期刊
SCIENCE OF THE TOTAL ENVIRONMENT
卷 636, 期 -, 页码 20-29出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.scitotenv.2018.04.182
关键词
Microplastics; Surface seawater; Sediment; Micro-FTIR; Fishery
资金
- Qingdao National Laboratory for Marine Science and Technology [2016ASKJ14]
- NSFC-Shandong Joint Fund for Marine Ecology and Environmental Sciences [U1606404]
- National Natural Science Foundation of China [41706130]
- Creative Team Project of the Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology [LMEES-CTSP-2018-4]
- Special Scientific Research Funds for Central Non-profit Institutes, Yellow Sea Fisheries Research Institutes [20603022018011]
Microplastics are emerging contaminants and have attracted widespread environmental concerns about their negative effects on the marine ecosystems. In this study, we investigated the abundances, distributions and characteristics of microplastics in surface seawater and sediments from the North Yellow Sea. The results showed that the abundance of microplastics was 545 +/- 282 items/m(3) in surface seawater and 37.1 +/- 42.7 items/kg dry weight in sediments, representing a medium microplastic pollution level compared with other sea areas. Small microplastics (< 1 mm) made up > 70% of the total microplastic numbers. Films and fibers were the dominant shapes of microplastics in both the surface seawater and sediments. Transparent microplastics were generally more common than microplastics of other colors. Based on the identification by a Fourier transform infrared microscope, polyethylene (PE) was the dominant composition of microplastics in surface seawater, while polypropylene (PP) was the most common polymer type in sediments. These results will improve our understanding of the environmental risks posed by microplastics to marine ecosystems. (C) 2018 Elsevier B.V. All rights reserved.
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