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61,005 resultsShowing papers similar to Microplastic contamination in the Chanthaburi estuarine ecosystem, Eastern part of Thailand
ClearMicroplastics in the surface seawater of Bandon Bay, Gulf of Thailand
Researchers surveyed microplastics in surface seawater of Bandon Bay, Thailand, finding the highest concentrations near fishery and aquaculture areas, with fragments as the dominant form and polyethylene and polypropylene as the most common polymer types.
Contamination and characterization of microplastics in different sediments of the river estuaries (the inner Gulf of Thailand)
Researchers measured microplastic contamination in river estuary sediments in the inner Gulf of Thailand, finding widespread contamination at all sites. The study characterizes the types and abundance of microplastics in a highly trafficked coastal region of Southeast Asia.
Microplastics pollution with heavy metals in the aquaculture zone of the Chao Phraya River Estuary, Thailand
Researchers examined microplastic pollution and associated heavy metals in the aquaculture zone of the Chao Phraya River Estuary in Thailand. They found microplastics in both sediment and surface water, with fibers being the dominant shape and polyethylene the most common polymer type. The study raises concerns about the potential for microplastics to carry heavy metal contaminants into aquaculture areas, which could affect seafood safety in the region.
Microplastic pollution in surface seawater and beach sand from the shore of Rayong province, Thailand: Distribution, characterization, and ecological risk assessment
Researchers surveyed microplastic pollution in beach sand and seawater along Rayong province, Thailand, finding average concentrations of 339 particles per kilogram in sand and 1,781 particles per cubic meter in seawater, with polyethylene as the most common polymer type.
Seasonal effects, spatial distribution, and possible sources of microplastics in the Chao Phraya River estuary, Thailand
This study tracked microplastic abundance and distribution in the Chao Phraya River estuary in Thailand across dry and wet seasons. Plastic levels varied significantly by season and location, with the estuary serving as a key pathway for plastic debris entering the marine environment.
Seasonal microplastic variations in estuarine sediments from urban canal on the west coast of Thailand: A case study in Phuket province
Researchers investigated seasonal variations in microplastic contamination in estuarine sediments from an urban canal in Phuket, Thailand. They found microplastic abundance was higher in the dry season than the rainy season, with rayon and polyester being the most common polymer types, suggesting that seasonal hydrological patterns and human activities both influence microplastic distribution in urban estuaries.
Abundance, composition, and fate of microplastics in water, sediment, and shellfish in the Tapi-Phumduang River system and Bandon Bay, Thailand
Researchers measured microplastic contamination in water, sediment, and shellfish across the Tapi-Phumduang River system and Bandon Bay in Thailand, finding MPs throughout the system with highest concentrations in shellfish harvested from aquaculture areas and estimating human intake through local seafood consumption.
Preliminary Study of Abundance and Characteristics of Microplastics on Beach Sediment along the Coast of Rayong Province, Thailand
Microplastic contamination was found in beach sediment at three sites in Rayong Province, Thailand, with fibers and fragments being the most common types. The study provides baseline contamination data for this East Asian coastal region.
Occurrence and abundance of microplastics in surface water of Songkhla Lagoon
Researchers surveyed microplastic contamination in the surface waters of Songkhla Lagoon in Thailand and found microplastics at all sampling sites. Small fibers under 500 micrometers were the most abundant type, with rayon and polyester being the dominant polymer materials. The findings indicate that this important coastal lagoon system is widely affected by microplastic pollution from surrounding urban and industrial sources.
Distribution and flux assessment of microplastic debris in the middle and lower Chao Phraya River, Thailand
Researchers measured microplastic concentrations throughout Thailand's largest river, the Chao Phraya, finding plastic particles at every sampling station across all seasons, with sediment concentrations up to 546 particles per kilogram dry weight. Fiber was the most common form, and contamination peaked during monsoon season when rainfall flushes more plastic into the river. The study estimates the river's flux of microplastics toward the Gulf of Thailand, providing a baseline for understanding how major Asian rivers transport land-based plastic pollution to the ocean.
Microplastic pollution and risk assessment around coral reefs of the Eastern Part, Thailand
This study assessed microplastic pollution and ecological risk in sediments and water around coral reefs in the Eastern Pacific, finding microplastic concentrations elevated near human activity and identifying polymer types associated with fishing gear and land-based plastic waste.
Occurrence of microplastics and ecological risk assessment during tidal changes in the Chao Phraya River estuary, Thailand
This study was the first to assess how tidal changes affect microplastic concentrations in the Chao Phraya River estuary in Thailand, finding abundances ranging from 1.37 to 4.51 pieces per liter across the tidal cycle. Fibers and fragments dominated, with ecological risk assessed as moderate.
Horizontal variation of microplastics with tidal fluctuation in the Chao Phraya River Estuary, Thailand
Microplastic concentrations and composition in the Chao Phraya River Estuary in Thailand varied with tidal cycle, with flood tides increasing marine-sourced particles and ebb tides flushing river-derived fragments, showing that tidal dynamics must be accounted for in estuarine microplastic sampling designs.
Microplastic Contamination in the Coastal Environment: A Case Study from the Mae Klong Estuary, Samut Songkhram
Researchers analyzed microplastic contamination in mangrove sediments from two sites in the Mae Klong Estuary in Thailand, finding average concentrations of 580 items/kg in the Mae Klong River and 1,690 items/kg in the Klong Khon Canal. The study linked higher microplastic concentrations in the canal to lower sediment transport energy in tidal flat environments that promote deposition of fine grains and plastic particles.
Abundance And Characteristics of Microplastics Contaminating The Surface Water of The Inner Gulf of Thailand
Researchers collected surface water samples from 25 locations in the Inner Gulf of Thailand and found widespread microplastic contamination with varying concentrations and particle types. The study adds to regional evidence that the Gulf of Thailand is significantly impacted by microplastic pollution from both marine and land-based sources.
Preliminary study on microplastic abundance in mangrove sediment cores at Mae Klong River, upper Gulf of Thailand
Researchers conducted a preliminary study on microplastic abundance in mangrove sediment cores collected from the Mae Klong River mouth and a shoreline park in Thailand. The study found microplastics throughout the sediment cores, with fibers and fragments being the most common types, indicating that mangrove ecosystems are accumulating microplastic pollution over time.
Microplastics Contamination in a High Population Density Area of the Chao Phraya River, Bangkok
This study measured microplastic concentrations in surface water and sediment from a densely populated stretch of the Chao Phraya River in Bangkok, finding particles at all sites with higher levels in sediment than in water. Bangkok's high population density and inadequate plastic waste management are major contributors to microplastic contamination in this major urban river.
Interactions Between Heavy Metals and Microplastics in Surface Marine Sediments, Chanthaburi River Mouth, Eastern Gulf of Thailand
Researchers assessed heavy metal and microplastic contamination in surface marine sediments from the mouth of Thailand's Chanthaburi River, finding interactions between metal pollutants and plastic particles that affect contaminant bioavailability and ecological risk in estuarine environments.
Microplastics in sediments of the Changjiang Estuary, China
Researchers sampled sediments in the Changjiang Estuary and found microplastics throughout, with concentrations and polymer types reflecting inputs from the Yangtze River and coastal human activities.
Microplastic pollution in the Belawan Estuary, Indonesia: Evidence from aquatic biota and polymer characterization
Researchers investigated microplastic pollution in the Belawan Estuary, Indonesia, by sampling aquatic biota and characterizing polymer types using spectroscopic methods. They found widespread microplastic contamination across multiple species, with polymer composition reflecting local plastic waste sources and demonstrating bioaccumulation of microplastics through the estuarine food web.
Prevalence of Microplastics in Coastal Area of Samae San, Thailand and Its Possible Source
Researchers examined microplastic abundance, morphology, and polymer composition across multiple environmental matrices in Samae San, Thailand, including soil near a dumping site, road dust, beach sand, and sediment, finding the highest concentration of 93,734.3 items per kilogram dry weight at the dumping site soil.
First Evidence of Microplastics Burden in Surface Waters of Budhabalanga Estuary, Chandipur, Eastern India: Potential Threat to Aquatic Ecosystem
Researchers conducted the first assessment of microplastic pollution in the surface waters of the Budhabalanga Estuary in eastern India. They found microplastics at all sampling locations, with fibers being the dominant type, likely originating from fishing activities and domestic waste. The study provides baseline data on microplastic contamination in this previously unstudied estuary and flags potential threats to the local aquatic ecosystem.
Microplastics on beaches along the eastern Gulf of Thailand – A preliminary study
Researchers quantified microplastics at the high-tide line of 21 beaches along the eastern Gulf of Thailand, finding highly variable contamination levels ranging from 420 to over 200,000 particles per kilogram of sand.
Microplastic pollution in tropical estuary gastropods: Abundance, distribution and potential sources of Klang River estuary, Malaysia
Researchers conducted a baseline study of microplastic abundance and distribution in gastropods from the Klang River estuary in Malaysia, finding concentrations ranging from 0.50 to 1.75 particles per gram and a predominance of fibres (91%) mostly in the 300-1000 µm size range. The higher microplastic loads in upper estuary samples near the urbanised river catchment indicated that terrestrial runoff was the primary source.