Distribution of PPCPs in rivers in Shenzhen and their ecological driving effects on phytoplankton bacteria

WANG Sike; LUO Shuncai; LIU Yuxin; PAN Zhicheng; ZUO Jian'e

doi:10.13205/j.hjgc.202508003

Volume 43 Issue 8

Aug. 2025

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WANG Sike, LUO Shuncai, LIU Yuxin, PAN Zhicheng, ZUO Jian'e. Distribution of PPCPs in rivers in Shenzhen and their ecological driving effects on phytoplankton bacteria[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(8): 40-48. doi: 10.13205/j.hjgc.202508003

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WANG Sike, LUO Shuncai, LIU Yuxin, PAN Zhicheng, ZUO Jian'e. Distribution of PPCPs in rivers in Shenzhen and their ecological driving effects on phytoplankton bacteria[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(8): 40-48. doi: 10.13205/j.hjgc.202508003

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Distribution of PPCPs in rivers in Shenzhen and their ecological driving effects on phytoplankton bacteria

doi: 10.13205/j.hjgc.202508003

WANG Sike¹,
LUO Shuncai^1,2,
LIU Yuxin²,
PAN Zhicheng^{1,3
,
,},
ZUO Jian'e^2,4

1. School of Materials and Environmental Engineering, Shenzhen Polytechnic University, Shenzhen 518055, China;
2. Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China;
3. Haitian Water Group Co., Ltd., Chengdu 610095, China;
4. State Key Joint Laboratory of Environmental Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, China

Received Date: 2025-04-28
Accepted Date: 2025-07-09
Rev Recd Date: 2025-07-03

Abstract

Abstract

To assess the pollution characteristics of pharmaceuticals and personal care products （PPCPs） and their ecological effects in the highly urbanized rivers in Shenzhen， this study selected four typical urban rivers in the Shenzhen River Basin， namely the Shenzhen River， Buji River， Futian River， and Dasha River. The spatial and temporal distribution of 16 PPCPs was detected， the community structure of planktonic bacteria was analyzed， and the driving effects of PPCPs （on bacterial community） was examined. A total of 15 PPCPs were detected in the four rivers of Shenzhen， with a total average concentration of 1127.75 ng/L， range from 148.74 to 2427.4 ng/L. The concentration in the wet season （1518.27 ng/L） was significantly higher than that in the dry season （737.23 ng/L）， among which lincomycin and caffeine were the main pollutants. Among the four rivers， the Dasha River had relatively lower PPCPs concentrations. The planktonic bacterial community in the rivers of Shenzhen was dominated by Proteobacteria （average relative abundance： 38.7%） and Bacteroidetes （21.3%）. The Shenzhen River exhibited the highest species richness， and there were significant differences in planktonic bacterial community compositions among different rivers， whereas no significant differences were observed in the planktonic bacterial community compositions between the wet season and dry season for the same river. Redundancy analysis revealed that in the wet season， roxithromycin， clarithromycin， ciprofloxacin， atenolol， and caffeine significantly drove the structure of river bacterial communities； in the dry season， however， caffeine and atenolol were the main driving factors. These results indicate that PPCPs pollution in the Shenzhen River Basin potentially affects the structure of river microbial communities and their ecological functions. Therefore， dynamic monitoring and risk management of emerging pollutants in the basin should be strengthened.
- PPCPs,
- spatial and temporal distribution,
- phytoplankton bacteria,
- ecological driving,
- Shenzhen River Basin

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References(28)

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