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Wang X, Tang X, Zhu M, Liu Z, Wang G. Predicting abrupt depletion of dissolved oxygen in Chaohu lake using CNN-BiLSTM with improved attention mechanism. WATER RESEARCH 2024; 261:122027. [PMID: 39018904 DOI: 10.1016/j.watres.2024.122027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 06/25/2024] [Accepted: 06/30/2024] [Indexed: 07/19/2024]
Abstract
Depletion of dissolved oxygen (DO) is a significant incentive for biological catastrophic events in freshwater lakes. Although predicting the DO concentrations in lakes with high-frequency real-time data to prevent hypoxic events is effective, few related experimental studies were made. In this study, a short-term predicting model was developed for DO concentrations in three problematic areas in China's Chaohu Lake. To predict the DO concentrations at these representative sites, which coincide with biological abnormal death areas, water quality indicators at the three sampling sites and hydrometeorological features were adopted as input variables. The monitoring data were collected every 4 h between 2020 and 2023 and applied separately to train and test the model at a ratio of 8:2. A new AC-BiLSTM coupling model of the convolution neural network (CNN) and the bidirectional long short-term memory (BiLSTM) with the attention mechanism (AM) was proposed to tackle characteristics of discontinuous dynamic change of DO concentrations in long time series. Compared with the BiLSTM and CNN-BiLSTM models, the AC-BiLSTM showed better performance in the evaluation criteria of MSE, MAE, and R2 and a stronger ability to capture global dependency relationships. Although the prediction accuracy of hypoxic events was slightly worse, the general time series characteristics of abrupt DO depletion were captured. Water temperature regularly affects DO concentrations due to its periodic variations. The high correlation and the universal importance of total nitrogen (TN) and total phosphorus (TP) with DO reveals that point source pollution are critical cause of DO depletion in the freshwater lake. The importance of NTU at the Zhong Miao Station indicates the self-purification capacity of the lake is affected by the flow rate changes brought by the tributaries. Calculating linear correlations of variables in conjunction with a permutation variable importance analysis enhanced the interpretability of the proposed model results. This study demonstrates that the AC-BiLSTM model can complete the task of short-term prediction of DO concentration of lakes and reveal its response features of timing and magnitude of abrupt DO depletion.
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Affiliation(s)
- Xiaoyu Wang
- College of Engineering, Anhui Agricultural University, Hefei 230061, PR China.
| | - Xiaoyi Tang
- College of Engineering, Anhui Agricultural University, Hefei 230061, PR China
| | - Mei Zhu
- College of Engineering, Anhui Agricultural University, Hefei 230061, PR China
| | - Zhennan Liu
- Guizhou Institute of Technology, Guiyang 550003, PR China
| | - Guoqing Wang
- State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Nanjing Hydraulic Research Institute, Nanjing 210029, PR China
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2
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Si W, Xu J, Liu G, Wang G, Zhang M. Distribution, source identification, water quality, and risk assessment of trace elements in the surface-groundwater-sediments multifunctional system in Guohe River Basin. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 361:121266. [PMID: 38815423 DOI: 10.1016/j.jenvman.2024.121266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 05/24/2024] [Accepted: 05/26/2024] [Indexed: 06/01/2024]
Abstract
Within the Huaihe River Basin, Guohe River, as its second-largest tributary, serves as a critical water supply source. Recent industrial and agricultural advancements have led to increased trace element contamination, adversely impacting the water quality within Guohe River Basin. Therefore, this study aimed to investigate the distribution characteristics, sources, water quality and risk assessment of trace elements in the surface water, groundwater, and sediments across the basin. The results showed that the spatial distribution of trace elements in the surface water and groundwater of Guohe River Basin was that most of the high concentrations appeared in Qiaocheng District of Bozhou City, the mean concentration of Fe in Guohe River sediments was the highest, the mean concentration of Sb was the lowest. The PMF source analysis results showed that the main source of trace elements in Guohe River Basin was natural geological processes, followed by human activities. The sodium adsorption ratio (SAR) indicated that the surface water samples of Guohe River in two seasons had high sodium and salinity hazards. The water quality index (WQI) showed that surface water and groundwater samples in the northwestern of Guohe River Basin had poor water quality. The results of the risk assessment showed that As and Mn posed great ecological risks to surface water and groundwater, respectively, and that F- was the pollutant with the most potential health risk hazard in the basin. The Geo-accumulation index (Igeo) results showed that Cd, Se and As should be taken seriously as the main contaminants of the sediments in Guohe River Basin. KEYWARDS: Trace elements; Source analysis; Sodium adsorption ratio; Water quality index; Risk assessment; Geo-accumulation index.
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Affiliation(s)
- Wen Si
- CAS Key Laboratory of Crust-Mantle Materials and Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Jinzhao Xu
- CAS Key Laboratory of Crust-Mantle Materials and Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Guijian Liu
- CAS Key Laboratory of Crust-Mantle Materials and Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui, 230026, China.
| | - Guanyu Wang
- CAS Key Laboratory of Crust-Mantle Materials and Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Mingzhen Zhang
- CAS Key Laboratory of Crust-Mantle Materials and Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui, 230026, China; Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei, 230026, China
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3
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Islam MS, Islam MT, Antu UB, Saikat MSM, Ismail Z, Shahid S, Islam ARMT, Ali MM, Al Bakky A, Ahmed S, Ibrahim KA, Al-Qthanin RN, Idris AM. Contamination and ecological risk assessment of Cr, As, Cd and Pb in water and sediment of the southeastern Bay of Bengal coast in a developing country. MARINE POLLUTION BULLETIN 2023; 197:115720. [PMID: 37939519 DOI: 10.1016/j.marpolbul.2023.115720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 10/18/2023] [Accepted: 10/24/2023] [Indexed: 11/10/2023]
Abstract
Safe levels of heavy metals in the surface water and sediment of the eastern Bay of Bengal coast have not been universally established. Current study characterized heavy metals such as arsenic (As), chromium (Cr), cadmium (Cd) and lead (Pb) in surface water and sediments of the most important fishing resource at the eastern Bay of Bengal coast, Bangladesh. Both water and sediment samples were analyzed using inductively coupled plasma mass spectrometer. Considering both of the seasons, the mean concentrations of Cr, As, Cd, and Pb in water samples were 33.25, 8.14, 0.48, and 21.14 μg/L, respectively and in sediment were 30.47, 4.48, 0.20, and 19.98 mg/kg, respectively. Heavy metals concentration in water samples surpassed the acceptable limits of usable water quality, indicating that water from this water resource is not safe for drinking, cooking, bathing, and any other uses. Enrichment factors also directed minor enrichment of heavy metals in sediment of the coast. Other indexes for ecological risk assessment such as pollution load index (PLI), contamination factor (CF), geoaccumulation index (Igeo), modified contamination degree (mCd), and potential ecological risk index (PERI) also indicated that sediment of the coastal watershed was low contamination. In-depth inventorying of heavy metals in both water and sediment of the study area are required to determine ecosystem health for holistic risk assessment and management.
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Affiliation(s)
- Md Saiful Islam
- Department of Soil Science, Patuakhali Science and Technology University, Patuakhali 8602, Bangladesh.
| | - Md Towhidul Islam
- Department of Soil Science, Patuakhali Science and Technology University, Patuakhali 8602, Bangladesh
| | - Uttam Biswas Antu
- Department of Soil Science, Patuakhali Science and Technology University, Patuakhali 8602, Bangladesh
| | - Md Sadik Mahmud Saikat
- Department of Soil Science, Patuakhali Science and Technology University, Patuakhali 8602, Bangladesh
| | - Zulhilmi Ismail
- Centre for River and Coastal Engineering (CRCE), Universiti Teknologi Malaysia (UTM), 81310 Johor Bahru, Malaysia; School of Civil Engineering, Faculty of Engineering, Universiti Teknologi Malaysia (UTM), 81310 Johor Bahru, Malaysia.
| | - Shamsuddin Shahid
- Centre for River and Coastal Engineering (CRCE), Universiti Teknologi Malaysia (UTM), 81310 Johor Bahru, Malaysia; School of Civil Engineering, Faculty of Engineering, Universiti Teknologi Malaysia (UTM), 81310 Johor Bahru, Malaysia
| | - Abu Reza Md Towfiqul Islam
- Department of Disaster Management, Begum Rokeya University, Rangpur, Bangladesh; Department of Development Studies, Daffodil International University, Dhaka 1216, Bangladesh
| | - Mir Mohammad Ali
- Department of Aquaculture, Sher-e-Bangla Agricultural University, Dhaka 1207, Bangladesh
| | - Abdullah Al Bakky
- Agriculture Wing, Bangladesh Jute Research Institute, Dhaka 1207, Bangladesh
| | - Sujat Ahmed
- Environment, Center for People & Environ (CPE), Dhaka 1207, Bangladesh
| | - Khalid A Ibrahim
- Department of Biology, College of Science, King Khalid University, Abha 62529, Saudi Arabia; Center for Environment and Tourism Studies and Research, King Khalid University, Abha 62529, Saudi Arabia
| | - Rahmah N Al-Qthanin
- Department of Biology, College of Science, King Khalid University, Abha 62529, Saudi Arabia; Center for Environment and Tourism Studies and Research, King Khalid University, Abha 62529, Saudi Arabia
| | - Abubakr M Idris
- Department of Chemistry, College of Science, King Khalid University, Abha 62529, Saudi Arabia; Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha 62529, Saudi Arabia.
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Licen S, Astel A, Tsakovski S. Self-organizing map algorithm for assessing spatial and temporal patterns of pollutants in environmental compartments: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 878:163084. [PMID: 36996982 DOI: 10.1016/j.scitotenv.2023.163084] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 02/23/2023] [Accepted: 03/22/2023] [Indexed: 05/13/2023]
Abstract
The evaluation of the spatial and temporal distribution of pollutants is a crucial issue to assess the anthropogenic burden on the environment. Numerous chemometric approaches are available for data exploration and they have been applied for environmental health assessment purposes. Among the unsupervised methods, Self-Organizing Map (SOM) is an artificial neural network able to handle non-linear problems that can be used for exploratory data analysis, pattern recognition, and variable relationship assessment. Much more interpretation ability is gained when the SOM-based model is merged with clustering algorithms. This review comprises: (i) a description of the algorithm operation principle with a focus on the key parameters used for the SOM initialization; (ii) a description of the SOM output features and how they can be used for data mining; (iii) a list of available software tools for performing calculations; (iv) an overview of the SOM application for obtaining spatial and temporal pollution patterns in the environmental compartments with focus on model training and result visualization; (v) advice on reporting SOM model details in a paper to attain comparability and reproducibility among published papers as well as advice for extracting valuable information from the model results is presented.
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Affiliation(s)
- Sabina Licen
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, 34127 Trieste, Italy.
| | - Aleksander Astel
- Department of Environmental Chemistry, Pomeranian University in Słupsk, ul. Arciszewskiego 22b, 76-200, Słupsk, Poland.
| | - Stefan Tsakovski
- Chair of Analytical Chemistry, Faculty of Chemistry and Pharmacy, University of Sofia "St. Kliment Ohridski", 1 J. Bourchier Blvd., Sofia 1164, Bulgaria.
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He M, Liu G, Li Y, Zhou L, Arif M, Liu Y. Spatial-temporal distribution, source identification, risk assessment and water quality assessment of trace elements in the surface water of typical tributary in Yangtze River delta, China. MARINE POLLUTION BULLETIN 2023; 192:115035. [PMID: 37209661 DOI: 10.1016/j.marpolbul.2023.115035] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 05/02/2023] [Accepted: 05/05/2023] [Indexed: 05/22/2023]
Abstract
As China's first cross-province ecological compensation mechanism pilot area in the hinterland of the Yangtze River Delta, Xin'an River has been hotspot in the study of rational utilization of ecological resources, and the functional value of its ecosystem services has been widely concerned. As an important tributary of the upper reaches of Xin'an River, Fengle River may affect the whole basin. The spatial-temporal distributions, occurrence, water quality and risk assessment of trace elements were studied in Fengle River in three seasons. High element concentrations were found in the downstream. Traceability models results showed that the major sources of trace elements were related to different human activities. The water quality was worse downstream in the wet season, and was more suitable for irrigation in the dry season. Risk assessment results showed that Zn, Cu, Mn, Co, and As were able to pose the risk to the ecological environment and human.
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Affiliation(s)
- Miao He
- CAS Key Laboratory of Crust-Mantle Materials and Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China; State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, The Chinese Academy of Sciences, Xi'an, Shaanxi 710075, China
| | - Guijian Liu
- CAS Key Laboratory of Crust-Mantle Materials and Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China; State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, The Chinese Academy of Sciences, Xi'an, Shaanxi 710075, China.
| | - Yongli Li
- CAS Key Laboratory of Crust-Mantle Materials and Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China; State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, The Chinese Academy of Sciences, Xi'an, Shaanxi 710075, China
| | - Li Zhou
- CAS Key Laboratory of Crust-Mantle Materials and Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China; State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, The Chinese Academy of Sciences, Xi'an, Shaanxi 710075, China
| | - Muhammad Arif
- CAS Key Laboratory of Crust-Mantle Materials and Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China; State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, The Chinese Academy of Sciences, Xi'an, Shaanxi 710075, China
| | - Yuan Liu
- Department of Pediatrics, New York University Grossman School of Medicine, New York, NY 10016, United States
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6
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Spatial and temporal distribution characteristics of antibiotics and heavy metals in the Yitong River basin and ecological risk assessment. Sci Rep 2023; 13:4202. [PMID: 36918716 PMCID: PMC10015007 DOI: 10.1038/s41598-023-31471-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Accepted: 03/13/2023] [Indexed: 03/15/2023] Open
Abstract
Due to rapid socioeconomic development, antibiotic pollution and heavy metal pollution are receiving increasing amounts of attention. Both antibiotics and heavy metals in the environment are persistent and toxic, and the interactions between the pollutants create potential long-term hazards for the ecological environment and human health as mixed pollutants. In this study, the surface water of the Yitong River in Changchun was used as the research object, and the hazards associated with antibiotics and heavy metals in the surface water were assessed by analyzing the spatial and temporal distribution characteristics of antibiotics and heavy metals and by using ecological risk assessment and human health risk assessment models. The results showed that ofloxacin (OFL) and norfloxacin (NOR) varied seasonally according to the seasonal climate, with total concentrations ranging from 17.65 to 902.47 ng/L and ND to 260.49 ng/L for OFL and NOR, respectively, and from 8.30 to 120.40 μg/L, 1.52 to 113.41 μg/L and 0.03 to 0.04 μg/L for copper (Cu), zinc (Zn) and cadmium (Cd), respectively. In terms of spatial distribution, the concentration of antibiotics in the urban sections, which had intensive human activities, was higher than that in the suburban sections, while the concentration of heavy metals in the suburban sections, which had intensive agricultural operations, was greater than that in the urban section. Ecological risk evaluation showed that NOR and OFL were present in the water bodies at a high-risk level, Cd was at a low pollution level, and the heavy metal Cd was the primary pollutant associated with health risks toward for adults and children, and it was mainly at a medium risk level. Additionally, both antibiotics and heavy metals posed higher health risks for children than for adults.
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Carafa R, Gallé T, Massarin S, Huck V, Bayerle M, Pittois D, Braun C. Combining Polar Organic Chemical Integrative Samplers (POCIS) with Toxicity Testing on Microalgae to Evaluate the Impact of Herbicide Mixtures in Surface Waters. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2022; 41:2667-2678. [PMID: 35959884 PMCID: PMC9826030 DOI: 10.1002/etc.5461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 05/27/2022] [Accepted: 08/04/2022] [Indexed: 06/15/2023]
Abstract
Pesticide risk assessment within the European Union Water Framework Directive is largely deficient in the assessment of the actual exposure and chemical mixture effects. Pesticide contamination, in particular herbicidal loading, has been shown to exert pressure on surface waters. Such pollution can have direct impact on autotrophic species, as well as indirect impacts on freshwater communities through primary production degradation. The present study proposes a screening method combining polar organic chemical integrative samplers (POCIS) with mode of action-specific toxicity testing on microalgae exposed to POCIS extracts as a standard approach to effectively address the problem of herbicide mixture effects detection. This methodology has been tested using Luxembourgish rivers as a case study and has proven to be a fast and reliable information source that is complementary to chemical analysis, allowing assessment of missing target analytes. Pesticide pressure in the 24 analyzed streams was mainly exerted by flufenacet, terbuthylazine, nicosulfuron, and foramsulfuron, with occasional impacts by the nonagricultural biocide diuron. Algae tests were more sensitive to endpoints affecting photosystem II and reproduction than to growth and could be best predicted with the concentration addition model. In addition, analysis revealed that herbicide mixture toxicity is correlated with macrophyte disappearance in the field, relating mainly to emissions from maize cultures. Combining passive sampler extracts with standard toxicity tests offers promising perspectives for ecological risk assessment. The full implementation of the proposed approach, however, requires adaptation of the legislation to scientific progress. Environ Toxicol Chem 2022;41:2667-2678. © 2022 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
| | - Tom Gallé
- Luxembourg Institute of Science and TechnologyEsch‐sur‐AlzetteLuxembourg
| | - Sandrine Massarin
- Luxembourg Institute of Science and TechnologyEsch‐sur‐AlzetteLuxembourg
| | - Viola Huck
- Luxembourg Institute of Science and TechnologyEsch‐sur‐AlzetteLuxembourg
| | - Michael Bayerle
- Luxembourg Institute of Science and TechnologyEsch‐sur‐AlzetteLuxembourg
| | - Denis Pittois
- Luxembourg Institute of Science and TechnologyEsch‐sur‐AlzetteLuxembourg
| | - Christian Braun
- Luxembourg Institute of Science and TechnologyEsch‐sur‐AlzetteLuxembourg
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Liao HW, Jiang ZC, Zhou H, Qin XQ, Huang QB, Zhong L, Pu ZG. Dissolved Heavy Metal Pollution and Assessment of a Karst Basin around a Mine, Southwest China. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph192114293. [PMID: 36361169 PMCID: PMC9654374 DOI: 10.3390/ijerph192114293] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 10/27/2022] [Accepted: 10/29/2022] [Indexed: 05/13/2023]
Abstract
Karst water quality is one of the most important environmental issues in karst areas. The study's purpose was to investigate dissolved heavy metal pollution and health risk assessment in karst water basins around mines. River water and groundwater samples were analyzed by principal component analysis, correlation analysis, water quality index, hazard quotient, and hazard index. Median concentrations of dissolved heavy metals in the Sidi River were similar to the world average with a slightly alkaline characteristic. The concentrations of most dissolved heavy metals in river water were higher than those in groundwater. The concentrations of Zn, Pb, and Cd around the mine exceeded the limits of drinking water indicators. The poor water quality samples with high water quality index values were distributed around the mine. Lead (Pb), Zn, As, Cd, and Cr were potentially threatening metals in the study area. The pollution level of dissolved heavy metals in the Sidi River was at a medium level compared with other rivers worldwide. Principal component analysis and correlation analysis showed that Cu, Pb, Zn, Cd, Mn, Fe, As, and Sr mainly came from mine drainage; Ca2+, Mg2+, and Cr mainly came from the contribution of carbonate rocks; Na+ and K+ were related to local human agricultural activities. The concentrations of dissolved heavy metals in groundwater were affected by karst aquifers. The results of this study can provide a data reference for water resources prevention and human health protection in the Sidi River's karst basin and similar karst basins.
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Affiliation(s)
- Hong-Wei Liao
- Key Laboratory of Geological Survey and Evaluation of Ministry of Education, China University of Geosciences, Wuhan 430074, China
- Institute of Karst Geology, Chinese Academy of Geological Sciences, Guilin 541004, China
- National Center for International Research on Karst Dynamic System and Global Change, Guilin 541004, China
| | - Zhong-Cheng Jiang
- Institute of Karst Geology, Chinese Academy of Geological Sciences, Guilin 541004, China
- National Center for International Research on Karst Dynamic System and Global Change, Guilin 541004, China
- International Research Centre on Karst under the Auspices of United Nations Educational, Scientific and Cultural Organization, Guilin 541004, China
- Correspondence: (Z.-C.J.); (H.Z.)
| | - Hong Zhou
- Key Laboratory of Geological Survey and Evaluation of Ministry of Education, China University of Geosciences, Wuhan 430074, China
- Correspondence: (Z.-C.J.); (H.Z.)
| | - Xiao-Qun Qin
- Institute of Karst Geology, Chinese Academy of Geological Sciences, Guilin 541004, China
- International Research Centre on Karst under the Auspices of United Nations Educational, Scientific and Cultural Organization, Guilin 541004, China
| | - Qi-Bo Huang
- Institute of Karst Geology, Chinese Academy of Geological Sciences, Guilin 541004, China
- National Center for International Research on Karst Dynamic System and Global Change, Guilin 541004, China
| | - Liang Zhong
- Institute of Karst Geology, Chinese Academy of Geological Sciences, Guilin 541004, China
- International Research Centre on Karst under the Auspices of United Nations Educational, Scientific and Cultural Organization, Guilin 541004, China
| | - Zheng-Gong Pu
- Institute of Karst Geology, Chinese Academy of Geological Sciences, Guilin 541004, China
- National Center for International Research on Karst Dynamic System and Global Change, Guilin 541004, China
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Li L, Wu J, Lu J, Li K, Zhang X, Min X, Gao C, Xu J. Water quality evaluation and ecological-health risk assessment on trace elements in surface water of the northeastern Qinghai-Tibet Plateau. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 241:113775. [PMID: 35716407 DOI: 10.1016/j.ecoenv.2022.113775] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 06/10/2022] [Accepted: 06/12/2022] [Indexed: 06/15/2023]
Abstract
The Qinghai-Tibet Plateau is a unique area with water sources for approximately 40 % of the population in the world. Water resources and water quality are closely associated with ecological security and human health. Fifty-one trace elements in surface water samples (n = 40) were measured, and water quality, health and ecological risks were assessed. Trace elements showed significant variations in different surface water bodies in the study area. Concentrations of minor elements were relatively high in saline and salt lakes while those of REEs varied from 0.05 to 33.62 μg/L with an average value of 3.80 μg/L. The Nemerow pollution index (NP) values of trace elements ranged from 0.08 to 3.48, with an average value of 0.36 in rivers, fresh lakes and reservoir water samples; The heavy metal pollution index (HPI) values ranged from 3.70 to 21.18, indicating that most samples were within the critical limit; The heavy metal evaluation index (HEI) values and degree of contamination (DC) values indicated a free pollution status. The water quality index (WQI) values showed that 96 % of the samples belonged to excellent status in rivers, fresh lakes and reservoir water samples. More attention should be given to the Cr, Zn and Hg in the study area according to potential ecological risk assessment. Hazard quotients for residential children in 30 sites exceed 1.0 with maximal value of 10.97, suggesting the high non-carcinogenic risks for children in the study area. U, Zr and Cr for the ingestion pathway, Cr and U for the dermal pathway were primary contributors to the total health risk. Carcinogenic risk values of trace elements for residential and recreational receptors were in the range of 3.20 × 10-5-7.38 × 10-3 and 8.62 × 10-6-3.63 × 10-3, respectively. The carcinogenic risk values of Cr in surface water were higher than the target risk of 1 × 10-4, while the carcinogenic risk values of As were below the target risk. The results of this study provided information on trace elements for human health protection and water management in the northeastern Qinghai-Tibet Plateau.
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Affiliation(s)
- Leiming Li
- Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, China
| | - Jun Wu
- Yantai Research Institute, Harbin Engineering University, Yantai 264006, China.
| | - Jian Lu
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research (YIC), Chinese Academy of Sciences (CAS), Shandong Key Laboratory of Coastal Environmental Processes, YICCAS, Yantai, Shandong 264003, China
| | - Kexin Li
- Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, China; Key Laboratory of Salt Lake Resources Chemistry of Qinghai Province, Xining 810008, China
| | - Xiying Zhang
- Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, China; Qinghai Provincial Key Laboratory of Geology and Environment of Salt Lakes, Xining, Qinghai 810008, China
| | - Xiuyun Min
- Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, China
| | - Chunliang Gao
- Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining, China; Qinghai Provincial Key Laboratory of Geology and Environment of Salt Lakes, Xining, Qinghai 810008, China
| | - Juan Xu
- State Key Laboratory of Marine Geology, Tongji University, Shanghai 200092, China
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Jin Y, Zhou Q, Wang X, Zhang H, Yang G, Lei T, Mei S, Yang H, Liu L, Yang H, Lv J, Jiang Y. Heavy Metals in the Mainstream Water of the Yangtze River Downstream: Distribution, Sources and Health Risk Assessment. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19106204. [PMID: 35627741 PMCID: PMC9140839 DOI: 10.3390/ijerph19106204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 05/14/2022] [Accepted: 05/16/2022] [Indexed: 11/16/2022]
Abstract
Since the mainstream of the Yangtze River lower reach is an important drinking water source for residents alongside it, it is essential to investigate the concentration, distribution characteristics and health risks of heavy metals in the water. In this study, a total of 110 water samples were collected on both the left and right banks from the upstream to the downstream. Principal component analysis (PCA) was used to determine the sources of heavy metals. Their non-carcinogenic and carcinogenic risks were studied with health risk assessment models, and uncertainties were determined through Monte Carlo simulation. Results showed that concentrations of all heavy metals were significantly lower than the relevant authoritative standards in the studied area. From the upstream to the downstream, Ni, Cu and Cr had similar concentration distribution rules and mainly originated from human industrial activities. Pb, Cd and Zn had a fluctuating but increasing trend, which was mainly due to the primary geochemistry, traffic pollution and agricultural activities. The maximum As concentration appeared in the upstream mainly because of the carbonatite weathering or mine tail water discharge. Concentrations of Zn, As, Cd and Pb on the left bank were higher than those on the right bank, while concentrations of Cu, Ni and Cr on the right bank were higher than those on the left bank. The non-carcinogenic risk index (HI) was less than 1 (except of L11), and HI on the left bank was higher than that on the right bank. The carcinogenic risk (CR) was generally larger than 1.0 × 10−4, CR on the right bank overall was higher than that on the left bank, and the health risk of kids was greater than that of adults. Furthermore, Monte Carlo simulation results and the actual calculated values were basically the same.
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Affiliation(s)
- Yang Jin
- Chinese Academy of Geological Sciences, Beijing 100037, China; (Y.J.); (L.L.)
- Nanjing Center, China Geological Survey, Nanjing 210016, China; (Q.Z.); (H.Z.); (G.Y.); (T.L.); (S.M.); (H.Y.); (H.Y.); (J.L.)
- Key Laboratory of Watershed Eco-Geological Processes, Ministry of Natural Resources, Nanjing 210016, China
| | - Quanping Zhou
- Nanjing Center, China Geological Survey, Nanjing 210016, China; (Q.Z.); (H.Z.); (G.Y.); (T.L.); (S.M.); (H.Y.); (H.Y.); (J.L.)
- Key Laboratory of Watershed Eco-Geological Processes, Ministry of Natural Resources, Nanjing 210016, China
| | - Xiaolong Wang
- Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China;
| | - Hong Zhang
- Nanjing Center, China Geological Survey, Nanjing 210016, China; (Q.Z.); (H.Z.); (G.Y.); (T.L.); (S.M.); (H.Y.); (H.Y.); (J.L.)
- Key Laboratory of Watershed Eco-Geological Processes, Ministry of Natural Resources, Nanjing 210016, China
| | - Guoqiang Yang
- Nanjing Center, China Geological Survey, Nanjing 210016, China; (Q.Z.); (H.Z.); (G.Y.); (T.L.); (S.M.); (H.Y.); (H.Y.); (J.L.)
| | - Ting Lei
- Nanjing Center, China Geological Survey, Nanjing 210016, China; (Q.Z.); (H.Z.); (G.Y.); (T.L.); (S.M.); (H.Y.); (H.Y.); (J.L.)
| | - Shijia Mei
- Nanjing Center, China Geological Survey, Nanjing 210016, China; (Q.Z.); (H.Z.); (G.Y.); (T.L.); (S.M.); (H.Y.); (H.Y.); (J.L.)
- Key Laboratory of Watershed Eco-Geological Processes, Ministry of Natural Resources, Nanjing 210016, China
| | - Hai Yang
- Nanjing Center, China Geological Survey, Nanjing 210016, China; (Q.Z.); (H.Z.); (G.Y.); (T.L.); (S.M.); (H.Y.); (H.Y.); (J.L.)
- Key Laboratory of Watershed Eco-Geological Processes, Ministry of Natural Resources, Nanjing 210016, China
| | - Lin Liu
- Chinese Academy of Geological Sciences, Beijing 100037, China; (Y.J.); (L.L.)
- Nanjing Center, China Geological Survey, Nanjing 210016, China; (Q.Z.); (H.Z.); (G.Y.); (T.L.); (S.M.); (H.Y.); (H.Y.); (J.L.)
- Key Laboratory of Watershed Eco-Geological Processes, Ministry of Natural Resources, Nanjing 210016, China
| | - Hui Yang
- Nanjing Center, China Geological Survey, Nanjing 210016, China; (Q.Z.); (H.Z.); (G.Y.); (T.L.); (S.M.); (H.Y.); (H.Y.); (J.L.)
- Key Laboratory of Watershed Eco-Geological Processes, Ministry of Natural Resources, Nanjing 210016, China
| | - Jinsong Lv
- Nanjing Center, China Geological Survey, Nanjing 210016, China; (Q.Z.); (H.Z.); (G.Y.); (T.L.); (S.M.); (H.Y.); (H.Y.); (J.L.)
- Key Laboratory of Watershed Eco-Geological Processes, Ministry of Natural Resources, Nanjing 210016, China
| | - Yuehua Jiang
- Chinese Academy of Geological Sciences, Beijing 100037, China; (Y.J.); (L.L.)
- Nanjing Center, China Geological Survey, Nanjing 210016, China; (Q.Z.); (H.Z.); (G.Y.); (T.L.); (S.M.); (H.Y.); (H.Y.); (J.L.)
- Key Laboratory of Watershed Eco-Geological Processes, Ministry of Natural Resources, Nanjing 210016, China
- Correspondence:
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11
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Optimizing land use systems of an agricultural watershed in China to meet ecological and economic requirements for future sustainability. Glob Ecol Conserv 2022. [DOI: 10.1016/j.gecco.2021.e01975] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
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12
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Islam MS, Idris AM, Islam ARMT, Ali MM, Rakib MRJ. Hydrological distribution of physicochemical parameters and heavy metals in surface water and their ecotoxicological implications in the Bay of Bengal coast of Bangladesh. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:68585-68599. [PMID: 34275081 DOI: 10.1007/s11356-021-15353-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 07/05/2021] [Indexed: 04/16/2023]
Abstract
Accumulation of heavy metals in the coastal ecosystem has become a prodigious problem in any developing countries like Bangladesh. The impact of human activities on some physicochemical parameters and heavy metals was studied in surface water of the Bengal coast, Bangladesh. For ease of description, the fourteen study stations were categorized into four regions of the coastal sites of Bangladesh to determine physicochemical parameters and nine heavy metals like chromium (Cr), nickel (Ni), copper (Cu), arsenic (As), cadmium (Cd), lead (Pb), iron (Fe), manganese (Mn), and zinc (Zn) in water samples. The mean concentrations for water physico-chemistry are temperature (27.7±1.2 °C), pH (7.4±0.27), electrical conductivity (EC) (41.8±6.6 mS/cm), dissolved oxygen (DO) (6.7±0.69 mg/L), turbidity (58.5±12.0 NTU), fluoride (1.4±1.2 mg/L), chloride (126±66.3 mg/L), sulfate (120±90.5 mg/L), nitrate (4.7±2.5 mg/L), and phosphate (4.7±2.5 mg/L). While the mean concentrations of Cr, Ni, Cu, As, Cd, Pb, Fe, Mn, and Zn were 150±58.3, 40.2±10.1, 186±114, 77.3±31.3, 32.7±20.7, 66.7±32.5, 871±268, 178±41.4, and 222±100 μg/L, respectively. As a whole, average concentration of studied metals in surface water followed the decreasing order of Fe > Zn > Cu > Mn > Cr > Pb > As > Ni > Cd. Heavy metals in water samples were much higher than the water quality guidelines for freshwater quality criteria for protection of aquatic life and drinking, indicated that the water of the study areas may create health hazard. The outcomes of the contamination factor (CF), pollution load index (PLI), Nemerow's pollution index (NPI), degree of contamination (Cd), and modified degree of contamination (mCd) varied spatially and most of the water samples were moderately to heavily polluted.
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Affiliation(s)
- Md Saiful Islam
- Department of Soil Science, Patuakhali Science and Technology University, Dumki, Patuakhali, 8602, Bangladesh.
| | - Abubakr M Idris
- Department of Chemistry, College of Science, King Khalid University, Abha, Saudi Arabia
- Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha, Saudi Arabia
| | | | - Mir Mohammad Ali
- Department of Aquaculture, Sher-e-Bangla Agricultural University, Dhaka, 1207, Bangladesh
| | - Md Refat Jahan Rakib
- Department of Fisheries and Marine Science, Noakhali Science and Technology University, Noakhali, 3802, Bangladesh
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Deng L, Shahab A, Xiao H, Li J, Rad S, Jiang J, Jiang P, Huang H, Li X, Ahmad B, Siddique J. Spatial and temporal variation of dissolved heavy metals in the Lijiang River, China: implication of rainstorm on drinking water quality. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:68475-68486. [PMID: 34275078 DOI: 10.1007/s11356-021-15383-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 07/06/2021] [Indexed: 05/16/2023]
Abstract
Lijiang River is an essential drinking water source and natural scenery in the Guilin City. For the first time, implications of rainstorm were taken into consideration by investigating spatial and temporal variation of dissolved heavy metals (HMs) in the Lijiang River water. A total of 68 water samples were collected during low flow (normal) season and high flow (rainstorm) season from 34 sampling sites. Dissolved HMs including Cr, Mn, Co, Cu, Zn, As, Cd, Sb, and Pb were found to meet the respective drinking water standards, while comparatively higher concentration was observed after the rainstorm season, except for Cr. Multivariate statistical analysis showed that Co, Cu, Cr, Zn, Sb, and Pb in normal season were mainly controlled by anthropogenic sources. Furthermore, higher concentrations of Mn, Cu, Cd, Pb, Co, and Zn during the high flow season were attributed to rainstorm. The water quality index (WQI) showed good grades and comparatively lower in rainstorm season. The results of health risk assessment revealed that HMs in Lijiang River posed limited health risk; however, As posed potential health risk specially in rainstorm season. It is suggested to adopt preventive measures for mining activities and industrial waste-water discharge at the river's upstream and downstream.
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Affiliation(s)
- Liming Deng
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541004, China
| | - Asfandyar Shahab
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541004, China
| | - He Xiao
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541004, China.
- State Key Laboratory of Isotope Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, China.
- CAS Center for Excellence in Deep Earth Science, Guangzhou, 510640, China.
| | - Jieyue Li
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541004, China
| | - Saeed Rad
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541004, China.
| | - Jinping Jiang
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541004, China
| | - Pingping Jiang
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541004, China
| | - Hongwei Huang
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541004, China
| | - Xiangkui Li
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541004, China
| | - Bilal Ahmad
- Institute of Agriculture Science and Forestry, University of Swat, Mingora, 19130, Pakistan
| | - Jamil Siddique
- Department of the Earth Sciences, Quaid-I-Azam University Islamabad, Islamabad, 45320, Pakistan
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14
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Tong S, Li H, Tudi M, Yuan X, Yang L. Comparison of characteristics, water quality and health risk assessment of trace elements in surface water and groundwater in China. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 219:112283. [PMID: 34015707 DOI: 10.1016/j.ecoenv.2021.112283] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 04/18/2021] [Accepted: 04/20/2021] [Indexed: 06/12/2023]
Abstract
Water quality is closely associated with human health and socio-economic sustainable development. With the increasingly intensive anthropogenic activities, pollutants especially trace elements, enter water aquatic system and cause harm to humans. This study conducted the first systematic comparison on the pollution status of surface water and groundwater in China. Water quality and health risk assessment of 12 trace elements were evaluated according to the water quality index (WQI), hazard quotient (HQ), hazard index (HI), and carcinogenic risk (CR). The results showed that the average values of trace elements in the majority of surface water were higher than those in groundwater. The WQI values demonstrated that 86.02% of surface water and 83.11% of groundwater were suitable for drinking water. Arsenic served as the predominant pollutant and contributed significantly to cause the non‑carcinogenic risk on human health in both surface water and groundwater, children were more vulnerable to the adverse effects than adults. In surface water, the priority non-carcinogenic risk sites were mainly distributed in Anning River, Taizi River, Middle reaches of Huai River and Jilin section of Songhua River. For groundwater, the high-risk sites were located in Huhhot Basin, Kuitun, Jianghan Plain, Datong Basin and Yucheng County. Arsenic posed potential carcinogenic risk to local resident in some water sites, and it presented higher in groundwater than surface water. More concerns should be paid on Songhua, Yangtze and Huai River Basins, in addition, Pearl, Southeast Coastal, Southwest and Northwest River Basins still need attention. The future work should be carried out more extensive range of the water sites and long-term monitoring in China. In particular, more attention should be dedicated to assess high As water bodies.
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Affiliation(s)
- Shuangmei Tong
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, 11 A Datun Road, Beijing 100101, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China; College of Tourism, History and Culture,Liupanshui Normal University, Liupanshui 553004, China
| | - Hairong Li
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, 11 A Datun Road, Beijing 100101, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Muyesaier Tudi
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, 11 A Datun Road, Beijing 100101, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China; School of Medicine, Griffith University, 170 Kessel Road, Nathan, QLD 4111, Australia
| | - Xing Yuan
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, 11 A Datun Road, Beijing 100101, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Linsheng Yang
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, 11 A Datun Road, Beijing 100101, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China.
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15
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Islam MS. Preliminary assessment of trace elements in surface and deep waters of an urban river (Korotoa) in Bangladesh and associated health risk. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:29287-29303. [PMID: 33559071 DOI: 10.1007/s11356-021-12541-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 01/14/2021] [Indexed: 04/16/2023]
Abstract
Korotoa River is one of the most important urban rivers in Bangladesh for its utilization in various activities like agriculture, aquaculture, fishing, cooking, and other purposes. There have been some reports on the trace element (TE) levels in the surface water of Korotoa River, but its deep water has never been studied. Therefore, the author measured 10 TEs (As, Cd, Pb, Hg, Cr, Ni, Cu, Fe, Mn, and Zn) in surface and deep water samples and assessed their health risks for residential and recreational receptors. The levels of studied elements in deep water were slightly higher than those in surface water except for Cd, Cr, Cu, Mn, and Zn during the dry season and Pb, Hg, and Fe during the wet season. Total TE levels in both surface and deep waters were higher in the dry season than in the wet season. The levels of trace elements in both surface and deep waters were much higher than the guideline values for safe limits of drinking water and the protection of freshwater aquatic life, indicating that water from this river is not safe for drinking and/or cooking purposes. All hazard quotient (HQ) and hazard index (HI) values were higher than the risk threshold of unity. HI values for children were higher than those for adults, indicating that the health of children is at dramatically higher risk than that of adults. Arsenic, Pb, and Hg for the water ingestion pathway were the primary contributors to total risk (HI), while As and Cr for the dermal pathway, indicating that As, Pb, and Cr, among the TEs, are major contributors to total health risk. Total carcinogenic risk values of As and Cr in surface and deep waters were higher than the target risk of 1 × 10-4, indicating that TEs in surface and deep waters of the Korotoa River might pose health risks to the residential and recreational users. The results of this study can provide the basic data for efficient water management and human health protection in Bangladesh.
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Affiliation(s)
- Md Saiful Islam
- Department of Soil Science, Patuakhali Science and Technology University, Dumki, Patuakhali, 8602, Bangladesh.
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Rakib MRJ, Jolly YN, Begum BA, Choudhury TR, Fatema KJ, Islam MS, Ali MM, Idris AM. Assessment of trace element toxicity in surface water of a fish breeding river in Bangladesh: a novel approach for ecological and health risk evaluation. TOXIN REV 2021. [DOI: 10.1080/15569543.2021.1891936] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Md. Refat Jahan Rakib
- Department of Fisheries and Marine Science, Faculty of Science, Noakhali Science and Technology University, Noakhali, Bangladesh
| | - Yeasmin Nahar Jolly
- Atmospheric and Environmental Chemistry Laboratory, Atomic Energy Centre, Dhaka, Bangladesh
| | - Bilkis Ara Begum
- Atmospheric and Environmental Chemistry Laboratory, Atomic Energy Centre, Dhaka, Bangladesh
| | | | - Konika Jannat Fatema
- Atmospheric and Environmental Chemistry Laboratory, Atomic Energy Centre, Dhaka, Bangladesh
| | - Md. Saiful Islam
- Department of Soil Science, Patuakhali Science and Technology University, Patuakhali, Bangladesh
| | - Mir Mohammad Ali
- Department of Aquaculture, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh
| | - Abubakr M. Idris
- Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha, Saudi Arabia
- Department of Chemistry, College of Science, King Khalid University, Abha, Saudi Arabia
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17
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Methneni N, González JAM, Van Loco J, Anthonissen R, de Maele JV, Verschaeve L, Fernandez-Serrano M, Mansour HB. Ecotoxicity profile of heavily contaminated surface water of two rivers in Tunisia. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2021; 82:103550. [PMID: 33227413 DOI: 10.1016/j.etap.2020.103550] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 10/23/2020] [Accepted: 11/13/2020] [Indexed: 06/11/2023]
Abstract
Persistent organic and inorganic contaminants generated by industrial effluent wastes poses a threat to the maintenance of aquatic ecosystems and public health. The Khniss and Hamdoun rivers, located in the central-east of Tunisia, receive regularly domestic and textile wastewater load. The present study aimed to survey the water quality of these rivers using physicochemical, analytical and toxicological approaches. In the physicochemical analysis, the recorded levels of COD and TSS in both samples exceed the Tunisian standards. Using the analytical approach, several metals and some textile dyes were detected. Indeed, 17 metals were detected in both samples in varying concentrations, which do not exceed the Tunisian standards. The sources of metals pollution can be of natural and anthropogenic origin. Three textile disperse dyes were detected with high levels compared to other studies: the disperse orange 37 was detected in the Khniss river with a concentration of 6.438 μg/L and the disperse red 1 and the disperse yellow 3 were detected in the Hamdoun river with concentrations of 3.873 μg/L and 1895 μg/L, respectively. Textile activities were the major sources of disperse dyes. For both samples, acute and chronic ecotoxicity was observed in all the studied organisms, however, no genotoxic activity was detected. The presence of metals and textile disperse dyes could be associated with the ecotoxicological effects observed in the river waters, in particular due to the industrial activity, a fact that could deteriorate the ecosystem and therefore threaten the human health of the population living in the study areas. Combining chemical and biological approaches, allowed the detection of water ecotoxicity in testing organisms and the identification of possible contributors to the toxicity observed in these multi-stressed water reservoirs.
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Affiliation(s)
- Nosra Methneni
- Research Unit of Analysis and Process Applied to the Environment-APAE (UR17ES32) Higher Institute of Applied Sciences and Technology Mahdia, University of Monastir, Monastir, Tunisia; Department of Chemical Engineering, Faculty of Sciences, University of Granada, Spain; Laboratory of Chemical Residues and Contaminants, Direction of Food Medicines and Consumer Safety, Brussels, Belgium
| | | | - Joris Van Loco
- Laboratory of Chemical Residues and Contaminants, Direction of Food Medicines and Consumer Safety, Brussels, Belgium
| | - Roel Anthonissen
- Chemical and Physical Health Risks, Sciensano, Brussels, Belgium
| | | | - Luc Verschaeve
- Chemical and Physical Health Risks, Sciensano, Brussels, Belgium
| | | | - Hedi Ben Mansour
- Research Unit of Analysis and Process Applied to the Environment-APAE (UR17ES32) Higher Institute of Applied Sciences and Technology Mahdia, University of Monastir, Monastir, Tunisia.
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18
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Spilsbury FD, Warne MSJ, Backhaus T. Risk Assessment of Pesticide Mixtures in Australian Rivers Discharging to the Great Barrier Reef. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2020; 54:14361-14371. [PMID: 33136377 DOI: 10.1021/acs.est.0c04066] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Rivers discharging to the Great Barrier Reef carry complex pesticide mixtures. Here we present a first comprehensive ecotoxicological risk assessment using species sensitivity distributions (SSDs), explore how risk changes with time and land use, and identify the drivers of mixture risks. The analyzed data set comprises 50 different pesticides and pesticide metabolites that were analyzed in 3741 samples from 18 river and creek catchments between 2011 and 2016. Pesticide mixtures were present in 82% of the samples, with a maximum of 23 pesticides and a median of five compounds per sample. Chemical-analytical techniques were insufficiently sensitive for at least seven pesticides (metsulfuron-methyl, terbutryn, imidacloprid, clothianidin, ametryn, prometryn, and thiamethoxam). The classical mixture concepts of concentration addition and independent action were applied to the pesticide SSDs, focusing on environmental threshold values protective for 95% of the species. Both concepts produced almost identical risk estimates. Mixture risk was therefore finally assessed using concentration addition, as the sum of the individual risk quotients. The sum of risk quotients ranges between 0.05 and 122 with a median of 0.66. An ecotoxicological risk (i.e., a sum of individual risk quotients exceeding 1) was indicated in 38.5% of the samples. Sixteen compounds accounted for 99% of the risk, with diuron, imidacloprid, atrazine, metolachlor, and hexazinone being the most important risk drivers. Analysis of land-use patterns in catchment areas showed an association between sugar cane farming and elevated risk levels, driven by the presence of diuron.
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Affiliation(s)
- Francis D Spilsbury
- Department of Biological and Environmental Sciences, University of Gothenburg, Gothenburg 40530, Sweden
- Curtin University, Perth, Western Australia 6845, Australia
| | - Michael St J Warne
- School of Earth and Environmental Sciences, University of Queensland, St Lucia, Queensland 4072, Australia
- Department of Environment and Science, Brisbane City, Queensland 4000, Australia
- Centre for Agroecology, Water and Resilience, Coventry University, Coventry CV83LG, United Kingdom
| | - Thomas Backhaus
- Department of Biological and Environmental Sciences, University of Gothenburg, Gothenburg 40530, Sweden
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Dendievel AM, Mourier B, Dabrin A, Delile H, Coynel A, Gosset A, Liber Y, Berger JF, Bedell JP. Metal pollution trajectories and mixture risk assessed by combining dated cores and subsurface sediments along a major European river (Rhône River, France). ENVIRONMENT INTERNATIONAL 2020; 144:106032. [PMID: 32861162 DOI: 10.1016/j.envint.2020.106032] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 07/31/2020] [Accepted: 07/31/2020] [Indexed: 06/11/2023]
Abstract
In European rivers, research and monitoring programmes have targeted metal pollution from bed and floodplain sediments since the mid-20th century by using various sampling and analysis protocols. We propose to characterise metal contamination trajectories since the 1960s based on the joint use of a large amount of data from dated cores and subsurface sediments along the Rhône River (ca. 512 km, Switzerland-France). For the reconstruction of spatio-temporal trends, enrichment factors (EF) and geo-accumulation (Igeo) approaches were compared. The latter index was preferred due to the recurrent lack of grain-size and lithogenic elements in the dataset. Local geochemical backgrounds were established near (1) the Subalps and (2) the Massif Central to consider the geological variability of the watershed. A high contamination (Igeo = 3-5) was found for Cd, Cu and Zn from upstream to downstream over the period 1980-2000. This pattern is consistent with long-term emissions from major cities and the nearby industrial areas of the Upper Rhône (Geneva, Arve Valley), and Middle Rhône (Lyon, Chemical Corridor, Gier Valley). Hotspots due to Cu and Zn leaching from vineyards, mining, and highway runoff were also identified, while Pb was especially driven by industrial sources. The recovery time of pollution in sediment varied according to the metals and was shorter upstream of Lyon (15-20 years) than downstream (30-40 years). More widely, it was faster on the Rhône than along other European rivers (e.g. Seine and Rhine). Finally, the ecotoxicological mixture risk of metal with Persistent Organic Pollutants (POPs) for sediment-dwelling organisms showed a medium "cocktail risk" dominated by metals upstream of Lyon, although it is enhanced due to POPs downstream, and southward to the delta and the Mediterranean Sea. Overall, this study demonstrates the heterogeneity of the contamination trends along large fluvial corridors such as the Rhône River.
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Affiliation(s)
- André-Marie Dendievel
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, ENTPE, UMR 5023 LEHNA, F-69518 Vaulx-en-Velin Cedex, France
| | - Brice Mourier
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, ENTPE, UMR 5023 LEHNA, F-69518 Vaulx-en-Velin Cedex, France
| | - Aymeric Dabrin
- INRAE, Centre de Lyon-Villeurbanne, UR RiverLy, F-69625 Villeurbanne Cedex, France
| | - Hugo Delile
- INRAE, Centre de Lyon-Villeurbanne, UR RiverLy, F-69625 Villeurbanne Cedex, France
| | - Alexandra Coynel
- Université de Bordeaux, UMR CNRS 5805 EPOC, F-33615 Pessac, France
| | - Antoine Gosset
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, ENTPE, UMR 5023 LEHNA, F-69518 Vaulx-en-Velin Cedex, France; Ecole Urbaine de Lyon, Institut Convergences, Commissariat général aux investissements d'avenir, Atrium, 43 Boulevard du 11 novembre 1918, F-69616 Villeurbanne, France
| | - Yohan Liber
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, ENTPE, UMR 5023 LEHNA, F-69518 Vaulx-en-Velin Cedex, France
| | - Jean-François Berger
- CNRS, Univ Lyon, Université Lyon 2, UMR 5600 EVS-IRG, F-69676 Bron Cedex, France
| | - Jean-Philippe Bedell
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, ENTPE, UMR 5023 LEHNA, F-69518 Vaulx-en-Velin Cedex, France
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Gosset A, Polomé P, Perrodin Y. Ecotoxicological risk assessment of micropollutants from treated urban wastewater effluents for watercourses at a territorial scale: Application and comparison of two approaches. Int J Hyg Environ Health 2020; 224:113437. [DOI: 10.1016/j.ijheh.2019.113437] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 12/02/2019] [Accepted: 12/13/2019] [Indexed: 11/29/2022]
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Jiang D, Wang Y, Zhou S, Long Z, Liao Q, Yang J, Fan J. Multivariate Analyses and Human Health Assessments of Heavy Metals for Surface Water Quality in the Xiangjiang River Basin, China. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2019; 38:1645-1657. [PMID: 31063223 DOI: 10.1002/etc.4461] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 11/02/2018] [Accepted: 05/02/2019] [Indexed: 06/09/2023]
Abstract
Pollution by heavy metals in river water is becoming a major subject of global drinking water concern, and the Xiangjiang River is one of the most heavily polluted rivers in China. Water samples were collected from 17 sites spanning the entire Xiangjiang watershed from 2005 to 2016 to investigate spatial-temporal distributions and potential human health risks related to 8 metal pollutants (As, Cd, Hg, Cr, Cu, Pb, Zn, and Se). The results of spatial-temporal distribution analyses proved that most metals were below the guideline limits the majority of the time. However, the hazard index and carcinogenic risk analyses indicated that As and Cr were associated with a potential risk of cancer, although noncarcinogenic heavy metals in general and carcinogenic risk declined year by year. A nonparametric seasonal Mann-Kendall's test revealed that there were notable decreasing trends in As, Cd, Zn, Cu, Cr, and Pb for most sites, whereas Se and Hg significantly increased in some areas over the targeted 12 yr. The results of principal component analysis agreed with those of dual hierarchical cluster analysis in the identification of pollution sources, the results of which are as follows: 1) As, Cd, Pb, Hg, and Zn were mainly derived from anthropogenic activities and the smelting industry; 2) Cr and Cu mainly originated from agricultural or industrial activities; and 3) Se was predominantly from natural erosion. The present study will be conducive to optimizing the distribution of water monitoring stations and drafting remediation strategies pertaining to the protection of public health in metal-polluted areas. Environ Toxicol Chem 2019;38:1645-1657. © 2019 SETAC.
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Affiliation(s)
- Dongyi Jiang
- School of Metallurgy and Environment, Central South University, Changsha, China
- Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution, Changsha, China
| | - Yunyan Wang
- School of Metallurgy and Environment, Central South University, Changsha, China
- Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution, Changsha, China
| | - Sangyang Zhou
- Hunan Province Environmental Monitoring Center, Changsha, China
| | - Zhe Long
- School of Information Science and Engineering, Central South University, Changsha, China
| | - Qi Liao
- School of Metallurgy and Environment, Central South University, Changsha, China
- Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution, Changsha, China
| | - Jinqin Yang
- School of Metallurgy and Environment, Central South University, Changsha, China
- Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution, Changsha, China
| | - Juan Fan
- Hunan Province Environmental Monitoring Center, Changsha, China
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Xiao J, Wang L, Deng L, Jin Z. Characteristics, sources, water quality and health risk assessment of trace elements in river water and well water in the Chinese Loess Plateau. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 650:2004-2012. [PMID: 30290343 DOI: 10.1016/j.scitotenv.2018.09.322] [Citation(s) in RCA: 197] [Impact Index Per Article: 39.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 09/21/2018] [Accepted: 09/25/2018] [Indexed: 05/24/2023]
Abstract
Water resources and water quality are restrictive factors in the Chinese Loess Plateau (CLP), a unique area with most severe soil erosion, fragile ecology and water shortage. River and well water samples were firstly analyzed, and multiple methods and indexes, including principal component analysis (PCA), correlation analysis (CA), sodium adsorption ratio (SAR), water quality index (WQI), hazard quotient (HQ), and hazard index (HI), were used to investigate characteristics, water quality and health risk assessment of trace elements in CLP. The average trace elements concentrations were higher than the world average with a slightly alkaline characteristic. PCA and CA showed that Al, Fe, Li, B, As, and F had natural origins from loess weathering and leaching; Cr, Pb, Cd, Cu, Ag, and Tl were mainly from anthropogenic input; Co, Ni, and Mn were dominated by both anthropogenic and natural sources. The poor river water quality was mainly related with high sodium (alkalinity) and salinity hazard. The poor well water quality samples with high WQI values, especially for As, Cr, and B, were distributed in the northwest and the Fenhe River sub-basin. The pollution level of trace elements in rivers in CLP was in medium level compared with other rivers worldwide. Arsenic pollution was the worst in well water and was the potential pollutant in river water especially for children. Arid climate together with anthropogenic input and special water characteristics (high Na, pH, and low Ca) aggravated As pollution. More work should be done to monitor the secular variation and remove As in the high As areas. The results of this study can provide the basic data for efficient water management and human health protection in CLP.
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Affiliation(s)
- Jun Xiao
- State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China.
| | - Lingqing Wang
- Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
| | - Li Deng
- State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China
| | - Zhangdong Jin
- State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China
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Rico A, Arenas-Sánchez A, Pasqualini J, García-Astillero A, Cherta L, Nozal L, Vighi M. Effects of imidacloprid and a neonicotinoid mixture on aquatic invertebrate communities under Mediterranean conditions. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2018; 204:130-143. [PMID: 30245345 DOI: 10.1016/j.aquatox.2018.09.004] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Revised: 08/31/2018] [Accepted: 09/09/2018] [Indexed: 05/07/2023]
Abstract
Neonicotinoid insecticides are considered contaminants of concern due to their high toxicity potential to non-target terrestrial and aquatic organisms. In this study we evaluated the sensitivity of aquatic invertebrates to a single application of imidacloprid and an equimolar mixture of five neonicotinoids (imidacloprid, acetamiprid, thiacloprid, thiamethoxam, clothianidin) using mesocosms under Mediterranean conditions. Cyclopoida, Cloeon dipterum and Chironomini showed the highest sensitivity to neonicotinoids, with calculated NOECs below 0.2 μg/L. The sensitivity of these taxa was found to be higher than that reported in previous studies performed under less warm conditions, proving the high influence of temperature on neonicotinoid toxicity. The short-term responses of the zooplankton and the macroinvertebrate communities to similar imidacloprid and neonicotinoid mixture concentrations were very similar, suggesting that the concentration addition model can be used as a plausible hyphotesis to assess neonicotinoid mixture effects in aquatic ecosystems. Long-term mixture toxicity assessments, however, should consider the fate of the evaluated substances in the environment of concern. As part of this study, we also demonstrated that Species Sensitivity Distributions constructed with chronic laboratory toxicity data and calculated (multi-substance) Potentially Affected Fractions provide an accurate estimation to asssess the ecotoxicologial risks of imidacloprid and neonicotinoid mixtures to aquatic invertebrate species assemblages.
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Affiliation(s)
- Andreu Rico
- IMDEA Water Institute, Science and Technology Campus of the University of Alcalá, Avenida Punto Com 2, 28805, Alcalá de Henares, Madrid, Spain.
| | - Alba Arenas-Sánchez
- IMDEA Water Institute, Science and Technology Campus of the University of Alcalá, Avenida Punto Com 2, 28805, Alcalá de Henares, Madrid, Spain
| | - Julia Pasqualini
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Laboratory of Environmental Chemistry and Toxicology, Via La Masa 19, 20156 Milano, Italy
| | - Ariadna García-Astillero
- IMDEA Water Institute, Science and Technology Campus of the University of Alcalá, Avenida Punto Com 2, 28805, Alcalá de Henares, Madrid, Spain
| | - Laura Cherta
- IMDEA Water Institute, Science and Technology Campus of the University of Alcalá, Avenida Punto Com 2, 28805, Alcalá de Henares, Madrid, Spain
| | - Leonor Nozal
- IMDEA Water Institute, Science and Technology Campus of the University of Alcalá, Avenida Punto Com 2, 28805, Alcalá de Henares, Madrid, Spain; Institute of Applied Chemistry and Biotechnology (CQAB), University of Alcalá, Ctra. N-II km 33, 28871, Alcalá de Henares, Madrid, Spain
| | - Marco Vighi
- IMDEA Water Institute, Science and Technology Campus of the University of Alcalá, Avenida Punto Com 2, 28805, Alcalá de Henares, Madrid, Spain
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Li F, Qiu Z, Zhang J, Liu C, Cai Y, Xiao M. Spatial Distribution and Fuzzy Health Risk Assessment of Trace Elements in Surface Water from Honghu Lake. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2017; 14:ijerph14091011. [PMID: 28869576 PMCID: PMC5615548 DOI: 10.3390/ijerph14091011] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Revised: 08/22/2017] [Accepted: 08/30/2017] [Indexed: 02/08/2023]
Abstract
Previous studies revealed that Honghu Lake was polluted by trace elements due to anthropogenic activities. This study investigated the spatial distribution of trace elements in Honghu Lake, and identified the major pollutants and control areas based on the fuzzy health risk assessment at screening level. The mean total content of trace elements in surface water decreased in the order of Zn (18.04 μg/L) > Pb (3.42 μg/L) > Cu (3.09 μg/L) > Cr (1.63 μg/L) > As (0.99 μg/L) > Cd (0.14 μg/L), within limits of Drinking Water Guidelines. The results of fuzzy health risk assessment indicated that there was no obvious non-carcinogenic risk to human health, while carcinogenic risk was observed in descending order of As > Cr > Cd > Pb. As was regarded to have the highest carcinogenic risk among selected trace elements because it generally accounted for 64% of integrated carcinogenic risk. Potential carcinogenic risk of trace elements in each sampling site was approximately at medium risk level (10-5 to 10-4). The areas in the south (S4, S13, and S16) and northeast (S8, S18, and S19) of Honghu Lake were regarded as the risk priority control areas. However, the corresponding maximum memberships of integrated carcinogenic risk in S1, S3, S10-S13, S15, and S18 were of relatively low credibility (50-60%), and may mislead the decision-makers in identifying the risk priority areas. Results of fuzzy assessment presented the subordinate grade and corresponding reliability of risk, and provided more full-scale results for decision-makers, which made up for the deficiency of certainty assessment to a certain extent.
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Affiliation(s)
- Fei Li
- Research Center for Environment and Health, Zhongnan University of Economics and Law, Wuhan 430073, China.
- School of Information and Safety Engineering, Zhongnan University of Economics and Law, Wuhan 430073, China.
| | - Zhenzhen Qiu
- Research Center for Environment and Health, Zhongnan University of Economics and Law, Wuhan 430073, China.
- School of Information and Safety Engineering, Zhongnan University of Economics and Law, Wuhan 430073, China.
| | - Jingdong Zhang
- Research Center for Environment and Health, Zhongnan University of Economics and Law, Wuhan 430073, China.
- School of Information and Safety Engineering, Zhongnan University of Economics and Law, Wuhan 430073, China.
| | - Chaoyang Liu
- Research Center for Environment and Health, Zhongnan University of Economics and Law, Wuhan 430073, China.
- School of Information and Safety Engineering, Zhongnan University of Economics and Law, Wuhan 430073, China.
| | - Ying Cai
- Research Center for Environment and Health, Zhongnan University of Economics and Law, Wuhan 430073, China.
- School of Information and Safety Engineering, Zhongnan University of Economics and Law, Wuhan 430073, China.
| | - Minsi Xiao
- Research Center for Environment and Health, Zhongnan University of Economics and Law, Wuhan 430073, China.
- School of Information and Safety Engineering, Zhongnan University of Economics and Law, Wuhan 430073, China.
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25
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Munz NA, Burdon FJ, de Zwart D, Junghans M, Melo L, Reyes M, Schönenberger U, Singer HP, Spycher B, Hollender J, Stamm C. Pesticides drive risk of micropollutants in wastewater-impacted streams during low flow conditions. WATER RESEARCH 2017; 110:366-377. [PMID: 27919541 DOI: 10.1016/j.watres.2016.11.001] [Citation(s) in RCA: 106] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2016] [Revised: 10/29/2016] [Accepted: 11/01/2016] [Indexed: 05/11/2023]
Abstract
Micropollutants enter surface waters through various pathways, of which wastewater treatment plants (WWTPs) are a major source. The large diversity of micropollutants and their many modes of toxic action pose a challenge for assessing environmental risks. In this study, we investigated the potential impact of WWTPs on receiving ecosystems by describing concentration patterns of micropollutants, predicting acute risks for aquatic organisms and validating these results with macroinvertebrate biomonitoring data. Grab samples were taken upstream, downstream and at the effluent of 24 Swiss WWTPs during low flow conditions across independent catchments with different land uses. Using liquid chromatography high resolution tandem mass spectrometry, a comprehensive target screening of almost 400 organic substances, focusing mainly on pesticides and pharmaceuticals, was conducted at two time points, and complemented with the analysis of a priority mixture of 57 substances over eight time points. Acute toxic pressure was predicted using the risk assessment approach of the multi-substance potentially affected fraction, first applying concentration addition for substances with the same toxic mode of action and subsequently response addition for the calculation of the risk of the total mixture. This toxic pressure was compared to macroinvertebrate sensitivity to pesticides (SPEAR index) upstream and downstream of the WWTPs. The concentrations were, as expected, especially for pharmaceuticals and other household chemicals higher downstream than upstream, with the detection frequency of plant protection products upstream correlating with the fraction of arable land in the catchments. While the concentration sums downstream were clearly dominated by pharmaceuticals or other household chemicals, the acute toxic pressure was mainly driven by pesticides, often caused by the episodic occurrence of these compounds even during low flow conditions. In general, five single substances explained much of the total risk, with diclofenac, diazinon and clothianidin as the main drivers. Despite the low predicted acute risk of 0%-2.1% for affected species, a significant positive correlation with macroinvertebrate sensitivity to pesticides was observed. However, more effect data for pharmaceuticals and a better quantification of episodic pesticide pollution events are needed for a more comprehensive risk assessment.
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Affiliation(s)
- Nicole A Munz
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600 Dübendorf, Switzerland; Institute of Biogeochemistry and Pollutant Dynamics, ETH Zürich, 8092 Zürich, Switzerland
| | - Francis J Burdon
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600 Dübendorf, Switzerland
| | | | - Marion Junghans
- Swiss Centre for Applied Ecotoxicology Eawag-EPFL, 8600 Dübendorf, Switzerland
| | - Laura Melo
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600 Dübendorf, Switzerland
| | - Marta Reyes
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600 Dübendorf, Switzerland
| | - Urs Schönenberger
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600 Dübendorf, Switzerland
| | - Heinz P Singer
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600 Dübendorf, Switzerland
| | - Barbara Spycher
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600 Dübendorf, Switzerland
| | - Juliane Hollender
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600 Dübendorf, Switzerland; Institute of Biogeochemistry and Pollutant Dynamics, ETH Zürich, 8092 Zürich, Switzerland.
| | - Christian Stamm
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600 Dübendorf, Switzerland
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Colin N, Maceda-Veiga A, Flor-Arnau N, Mora J, Fortuño P, Vieira C, Prat N, Cambra J, de Sostoa A. Ecological impact and recovery of a Mediterranean river after receiving the effluent from a textile dyeing industry. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2016; 132:295-303. [PMID: 27344397 DOI: 10.1016/j.ecoenv.2016.06.017] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Revised: 05/21/2016] [Accepted: 06/14/2016] [Indexed: 05/06/2023]
Abstract
The textile industry is one of the largest sectors globally, representing up to 20% of industrial water pollution. However, there is limited insight into how fluvial ecosystems respond and recover from this impact. From summer 2012 to spring 2013, we examined water quality and ecological status upstream and 1.5km downstream the input of a textile industry wastewater treatment plant (WWTP) in Ripoll River, NE Spain. The ecological status was determined via diversity measures and 10 biotic indices based on diatoms, macrophytes, macroinvertebrates and fish. Our results showed that the WWTP severely deteriorated water quality and biological communities at the discharge site, but that they improved at 1.5km downstream. Severity also varied across taxa and seasons, being fish the most affected taxa and spring the season with the best ecological status. The strong correlation amongst water quality variables and many biotic indices across taxa indicated that this is a chronic pollution event affecting multiple trophic levels. Thus, this study suggests that there is an urgent need to invest in wastewater treatment in this industry to preserve the ecological integrity of Ripoll River and especially its fish fauna. Likewise, it illustrates the diagnostic power of biotic indices based on diatoms, macroinvertebrates and fish, as driven by the European Water Framework Directive.
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Affiliation(s)
- Nicole Colin
- Department of Animal Biology, Facultat de Biologia, Universitat de Barcelona (UB), 08028 Barcelona, Spain; Biodiversity Research Institute (IRBio), Facultat de Biologia, Universitat de Barcelona, 08028 Barcelona, Spain
| | - Alberto Maceda-Veiga
- Biodiversity Research Institute (IRBio), Facultat de Biologia, Universitat de Barcelona, 08028 Barcelona, Spain; Department of Integrative Ecology, Estación Biológica de Doñana (EBD-CSIC), 41092 Sevilla, Spain.
| | - Núria Flor-Arnau
- Department of Plant Biology, Facultat de Biologia, Universitat de Barcelona (UB), 08028 Barcelona, Spain; Grup de Recerca Freshwater Ecology and Management (FEM), Departament d'Ecologia, Facultat de Biologia, Universitat de Barcelona (UB), 08028 Barcelona, Spain
| | - Josep Mora
- Grup de Recerca Freshwater Ecology and Management (FEM), Departament d'Ecologia, Facultat de Biologia, Universitat de Barcelona (UB), 08028 Barcelona, Spain
| | - Pau Fortuño
- Grup de Recerca Freshwater Ecology and Management (FEM), Departament d'Ecologia, Facultat de Biologia, Universitat de Barcelona (UB), 08028 Barcelona, Spain
| | - Cristiana Vieira
- CIBIO-InBIO, Universidade do Porto, Campus Agrário de Vairão, Rua Padre Armando Quintas, 4485-661 Vairão, Portugal
| | - Narcís Prat
- Grup de Recerca Freshwater Ecology and Management (FEM), Departament d'Ecologia, Facultat de Biologia, Universitat de Barcelona (UB), 08028 Barcelona, Spain
| | - Jaume Cambra
- Department of Plant Biology, Facultat de Biologia, Universitat de Barcelona (UB), 08028 Barcelona, Spain; Grup de Recerca Freshwater Ecology and Management (FEM), Departament d'Ecologia, Facultat de Biologia, Universitat de Barcelona (UB), 08028 Barcelona, Spain
| | - Adolfo de Sostoa
- Department of Animal Biology, Facultat de Biologia, Universitat de Barcelona (UB), 08028 Barcelona, Spain; Biodiversity Research Institute (IRBio), Facultat de Biologia, Universitat de Barcelona, 08028 Barcelona, Spain
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Ortiz-Colón AI, Piñero-Santiago LE, Rivera NM, Sosa MA. Assessment of Concentrations of Heavy Metals and Phthalates in Two Urban Rivers of the Northeast of Puerto Rico. ACTA ACUST UNITED AC 2016; 6. [PMID: 27148470 PMCID: PMC4852550 DOI: 10.4172/2161-0525.1000353] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Urbanization adjacent to rivers has increased in recent years and is considered a source of environmental contamination. The resulting increase in number of urban rivers in highly populated areas, such as the Caribbean island of Puerto Rico, has led to the appearance of synthetic as well as naturally occurring chemicals not previously observed nor regularly monitored in freshwater habitats. Some of these chemicals, such as heavy metals and plasticizers, have been shown to affect endocrine, respiratory, and nervous system function in animals and humans, even at relatively low concentrations. The purpose of this study was to measure concentrations of such emergent contaminants on rivers of urbanized areas on the northeast of Puerto Rico, as one element in the assessment of the impact of urbanism on water quality in these communities. To accomplish this, we used Inductively Coupled Plasma and Gas Chromatography Mass Spectrometry to measure amounts of heavy metals and phthalates, respectively, in superficial water of three rivers of Puerto Rico: Mameyes (non-urban), Río Piedras (urban river without a dam), and La Plata (urban river with a dam). The urban rivers had significantly higher concentrations of heavy metals arsenic, barium, cadmium, manganese, and antimony, when compared with the reference non-urban river. Manganese was the only metal found in concentrations higher than limits established by the EPA for drinking water. Of eight phthalates amenable to measurement with the chosen protocol and instrumentation, only dibutyl phthalate was detected, only in the La Plata river, and at concentrations ranging from 3 to 8 parts-per-billion. These findings suggest that urbanism close to rivers of Puerto Rico is likely having an impact on water quality and thus further study to identify the potential sources, as well as the inclusion of these emergent contaminants on the list of chemicals regularly monitored by government agencies is justified.
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Affiliation(s)
- Ana I Ortiz-Colón
- Department of Anatomy and Neurobiology, School of Medicine, Medical Science Campus, University of Puerto Rico, San Juan, Puerto Rico, 00936 USA; Institute of Neurobiology, Medical Sciences Campus, University of Puerto Rico, San Juan, Puerto Rico, 00901 USA; Puerto Rico Center for Environmental Neuroscience, Medical Sciences Campus, San Juan, Puerto Rico, 00936 USA
| | - Luis E Piñero-Santiago
- Department of Chemistry, Humacao Campus, University of Puerto Rico, Humacao, Puerto Rico, 00792 USA
| | - Nilsa M Rivera
- Department of Anatomy and Neurobiology, School of Medicine, Medical Science Campus, University of Puerto Rico, San Juan, Puerto Rico, 00936 USA; Institute of Neurobiology, Medical Sciences Campus, University of Puerto Rico, San Juan, Puerto Rico, 00901 USA; Puerto Rico Center for Environmental Neuroscience, Medical Sciences Campus, San Juan, Puerto Rico, 00936 USA
| | - María A Sosa
- Department of Anatomy and Neurobiology, School of Medicine, Medical Science Campus, University of Puerto Rico, San Juan, Puerto Rico, 00936 USA; Institute of Neurobiology, Medical Sciences Campus, University of Puerto Rico, San Juan, Puerto Rico, 00901 USA; Puerto Rico Center for Environmental Neuroscience, Medical Sciences Campus, San Juan, Puerto Rico, 00936 USA
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Kuzmanović M, López-Doval JC, De Castro-Català N, Guasch H, Petrović M, Muñoz I, Ginebreda A, Barceló D. Ecotoxicological risk assessment of chemical pollution in four Iberian river basins and its relationship with the aquatic macroinvertebrate community status. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 540:324-33. [PMID: 26170110 DOI: 10.1016/j.scitotenv.2015.06.112] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Revised: 06/26/2015] [Accepted: 06/26/2015] [Indexed: 05/18/2023]
Abstract
Ecotoxicological risk assessment of chemical pollution in four Iberian river basins (Llobregat, Ebro, Júcar and Guadalquivir) was performed. The data set included more than 200 emerging and priority compounds measured at 77 sampling sites along four river basins studied. The toxic units (TU) approach was used to assess the risk of individual compounds and the concentration addition model (CA) to assess the site specific risk. Link between chemical pollution and aquatic macroinvertebrate communities in situ was examined by using four biological indexes; SPEAR ("Species at Risk Index") as the indicator of decline of sensitive species in relation to general organic (SPEARorganic) and pesticides (SPEARpesticides) pollution; and Shannon and Margalef biodiversity indexes. The results of the study suggested that organic chemicals posed the risk of acute effects at 42% of the sampling sites and the risk of chronic effects at all the sites. Metals posed the acute risk at 44% of the sites. The main drivers of the risk were mainly pesticides and metals. However, several emerging contaminants (e.g. the antidepressant drug sertraline and the disinfectant triclosan) were contributing to the chronic effects risk. When risk associated with metals and organic chemicals was compared, the latter dominated in 2010, mainly due to the presence of highly toxic pesticides, while metals did in 2011. Compounds that are not regulated on the European level were posing the risk of chronic effects at 23% of the sites. The decline of sensitive macroinvertebrate taxa expressed in terms of SPEAR index was correlated with the increase of toxic stress related to organic compounds Biodiversity indexes were negatively correlated with the metals and the urban land use type in the catchment.
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Affiliation(s)
- Maja Kuzmanović
- Water and Soil Quality Research Group, Dep. of Environmental Chemistry, IDAEA-CSIC, Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Julio C López-Doval
- Institute of Biosciences, Department of Ecology, University of São Paulo, R. do Matão, Travessa 14, 321 Butantã 05508-090 São Paulo, Brazil
| | - Núria De Castro-Català
- Department of Ecology, Universitat de Barcelona, Av. Diagonal, 643, 08028 Barcelona, Spain
| | - Helena Guasch
- Institute of Aquatic Ecology and Department of Environmental Sciences, University of Girona, Campus de Montilivi, 17071 Girona, Spain
| | - Mira Petrović
- Catalan Institute for Water Research (ICRA), H2O Building, Scientific and Technological Park of the University of Girona, Emili Grahit 101, 17003 Girona, Spain; ICREA, Passeig Lluis Companys 23, 08010 Barcelona, Spain
| | - Isabel Muñoz
- Department of Ecology, Universitat de Barcelona, Av. Diagonal, 643, 08028 Barcelona, Spain
| | - Antoni Ginebreda
- Water and Soil Quality Research Group, Dep. of Environmental Chemistry, IDAEA-CSIC, Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Damià Barceló
- Water and Soil Quality Research Group, Dep. of Environmental Chemistry, IDAEA-CSIC, Jordi Girona 18-26, 08034 Barcelona, Spain; Catalan Institute for Water Research (ICRA), H2O Building, Scientific and Technological Park of the University of Girona, Emili Grahit 101, 17003 Girona, Spain
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Calvo-Cubero J, Ibáñez C, Rovira A, Sharpe PJ, Reyes E. Changes in water and soil metals in a Mediterranean restored marsh subject to different water management schemes. Restor Ecol 2015. [DOI: 10.1111/rec.12305] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Juan Calvo-Cubero
- SERTIIC Engineering & Environment; Avenida Isidora Macabich 25 Of. 4 07800 Ibiza Spain
| | - Carles Ibáñez
- Aquatic Ecosystems Program; IRTA; Sant Carles de la Ràpita Catalonia Spain
| | - Albert Rovira
- Aquatic Ecosystems Program; IRTA; Sant Carles de la Ràpita Catalonia Spain
| | - Peter J. Sharpe
- US National Park Service; 200 Chestnut Street Philadelphia PA 19106 U.S.A
| | - Enrique Reyes
- Department of Biology; East Carolina University; Greenville NC U.S.A
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Zeng X, Liu Y, You S, Zeng G, Tan X, Hu X, Hu X, Huang L, Li F. Spatial distribution, health risk assessment and statistical source identification of the trace elements in surface water from the Xiangjiang River, China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2015; 22:9400-12. [PMID: 25874418 DOI: 10.1007/s11356-014-4064-4] [Citation(s) in RCA: 88] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2014] [Accepted: 12/30/2014] [Indexed: 05/16/2023]
Abstract
Surface water samples were collected from the sampling sites throughout the Xiangjiang River for investigating spatial variation, risk assessment and source identification of the trace elements. The results indicated that the mean concentrations of the elements were under the permissible limits as prescribed by guidelines except arsenic (As). Based on the health risk indexes, the primary contributor to the chronic risks was arsenic (As), which was suggested to be the most important pollutant leading to non-carcinogenic and carcinogenic concerns. Individuals, who depend on surface water from the Xiangjiang River for potable and domestic use, might be subjected to the integrated health risks for exposure to the mixed trace elements. Children were more sensitive to the risks than the adults, and the oral intake was the primary exposure pathway. Besides, multivariate statistical analyses revealed that arsenic (As), cadmium (Cd), lead (Pb), selenium (Se), and mercury (Hg) mainly derived from the chemical industrial wastewaters and the coal burning, and zinc (Zn) copper (Cu) and chromium (Cr) mainly originated from the natural erosion, the mineral exploitation activities, and the non-point agricultural sources. As a whole, the upstream of the Xiangjiang River was explained as the high polluted region relatively.
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Affiliation(s)
- Xiaoxia Zeng
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, People's Republic of China
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31
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López-López JA, Mendiguchía C, García-Vargas M, Moreno C. Multi-way analysis for decadal pollution trends assessment: the Guadalquivir River estuary as a case study. CHEMOSPHERE 2014; 111:47-54. [PMID: 24997899 DOI: 10.1016/j.chemosphere.2014.03.055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2013] [Revised: 03/12/2014] [Accepted: 03/18/2014] [Indexed: 06/03/2023]
Abstract
Alongside history, human activities have contributed to the deployment of environmental quality. In particular, during the last decades the problem of water preservation has gained increasing attention. Statistical analysis is essential to analyze environmental data and to identify trends of pollutants over space and time. Usually applied techniques for data treatment are based on the organization of data in a two-way array, missing some shades on pollutants distribution. This fact supports the use of multi-way techniques, which allow the analysis of the results through different directions at the same time. For Three Modes Principal Components Analysis (3MPCA) a principal components analysis is conducted using three modes and a "core" matrix that allows assessing their interactions. In the case of environmental studies, it offers information about the spatial-temporal evolution of pollutants in a certain water body. The Guadalquivir River estuary has been used as a model system. It is a representative human influenced system, where different pollution inputs have been characterized. In this study, decadal evolution of pollutants has been discussed, to evaluate among others the effects of EU legislation on river water quality. The aim of this work is the establishment of the evolution, during the last decade, of nutrients and metals ultra-traces distribution in an estuary affected by anthropic activities. As examples, Pb and PO4(3-) show a trend to decrease their weight on water pollution, total suspended solids (TSS) behavior is related with massive rain events, and the rising of new technologies appears as a source of emerging pollutants as Co in urban-industrial areas.
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Affiliation(s)
- José A López-López
- Department of Analytical Chemistry, Faculty of Marine and Environmental Sciences, University of Cádiz, Puerto Real, 11510 Cádiz, Spain.
| | - Carolina Mendiguchía
- Department of Analytical Chemistry, Faculty of Marine and Environmental Sciences, University of Cádiz, Puerto Real, 11510 Cádiz, Spain
| | - Manuel García-Vargas
- Department of Analytical Chemistry, Faculty of Marine and Environmental Sciences, University of Cádiz, Puerto Real, 11510 Cádiz, Spain
| | - Carlos Moreno
- Department of Analytical Chemistry, Faculty of Marine and Environmental Sciences, University of Cádiz, Puerto Real, 11510 Cádiz, Spain
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32
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Smetanová S, Bláha L, Liess M, Schäfer RB, Beketov MA. Do predictions from Species Sensitivity Distributions match with field data? ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2014; 189:126-133. [PMID: 24657606 DOI: 10.1016/j.envpol.2014.03.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2013] [Revised: 02/28/2014] [Accepted: 03/02/2014] [Indexed: 06/03/2023]
Abstract
Species Sensitivity Distribution (SSD) is a statistical model that can be used to predict effects of contaminants on biological communities, but only few comparisons of this model with field studies have been conducted so far. In the present study we used measured pesticides concentrations from streams in Germany, France, and Finland, and we used SSD to calculate msPAF (multiple substance potentially affected fraction) values based on maximum toxic stress at localities. We compared these SSD-based predictions with the actual effects on stream invertebrates quantified by the SPEARpesticides bioindicator. The results show that the msPAFs correlated well with the bioindicator, however, the generally accepted SSD threshold msPAF of 0.05 (5% of species are predicted to be affected) severely underestimated the observed effects (msPAF values causing significant effects are 2-1000-times lower). These results demonstrate that validation with field data is required to define the appropriate thresholds for SSD predictions.
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Affiliation(s)
- S Smetanová
- Masaryk University, Faculty of Science, RECETOX, Kamenice 5, 62500 Brno, Czech Republic
| | - L Bláha
- Masaryk University, Faculty of Science, RECETOX, Kamenice 5, 62500 Brno, Czech Republic
| | - M Liess
- UFZ - Helmholtz Centre for Environmental Research, Dept. System Ecotoxicology, Permoser Strasse 15, 04318 Leipzig, Germany
| | - R B Schäfer
- Quantitative Landscape Ecology, Institute for Environmental Sciences, University of Koblenz-Landau, Fortstraße 7, 76829 Landau, Germany
| | - M A Beketov
- UFZ - Helmholtz Centre for Environmental Research, Dept. System Ecotoxicology, Permoser Strasse 15, 04318 Leipzig, Germany.
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Fàbrega F, Marquès M, Ginebreda A, Kuzmanovic M, Barceló D, Schuhmacher M, Domingo JL, Nadal M. Integrated Risk Index of Chemical Aquatic Pollution (IRICAP): case studies in Iberian rivers. JOURNAL OF HAZARDOUS MATERIALS 2013; 263 Pt 1:187-196. [PMID: 23810233 DOI: 10.1016/j.jhazmat.2013.06.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2013] [Revised: 05/31/2013] [Accepted: 06/02/2013] [Indexed: 06/02/2023]
Abstract
The hazard of chemical compounds can be prioritized according to their PBT (persistence, bioaccumulation, toxicity) properties by using Self-Organizing Maps (SOM). The objective of the present study was to develop an Integrated Risk Index of Chemical Aquatic Pollution (IRICAP), useful to evaluate the risk associated to the exposure of chemical mixtures contained in river waters. Four Spanish river basins were considered as case-studies: Llobregat, Ebro, Jucar and Guadalquivir. A SOM-based hazard index (HI) was estimated for 205 organic compounds. IRICAP was calculated as the product of the HI by the concentration of each pollutant, and the results of all substances were aggregated. Finally, Pareto distribution was applied to the ranked lists of compounds in each site to prioritize those chemicals with the most significant incidence on the IRICAP. According to the HI outcomes, perfluoroalkyl substances, as well as specific illicit drugs and UV filters, were among the most hazardous compounds. Xylazine was identified as one of the chemicals with the highest contribution to the total IRICAP value in the different river basins, together with other pharmaceutical products such as loratadine and azaperol. These organic compounds should be proposed as target chemicals in the implementation of monitoring programs by regulatory organizations.
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Affiliation(s)
- Francesc Fàbrega
- Laboratory of Toxicology and Environmental Health, School of Medicine, IISPV, Universitat Rovira i Virgili, Reus, Catalonia, Spain; Environmental Engineering Laboratory, Departament d'Enginyeria Química, Universitat Rovira i Virgili, Tarragona, Catalonia, Spain
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34
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López-Roldán R, Jubany I, Martí V, González S, Cortina JL. Ecological screening indicators of stress and risk for the Llobregat river water. JOURNAL OF HAZARDOUS MATERIALS 2013; 263 Pt 1:239-247. [PMID: 23911059 DOI: 10.1016/j.jhazmat.2013.07.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2013] [Revised: 07/05/2013] [Accepted: 07/06/2013] [Indexed: 06/02/2023]
Abstract
The objective of this article is to develop and apply several simple and rough indicators for river aquatic ecosystems assessment in order to screen potential chemical stressors. Several indicators, based on toxicity (PNEC) and on legislation levels (EQS) have been developed. All these indicators are ratios that were calculated by using public and private data of concentrations of a large list of compounds during a period of five years, including metals and organic compounds in the lower part of the Llobregat river basin at the intake of the drinking water treatment plant. Additionally, new campaigns were executed for increasing the information available on the presence of compounds not routinely analyzed, such as some other pesticides and pharmaceuticals. In the case of inorganic pollutants, the indicators obtained in this river section showed significant risk especially for zinc, but also for copper, nickel and barium. For organic pollutants, the pesticides terbuthylazine, diazinon, 2-methyl-4-chlorophenoxyacetic (MCPA), and in a few cases, chlorpyrifos and lindane, also showed indexes above the threshold. Among the pharmaceuticals, the antibiotics clarithromycin and ciprofloxacin were the only ones with risk indicators adverse to ecosystems. The specific values of the indexes obtained rely on the quantity and quality of the data available, so their interpretation should take into account that some values can be high due to the use of too conservative toxicological information.
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35
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Ma XY, Wang XC, Hao Ngo H, Guo W, Wu MN, Wang N. Reverse osmosis pretreatment method for toxicity assessment of domestic wastewater using Vibrio qinghaiensis sp.-Q67. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2013; 97:248-254. [PMID: 23988093 DOI: 10.1016/j.ecoenv.2013.08.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2013] [Revised: 07/31/2013] [Accepted: 08/01/2013] [Indexed: 06/02/2023]
Abstract
Luminescent bacterial test is a fast and sensitive method for acute toxicity assessment of water and wastewater. In this study, an improved toxicity testing method was developed using the freshwater luminescent bacteria Vibrio qinghaiensis sp.-Q67 that involved pretreatment of water samples with reverse osmosis (RO) to eliminate the interferences caused by nutrients in concentrated samples and to improve the reliability and sensitivity of the analysis. Because water samples contain low concentrations of several target toxic substances, rapid acute toxicity testing method that is commonly employed does not achieve enough sensitivity. The proposed RO pretreatment could effectively enrich organic and inorganic substances in water samples to enable a more effective and sensitive toxicity evaluation. The kinetic characteristics of toxicity of raw sewage and secondary effluent were evaluated based on the relative luminescence unit (RLU) curves and time-concentration-effect surfaces. It was observed that when the exposure time was prolonged to 8-h or longer, the bacteria reached the logarithmic growth stage. Hence, the stimulating effects of the coexisting ions (such as Na(+), K(+), NO3(-)) in the concentrated samples could be well eliminated. A 10-h exposure time in proposed Q67 test was found to quantitatively evaluate the toxicity of the organic and inorganic pollutants in the RO-concentrated samples.
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Affiliation(s)
- Xiaoyan Y Ma
- Key Lab of Northwest Water Resources, Environment and Ecology, Ministry of Education, Xi'an University of Architecture and Technology, Xi'an 710055, China
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36
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Guénard G, Legendre P, Peres-Neto P. Phylogenetic eigenvector maps: a framework to model and predict species traits. Methods Ecol Evol 2013. [DOI: 10.1111/2041-210x.12111] [Citation(s) in RCA: 80] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Guillaume Guénard
- Département de sciences biologiques; Universitéde Montréal; CP 6128 Succ. Centre-Ville Montréal QC H3C 3J7 Canada
| | - Pierre Legendre
- Département de sciences biologiques; Universitéde Montréal; CP 6128 Succ. Centre-Ville Montréal QC H3C 3J7 Canada
| | - Pedro Peres-Neto
- Canada Research Chair in Spatial Modeling and Biodiversity; Département des sciences biologiques; Universitédu Québec à Montréal; CP 8888 Succ. Centre-Ville Montréal QC H3C 3P8 Canada
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Gregorio V, Chèvre N, Junghans M. Critical issues in using the common mixture toxicity models concentration addition or response addition on species sensitivity distributions: a theoretical approach. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2013; 32:2387-2395. [PMID: 23804417 DOI: 10.1002/etc.2320] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2013] [Revised: 04/08/2013] [Accepted: 06/19/2013] [Indexed: 06/02/2023]
Abstract
The risk of chemical mixtures to ecosystems is often assessed by applying the model of concentration addition or response addition combined with species sensitivity distribution (SSD) curves. Mixture effect predictions have been shown to be consistent only when these models are applied for a single species, however, and not with several species simultaneously aggregated to SSDs. The more stringent procedure for mixture risk assessment would hence be to apply first the concentration addition or response addition models to each species separately and, in a second step, to combine the results to construct an SSD for a mixture. Unfortunately, this methodology is not applicable in most cases because the large data sets it requires are usually unavailable. Based on theoretical data sets generated, the authors aimed to characterize the difference that can exist between these 2 methodologies. Results show that the use of concentration addition on SSD directly may lead to underestimations of the mixture concentration affecting 5% or 50% of species, especially when substances present a large standard deviation in ecotoxicity data constructing their SSD. The application of response addition can lead to over- or underestimations, depending mainly on the slope of the dose–response curves of the individual species. When assessing the risk of mixtures, one must therefore keep in mind this source of error when applying concentration addition or response addition to SSDs directly.
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Affiliation(s)
- Vincent Gregorio
- Institute of Earth Sciences, Faculty of Geosciences and Environment, University of Lausanne, Lausanne, Switzerland.
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38
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Jesenska S, Nemethova S, Blaha L. Validation of the species sensitivity distribution in retrospective risk assessment of herbicides at the river basin scale-the Scheldt river basin case study. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2013; 20:6070-6084. [PMID: 23532537 DOI: 10.1007/s11356-013-1644-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2012] [Accepted: 03/13/2013] [Indexed: 06/02/2023]
Abstract
Species sensitivity distribution (SSD) is commonly used in prospective risk assessment to derive predicted no-effect concentrations, toxicity exposure ratios, and environmental quality standards for individual chemicals such as pesticides. The application of SSD in the retrospective risk assessment of chemical mixtures at the river basin scale (i.e., the estimation of "multiple substance potentially affected fractions" [msPAFs]) has been suggested, but detailed critical assessment of such an application is missing. The present study investigated the impact of different data validation approaches in a retrospective model case study focused on seven herbicides monitored at the Scheldt river basin (Belgium) between 1998 and 2009. The study demonstrated the successful application of the SSD approach. Relatively high impacts of herbicides on aquatic primary producers were predicted. Often, up to 40 % of the primary producer communities were affected, as predicted by chronic msPAF, and in some cases, the predicted impacts were even more pronounced. The risks posed by the studied herbicides decreased during the 1998-2009 period, along with decreasing concentrations of highly toxic pesticides such as simazine or isoproturon. Various data validation approaches (the removal of duplicate values and outliers, the testing of different exposure durations and purities of studied herbicides, etc.) substantially affected SSD at the level of individual studied compounds. However, the time-consuming validation procedures had only a minor impact on the outcomes of the retrospective risk assessment of herbicide mixtures at the river basin scale. Selection of the appropriate taxonomic group for SSD calculation and selection of the species-specific endpoint (i.e., the most sensitive or average value per species) were the most critical steps affecting the final risk values predicted. The present validation study provides a methodological basis for the practical use of SSD in the retrospective risk assessment of chemical mixtures.
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Affiliation(s)
- Sona Jesenska
- Research Centre for Toxic Compounds in the Environment (RECETOX), Faculty of Science, Masaryk University, Kamenice 5, 62500, Brno, Czech Republic
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Ren Z, Zeng Y, Fu X, Zhang G, Chen L, Chen J, Chon TS, Wang Y, Wei Y. Modeling macrozooplankton and water quality relationships after wetland construction in the Wenyuhe River Basin, China. Ecol Modell 2013. [DOI: 10.1016/j.ecolmodel.2012.08.025] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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40
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Petersen J, Grant R, Larsen SE, Blicher-Mathiesen G. Sampling of herbicides in streams during flood events. JOURNAL OF ENVIRONMENTAL MONITORING : JEM 2012; 14:3284-94. [PMID: 23152196 DOI: 10.1039/c2em30771e] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2023]
Abstract
In stream water xenobiotics usually occur as pulses in connection with floods caused by surface run-off and tile drainage following precipitation events. In streams located in small agricultural catchments we monitored herbicide concentrations during flood events by applying an intensive sampling programme of ½ h intervals for 7 h. In contrast to grab sampling under non-flood conditions, clearly elevated concentrations were recorded during the floods, and pulses varying in occurrence, duration and concentration were recorded. Pulses of recently applied herbicides were the most prominent, but also agricultural herbicides used in previous seasons caused pulses in the streams. Asynchronism of chemographs may be related to the characteristics of the compounds as well as their transport pathways and transformation in compartments between the source and the point of sampling in the stream. Thus, the occurrence of chemographs is difficult to predict, which ought to be taken into account when designing a sampling strategy. Even though the chemographs of herbicides and their transformation products (glyphosate and aminomethylphosphonic acid (AMPA) as well as terbuthylazine and desethylterbuthylazine) seem to be synchronous, their occurrence may still be difficult to predict. It is evident that grab sampling under non-flood conditions yields insufficient information on the dynamics of occurrence of herbicides in stream water, both with respect to environmental effects and the calculation of the load to a recipient. In conclusion, the design of a sampling strategy regarding herbicides in stream waters should adequately consider the aim of the investigation.
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Affiliation(s)
- Jens Petersen
- Department of Bioscience, Aarhus University, Vejlsøvej 25, DK-8600 Silkeborg, Denmark.
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López-Doval JC, De Castro-Català N, Andrés-Doménech I, Blasco J, Ginebreda A, Muñoz I. Analysis of monitoring programmes and their suitability for ecotoxicological risk assessment in four Spanish basins. THE SCIENCE OF THE TOTAL ENVIRONMENT 2012; 440:194-203. [PMID: 22858355 DOI: 10.1016/j.scitotenv.2012.07.035] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2012] [Revised: 07/10/2012] [Accepted: 07/10/2012] [Indexed: 06/01/2023]
Abstract
Data from four Spanish basin management authorities were analysed. Chemical and biological data from four Spanish basin management authorities were analysed, focusing on three consecutive years. Aims were to i) determine the chemicals most likely responsible for the environmental toxicological risk in the four Spanish basins and ii) investigate the relationships between toxicological risk and biological status in these catchments. The toxicological risk of chemicals was evaluated using the toxic unit (TU) concept. With these data we considered if the potential risk properly reflects the risk to the community or, alternatively, if new criteria should be developed to improve risk assessment. Data study revealed inadequacies in processing and monitoring that should be improved (e.g., site coincidence for chemical and biological sampling). Analysis of the chemical data revealed high potential toxicological risk in the majority of sampling points, to which metals were the main contributors to this risk. However, clear relationships between biological quality and chemical risk were found only in one river. Further investigation of metal toxicity may be necessary, and future analyses are necessary to accurately estimate the risk to the environment.
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Affiliation(s)
- Julio C López-Doval
- Department of Ecology, University of Barcelona,. 643 Diagonal Ave., 08028 Barcelona, Spain.
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Munné A, Tirapu L, Solà C, Olivella L, Vilanova M, Ginebreda A, Prat N. Comparing Chemical and Ecological Status in Catalan Rivers: Analysis of River Quality Status Following the Water Framework Directive. THE HANDBOOK OF ENVIRONMENTAL CHEMISTRY 2012. [DOI: 10.1007/978-3-642-25722-3_9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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