Abstract
Microplastic (300-5000µm) concentrations were measured in the Dinh River and in the shoreline of the Back and Mudberry beaches of Ba Ria Vung Tau province, Southern Vietnam, under the COMPOSE project (2019-2021). Microplastic were sampled using a 80µm mesh size net from a local boat in the water and using sediment core of 5cm depth for the sediment. The samples were extracted in the laboratory using enzymatic digestion, NaCl density separation and were filtrated on GF-A filter. Then microplastic were observed on stereomicroscope and length, area, color were measured for fragments, line and circle. Concentrations are given in total microplastic per m3, fragment per m3 and fibers per m3. The sampling dates are October 2019, January 2020, April 2020, July 2020, October 2020, January 2021 and March 2021.
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