Characterising microplastic pollution in sediments from urban water systems using the diversity index

As microplastic pollution (MP) is currently attracting worldwide attention, the characterisation of microplastics (MPs) in terms of pollution level, sources and migration is of great importance. In the present work, both the Simpson diversity index (SDI) and Shannon-Wiener index (SWI) were used to s...

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Bibliographic Details
Published in:Journal of cleaner production 2021-10, Vol.318, p.128537, Article 128537
Main Authors: Fang, Qin, Niu, Siping, Yu, Jianghua
Format: Article
Language:English
Subjects:
Microplastic diversity
Microplastics
Migration
Physical morphology
Sediments
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Summary:As microplastic pollution (MP) is currently attracting worldwide attention, the characterisation of microplastics (MPs) in terms of pollution level, sources and migration is of great importance. In the present work, both the Simpson diversity index (SDI) and Shannon-Wiener index (SWI) were used to study the MPs present in the sediments from urban water systems including two lakes (Yushan lake and Nan Lake) and two rivers (Yushan River and Yongfeng River) from Ma'anshan City in the lower reaches of the Yangtze River. The abundance of MPs in sediments ranged between 5 and 153 items·kg−1 with high spatial variation depending on the site. MPs detected in the urban water system were dominated by film (69.8%) in shape, transparent (36.4%) in colour,
ISSN:0959-6526
1879-1786
DOI:10.1016/j.jclepro.2021.128537