期刊
REGIONAL STUDIES IN MARINE SCIENCE
卷 46, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.rsma.2021.101868
关键词
Microplastics; Corers; Vertical; Pollution; Plastic; Marine sediments
资金
- ViceRectorate for Research of the Pontificia Universidad Catolica del Peru (VRI-PUCP)
Plastic production has been continuously increasing since its massification in the 1950s, leading to microplastics being widespread contaminants that could serve as geological proxies of the Anthropocene. Investigating microplastics in sedimentary records requires specific technical procedures, and the study evaluated current advancements and methods in this area while providing recommendations for future research.
Plastic production has increased continuously since its massification in the 1950s. Microplastics (MPs), plastic particles smaller than 5 mm, are contaminants widespread across all environmental compartments, including remote ecosystems. Thus, MPs could serve as geological proxies of the Anthropocene, a proposed geological epoch characterized for the human-derived influence on the environment. MP investigation in sedimentary records requires specific sampling and analytical procedures exclusive to this line of research. Failing to properly conduct one or many of the standardized procedures compromises the veracity of the data obtained. In the present review, we assessed the current advances and notorious results in studies investigating MPs in the sedimentary record, a recent area of research. Also, a method-based diagnosis was conducted by critically analyzing the sampling and dating, MP extraction, polymer identification, and contamination prevention steps. We aimed to provide recommendations to future research based on critical analyses of the current state of the art and to present prospective outlooks regarding MPs as geological markers of modern civilization. (C) 2021 Elsevier B.V. All rights reserved.
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