12. STUDY ON PLASTIC WASTE STATUS IN MANGROVE FORESTS AT THE COASTAL AREA OF HAU LOC DISTRICT, THANH HOA PROVINCE

Thao Pham Thi Mai, Lan Nguyen Thi

Abstract

Plastic is one of the most handy materials that man has ever invented. With its cheap, durable, and convenient properties, plastic is used in almost all areas of life. Along with economic development, plastic waste is becoming a big challenge for the community and society, significantly affecting the environment, public health and marine ecosystems, including mangrove forests. Studies on marine plastic waste now mainly focus on the number of plastic waste collected without concentrating on the composition, nature, and fluctuations of plastic waste accumulation over time and season. Therefore, by the methods of sampling, determining volume and composition and moisture content of each group of plastic waste, the study was conducted in the mangrove forest at Da Loc commune, Hau Loc district, Thanh Hoa province. The research results showed that the average volume of plastic waste in the 1st sample collection was 14.64g/m2, 3.47g/m2, 15.02g/m3 and 5.88g/m2 in the 2nd, 3rd and 4th sampling times, respectively. The average density of plastic waste in mangroves was 0.93 items/m2 and 0.25 items/m2at the 1st and 2nd sample collection in the winter season. Whereas in the summer, the average density of plastic waste in the mangroves is 0.74 items/m2 and 0.54 items/m2 in 3rd and 4th sample collections. LDPE was the dominant component in mangroves at each sampling period, the LDPE’s volume ranges from 0.81g/m2 to 7.59g/m2 on average, followed by PP with an average volume of 1.55g/m2 - 7.0g/m2, the third was PVC with an average volume from 0.12g/m2 - 2.54g/m2, followed by PET (0.14g/m2 - 1.09g/m2), PS (0.02g/m2 - 0.79g/m2). HDPE and OTHERS were not found in the mangrove during sampling sessions. And there was no more different moisture content of different types of plastic waste among samples collected in the mangrove.

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References

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Authors

Thao Pham Thi Mai
ptmthao@hunre.edu.vn (Primary Contact)
Lan Nguyen Thi
Pham Thi Mai, T., & Nguyen Thi, L. (2020). 12. STUDY ON PLASTIC WASTE STATUS IN MANGROVE FORESTS AT THE COASTAL AREA OF HAU LOC DISTRICT, THANH HOA PROVINCE. Science Journal of Natural Resources and Environment, (33), 90–97. Retrieved from https://tapchikhtnmt.hunre.edu.vn/index.php/tapchikhtnmt/article/view/284
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