Microplastic pollution in terrestrial environment: Identification, characterization, and risk assessment in Indore, Central India

IF 5 3区农林科学 Q1 SOIL SCIENCE

Soil Use and Management Pub Date : 2024-05-10 DOI:10.1111/sum.13053

Surya Singh, Sankar Chakma, Bablu Alawa, Madhanraj Kalyanasundaram, Vishal Diwan

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Abstract

Widespread use of plastics and improper management of plastic waste have resulted in generation of microplastic particles in the environment. These microplastic particles are pervasive contaminants having potential to invade almost all the environmental matrices and biotic species including humans. Therefore, immediate concern is necessary to investigate the level of contamination and probable risk imposed because of microplastics. Present investigation has been carried out for estimating the presence of microplastics in terrestrial environment of Indore, which is considered as commercial capital of the state of Madhya Pradesh (India). Soil samples (30 in no.) were collected from agricultural and recreational areas of the city and analysed for the presence of microplastics. Approximately 11 particles/kg and 68.25 particles/kg were found in the agricultural and recreational site soil samples, respectively. Chemical composition analysis revealed that most of the microplastic particles belonged to polyethylene terephthalate, polypropylene, polyethylene, polyester, and polyamide. Significant presence of various fibres made up of polyester, polyacrylic, and cellulose acetate was also seen, which could be attributed to the presence of textile industries in and around Indore. Ecological risk assessment aided in concluding that study area soil is under the ‘very low’ risk category; however, considering the long‐term impacts of microplastics, suitable control measures for plastic waste are needed to be adopted.

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陆地环境中的微塑料污染：印度中部印多尔的识别、特征描述和风险评估

塑料的广泛使用和塑料废物的不当管理导致环境中产生微塑料颗粒。这些微塑料颗粒是无孔不入的污染物，有可能侵入几乎所有的环境基质和生物物种，包括人类。因此，有必要立即对微塑料的污染程度和可能造成的风险进行调查。印多尔是印度中央邦（Madhya Pradesh）的商业首府，本次调查旨在估测该地区陆地环境中微塑料的存在情况。从该市的农业区和休闲区收集了土壤样本（共 30 份），并对样本中是否存在微塑料进行了分析。在农业区和休闲区的土壤样本中分别发现了约 11 微粒/千克和 68.25 微粒/千克。化学成分分析表明，大部分微塑料颗粒属于聚对苯二甲酸乙二酯、聚丙烯、聚乙烯、聚酯和聚酰胺。此外，还发现了大量由聚酯、聚丙烯酸和醋酸纤维素组成的各种纤维，这可能与印多尔市及其周边地区的纺织工业有关。生态风险评估得出结论，研究区域的土壤属于 "极低 "风险类别；不过，考虑到微塑料的长期影响，需要对塑料废物采取适当的控制措施。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Soil Use and Management 农林科学-土壤科学

CiteScore

7.70

自引率

13.20%

发文量

审稿时长

3 months

期刊介绍： Soil Use and Management publishes in soil science, earth and environmental science, agricultural science, and engineering fields. The submitted papers should consider the underlying mechanisms governing the natural and anthropogenic processes which affect soil systems, and should inform policy makers and/or practitioners on the sustainable use and management of soil resources. Interdisciplinary studies, e.g. linking soil with climate change, biodiversity, global health, and the UN’s sustainable development goals, with strong novelty, wide implications, and unexpected outcomes are welcomed.