Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Occurrence of Microplastics (MPs) in Antarctica and Its Impact on the Health of Organisms

Version 1 : Received: 5 October 2023 / Approved: 6 October 2023 / Online: 6 October 2023 (11:56:32 CEST)

How to cite: Bhardwaj, L.K. Occurrence of Microplastics (MPs) in Antarctica and Its Impact on the Health of Organisms. Preprints 2023, 2023100334. https://doi.org/10.20944/preprints202310.0334.v1 Bhardwaj, L.K. Occurrence of Microplastics (MPs) in Antarctica and Its Impact on the Health of Organisms. Preprints 2023, 2023100334. https://doi.org/10.20944/preprints202310.0334.v1

Abstract

Antarctica and its surrounding environment are considered untouched and thought that it is free from microplastics (MPs) pollution. However, recent studies and science projects have reported MPs in both water and sediment in the South Polar Regions. The reports state that the MP’s pollution occurs in this region due to fishing, tourism, and research activities by the nearby countries and nature's circulation is also part of it. The Antarctic Treaty System (ATS) has received attention on MP’s pollution and initiated research on it. MPs are tiny plastic particles with a size of less than 5 mm. It has two types, 1. Primary MPs have been manufactured directly for various applications like cosmetics and scrubbing etc 2. The secondary MPs are generated by photochemical degradation of large plastics.Although several studies have been done there is a quite gap in our understanding of the concentration, characteristics, and impact of plastics on the ecosystem of the Antarctic Region. The impact of MP’s pollution in this region may be very high. The presence of MP is a serious issue that is affecting not only the aquatic environment but also humans. It is an alarming situation that causes environmental damage. The main objective of this paper is to review MP's introduction, occurrence, sources, harmful effects, and detection methods. This review highlighted the various methodologies and analyses like density separation, microscope observation of MP’s properties Fourier-transform infrared spectroscopy (FTIR), and Raman spectrometer respectively, and urged for more research in the future and gave several recommendations to maintain the pristine region near Antarctica.

Keywords

South Polar Region; Antarctica; Microplastics (MPs); Density Separation; Fourier-Transform Infrared Spectroscopy (FTIR)

Subject

Environmental and Earth Sciences, Environmental Science

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