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Microplastic pollution around remote uninhabited coral reefs of Nansha Islands, South China Sea

The Science of The Total Environment 2020 125 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 45 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Lang Lin, Xiang‐Rong Xu Xiang‐Rong Xu Lei Huang, Lang Lin, Hengxiang Li, Lang Lin, Lei Huang, Lei Huang, Xiang‐Rong Xu Lang Lin, Fei Tan, Zhou Fang, Lang Lin, Xiyang Zhang, Lang Lin, Lang Lin, Lang Lin, Hongqiang Yang, Hengxiang Li, Xiyang Zhang, Xiang‐Rong Xu Hengxiang Li, Xiang‐Rong Xu Lang Lin, Lang Lin, Lang Lin, Hengxiang Li, Hengxiang Li, Hongqiang Yang, Hengxiang Li, Xiang‐Rong Xu Hengxiang Li, Xiang‐Rong Xu Lang Lin, Lang Lin, Lang Lin, Xiang‐Rong Xu Lang Lin, Lang Lin, Lang Lin, Hengxiang Li, Hengxiang Li, Hengxiang Li, Hengxiang Li, Hengxiang Li, Lang Lin, Hengxiang Li, Lang Lin, Hengxiang Li, Lang Lin, Hengxiang Li, Guan Wang, Qi Shi, Lei Huang, Lang Lin, Lei Huang, Lang Lin, Lang Lin, Xiang‐Rong Xu Lang Lin, Lang Lin, Lang Lin, Lang Lin, Lang Lin, Lang Lin, Lang Lin, Lang Lin, Lang Lin, Lang Lin, Lang Lin, Lang Lin, Lang Lin, Lang Lin, Lang Lin, Hengxiang Li, Hengxiang Li, Hengxiang Li, Hengxiang Li, Lang Lin, Lang Lin, Lang Lin, Xiang‐Rong Xu Xiang‐Rong Xu Lang Lin, Xiang‐Rong Xu Lang Lin, Zhou Fang, Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Hengxiang Li, Huilong Xu, Xiang‐Rong Xu Lang Lin, Lang Lin, Lang Lin, Huilong Xu, Xiang‐Rong Xu Lang Lin, Hengxiang Li, Xiang‐Rong Xu Hengxiang Li, Hengxiang Li, Lang Lin, Xiang‐Rong Xu Hengxiang Li, Xiyang Zhang, Lang Lin, Lang Lin, Xiyang Zhang, Xiyang Zhang, Xiang‐Rong Xu Xiang‐Rong Xu Lang Lin, Xiang‐Rong Xu Hengxiang Li, Hengxiang Li, Xiang‐Rong Xu Xiang‐Rong Xu Qi Shi, Lang Lin, Lang Lin, Hengxiang Li, Hengxiang Li, Hengxiang Li, Lang Lin, Xiang‐Rong Xu Xiyang Zhang, Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Hengxiang Li, Xiang‐Rong Xu Guan Wang, Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Lang Lin, Xiang‐Rong Xu Xiang‐Rong Xu Xiang‐Rong Xu Lang Lin, Shengnan Zhou, Xiang‐Rong Xu Xiang‐Rong Xu Hengxiang Li, Shengnan Zhou, Lei Huang, Xiang‐Rong Xu Hengxiang Li, Xiang‐Rong Xu

Summary

Microplastics were detected in surface waters surrounding remote uninhabited coral reefs in the South China Sea's Nansha Islands, with polypropylene and polyethylene fibers from fishing gear likely the dominant source. Although concentrations were relatively low compared to coastal areas, the authors stress that even remote reef ecosystems are not protected from plastic contamination.

Polymers
Study Type Environmental

Microplastic (MP) pollution is a growing environmental problem in the global oceans. However, there is relatively little evidence of the extent of MP pollution around remote islands, such as coral reefs, in the open ocean. In this study, we conducted a large-scale investigation of MP pollution in the surface waters around the remote uninhabited coral reefs of Nansha Islands in South China Sea. Microplastics were widespread in the surface waters with an average abundance of 0.0556 ± 0.0355 items/m, although this varied among the coral reefs. The MPs were predominantly composed of polypropylene (PP) and polyethylene (PE), and > 70% of them were <3 mm in size. Fragments and fibers comprised the most common MP types. The similarity between macro plastic and MP compositions provided evidence for the tracing of MP sources in the study area. The main pollutants (transparent PP fibers and PE fibers) around these remote coral reefs may originate from fishing gear abrasions. The plastic waste released from nearby residential islands and high-intensity fishing activities around Nansha Islands likely represented important local sources. Overall, the abundance of MPs found in the surface waters surrounding these remote coral reefs in the South China Sea was relatively low; however, these levels of MP pollution should not be disregarded given the importance of coral reef ecosystems.

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