropical mangrove estuaries around Penang, Malaysia, finding thousands of plastic particles in both water and sediment samples. Concentrations were particularly high near the more urbanized Seberang Perai area, where sediment contained up to 4,000 particles per kilogram. The research highlights that tropical mangroves, which serve as important nursery habitats for marine life, are accumulating significant amounts of microplastic pollution.
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.
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.
Mangrove Filters or Microplastic Traps? Insights from Microplastic Ingestion in Polymesoda erosa in Butuan Bay, Philippines
Researchers examined microplastic ingestion in the mangrove bivalve Polymesoda erosa at three sites in Butuan Bay, Philippines, finding widespread contamination dominated by fibers, and assessed whether mangroves function as natural filtration systems or inadvertently concentrate microplastics.
Vertical distribution of microplastics in mangrove sediment in a tropical estuarine region.
Researchers characterized vertical microplastic distribution in sediment cores from mangrove fringe sites in the Piraque-Acu and Piraque-Mirim estuary in eastern Brazil, finding concentrations ranging from 80 to 960 items per kg dry weight using a saline flotation and vacuum filtration protocol.
Vertical distribution of microplastics in mangrove sediment in a tropical estuarine region.
Researchers characterized vertical microplastic distribution in sediment cores from mangrove fringe sites in the Piraque-Acu and Piraque-Mirim estuary in eastern Brazil, finding concentrations ranging from 80 to 960 items per kg dry weight using a saline flotation and vacuum filtration protocol.
Microplastic contamination in Kerala's coastal ecosystems: a review of sources, distribution, and ecological implications
Researchers reviewed microplastic contamination in Kerala's coastal waters and sediments, finding concentrations as high as 200 particles per liter in some areas, with pollution disrupting mangrove and coral reef ecosystems, entering the food chain through seafood, and posing inflammation and endocrine disruption risks to humans.
Spatial and vertical distribution of microplastics in mangrove sediment in the southern Philippines
This study mapped microplastic contamination in the sediments of three mangrove forests in Mindanao, Philippines, finding particles at all sites with counts ranging from 83 to 2,250 items per kilogram depending on location. Fragment shapes dominated near one river mouth while fibers dominated at a coastal site, and polypropylene was the most common polymer overall. Microplastic levels and types appeared linked to local economic activity, fishing, and waste management practices. The findings provide baseline data for protecting these ecologically important coastal ecosystems.
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.