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Microplastics in the surface seawater of Bandon Bay, Gulf of Thailand
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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.
This study aimed to evaluate the microplastics abundance, composition and distribution in Bandon Bay's surface seawater, in southern Thailand. Samples of microplastics were collected from 48 transects using a surface manta trawl at four different estuaries that support human activities. The results showed that the highest microplastic abundance occurred in the fishery and aquaculture areas with a mean abundance of 0.33 particles/m. Fragments were the dominant form at all stations. Microplastics with <1 mm were the dominant size, and white was the colour most found in all stations. Polypropylene was the major type of microplastic, accounting for 57% overall. This study is an important reference for understanding the microplastics status in the surface seawater of Bandon Bay, as it will allow relevant agencies to accurately assess the pollution level of microplastics in the bay. It is of practical significance to understand the sources and sinks of microplastics.
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Microplastic pollution in surface seawater and beach sand from the shore of Rayong province, Thailand: Distribution, characterization, and ecological risk assessment
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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.
Abundance And Characteristics of Microplastics Contaminating The Surface Water of The Inner Gulf of Thailand
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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.
Occurrence and distribution of microplastics in surface sediments from the Gulf of Thailand
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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.
Type and Distribution of Microplastic Contamination in Beach Sediment Along the Coast of the Lower Gulf of Thailand
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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.
Spatial heterogeneity distributions and seasonal variations of microplastic contaminations in surface waters and sediments and microplastic pollution level assessments of the inner Gulf of Thailand
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Researchers measured microplastic concentrations in both surface water and sediment across the inner Gulf of Thailand in dry and wet seasons, finding widespread contamination influenced by river discharge and oceanographic conditions. The study provides a baseline for monitoring microplastic pollution levels in this heavily used coastal area.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.