The DOI matches its Crossref record; 13 of the 13 references it cites were found in a registry or an index.
The distribution of microplastics in soil aggregate fractions in southwestern China
Abstract
Plastic particle accumulation in arable soils is a growing contaminant of concern with unknown consequences for soil productivity and quality. This study aimed to investigate abundance and distribution of plastic particles among soil aggregate fractions in four cropped areas and an established riparian forest buffer zone at Dian Lake, southwestern China. Plastic particles (10-0.05 mm) from fifty soil samples were extracted and then sorted by size, counted, and categorized. Plastic particles were found in all soil samples. The concentration of plastic particles ranges from 7100 to 42,960 particles kg-1 (mean 18,760 particles kg-1). 95% of the sampled plastic particles are in the microplastic size (1-0.05 mm) range. The predominant form is plastic fibers, making up on average 92% of each sample followed by fragments and films that contributed with to 8%. Results of this study also show that 72% of plastic particles are associated with soil aggregates, and 28% of plastic particles are dispersed. The abundance of aggregate-associated plastic fibers is significantly greater in the micro-aggregate than that in the macro-aggregate, whereas the less concentrations of plastic films and fragments are found in the micro-aggregate. Compared to the adjacent vegetable soil, the less concentration of plastic particles in the buffer soil implicates that application of soil amendments and irrigation with wastewater must be controlled to reduce accumulation of microplastics in agricultural soils. While the implications of microplastic on ecological and human health are poorly understood, the staggering number of microplastic in agricultural soils should be continually concerned in the future.
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Cites
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Cited by
Source, migration and toxicology of microplastics in soil
Guo, J.-J., Huang, X.-P., Xiang, L., Wang, Y.-Z., Li, Y.-W., Li, H., Cai, Q.-Y., Mo, C.-H., & Wong, M.-H. (2020) · Environment International · doi:10.1016/j.envint.2019.105263 · Cited by 1,211
Fei, Y., Huang, S., Zhang, H., Tong, Y., Wen, D., Xia, X., Wang, H., Luo, Y., & Barceló, D. (2020) · Science of The Total Environment · doi:10.1016/j.scitotenv.2019.135634 · Cited by 854
LDPE microplastic films alter microbial community composition and enzymatic activities in soil
Huang, Y., Zhao, Y., Wang, J., Zhang, M., Jia, W., & Qin, X. (2019) · Environmental Pollution · doi:10.1016/j.envpol.2019.112983 · Cited by 774
Recent advances in toxicological research of nanoplastics in the environment: A review
Shen, M., Zhang, Y., Zhu, Y., Song, B., Zeng, G., Hu, D., Wen, X., & Ren, X. (2019) · Environmental Pollution · doi:10.1016/j.envpol.2019.05.102 · Cited by 686
Xiang, Y., Jiang, L., Zhou, Y., Luo, Z., Zhi, D., Yang, J., & Lam, S. S. (2022) · Journal of Hazardous Materials · doi:10.1016/j.jhazmat.2021.126843 · Cited by 574
Metadata
- Authors
- Zhang, G. S., & Liu, Y. F.
- Venue
- Science of The Total Environment
- Publisher
- Elsevier BV
- Published
- 2018-11
- Volume
- 642
- Pages
- 12-20
- ISSN
- 0048-9697 (ISSN-L)
- OpenAlex
- W2806856749
- Cited by
- 1,329
- References
- 13
- FWCI
- 30.41
- Type
- journal article
- Language
- en
- Open access
- closed
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