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Occurrence of microplastics on beach sediment at Libong, a pristine island in Andaman Sea, Thailand

ScienceAsia 2020 29 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 30 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Siriporn Pradit, Suthep Jualaong, Kittiwara Sornplang, Siriporn Pradit, Siriporn Pradit, Siriporn Pradit, Siriporn Pradit, Suthep Jualaong, Siriporn Pradit, Prakrit Noppradit, Siriporn Pradit, Prakrit Noppradit, Siriporn Pradit, Siriporn Pradit, Siriporn Pradit, Kittiwara Sornplang, Siriporn Pradit, Prakrit Noppradit, Prakrit Noppradit, Siriporn Pradit, Siriporn Pradit, Siriporn Pradit, Siriporn Pradit, Prakrit Noppradit, Prakrit Noppradit, Thongchai Nitiratsuwan Siriporn Pradit, Thongchai Nitiratsuwan Thongchai Nitiratsuwan Thongchai Nitiratsuwan Siriporn Pradit, Prakrit Noppradit, Prawit Towatana, Prawit Towatana, Prawit Towatana, Siriporn Pradit, Thongchai Nitiratsuwan, Thongchai Nitiratsuwan, Thongchai Nitiratsuwan, Thongchai Nitiratsuwan, Prakrit Noppradit, Prakrit Noppradit, Prawit Towatana, Siriporn Pradit, Siriporn Pradit, Siriporn Pradit, Siriporn Pradit, Siriporn Pradit, Siriporn Pradit, Siriporn Pradit, Siriporn Pradit, Prakrit Noppradit, Prakrit Noppradit, Prakrit Noppradit, Prakrit Noppradit, Kittiwara Sornplang, Kittiwara Sornplang, Thongchai Nitiratsuwan, Kittiwara Sornplang, Thongchai Nitiratsuwan Kittiwara Sornplang, Prawit Towatana, Prawit Towatana, Prawit Towatana, Prawit Towatana, Thongchai Nitiratsuwan Suthep Jualaong, Prawit Towatana, Siriporn Pradit, Thongchai Nitiratsuwan Suthep Jualaong, Thongchai Nitiratsuwan Siriporn Pradit, Thongchai Nitiratsuwan Thongchai Nitiratsuwan, Siriporn Pradit, Thongchai Nitiratsuwan, Thongchai Nitiratsuwan, Thongchai Nitiratsuwan, Kittiwara Sornplang, Kittiwara Sornplang, Siriporn Pradit, Kittiwara Sornplang, Siriporn Pradit, Thongchai Nitiratsuwan Siriporn Pradit, Monticha Jirajarus, Kittiwara Sornplang, Thongchai Nitiratsuwan, Monticha Jirajarus, Kittiwara Sornplang, Kittiwara Sornplang, Kittiwara Sornplang, Kittiwara Sornplang, Prawit Towatana, Suthep Jualaong, Kittiwara Sornplang, Prawit Towatana, Prakrit Noppradit, Kittiwara Sornplang, Monticha Jirajarus, Prakrit Noppradit, Prakrit Noppradit, Monticha Jirajarus, Yardtip Darakai, Yardtip Darakai, Yardtip Darakai, Kittiwara Sornplang, Kittiwara Sornplang, Yardtip Darakai, Kittiwara Sornplang, Siriporn Pradit, Kittiwara Sornplang, Kittiwara Sornplang, Kittiwara Sornplang, Thongchai Nitiratsuwan, Thongchai Nitiratsuwan, Thongchai Nitiratsuwan, Chaiyapruk Weerawong, Thongchai Nitiratsuwan, Thongchai Nitiratsuwan Chaiyapruk Weerawong, Thongchai Nitiratsuwan Thongchai Nitiratsuwan Chaiyapruk Weerawong, Chaiyapruk Weerawong, Thongchai Nitiratsuwan

Summary

Researchers surveyed microplastic contamination in beach and mudflat sediments at Libong Island, a relatively pristine site in Thailand's Andaman Sea. Despite the island's protected status, microplastics were found throughout, with fibers making up 59% of detected particles, showing that plastic pollution reaches even remote coastal ecosystems.

Polymers

PA PE PP PVC nylon

Study Type Environmental

Microplastic pollution is a global issue and a hot issue in Thailand. This is the first assessment of microplastics at Libong, a pristine island, located in Andaman Sea. The investigation was carried out by collecting the sediment from beach and mudflat areas of the island in May and July, 2019. Three class sizes of microplastics were determined: greater than 5 mm, 18 pieces; 1-5 mm, 28 pieces; and less than 1 mm, 129 pieces. The total number of microplastics from beach sediment was greater than that from the mudflat sediment. The discovered microplastics were mainly constituted of fibers (59%) and fragments (41%). A great variety of colors were found, and white (43% from beach, 41% from mudflat area) was the most common, followed by blue (9% from beach, 35% from mudflat) and red (12% from beach, 6% from mudflat). Polymers identified by Fourier Transform Infrared Spectrophotometer consisted of poly vinyl chloride (PVC), polypropylene (PP), Nylon, Polyethylene (PE), Polyester, Polyacrylate (PA) and polymer with a structure similar to EPDM rubber.

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