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61,005 resultsShowing papers similar to Abundance And Characteristics of Microplastics Contaminating The Surface Water of The Inner Gulf of Thailand
ClearContamination 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 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.
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.
Assessment of microplastic pollution in corals, seawater, and marine sediments in the Gulf of Thailand
Researchers assessed microplastic occurrence, abundance, and characteristics in coral, seawater, and sediment samples from two reef sites in the Gulf of Thailand, detecting microplastics in all coral samples at concentrations ranging from 0.24 to 2.60 particles per gram and finding spatial variability across reef species and sites.
Influence of seasonal variations on the distribution characteristics of microplastics in the surface water of the Inner Gulf of Thailand
Researchers sampled surface water across 70-74 sites in the Inner Gulf of Thailand in both dry and wet seasons, finding microplastic concentrations 4 times higher in the wet season (34.59 pieces/L) than the dry season (8.70 pieces/L). River discharge was identified as the key driver of microplastic input to the coastal sea, and polypropylene and polyethylene were the dominant polymers.
Occurrence and distribution of microplastics in surface sediments from the Gulf of Thailand
Researchers investigated the distribution and characteristics of microplastics in surface sediments across the Gulf of Thailand, finding an average abundance of 150.4 pieces/kg dry weight with fragment shapes dominating, and observed a correlation between sediment grain size and microplastic content. The results establish baseline contamination data for this Southeast Asian coastal region.
Testing the factors controlling the numbers of microplastics on beaches along the western Gulf of Thailand
Researchers measured microplastic concentrations on beaches along the western Gulf of Thailand and applied statistical models to link abundance patterns to ocean surface currents and land-based pollution sources, finding that current direction and proximity to riverine inputs were the strongest predictors of beach MP levels.
Spatio-heterogeneity risk assessment from microplastic contaminations in water and sediment of the inner gulf of Thailand
This study assessed the spatial distribution and ecological risk of microplastic contamination in water and sediment across the inner Gulf of Thailand, finding heterogeneous pollution patterns driven by urbanization, industrial activity, and riverine discharge. High-risk zones were identified near urban and industrial areas.
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.
Type and Distribution of Microplastic Contamination in Beach Sediment Along the Coast of the Lower Gulf of Thailand
Microplastic contamination was surveyed at five beaches along Thailand's lower Gulf Coast, with Talo Kapo showing the highest abundance and fragment-type particles being most common. The findings document baseline plastic pollution levels and polymer types across different coastal settings.
First Evidence of Existence of Microplastics in Stomach of Some Commercial Fishes in the Lower Gulf of Thailand
This study provided the first evidence of microplastics in the stomach contents of commercial fish species from the lower Gulf of Thailand, finding plastic debris in multiple economically important species. The results raise food safety concerns for Thai seafood markets and highlight an understudied region in Southeast Asia's microplastic contamination landscape.
A perspective study on occurance, impacts and sources of microplastics in the marine environment of south China Sea and Gulf of Thailand
A synthesis of published data on microplastics in the South China Sea and Gulf of Thailand identified the Pearl River and Mekong River as major plastic inputs, with the Gulf of Thailand showing medium plastic abundance levels, and called for improved management strategies for these sensitive regions.
Occurrence, abundance, and distribution of microplastics pollution: an evidence in surface tropical water of Klang River estuary, Malaysia
Researchers measured microplastic abundance, size, shape, and polymer type in surface water of the Klang River estuary in Malaysia — a highly urbanized waterway — finding concentrations among the highest reported in Southeast Asian estuaries, with industrial packaging materials and synthetic textiles as the dominant sources.
Microplastics Baseline Study in Gulf of Thailand: First Time in Thailand
This study conducted a baseline survey of microplastic concentrations in the Gulf of Thailand, representing the first systematic measurements in Thai territorial waters. Sampling covered offshore facilities, coral reef areas, and coastal sites, finding microplastics at all locations. The baseline data will support Thai government and industry efforts to monitor and manage marine microplastic pollution.
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.
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.
Integration of microplastics and heavy metals in the potential ecological risk index: Spatial pollution assessment of sediments in the inner Gulf of Thailand
Researchers assessed the spatial distribution of microplastics and heavy metals in surface sediments of the inner Gulf of Thailand, finding an average of nearly 1,400 microplastic pieces per kilogram with the highest concentrations near river mouths. They developed an integrated ecological risk index combining microplastic and heavy metal contamination, revealing that areas near river estuaries face moderate to considerable combined pollution risk. The study demonstrates the importance of evaluating microplastics alongside other contaminants for comprehensive environmental risk assessment.
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.
Distribution of microplastics in surface water from Saigon River to Can Gio Sea
Researchers found widespread microplastic contamination in surface water samples from the Saigon River and Can Gio Sea in Vietnam, with concentrations and particle types shifting from river to coastal environments, reflecting the transport of land-based plastic pollution into marine systems.
Microplastics pollution in selected rivers from Southeast Asia
Researchers surveyed microplastic pollution in rivers across Southeast Asia, a region with high plastic waste discharge but limited monitoring data, documenting the distribution and characteristics of microplastics in these understudied waterways.
Exploring the microplastic pollution: Unveiling origins and varieties in coastal sediments and waters of the Bushehr Province, Persian Gulf, Iran
Researchers conducted a comprehensive survey of microplastic pollution in coastal sediments and waters along the Persian Gulf in Iran. They found microplastics at all sampling sites, with the highest concentrations near petrochemical facilities and urban centers, and fibers being the most common type. The study establishes baseline pollution data for the region and links contamination levels to specific human activities.
Type and Distribution of Microplastics in Beach Sediment along the Coast of the Eastern Gulf of Thailand
Researchers examined microplastic distribution in beach sediments along the eastern Gulf of Thailand across two monsoon seasons, finding up to 1,698 pieces/m2 at the most contaminated site with PET (39.6%) and polyamide (22.8%) as the dominant polymer types among 17 identified.
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.
Spatiotemporal dynamics and tidal transport of microplastics in the tropical waters of the Gulf of Thailand
Researchers tracked microplastic contamination from the Chumphon River through the coastal Gulf of Thailand, including in farmed green mussels, finding that river systems carried higher microplastic loads than coastal waters. In the water column, low-density polymers dominated near the surface while high-density plastics increased with depth, and fibers made up 95% of particles in river water. Green mussels contained shorter fibers matching their surrounding environment, confirming that freshwater runoff from human activities is a major source of coastal microplastic pollution.