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An assessment of microplastics threat to the marine environment: A short review in context of the Arabian/Persian Gulf.
Marine Environmental Research ( IF 3.3 ) Pub Date : 2020-03-23 , DOI: 10.1016/j.marenvres.2020.104961
S M Al-Salem 1 , Saif Uddin 1 , F Al-Yamani 1
Affiliation  

Microplastics are recognised as a (persistent) pollutant and are believed to be ubiquitous in the marine environment. The importance of this issue is evident from the large number of technical publications and research efforts within the past decade. However, the Arabian (Persian) Gulf region has few reported datasets in spite of being an area with excessive plastic use and a hefty generation rate of plastic solid waste. This communication aims at stimulating a discussion on this topic focusing on the available regional and international datasets, along with the environmental conditions that are likely to contribute to the disintegration and transport of the plastic debris rendering it as microplastic. This work also highlights some of the constraints in sampling techniques, identification methods, and the reported units of microplastics. Most studies employ neuston nets of variable dimensions that samples different thicknesses of surface water, which also posses a major constraint in standardising field sample collection. Extrapolation of a trawl to units such as particles.km-2 without considering the fact that neuston nets collect three-dimensional samples, is also another aspect discussed in this communication. This study also intends to initiate a discussion on standardising the practices across the region to enable an intercomparison of the reported data. In addition, it calls for a comprehensive assessment using the standardized methodology for putting a mitigation plan for microplastics as a potential threat detected in environmental sinks.

中文翻译:

评估微塑料对海洋环境的威胁:以阿拉伯/波斯湾为背景的简短回顾。

微塑料被认为是(持久性)污染物,被认为在海洋环境中无处不在。从过去十年中大量的技术出版物和研究工作可以明显看出这个问题的重要性。但是,阿拉伯(波斯)海湾地区尽管有大量的塑料使用和大量的塑料固体废物产生地区,但几乎没有报告的数据集。本交流旨在激发有关此主题的讨论,重点是可用的区域和国际数据集,以及可能导致塑料碎片崩解和运输(使其变成微塑性)的环境条件。这项工作还强调了采样技术,识别方法和所报告的微塑料单位方面的一些限制。大多数研究都使用可变尺寸的神经网络,对不同厚度的地表水进行采样,这在标准化野外采样方面也有很大的限制。在不考虑神经网络收集三维样本这一事实的情况下,将拖网外推到诸如particles.km-2之类的单元,也是本通讯中讨论的另一方面。这项研究还打算就标准化整个地区的做法进行讨论,以使报告的数据能够相互比较。此外,它要求使用标准化方法进行全面评估,以制定针对塑料的缓解计划,以作为在环境汇中检测到的潜在威胁。这也对标准化现场样品收集提出了主要限制。在不考虑神经网络收集三维样本这一事实的情况下,将拖网外推到诸如particles.km-2之类的单元,也是本通讯中讨论的另一方面。这项研究还打算就标准化整个地区的做法进行讨论,以使报告的数据能够相互比较。此外,它要求使用标准化方法进行全面评估,以制定针对塑料的缓解计划,以作为在环境汇中检测到的潜在威胁。这也对标准化现场样品收集提出了主要限制。在不考虑神经网络收集三维样本这一事实的情况下,将拖网外推至诸如particles.km-2之类的单元,也是本通讯中讨论的另一方面。这项研究还打算就标准化整个地区的做法进行讨论,以实现报告数据的相互比较。此外,它要求使用标准化方法进行全面评估,以制定针对塑料的缓解计划,以作为在环境汇中检测到的潜在威胁。这项研究还打算就标准化整个地区的做法进行讨论,以使报告的数据能够相互比较。此外,它要求使用标准化方法进行全面评估,以制定针对塑料的缓解计划,以作为在环境汇中检测到的潜在威胁。这项研究还打算就标准化整个地区的做法进行讨论,以使报告的数据能够相互比较。此外,它要求使用标准化方法进行全面评估,以制定针对塑料的缓解计划,以作为在环境汇中检测到的潜在威胁。
更新日期:2020-03-26
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