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Mid-Level Riverine Outflow Matters: A Case of Microplastic Transport in the Jiulong River, China

Frontiers in Marine Science 2021 25 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 40 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Fangzhu Wu, Fangzhu Wu, Fangzhu Wu, Fangzhu Wu, Fangzhu Wu, Yan Lin, Chunhui Wang, Chunhui Wang, Siguang Liu, Yongcheng Ding, Yongcheng Ding, Chunhui Wang, Chunhui Wang, Chunhui Wang, Yongcheng Ding, Yongcheng Ding, Yongcheng Ding, Yongcheng Ding, Yongcheng Ding, Yongcheng Ding, Yongcheng Ding, Yongcheng Ding, Yongcheng Ding, Siguang Liu, Mingyu Zhang, Yifan Li, Mengyang Liu, Mengyang Liu, Mengyang Liu, Wei Huang, Wei Huang, Wei Huang, Wei Huang, Wei Huang, Yongcheng Ding, Fangzhu Wu, Fangzhu Wu, Wei Huang, Yongcheng Ding, Chunhui Wang, Siguang Liu, Yongcheng Ding, Chunhui Wang, Chunhui Wang, Siguang Liu, Chunhui Wang, Chunhui Wang, Yan Lin, Yan Lin, Yan Lin, Yan Lin, Yan Lin, Fangzhu Wu, Fangzhu Wu, Fangzhu Wu, Fangzhu Wu, Fangzhu Wu, Fangzhu Wu, Wei Huang, Wei Huang, Wei Huang, Wei Huang, Wei Huang, Wei Huang, Wei Huang, Wei Huang, Wei Huang, Wei Huang, Mengyang Liu, Mengyang Liu, Mengyang Liu, Mengyang Liu, Mengyang Liu, Mengyang Liu, Mengyang Liu, Kai Chen, Siguang Liu, Siguang Liu, Yongcheng Ding, Yongcheng Ding, Yongcheng Ding, Yongcheng Ding, Yifan Li, Yongcheng Ding, Yongcheng Ding, Yongcheng Ding, Wei Huang, Mengyang Liu, Chunhui Wang, Yongcheng Ding, Wei Huang, Yan Lin, Yongcheng Ding, Wei Huang, Kai Chen, Mengyang Liu, Yifan Li, Wei Huang, Fangzhu Wu, Wei Huang, Wei Huang, Yongcheng Ding, Fangzhu Wu, Wei Huang, Yongcheng Ding, Yongcheng Ding, Yongcheng Ding, Chunhui Wang, Mengyang Liu, Yongcheng Ding, Mengyang Liu, Wei Huang, Yongcheng Ding, Chunhui Wang, Yongcheng Ding, Wei Huang, Yongcheng Ding, Minggang Cai, Yongcheng Ding, Minggang Cai, Yongcheng Ding, Kai Chen, Yongcheng Ding, Minggang Cai Minggang Cai Minggang Cai Minggang Cai Minggang Cai Yongcheng Ding, Yongcheng Ding, Wei Huang, Minggang Cai, Wei Huang, Yongcheng Ding, Yongcheng Ding, Yongcheng Ding, Yongcheng Ding, Yongcheng Ding, Wei Huang, Yongcheng Ding, Wei Huang, Yongcheng Ding, Mingyu Zhang, Mengyang Liu, Yongcheng Ding, Wei Huang, Mingyu Zhang, Mingyu Zhang, Wei Huang, Wei Huang, Mengyang Liu, Wei Huang, Wei Huang, Yongcheng Ding, Mingyu Zhang, Wei Huang, Minggang Cai Yongcheng Ding, Yan Lin, Chunhui Wang, Kai Chen, Minggang Cai Yongcheng Ding, Mengyang Liu, Hongwei Ke, Kai Chen, Mengyang Liu, Mengyang Liu, Minggang Cai, Yongcheng Ding, Wei Huang, Yan Lin, Yongcheng Ding, Minggang Cai, Kai Chen, Linghao Lou, Minggang Cai Linghao Lou, Wei Huang, Fengjiao Liu, Kai Chen, Minggang Cai, Yongcheng Ding, Wei Huang, Wei Huang, Yongcheng Ding, Wei Huang, Kai Chen, Wei Huang, Fengjiao Liu, Fengjiao Liu, Yongcheng Ding, Kai Chen, Yan Lin, Yongcheng Ding, Fangzhu Wu, Fangzhu Wu, Wei Huang, Wei Huang, Wei Huang, Wei Huang, Minggang Cai, Wei Huang, Wei Huang, Minggang Cai, Minggang Cai, Wei Huang, Wei Huang, Wei Huang, Wei Huang, Wei Huang, Hongwei Ke, Hongwei Ke, Hongwei Ke, Hongwei Ke, Minggang Cai Minggang Cai Minggang Cai Yongcheng Ding, Chunhui Wang, Hongwei Ke, Yan Lin, Hongwei Ke, Wei Huang, Wei Huang, Wei Huang, Mengyang Liu, Fangzhu Wu, Hongwei Ke, Chunhui Wang, Yan Lin, Fengjiao Liu, Wei Huang, Yongcheng Ding, Yongcheng Ding, Hongwei Ke, Mengyang Liu, Yifan Li, Wei Huang, Yongcheng Ding, Hongwei Ke, Minggang Cai Yan Lin, Fengjiao Liu, Fengjiao Liu, Wei Huang, Hongwei Ke, Chunhui Wang, Yan Lin, Yongcheng Ding, Chunhui Wang, Wei Huang, Minggang Cai, Yongcheng Ding, Yongcheng Ding, Kai Chen, Hongwei Ke, Fangzhu Wu, Kai Chen, Hongwei Ke, Hongwei Ke, Minggang Cai, Mengyang Liu, Wei Huang, Fengjiao Liu, Fengjiao Liu, Wei Huang, Linghao Lou, Minggang Cai, Siguang Liu, Siguang Liu, Wei Huang, Wei Huang, Wei Huang, Yan Lin, Minggang Cai Minggang Cai Siguang Liu, Chunhui Wang, Chunhui Wang, Siguang Liu, Chunhui Wang, Chunhui Wang, Chunhui Wang, Linghao Lou, Wei Huang, Yan Lin, Fengjiao Liu, Mengyang Liu, Minggang Cai Yongcheng Ding, Minggang Cai, Hongwei Ke, Wei Huang, Yongcheng Ding, Wei Huang, Wei Huang, Minggang Cai Linghao Lou, Chunhui Wang, Mingyu Zhang, Wei Huang, Hongwei Ke, Minggang Cai, Linghao Lou, Wei Huang, Chunhui Wang, Fengjiao Liu, Fengjiao Liu, Chunhui Wang, Minggang Cai, Minggang Cai

Summary

Researchers found that the mid-sized Jiulong River in China exports substantial quantities of microplastics to coastal environments via riverine outflow, with sampling by both trawling and pumping methods revealing that smaller rivers are meaningful contributors to marine plastic loads.

Polymers

PE PET PP

Study Type Environmental

Riverine outflow is one of the major pathways for microplastic transportation to coastal environments. Research on the output of microplastics in small- or medium-sized rivers will help accurately understand the status of their marine loads. In this study, we used both trawling and pumping methods to collect microplastics of different sizes in the Jiulong River Estuary and Xiamen Bay. We found that the abundance of small microplastics (44 μm–5.0 mm) was at least 20 times higher than the large particles (0.33–5.0 mm). The abundance of the large particles ranges from 4.96 to 16.3 particles/m 3 , and that of the small particles ranged from 82.8 to 918 particles/m 3 . Granule was the dominant shape (&gt;60%), and polyethylene (PE), polypropylene (PP), and polyethylene terephthalate (PET) were the most common components. The riverine flux of small microplastics (44 μm–5 mm, 472 ± 230 t/y) was at a medium level and was eight times greater than that of large particles (0.33–5.0 mm, 61.2 ± 2.6 t/y). The behavior of the large microplastics was relatively conservative, whose abundance had a significant correlation with salinity ( R 2 = 0.927) and was mainly influenced by physical factors. In contrast, results of statistical analysis revealed that more complicated factors influenced the small microplastics.

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