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Isolation and identification of microplastic on the cockleshell of blood clam (Anadara Granosa Linn)
Summary
This study aimed to identify microplastics on the cockleshell surfaces of blood clams (Anadara granosa) sampled from five beaches, using NaCl separation and microscopy to characterize particle abundance and morphology on commercially harvested shellfish.
Abstract This study aims to figure out the occurrence of microplastics in cockleshells of Anadara granosa Liin from the five beaches. The dried cockleshells were immersed in NaCl for the partition step in view of the particular gravity of the microplastic and categorized according to shape under a stereo microscope. In all samples, were consistently found microplastics. The beach that has the largest abundance of microplastics is the Kenjeran Beach Surabaya in East Java Province. The shape of the abundance of microplastics found in this research were fragments, film, foams, crystals, granules, pellets, filaments, and yarn. The average microplastic abundance was 171 pieces per 75 grams of cockleshell dry weight. Among the identified microplastics, fragment (55.33%) was the most frequent type. The occurrence and distribution of microplastics in cockleshells of specimens from the studied region provided information for evaluating the risks of microplastics.
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