TEMPORAL AND SPATIAL DISTRIBUTION CHARACTERISTICS AND ECOLOGICAL RISK ASSESSMENT OF NUTRIENTS AND ANTIBIOTICS IN URBAN ARTIFICIAL LAKES

CHI Shanqing; LIN Caiqiang; WU Ligui; ZOU Xiaoming; HUANG Xiangfeng; ZHANG Haiping; XIE Rongrong; LI Jiabing; WU Qiaofeng; LIU Jia

doi:10.13205/j.hjgc.202401005

Volume 42 Issue 1

Jan. 2024

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CHI Shanqing, LIN Caiqiang, WU Ligui, ZOU Xiaoming, HUANG Xiangfeng, ZHANG Haiping, XIE Rongrong, LI Jiabing, WU Qiaofeng, LIU Jia. TEMPORAL AND SPATIAL DISTRIBUTION CHARACTERISTICS AND ECOLOGICAL RISK ASSESSMENT OF NUTRIENTS AND ANTIBIOTICS IN URBAN ARTIFICIAL LAKES[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(1): 29-36. doi: 10.13205/j.hjgc.202401005

Citation:

CHI Shanqing, LIN Caiqiang, WU Ligui, ZOU Xiaoming, HUANG Xiangfeng, ZHANG Haiping, XIE Rongrong, LI Jiabing, WU Qiaofeng, LIU Jia. TEMPORAL AND SPATIAL DISTRIBUTION CHARACTERISTICS AND ECOLOGICAL RISK ASSESSMENT OF NUTRIENTS AND ANTIBIOTICS IN URBAN ARTIFICIAL LAKES[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(1): 29-36. doi: 10.13205/j.hjgc.202401005

Citation:

CHI Shanqing, LIN Caiqiang, WU Ligui, ZOU Xiaoming, HUANG Xiangfeng, ZHANG Haiping, XIE Rongrong, LI Jiabing, WU Qiaofeng, LIU Jia. TEMPORAL AND SPATIAL DISTRIBUTION CHARACTERISTICS AND ECOLOGICAL RISK ASSESSMENT OF NUTRIENTS AND ANTIBIOTICS IN URBAN ARTIFICIAL LAKES[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(1): 29-36. doi: 10.13205/j.hjgc.202401005

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TEMPORAL AND SPATIAL DISTRIBUTION CHARACTERISTICS AND ECOLOGICAL RISK ASSESSMENT OF NUTRIENTS AND ANTIBIOTICS IN URBAN ARTIFICIAL LAKES

doi: 10.13205/j.hjgc.202401005

1. Fuzhou Urban and Rural Construction Group Co., Ltd., Fuzhou 350001, China;
2. College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China;
3. School of Life Science, Jinggangshan University, Ji'an 343009, China;
4. College of Environmental Science and Engineering, Fujian Normal University, Fuzhou 350007, China

Received Date: 2023-09-27
Available Online: 2024-04-29

Abstract

Abstract

This study implemented a comprehensive one-year monitoring program to assess the levels of nutrients and antibiotics in both surface water and sediments across diverse locations within Jin'an Lake in Fuzhou. The investigation was primarily directed towards scrutinizing the nuanced spatiotemporal variations induced by conventional pollutants and emerging contaminants, coupled with evaluating the associated ecological risks. The findings unveiled that the total nitrogen concentration in the lake's surface water consistently maintained an elevated status throughout the year(1.88 to 4.96 mg/L), while total phosphorus exhibited heightened concentration during the summer(0.15 to 0.55 mg/L), indicating a state of moderate eutrophication(with a trophic level index ranging from 59.92 to 66.34) during this season. The sediment analysis indicated a total nitrogen content ranging from 30.0 to 1780.0 mg/kg and a total phosphorus content ranging from 81.4 to 2585.0 mg/kg, signifying a condition of moderate to severe eutrophication pollution level. Notably, five antibiotics(sulfamethoxazole, tetracycline, sulfadimoxine, sulfamethoxymethane, and tylosin) were discerned in both surface water and sediments, exhibiting concentrations spanning from 0.49 to 13.03 ng/L and 0.23 to 4.80 ng/g, respectively. The concentrations of antibiotics and associated ecological risks manifested a seasonal disparity, with higher levels observed in winter than in other seasons. Considering the potential co-occurrence of eutrophication and ecological risk within urban artificial lakes, prudent consideration of the spatiotemporal distribution characteristics of conventional pollutants and emerging contaminants is imperative. Moreover, the judicious selection of more productive technologies for the targeted remediation of composite pollution at critical sites emerges as a critical imperative.
- artificial lake,
- overlying water,
- sediments,
- nutrients,
- antibiotics,
- ecological risk assessment

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References(38)

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