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Effects of microplastics on sessile invertebrates in the eastern coast of Thailand: An approach to coastal zone conservation
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Researchers assessed microplastic contamination in three abundant intertidal invertebrate species along Thailand's eastern coast, including rock oysters, barnacles, and periwinkles. They found microplastic accumulation rates of 0.2 to 0.6 particles per gram across all species, with filter-feeding organisms showing higher accumulation. The study suggests that sessile intertidal organisms can serve as effective bioindicators for monitoring coastal microplastic pollution levels.
This study assessed the microplastic contamination of 3 most abundant sessile and intertidal invertebrates (Rock Oyster: Saccostrea forskalii, Striped Barnacle: Balanus amphitrite, Periwinkle: Littoraria sp.) in 3 beaches of the eastern coasts of Thailand. The results showed a significant accumulation of microplastics in the invertebrates at rates of 0.2-0.6 counts/g indicating higher pollution levels along the coastline. Filter feeding organisms showed comparatively higher accumulation rates of microplastics. Thus, contaminated bivalves pose potential health risks for seafood consumers. The plastic pollutant prevalence in sessile and intertidal communities was corresponded with pollution characteristics of contaminated beach habitats where they live. Thus, bivalves, gastropods and barnacles can be used as indicators for contamination of microplastics in the areas. This study also demonstrated the need for controlling plastic pollution in Thai coastal areas.
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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.