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Microplastic concentrations in riverine and lake environments of Da Nang province and Quang Nam provinces, Central Vietnam, under COMPOSE (2019-2021) and CounterMEASUREII (2021-2022) projects
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Microplastic concentrations were surveyed in rivers and lakes of Da Nang and Quang Nam provinces in central Vietnam over multiple sampling periods from 2019 to 2022. The dataset contributes to regional monitoring of freshwater microplastic pollution in Southeast Asia.
Microplastic (300-5000µm) concentrations were measured in the Central Park Lake, Hoa Phu Lake and Han River environments of Da Nang city, and in the Thu Bon River and Cu De River of Quang Nam province Central Vietnam, under the COMPOSE project (2019-2021)and the CounterMEASUREII project (2021-2022). Microplastic were sampled using a 80µm mesh size net from a local boat. 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, May 2020, July 2020, October 2020, January 2021 and March 2021 under COMPOSE Project and October 2021 and January 2022 under the CounterMEASUREII project.
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