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Hu C, Lai C, Yu R, Chen Y, Shen Z, Lu W, Yuan X. Effects of Heavy Metal Pollution on the Element Distribution in Hydrobios. TOXICS 2024; 12:479. [PMID: 39058131 PMCID: PMC11281078 DOI: 10.3390/toxics12070479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2024] [Revised: 06/25/2024] [Accepted: 06/25/2024] [Indexed: 07/28/2024]
Abstract
At a time when heavy metal pollution is increasing, assessing the levels of contamination and associated health risks is crucial. Samples of water, aquatic plants, and fish were collected from four key areas of heavy metal pollution prevention and control in Zhejiang Province. The levels of elements were analyzed using inductively coupled plasma optical emission spectrometry (ICP-OES). A human health risk model was also developed. The study revealed that heavy metal pollution in the five industrial zones exceeded the national standard for Class V water. Elements like arsenic (As), cadmium (Cd), and chromium (Cr) exceeded permissible levels in aquatic plants across all industrial zones; the exception was lead (Pb). Moreover, the heavy metal concentrations in subject fish tissues collected from each industrial area exceeded safe limits, especially in the gut. According to the human health risk evaluation model, the health risk (1.12 × 10-3) and children's health risk (1.10 × 10-3) in these prevention and control zones surpassed the maximum acceptable human risk values. In conclusion, heavy metal elements, along with other pollutants, accumulate and become concentrated in the examined aquatic plants and fish. These pollutants move through the food chain, impacting the entire aquatic ecosystem and posing a health risk to nearby populations.
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Affiliation(s)
| | | | | | | | | | | | - Xiaofeng Yuan
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou 310053, China; (C.H.); (C.L.); (R.Y.); (Y.C.); (Z.S.); (W.L.)
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Hernández-Pérez C, Martínez-López S, Martínez-Sánchez MJ, Martínez-Martínez LB, García-Lorenzo ML, Perez Sirvent C. In Situ Use of Mining Substrates for Wetland Construction: Results of a Pilot Experiment. PLANTS (BASEL, SWITZERLAND) 2024; 13:1161. [PMID: 38674567 PMCID: PMC11054235 DOI: 10.3390/plants13081161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 04/11/2024] [Accepted: 04/18/2024] [Indexed: 04/28/2024]
Abstract
This paper evaluates an experimental wetland as part of a pilot soil reclamation project in a mining area. The wetland was constructed using materials of mining origin from the area; most reactive materials of acid pH were stabilised using limestone filler. The study selected macrophytes that are tolerant to potentially toxic elements (PTEs) and resistant to salinity, namely Phragmites australis, Juncus effusus, and Iris pseudacorus. These macrophytes were then placed in pots containing substrates composed of different mixtures of topsoil, peat, and mining waste (black or yellow sand). A thorough analysis of the physicochemical and mineralogical characteristics of the materials included studies of PTE mobilisation. This study emphasises the significance of the rhizosphere in directing the transfer of PTEs to the plant and the correlation between the substrate and the development of plant defence mechanisms, such as the formation of Fe-plates. Scanning electron microscopy was used to highlight these aspects and validate the results of the analytical determinations. These wetlands can be proposed as a phytoremediation strategy for areas affected by mining and maritime influence. They are easy to construct and remain stable, providing important ecosystem services such as the natural attenuation of acid mine drainage, support for vegetation development and fauna, and a clean ecosystem.
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Affiliation(s)
- Carmen Hernández-Pérez
- Department of Agricultural Chemistry, Geology and Pedology, Faculty of Chemistry, University of Murcia, 30100 Murcia, Spain; (C.H.-P.); (S.M.-L.); (M.J.M.-S.); (L.B.M.-M.)
| | - Salvadora Martínez-López
- Department of Agricultural Chemistry, Geology and Pedology, Faculty of Chemistry, University of Murcia, 30100 Murcia, Spain; (C.H.-P.); (S.M.-L.); (M.J.M.-S.); (L.B.M.-M.)
| | - María José Martínez-Sánchez
- Department of Agricultural Chemistry, Geology and Pedology, Faculty of Chemistry, University of Murcia, 30100 Murcia, Spain; (C.H.-P.); (S.M.-L.); (M.J.M.-S.); (L.B.M.-M.)
| | - Lucia Belén Martínez-Martínez
- Department of Agricultural Chemistry, Geology and Pedology, Faculty of Chemistry, University of Murcia, 30100 Murcia, Spain; (C.H.-P.); (S.M.-L.); (M.J.M.-S.); (L.B.M.-M.)
| | - María Luz García-Lorenzo
- Department of Mineralogy and Petrology, Faculty of Geology, Complutense University of Madrid, 28040 Madrid, Spain;
| | - Carmen Perez Sirvent
- Department of Agricultural Chemistry, Geology and Pedology, Faculty of Chemistry, University of Murcia, 30100 Murcia, Spain; (C.H.-P.); (S.M.-L.); (M.J.M.-S.); (L.B.M.-M.)
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Sarkar DJ, Das Sarkar S, V SK, Chanu TN, Banerjee T, Chakraborty L, Bhor M, Nag SK, Samanta S, Das BK. Ameliorative effect of natural floating island as fish aggregating devices on heavy metals distribution in a freshwater wetland. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 336:122428. [PMID: 37611791 DOI: 10.1016/j.envpol.2023.122428] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 08/18/2023] [Accepted: 08/19/2023] [Indexed: 08/25/2023]
Abstract
Growing human population and climate change are leading reasons for water quality deterioration globally; and ecologically important waterbodies including freshwater wetlands are in a vulnerable state due to increasing concentrations of pollutants like heavy metals. Given the declining health of these valuable resources, the present study was conducted to evaluate the effect of natural floating island in the form of fish aggregating devices (FADs) made of native weed mass on the distribution of heavy metals in the abiotic and bio compartments of a freshwater wetland. Lower concentrations of surface water heavy metals were observed inside the FADs with a reduction of 73.91%, 65.22% and 40.57-49.16% for Cd, Pb and other metals (viz. Co, Cr, Cu, Ni and Zn), respectively as compared to outside FAD. These led to 14.72-55.39% reduction in the heavy metal pollution indices inside the FAD surface water. The fish species inside the FADs were also found less contaminated (24.07-25.07% reduction) with lower health risk indices. The study signifies the valuable contribution of natural floating island as FADs in ameliorating the effect of heavy metals pollution emphasizing the tremendous role of the natural floating islands in sustainable maintenance of freshwater wetlands for better human health and livelihood.
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Affiliation(s)
- Dhruba Jyoti Sarkar
- Aquatic Environmental Biotechnology Nanotechnology Division, ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata, 700120, India.
| | - Soma Das Sarkar
- Fisheries Resource Assessment & Informatics Division, ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata, 700120, India
| | - Santhana Kumar V
- Aquatic Environmental Biotechnology Nanotechnology Division, ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata, 700120, India
| | - Thangjam Nirupada Chanu
- Fisheries Resource Assessment & Informatics Division, ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata, 700120, India
| | - Tanushree Banerjee
- Aquatic Environmental Biotechnology Nanotechnology Division, ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata, 700120, India
| | - Lokenath Chakraborty
- Fisheries Resource Assessment & Informatics Division, ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata, 700120, India
| | - Manisha Bhor
- Fisheries Resource Assessment & Informatics Division, ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata, 700120, India
| | - Subir Kumar Nag
- Fisheries Resource Assessment & Informatics Division, ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata, 700120, India
| | - Srikanta Samanta
- Riverine and Estuarine Fisheries Division, ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata, 700120, India
| | - Basanta Kumar Das
- Aquatic Environmental Biotechnology Nanotechnology Division, ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata, 700120, India.
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Baharvand AB, Lorestani B, Sadr MK, Cheraghi M, Sobhanardakani S. Feasibility Study on Phytoremediation of Potentially Toxic Elements (Cd, Ni and Pb) in Aquatic Environments Using Suaeda maritima Plant Species, a Case Study: Khorkhoran International Wetland, Persian Gulf. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2023; 111:32. [PMID: 37642695 DOI: 10.1007/s00128-023-03797-3] [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: 03/14/2023] [Accepted: 08/22/2023] [Indexed: 08/31/2023]
Abstract
The current study was designed to assess the phytoremediation potential of Suaeda maritima has been assessed for cleanup of contaminated sediments with Cd, Ni and Pb. In so doing, totally, 20 sampling sites were selected in the Khorkhoran International Wetland. The contents of elements in sediments, plant organs and water samples were determined using ICP-OES. The mean contents of Cd, Ni and Pb (mg/kg) in the sediment samples were found to be 0.096, 38.1 and 1.78, respectively. Moreover, the mean levels of Cd, Ni and Pb (mg/kg) in root samples of S. maritime were 0.160, 2.72 and 1.22 respectively; whereas, in leaf samples they were found to be 0.157, 3.34 and 2.23 mg/kg, respectively. Furthermore, the mean contents of Cd, Ni and Pb (µg/L) in water samples were 243, 1440 and 3010, respectively. The values of BCF for Cd, BAF for Cd and Pb, and TF for Ni and Pb were higher than 1, which would indicate that S. maritima could possibly be a suitable candidate for the phytostabilization of Cd and the phytoextraction of Ni and Pb.
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Affiliation(s)
- Abed Babak Baharvand
- Department of the Environment, College of Basic Sciences, Hamedan Branch, Islamic Azad University, Hamedan, Iran
| | - Bahareh Lorestani
- Department of the Environment, College of Basic Sciences, Hamedan Branch, Islamic Azad University, Hamedan, Iran.
| | - Maryam Kiani Sadr
- Department of the Environment, College of Basic Sciences, Hamedan Branch, Islamic Azad University, Hamedan, Iran
| | - Mehrdad Cheraghi
- Department of the Environment, College of Basic Sciences, Hamedan Branch, Islamic Azad University, Hamedan, Iran
| | - Soheil Sobhanardakani
- Department of the Environment, College of Basic Sciences, Hamedan Branch, Islamic Azad University, Hamedan, Iran
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Ghosh S. Economic and socioecological perspectives of urban wetland loss and processes: a study from literatures. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:66514-66537. [PMID: 37119484 DOI: 10.1007/s11356-023-27123-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 04/16/2023] [Indexed: 05/25/2023]
Abstract
Existing literatures across the world highlighted the causes and rate of wetland loss; however, so far, no researches tried to analyze how these are guided by the socioeconomic and ecological conditions. The current review work wished to explore how economic and socioecological perspectives could control the rate and drivers of urban wetland loss. Through meta-analysis, this study also intended to explore the changing polarity in research publication and collaborative research. Total 287 original research articles indicating the rates and drivers of wetland loss from 1990 to June 2022 for the first objective and 1500 articles focusing wetland researches from Dimensions AI database for the last objective were taken.Results clearly revealed that the rate of urban wetland loss varies from 0.03 to 3.13% annually, and three main drivers like built-up, agricultural expansions, pollution were identified all across the world. Loss rate was found maximum in the developing and least developed countries. Pollution, built-up expansion, and agriculture expansion, respectively, in developed, developing, and least developed nations were identified as the most dominant drivers of urban wetland loss. Linking loss rate and drivers with socioecological and economic perspectives revealed that human development index (HDI), ecological performance index (EPI), sustainable development goal index (SDGI), and social progress index (SPI) is negatively associated with the rate of urban wetland loss. Contrarily, a poverty rate encouraged higher rate of loss. This study articulated that improving these socioecological and economic conditions could help wetland conservation and restoration to achieve SDGs.
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Affiliation(s)
- Susmita Ghosh
- Department of Geography, University of Gour Banga, Malda, India
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6
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Yu Y, Zhan C, Li Y, Zhou D, Yu J, Yang J. A comparison of metal distribution in surface soil between wetland and farmland in the Sanjiang plain. HYDRORESEARCH 2023. [DOI: 10.1016/j.hydres.2023.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
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7
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Huang G, Wang X, Chen D, Wang Y, Zhu S, Zhang T, Liao L, Tian Z, Wei N. A hybrid data-driven framework for diagnosing contributing factors for soil heavy metal contaminations using machine learning and spatial clustering analysis. JOURNAL OF HAZARDOUS MATERIALS 2022; 437:129324. [PMID: 35714539 DOI: 10.1016/j.jhazmat.2022.129324] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 05/28/2022] [Accepted: 06/06/2022] [Indexed: 06/15/2023]
Abstract
The efficacy of source apportionment is often limited by a lack of information on natural and anthropogenic contributing factors influencing soil heavy metal (HM) contaminations. To overcome this limitation and develop the data mining methods, a novel hybrid data-driven framework was proposed to diagnose the contributing factors in an industrialized region in Guangdong Province, China, mainly using a combination of naive Bayes (NB), random forest (RF), and bivariate local Moran's I (BLMI) on the basis of the multi-source big data. The medium industry types of enterprises from the freely available Baidu point of interest data were successfully classified, and then the 250 contaminating enterprises as a contributing factor were identified by the optimized NB classifier. The quantitative contributions of the nine contributing factors for the As, Cd, and Hg concentrations were determined by the optimized RF. The twelve spatial clustering maps between the three HM concentrations and the four key contributing factors were generated by BLMI, explicitly revealing their mutual interactions and internal effects and also intuitively showing the "high-high" areas and their distributions. This framework can obtain rich information on contributing factors such as medium industry types, contribution rates, spatial clusters, and spatial distributions.
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Affiliation(s)
- Guoxin Huang
- Chinese Academy of Environmental Planning, Beijing 100012, China
| | - Xiahui Wang
- Chinese Academy of Environmental Planning, Beijing 100012, China.
| | - Di Chen
- Chinese Academy of Environmental Planning, Beijing 100012, China; China University of Geosciences (Beijing), Beijing 100083, China
| | - Yipeng Wang
- Chinese Academy of Environmental Planning, Beijing 100012, China
| | - Shouxin Zhu
- Wuhan Surveying-Geotechnical Research Institute Co., Ltd., MCC, Wuhan 430080, China
| | - Tao Zhang
- Chinese Academy of Environmental Planning, Beijing 100012, China; China University of Geosciences (Beijing), Beijing 100083, China
| | - Lei Liao
- Research Institute No. 290, CNNC, Shaoguan 512029, China
| | - Zi Tian
- Chinese Academy of Environmental Planning, Beijing 100012, China
| | - Nan Wei
- Chinese Academy of Environmental Planning, Beijing 100012, China
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8
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Yang F, Gato-Trinidad S, Hossain I. New insights into the pollutant composition of stormwater treating wetlands. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 827:154229. [PMID: 35248643 DOI: 10.1016/j.scitotenv.2022.154229] [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: 10/05/2021] [Revised: 02/01/2022] [Accepted: 02/25/2022] [Indexed: 06/14/2023]
Abstract
With intensified climate change and urbanisation, constructed wetland (CW) serves as an alternative to conventional wastewater treatment plants. In Australia, the primary function of CW is to reduce sediments, nutrients from runoffs and attenuate floods. However, water quality analysis after construction is limited, hence, pollutant composition in established CWs and target pollutants in many guidelines remain outdated. To refresh the understanding of pollutants in urban discharges, this study reviewed two CWs in industrialised regions of Victoria, Australia. A total number of 26 pollutants were analysed in the collected water and sediment samples from both CW. The findings highlighted excessive concentrations of Zinc, Aluminium, Iron and Copper in one wetland and less commonly found pollutants like Barium, Titanium and Strontium are also detected. While Arsenic, Zinc, Copper, Nickel and hydrocarbons' accumulations are particularly significant in the other wetland. This study also reviews the pollutants discovered in 136 stormwater wetlands and covers the sources and impacts of various metal pollutants in stormwater runoffs. Overall, it is found that the concentrations of Zinc, Aluminium and Iron are particularly high in the CWs reviewed. This study brings attention to the pollutants profile of established CWs and the impact of heavy metals on the aquatic environment. The findings from this research revealed that the existing design and management guidelines for constructed wetlands in urban catchments are lacking in reduction targets for metal pollutants, thus improvements are essential to safeguard the water quality and performance of CWs.
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Affiliation(s)
- Fujia Yang
- School of Engineering, Swinburne University of Technology, Hawthorn, VIC 3122, Australia.
| | - Shirley Gato-Trinidad
- School of Engineering, Swinburne University of Technology, Hawthorn, VIC 3122, Australia
| | - Iqbal Hossain
- School of Engineering, Swinburne University of Technology, Hawthorn, VIC 3122, Australia
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Qu P, Pang M, Wang P, Ma X, Zhang Z, Wang Z, Gong Y. Bioaccumulation of mercury along continuous fauna trophic levels in the Yellow River Estuary and adjacent sea indicated by nitrogen stable isotopes. JOURNAL OF HAZARDOUS MATERIALS 2022; 432:128631. [PMID: 35306412 DOI: 10.1016/j.jhazmat.2022.128631] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 02/14/2022] [Accepted: 03/02/2022] [Indexed: 06/14/2023]
Abstract
Mercury (Hg), and its organic forms, are some of the most hazardous elements, with strong toxicity, persistence, and biological accumulation in marine organisms. Hg accumulation in continuous trophic levels (TL) in marine food chains remains unclear. In this study, individual invertebrate and fish samples collected from the Yellow River Estuary adjacent sea were grouped into continuous TL ranges, and the bioaccumulations of total Hg (THg) and methylmercury (MeHg) were analyzed. The trophic magnification factor in invertebrates and fish was 1.40 and 1.72 for THg, and 2.56 and 2.17 for MeHg, indicating that both THg and MeHg were significantly biomagnified with increasing TL in both invertebrates and fish through trophic transfer. To evaluate the health risk of seafood consumption, the target hazard quotient (THQ) was calculated. Increasing THQ values indicated that the health risks of invertebrate and fish consumption in humans, especially children, were both elevated with increasing TL. THQ values > 1 indicated that consumption of invertebrates at a TL above 4.0 and fish above 4.5 may pose a relatively higher risk for children. Therefore, the consumption of both individual invertebrates and fish at high trophic positions may present greater health risk, especially in young children.
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Affiliation(s)
- Pei Qu
- Observation and Research Station of Bohai Eco-Corridor & Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources of the People's Republic of China, No. 6, Xianxialing Road, Qingdao, China; Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 168, Wenhaizhong Road, Jimo District, Qingdao City, Shandong, China
| | - Min Pang
- Observation and Research Station of Bohai Eco-Corridor & Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources of the People's Republic of China, No. 6, Xianxialing Road, Qingdao, China; Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 168, Wenhaizhong Road, Jimo District, Qingdao City, Shandong, China.
| | - Penggong Wang
- China Certification & Inspection Group Shandong Testing Co., LTD., Jiaozhou District, Qingdao City, Shandong, China
| | - Xuli Ma
- China Certification & Inspection Group Shandong Co., LTD., Shinan District, Qingdao City, Shandong, China
| | - Zhaohui Zhang
- Observation and Research Station of Bohai Eco-Corridor & Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources of the People's Republic of China, No. 6, Xianxialing Road, Qingdao, China; Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 168, Wenhaizhong Road, Jimo District, Qingdao City, Shandong, China
| | - Zongling Wang
- Observation and Research Station of Bohai Eco-Corridor & Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources of the People's Republic of China, No. 6, Xianxialing Road, Qingdao, China; Pilot National Laboratory for Marine Science and Technology (Qingdao), No. 168, Wenhaizhong Road, Jimo District, Qingdao City, Shandong, China
| | - Yuchen Gong
- The Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao City, Shandong, China
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Santos FCF, Verweij RA, van Gestel CAM, Amorim MJB. Toxicokinetics and toxicodynamics of copper and cadmium in the soil invertebrate Enchytraeus crypticus (Oligochaeta). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 236:113485. [PMID: 35390690 DOI: 10.1016/j.ecoenv.2022.113485] [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: 02/01/2022] [Revised: 03/18/2022] [Accepted: 03/30/2022] [Indexed: 06/14/2023]
Abstract
The aim of this study was to evaluate the toxicokinetics-toxicodynamics (TKTD) of Cu and Cd in the soil model organism Enchytraeus crypticus, and assess the development of internal effect concentrations over time. Animals were exposed in LUFA 2.2 soil spiked with increasing concentrations of Cu and Cd. Survival, reproduction and internal metal concentrations in the animals were evaluated at different points in time over a period of 21 days. Internal concentrations increased with time, for Cu reaching a steady state after c. 10 days, except for the highest test concentration, and for Cd continuing to increase after 21 days. Applying a one-compartment model to all data together, estimated uptake and elimination rate constants for Cu and Cd were 0.08 and 0.45 kg soil/kg organism/day and 0.4 and 0.04 per day, respectively. Median lethal concentrations, based on total soil concentrations, decreased with time for Cu and did not reach a steady state level, but they did not change with time for Cd. The LC50inter (based on internal concentrations) was 75 mg Cu/kg body DW and > 800 mg Cd/kg body weight. Animals were able to regulate Cu internal concentrations, keeping them low, while for Cd internal concentrations continued to increase showing lack of regulation and also the importance of exposure time. This study highlights the advantages of using a TKTD approach to understand the relation between organism survival and internal Cu or Cd concentrations over time.
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Affiliation(s)
- Fátima C F Santos
- Department of Biology & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Rudo A Verweij
- Department of Ecological Science, Faculty of Science, Vrije Universiteit Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands
| | - Cornelis A M van Gestel
- Department of Ecological Science, Faculty of Science, Vrije Universiteit Amsterdam, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands
| | - Mónica J B Amorim
- Department of Biology & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal.
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11
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Interpolated Stand Properties of Urban Forest Parks Account for Posted Facial Expressions of Visitors. SUSTAINABILITY 2022. [DOI: 10.3390/su14073817] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Posted facial expressions on social networks have been used as a gauge to assess the emotional perceptions of urban forest visitors. This approach may be limited by the randomness of visitor numbers and park locations, which may not be accounted for by the range of data in local tree inventories. Spatial interpolation can be used to predict stand characteristics and detect their relationship with posted facial expressions. Shaoguan was used as the study area where a tree inventory was used to extract data from 74 forest stands (each sized 30 m × 20 m), in which the range was increased by interpolating the stand characteristics of another 12 urban forest parks. Visitors smiled more in parks in regions with a high population or a large built-up area, where trees had strong trunks and dense canopies. People who displayed sad faces were more likely to visit parks located in regions of hilly mountains or farmlands, where soils had a greater total nitrogen concentration and organic matter. Our study illustrates a successful case in using data from a local tree inventory to predict stand characteristics of forest parks that attracted frequent visits.
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12
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Experimental Research on the Remediation Ability of Four Wetland Plants on Acid Mine Drainage. SUSTAINABILITY 2022. [DOI: 10.3390/su14063655] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
In order to study the economical, efficient, and environmentally friendly techniques for the treatment of acid mine drainage (AMD), this paper investigated the effects of watering with AMD on the growth condition, the resilience of four wetland plants, as well as the uptake and transport of pollutants by plants. The results showed that Typha orientalis was more resistant to AMD (irrigation with AMD increased its catalase activity and glutathione content and promoted its growth), so it was suitable for treating high concentrations of AMD (SO42− ≈ 9400 mg/L); Cyperus glomeratus was suitable for treating medium concentrations of AMD (SO42− ≈ 4600 mg/L); and Scirpus validus and Phragmites australis could be used to treat low concentrations of AMD (SO42− ≈ 2300 mg/L). All four plants could be used for phytoextraction for Mn-contaminated water (TF > 1). Phragmites australis could be used for phytoextraction for Zn-contaminated water, and the other three plants could be used for phytostabilisation for Zn-contaminated water (TF < 1); the microbial biomass in the soil was affected not only by the concentration of AMD but also by plant species. This study provides a scientific basis for the phytoremediation technology of AMD.
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Nabuyanda MM, Kelderman P, van Bruggen J, Irvine K. Distribution of the heavy metals Co, Cu, and Pb in sediments and Typha spp. And Phragmites mauritianus in three Zambian wetlands. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 304:114133. [PMID: 34864515 DOI: 10.1016/j.jenvman.2021.114133] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/29/2021] [Accepted: 11/17/2021] [Indexed: 06/13/2023]
Abstract
Zambia has been mining cobalt (Co), copper (Cu), and lead (Pb) for over a century, with discharges entering wetlands without investigations on the level of sediment pollution and how to solve it. This present study investigated: 1) the extent to which Co, Cu, and Pb that enter through mining wastewater were distributed in the sediment of three wetlands (Uchi, Mufulira, and Kabwe) in Zambia and 2) the accumulation and distribution of the heavy metals in two emergent wetland plants, Phragmites mauritianus, and Typha spp. in order to evaluate their potential for phytoremediation of metals. Samples from three sections (inlet, middle section and outlet) of each wetland were analyzed for the heavy metal contents. Sediment contents of Co and Cu were significantly higher in the Uchi wetland than in the other two, while Pb was significantly higher in the Kabwe wetland. Cu in all the wetlands were found to be at levels considered a threat to aquatic life, with Pb contents in Kabwe a risk to human health. Both P. mauritianus and Typha spp acted as excluder species for Co, Cu, and Pb, showing bioaccumulation factor (BAF) < 1 and Translocation factor (TF) < 1 for all wetlands. As neither species accumulated cellularly toxic concentrations of Co, Cu, and Pb, they could grow in the contaminated sediments. Currently, methods used to solve historic mining impacts in Zambian wetlands aim at improving water flow and reducing flooding without attending to the heavy metal contents of the sediments. From this study, P. mauritianus and Typha spp. provide the potential for phytostabilisation to settle and contain polluted sediments.
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Affiliation(s)
- Misery Mulele Nabuyanda
- Department of Water Science and Engineering (WSE), IHE Delft, Institute for Water Education, Westvest 7, 2601DA, Delft, Netherlands.
| | - Peter Kelderman
- Department of Water Science and Engineering (WSE), IHE Delft, Institute for Water Education, Westvest 7, 2601DA, Delft, Netherlands
| | - Johan van Bruggen
- Department of Water Science and Engineering (WSE), IHE Delft, Institute for Water Education, Westvest 7, 2601DA, Delft, Netherlands
| | - Kenneth Irvine
- Department of Water Science and Engineering (WSE), IHE Delft, Institute for Water Education, Westvest 7, 2601DA, Delft, Netherlands; Aquatic Ecology and Water Quality Management, Wageningen University, P.O. Box 47, 6700AA, Wageningen, the Netherlands
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Arimoro FO, Meme FK, Keke UN. Effects of effluent discharges from a cement factory on the ecology of macroinvertebrates in an Afrotropical river. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:53444-53457. [PMID: 34031823 DOI: 10.1007/s11356-021-14514-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 05/17/2021] [Indexed: 06/12/2023]
Abstract
Cement factory waste water impacts on the ecology of macroinvertebrate assemblages of the Oinyi River, North Central area of Nigeria, were evaluated bi-monthly for 1 year as part of a study to understand the effects of pollution processes in the lotic system that may initiate the development of policy and improved regulation. Three sampling stations, each 100 m long, were selected along 11-km stretch of the river. Station 1, located upstream of the discharge point from the cement factory plant; station 2, immediately downstream of the effluent discharge point; and station 3, 4 km downstream, were sampled. The waste water from the cement effluent factory impacted negatively on the water chemistry by elevating the levels of some heavy metals (Mn, Zn, Cu, and Ni), and other physicochemical parameters such as turbidity, chemical oxygen demand (COD), conductivity, and total suspended solid. A total of 81 macroinvertebrate taxa combined were recorded from the river. The community structure, diversity, and abundance depicted distinct variation between the effluent-impacted site, and the upstream station as the most sensitive macroinvertebrate taxa such as Neoperla and Cheumatopsyche species was completely missing from the effluent-impacted site. The preponderance of some dipteran taxa (Tanypus sp., Eristalis tenax, Simulum sp., Empis sp., and Atherix sp.) and drastic reduction in the Ephemeroptera-Plecoptera-Trichoptera (EPT) organisms in the impacted station is an indication that the chemical components of the cement effluent waste water were lethal to some aquatic forms. Extrapolations from canonical correspondence analysis (CCA) results revealed that turbidity, conductivity, BOD, orthophosphate-phosphorus, and heavy metals were strongly associated with the impacted station. Generally, the community structure of station 1 was more diverse with more sensitive taxa, different from those of stations 2 and 3, which were prone to intense human activities. The need for careful consideration of the water quality and indicator organisms is important for restoration of this river.
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Affiliation(s)
- Francis O Arimoro
- Applied Hydrobiology Unit, Department of Animal Biology, Federal University of Technology, P.M.B, Minna, 65, Nigeria.
| | - Francis K Meme
- Department of Animal and Environmental Biology, Delta State University, P.M.B. 1, Abraka, Nigeria
| | - Unique N Keke
- Applied Hydrobiology Unit, Department of Animal Biology, Federal University of Technology, P.M.B, Minna, 65, Nigeria
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15
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Sheikhzadeh H, Hamidian AH. Bioaccumulation of heavy metals in fish species of Iran: a review. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2021; 43:3749-3869. [PMID: 33818681 DOI: 10.1007/s10653-021-00883-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 03/08/2021] [Indexed: 06/12/2023]
Abstract
Accumulation of heavy metals (HMs) in fish tissues is an important factor in monitoring the health and safety of aquatic ecosystems. Furthermore, fish are important parts of aquatic food chains and play a significant role in human health. Considering the significant role of fish in the diet of humans and their ability to transfer and biomagnify HMs, it is necessary to determine and study these contaminants in fish tissues, especially in the edible parts of the fish. In addition to the other ecological and economic services of aquatic ecosystems, water bodies, especially the Persian Gulf in the south and the Caspian Sea in the north of Iran, are the main sources of seafood for people in nearby areas, as well as people living farther away who have gained access to seafood due to the extensive trade of aquatic organisms. This study provides an overview of the health conditions of the aquatic ecosystems in Iran by monitoring HM bioaccumulation in fish species. For this purpose, we reviewed, summarized, and evaluated papers published on HM concentrations in fish species from different aquatic ecosystems, including the Persian Gulf, the Caspian Sea, wetlands, rivers, qanats, water reservoirs, lakes, and dams, with emphasis on species habitats, feeding habits, and target organs in accumulation of HMs. Generally, the highest concentrations of HMs were observed in fishes collected from the Persian Gulf, followed by species from the Caspian Sea. Species inhabiting the lower zone of the water column and carnivorous and/or omnivorous species showed the highest levels of HMs. Moreover, liver was the main accumulator organ for HMs.
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Affiliation(s)
- Hassan Sheikhzadeh
- Department of Environmental Science and Engineering, Faculty of Natural Resources, University of Tehran, P.O. Box: 4314, 31587-77878, Karaj, Iran
| | - Amir Hossein Hamidian
- Department of Environmental Science and Engineering, Faculty of Natural Resources, University of Tehran, P.O. Box: 4314, 31587-77878, Karaj, Iran.
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16
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Xu F, Jia Y, Wang Y, Zhang F, Li L, Li Y, Ren L, Wang D, Zhang T. Does sand mining affect the remobilization of copper and zinc in sediments? - A case study of the Jialing River (China). ENVIRONMENTAL RESEARCH 2021; 200:111416. [PMID: 34090892 DOI: 10.1016/j.envres.2021.111416] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 05/23/2021] [Accepted: 05/24/2021] [Indexed: 06/12/2023]
Abstract
It is generally accepted that the sand mining industry causes severe destruction in river basin environments. In this study, six sediment cores were collected, and sequential extraction was applied in conjunction with the diffusive gradients in the thin films (DGT) technique to explore the effect of sand mining on the remobilization of Cu and Zn in the sediments. The results showed that Cu and Zn were mainly bound in the residual fraction in the sediments. CDGT-Cu/Zn in the sediments presented obvious increasing trends at the bottom (-9 to -12 cm) at the four sites that experienced sand mining and a decreasing trend at the sites with no sand mining disturbance. Cu and Zn also tended to be transported from the sediments to the overlying water at the four sand mining sites. A correlation analysis found that F1 and F3 correlated well with CDGT-Cu/Zn, indicating that the water/exchangeable fraction and oxidized fraction were the main fractions that led to increases in DGT-labile Cu and Zn in the sediments. Further analysis found that the introduction of oxygen (O2) was the main reason for the simultaneous release of sulfur (S), Cu and Zn in the sediments, as indicated by the "dark area" of AgI gel appearing at the same position as the "hot spot area" of Chelex gel. Two main sand mining effects on the release of Cu and Zn were hypothesized: (1) intense sand disturbance leads to the transfer of the water/exchangeable fraction (F1) to the DGT-labile fraction and (2) O2 introduction promotes the reaction of stable sulfide (F3), thus transferring it to the DGT-labile fraction. The above results indicated that the sand mining industry should be paid much attention in the Jialing River, as it can obviously cause labile Cu and Zn release into the water.
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Affiliation(s)
- Fei Xu
- College of Environmental Science and Engineering, China West Normal University, Nanchong, Sichuan, 637009, China
| | - Yuting Jia
- College of Environmental Science and Engineering, China West Normal University, Nanchong, Sichuan, 637009, China
| | - Yu Wang
- College of Environmental Science and Engineering, China West Normal University, Nanchong, Sichuan, 637009, China
| | - Fubin Zhang
- College of Environmental Science and Engineering, China West Normal University, Nanchong, Sichuan, 637009, China
| | - Lijuan Li
- Institute of Agricultural Environment and Sustainable Development, Chinese Academy of Agriculture Sciences, Beijing, 100081, China
| | - Yunxiang Li
- College of Environmental Science and Engineering, China West Normal University, Nanchong, Sichuan, 637009, China
| | - Liping Ren
- College of Environmental Science and Engineering, China West Normal University, Nanchong, Sichuan, 637009, China
| | - Dan Wang
- College of Environmental Science and Engineering, China West Normal University, Nanchong, Sichuan, 637009, China
| | - Tuo Zhang
- College of Environmental Science and Engineering, China West Normal University, Nanchong, Sichuan, 637009, China; Institute of Agricultural Environment and Sustainable Development, Chinese Academy of Agriculture Sciences, Beijing, 100081, China.
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17
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Horizontal Distribution of Cadmium in Urban Constructed Wetlands: A Case Study. SUSTAINABILITY 2021. [DOI: 10.3390/su13105381] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Here, we used a radioactive distribution approach for water samples from the Liu Shao Yan constructed wetland to investigate the horizontal advection of cadmium (Cd) in this urban constructed wetland. The objective of this study was to assess the effectiveness of Cd removal in constructed wetlands. Additionally, this study examined the factors affecting the horizontal distribution of Cd. Sediment samples were collected from an enclosed wet area. A predictive advection model was executed using a combination of observed Cd concentrations and predicted Cd concentrations from a genetic algorithm–backpropagation artificial neural network (GA–BPANN). A coefficient of variation was used to assess differences in Cd distribution due to flow rate, precipitation, and water plants. Scanning electronic microscopy–energy dispersive spectrometry (SEM–EDS) results suggested that the plant species Pontederia cordata could absorb Cd, but the influence was negligible. All plants investigated in our experiment were unsuitable for Cd removal. However, predictions from the GA–BPANN algorithm indicated that 13–25% of Cd loading was efficiently removed by constructed wetland, which mainly resulted from sediment sorption, bacterial uptake, and the dilution caused by water advection. Consequently, we conclude that the constructed wetlands are an environmentally friendly and cost-effective technology that can remove Cd to a certain extent.
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18
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Santos FCF, van Gestel CAM, Amorim MJB. Toxicokinetics of copper and cadmium in the soil model Enchytraeus crypticus (Oligochaeta). CHEMOSPHERE 2021; 270:129433. [PMID: 33401072 DOI: 10.1016/j.chemosphere.2020.129433] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 12/18/2020] [Accepted: 12/21/2020] [Indexed: 06/12/2023]
Abstract
Toxicokinetics information is key to understanding the underlying intoxication processes, although this is often lacking. Hence, in the present study the toxicokinetics of copper (Cu) and cadmium (Cd) was assessed in the soil invertebrate Enchytraeus crypticus. The animals were exposed in LUFA 2.2 natural soil spiked to the estimated EC20 for reproduction effects in the Enchytraeid Reproduction Test (ERT), i.e. 80 mg Cu/kg soil Dry Weight (DW) and 20 mg Cd/kg soil DW. Tests followed the OECD guideline 317, including a 14-day uptake phase in spiked soil followed by 14 days elimination in clean soil, with samplings at days 0, 1, 2, 4, 7, 10, and 14. Exposure to Cu showed fast uptake, reaching a steady state after approx. 7 days, whereas for Cd, internal concentration increased and did not reach a clear steady state even after 14 days. When transferred to clean soil, Cu was rapidly eliminated returning to initial levels, while Cd-exposed animals still contained increased residue levels after 14 days. These differences in toxicokinetics have consequences for the toxicity and toxicodynamics and are indicative of the way essential and non-essential elements are handled by enchytraeids, likely also other soil invertebrates. This argues for the relevancy of longer exposure testing for elements like Cd compared to Cu, where phenotypical effects can well occur later at non-tested periods, e.g. after the 21 days' duration of the standard ERT using E. crypticus.
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Affiliation(s)
- Fátima C F Santos
- Department of Biology & CESAM, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Cornelis A M van Gestel
- Department of Ecological Science. Faculty of Science, Vrije Universiteit Amsterdam De Boelelaan 1085, 1081, HV Amsterdam, the Netherlands
| | - Mónica J B Amorim
- Department of Biology & CESAM, University of Aveiro, 3810-193, Aveiro, Portugal.
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19
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Wang J, Koopman KR, Collas FPL, Posthuma L, de Nijs T, Leuven RSEW, Hendriks AJ. Towards an ecosystem service-based method to quantify the filtration services of mussels under chemical exposure. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 763:144196. [PMID: 33383510 DOI: 10.1016/j.scitotenv.2020.144196] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 11/26/2020] [Accepted: 11/30/2020] [Indexed: 06/12/2023]
Abstract
As filter-feeders, freshwater mussels provide the ecosystem service (ES) of biofiltration. Chemical pollution may impinge on the provisioning of mussels' filtration services. However, few attempts have been made to estimate the impacts of chemical mixtures on mussels' filtration capacities in the field, nor to assess the economic benefits of mussel-provided filtration services for humans. The aim of the study was to derive and to apply a methodology for quantifying the economic benefits of mussel filtration services in relation to chemical mixture exposure. To this end, we first applied the bootstrapping approach to quantify the filtration capacity of dreissenid mussels when exposed to metal mixtures in the Rhine and Meuse Rivers in the Netherlands. Subsequently, we applied the value transfer method to quantify the economic benefits of mussel filtration services to surface water-dependent drinking water companies. The average mixture filtration inhibition (filtration rate reduction due to exposure to metal mixtures) to dreissenids was estimated to be <1% in the Rhine and Meuse Rivers based on the measured metal concentrations from 1999 to 2017. On average, dreissenids on groynes were estimated to filter the highest percentage of river discharge in the Nederrijn-Lek River (9.1%) and the lowest in the Waal River (0.1%). We estimated that dreissenid filtration services would save 110-12,000 euros/million m3 for drinking water production when abstracting raw water at the end of respective rivers. Economic benefits increased over time due to metal emission reduction. This study presents a novel methodology for quantifying the economic benefits of mussel filtration services associated with chemical pollution, which is understandable to policymakers. The derived approach could potentially serve as a blueprint for developing methods in examining the economic value of other filter-feeders exposed to other chemicals and environmental stressors. We explicitly discuss the uncertainties for further development and application of the method.
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Affiliation(s)
- Jiaqi Wang
- Centre for Sustainability, Environment and Health, National Institute for Public Health and the Environment (RIVM), P.O. Box 1, 3720 BA Bilthoven, the Netherlands; Department of Environmental Science, Institute for Water and Wetland Research, Radboud University, P.O. Box 9010, 6500 GL Nijmegen, the Netherlands.
| | - K Remon Koopman
- Centre for Sustainability, Environment and Health, National Institute for Public Health and the Environment (RIVM), P.O. Box 1, 3720 BA Bilthoven, the Netherlands
| | - Frank P L Collas
- Department of Animal Ecology and Physiology, Institute for Water and Wetland Research, Radboud University, P.O. Box 9010, 6500 GL Nijmegen, the Netherlands; Netherlands Centre of Expertise for Exotic Species (NEC-E), P.O. Box 9010, 6500 GL Nijmegen, the Netherlands
| | - Leo Posthuma
- Centre for Sustainability, Environment and Health, National Institute for Public Health and the Environment (RIVM), P.O. Box 1, 3720 BA Bilthoven, the Netherlands; Department of Environmental Science, Institute for Water and Wetland Research, Radboud University, P.O. Box 9010, 6500 GL Nijmegen, the Netherlands
| | - Ton de Nijs
- Centre for Sustainability, Environment and Health, National Institute for Public Health and the Environment (RIVM), P.O. Box 1, 3720 BA Bilthoven, the Netherlands
| | - Rob S E W Leuven
- Department of Animal Ecology and Physiology, Institute for Water and Wetland Research, Radboud University, P.O. Box 9010, 6500 GL Nijmegen, the Netherlands; Netherlands Centre of Expertise for Exotic Species (NEC-E), P.O. Box 9010, 6500 GL Nijmegen, the Netherlands
| | - A Jan Hendriks
- Department of Environmental Science, Institute for Water and Wetland Research, Radboud University, P.O. Box 9010, 6500 GL Nijmegen, the Netherlands
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20
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Amir W, Farid M, Ishaq HK, Farid S, Zubair M, Alharby HF, Bamagoos AA, Rizwan M, Raza N, Hakeem KR, Ali S. Accumulation potential and tolerance response of Typha latifolia L. under citric acid assisted phytoextraction of lead and mercury. CHEMOSPHERE 2020; 257:127247. [PMID: 32534296 DOI: 10.1016/j.chemosphere.2020.127247] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Revised: 05/11/2020] [Accepted: 05/28/2020] [Indexed: 05/15/2023]
Abstract
Chelate-assisted phytoextraction by high biomass producing macrophyte plant Typha latifolia L. commonly known as cattail, is gaining much attention worldwide. The present study investigated the effects of Lead (Pb) and Mercury (Hg) on physiology and biochemistry of plant, Pb and Hg uptake in T. latifolia with and without citric acid (CA) amendment. The uniform seedlings of T. latifolia were treated with various concentrations in the hydroponics as: Pb and Hg (1, 2.5, 5 mM) each alone and/or with CA (5 mM). After four weeks of treatments, the results revealed that Pb and Hg significantly reduced the plant agronomic traits as compare to non-treated plants. The addition of CA improved the plant physiology and enhanced the antioxidant enzymes activities to overcome Pb and Hg induced oxidative damage and electrolyte leakage. Our results depicted that Pb and Hg uptake and accumulation by T. latifolia was dose depend whereas, the addition of CA further increased the concentration and accumulation of Pb and Hg by up to 22 & 35% Pb and 72 & 40% Hg in roots, 25 & 26% Pb and 85 & 60% Hg in stems and 22 & 15 Pb and 100 & 58% Hg in leaves respectively compared to Pb and Hg treated only plants. On other hand, the root-shoot translocation factor was ≥1 and bioconcentration factor was also ≥2 for both Pb & Hg. The results also revealed that T. latifolia showed greater tolerance towards Hg and accumulated higher Hg in all parts compared with Pb.
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Affiliation(s)
- Waqas Amir
- Department of Environmental Sciences, University of Gujrat, Hafiz Hayat Campus, Gujrat, 50700, Pakistan
| | - Mujahid Farid
- Department of Environmental Sciences, University of Gujrat, Hafiz Hayat Campus, Gujrat, 50700, Pakistan.
| | - Hafiz Khuzama Ishaq
- Department of Environmental Sciences, University of Gujrat, Hafiz Hayat Campus, Gujrat, 50700, Pakistan
| | - Sheharyaar Farid
- Department of Environmental Sciences and Engineering, Government College University, Faisalabad, 38000, Pakistan
| | - Muhammad Zubair
- Department of Chemistry, University of Gujrat, Hafiz Hayat Campus, Gujrat, 50700, Pakistan
| | - Hesham F Alharby
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, 21589, Jeddah, Saudi Arabia
| | - Atif A Bamagoos
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, 21589, Jeddah, Saudi Arabia
| | - Muhammad Rizwan
- Department of Environmental Sciences and Engineering, Government College University, Faisalabad, 38000, Pakistan
| | - Nighat Raza
- Department of Food Science and Technology, Muhammad Nawaz Sharif University of Agriculture, Multan, 60000, Pakistan
| | - Khalid Rehman Hakeem
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, 21589, Jeddah, Saudi Arabia
| | - Shafaqat Ali
- Department of Environmental Sciences and Engineering, Government College University, Faisalabad, 38000, Pakistan; Department of Biological Sciences and Technology, China Medical University, Taichung, 40402, Taiwan.
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Ansari S, Alavi J. Polishing low-biodegradable and saline industrial effluent in a full-scale horizontal subsurface flow constructed wetland: evaluation of bio-treatability and predictive power of kinetic models. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2020; 23:89-101. [PMID: 32723074 DOI: 10.1080/15226514.2020.1797629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
This study evaluates the bio-treatability performance and kinetic models of full-scale horizontal subsurface flow constructed wetland used for the tertiary treatment of composite industrial effluent characterized by high-salt content ranging from 5830 to 10,400 µS/cm and biochemical oxygen demand (BOD5): chemical oxygen demand (COD) ratio below 0.2. The wetland vegetated with Phragmites australis was operated in a semi-arid climate under an average hydraulic loading rate of 63 mm/d. The results of a 4-year operation calculated based on the concentration of pollutants showed that the average removal efficiency of COD, BOD5, and total suspended solids (TSS) were 17.5, 5.1, and 11.2%, respectively. The system reduced up to 6.5 ± 0.7% of electrical conductivity presenting poor phyto-desalination potential without considering the contribution of evapotranspiration in water balance in contrast to satisfying performance for heavy metals reduction. The comparison of the kinetics of organic matter removal obtained by the first-order and Monod models paired with continuous stirred-tank reactor and plug flow regime showed that Monod-plug flow model provided the best fit with the constants of 2.01 g COD/m2·d and 0.3014 g BOD5/m2·d with the best correlation coefficient of 0.610 and 0.968 between the predicted and measured concentrations, respectively. The low kinetic rates indicate that the process is capable of effluent polishing instead of purification due to the presence of organic compounds recalcitrant to biodegradation and a high level of salinity.
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Affiliation(s)
- Sepideh Ansari
- Department of Environmental Sciences and Engineering, Kheradgarayan Motahar Institute of Higher Education, Mashhad, Iran
| | - Javad Alavi
- Department of Environmental Sciences and Engineering, Kheradgarayan Motahar Institute of Higher Education, Mashhad, Iran
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22
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Application of Floating Aquatic Plants in Phytoremediation of Heavy Metals Polluted Water: A Review. SUSTAINABILITY 2020. [DOI: 10.3390/su12051927] [Citation(s) in RCA: 113] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Heavy-metal (HM) pollution is considered a leading source of environmental contamination. Heavy-metal pollution in ground water poses a serious threat to human health and the aquatic ecosystem. Conventional treatment technologies to remove the pollutants from wastewater are usually costly, time-consuming, environmentally destructive, and mostly inefficient. Phytoremediation is a cost-effective green emerging technology with long-lasting applicability. The selection of plant species is the most significant aspect for successful phytoremediation. Aquatic plants hold steep efficiency for the removal of organic and inorganic pollutants. Water hyacinth (Eichhornia crassipes), water lettuce (Pistia stratiotes) and Duck weed (Lemna minor) along with some other aquatic plants are prominent metal accumulator plants for the remediation of heavy-metal polluted water. The phytoremediation potential of the aquatic plant can be further enhanced by the application of innovative approaches in phytoremediation. A summarizing review regarding the use of aquatic plants in phytoremediation is gathered in order to present the broad applicability of phytoremediation.
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23
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Miao X, Hao Y, Zhang F, Zou S, Ye S, Xie Z. Spatial distribution of heavy metals and their potential sources in the soil of Yellow River Delta: a traditional oil field in China. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2020; 42:7-26. [PMID: 30600451 DOI: 10.1007/s10653-018-0234-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Accepted: 12/13/2018] [Indexed: 06/09/2023]
Abstract
In this study, soil samples were collected from different layers throughout the whole Yellow River Delta (YERD), in north China. The total concentration of arsenic (As), cadmium (Cd), chromium (Cr), copper (Cu), mercury (Hg), lead (Pb) and zinc (Zn) was determined to demonstrate their spatial distribution and pollution status in different layers of soils throughout the whole YERD. The obtained results suggested a relatively low contamination of heavy metals as observed through the evaluation of CF and RI. The potential ecological risk of Hg is not so severe. Also, the maximum potential threat could be noted only from Cd instead of Hg based on the widespread degree of pollution, which breaks traditional concept that oil production escalates mercury in the soil. The obtained value of EF proves a higher enrichment of heavy metals in the surface soil than in the layer of deep soil induced by human activities. Human activities only slightly elevate As, Cd and Pb. As has the strongest ability downward to lower layer, followed by Cd and Pb in YERD. The source of heavy metals predominantly stems from natural deposits, and their concentrations are controlled by the nature of their association with the mineral. Overall, it shows that the petroleum industry instead of agriculture could be treated as an important source to bring anthropogenic heavy metals in the soils. The human influence only elevated the concentration of heavy metals in the soil of the areas corresponding to the intensive production of oil. In this study some of the measures have also been proposed to avoid and control soil pollution as well as the health risk caused by heavy metals.
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Affiliation(s)
- Xiongyi Miao
- Institute of Polar Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, China
| | - Yupei Hao
- Key Laboratory of Karst Dynamics, MNR&GZAR, Institute of Karst Geology, CAGS, Guilin, 541004, China
| | - Fawang Zhang
- Key Laboratory of Karst Dynamics, MNR&GZAR, Institute of Karst Geology, CAGS, Guilin, 541004, China
| | - Shengzhang Zou
- Key Laboratory of Karst Dynamics, MNR&GZAR, Institute of Karst Geology, CAGS, Guilin, 541004, China
| | - Siyuan Ye
- Key Laboratory of Coastal Wetlands Biogeosciences, China Geologic Survey, Qingdao Institute of Marine Geology and Laboratory for Marine Geology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, China.
| | - Zhouqing Xie
- Institute of Polar Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, 230026, China.
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Zhen Z, Wang S, Luo S, Ren L, Liang Y, Yang R, Li Y, Zhang Y, Deng S, Zou L, Lin Z, Zhang D. Significant Impacts of Both Total Amount and Availability of Heavy Metals on the Functions and Assembly of Soil Microbial Communities in Different Land Use Patterns. Front Microbiol 2019; 10:2293. [PMID: 31636621 PMCID: PMC6788306 DOI: 10.3389/fmicb.2019.02293] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Accepted: 09/20/2019] [Indexed: 01/01/2023] Open
Abstract
Land use change alters the accumulation of heavy metals (HMs) in soils and might have significant influence on the assembly and functions of soil microbial community. Although numerous studies have discussed the impacts of either total amounts or availability of metals on soil microbes in land change, there is still limited understanding on which one is more critical. In the present study, soils from three land use types (forest, mining field, and operating factory) located in Shaoguan city (Guangdong Province, China) were collected to investigate the impacts of soil HMs on soil enzyme activities and bacterial community structures. Mining activities remarkably increased the concentrations of HMs in soils, and land use patterns changed soil properties and nutrition level. Soil pH, total and available HMs (Cu, Pb, Zn, and Cd) and organic matters (SOM) were identified as the key influential factors shaping soil ecological functions (soil enzyme activities) and community assembly (bacterial community composition), explained by HMs accumulation and soil acidification caused by human activities. In addition, total amount and availability of some metals (Zn, Pb, Cu, and Cd) showed similar and significant effects on soil bacterial communities. Our findings provide new clues for reassessing the environmental risks of HMs in soils with different land use.
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Affiliation(s)
- Zhen Zhen
- Agriculture College, Guangdong Ocean University, Zhanjiang, China
| | - Sibo Wang
- Faculty of Chemistry and Environmental Sciences, Guangdong Ocean University, Zhanjiang, China
| | - Shuwen Luo
- Faculty of Chemistry and Environmental Sciences, Guangdong Ocean University, Zhanjiang, China
| | - Lei Ren
- Agriculture College, Guangdong Ocean University, Zhanjiang, China
| | - Yanqiu Liang
- Faculty of Chemistry and Environmental Sciences, Guangdong Ocean University, Zhanjiang, China
| | - Rongchao Yang
- Agriculture College, Guangdong Ocean University, Zhanjiang, China
| | - Yongtao Li
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou, China
| | - Yueqin Zhang
- Agriculture College, Guangdong Ocean University, Zhanjiang, China
| | - Songqiang Deng
- Research Institute for Environmental Innovation (Tsinghua), Suzhou, China
| | - Lina Zou
- Research Institute for Environmental Innovation (Tsinghua), Suzhou, China
| | - Zhong Lin
- Faculty of Chemistry and Environmental Sciences, Guangdong Ocean University, Zhanjiang, China
| | - Dayi Zhang
- School of Environment, Tsinghua University, Beijing, China
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Estimation of Arsenic Content in Soil Based on Laboratory and Field Reflectance Spectroscopy. SENSORS 2019; 19:s19183904. [PMID: 31510072 PMCID: PMC6767283 DOI: 10.3390/s19183904] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 09/07/2019] [Accepted: 09/09/2019] [Indexed: 12/26/2022]
Abstract
In this study, in order to solve the difficulty of the inversion of soil arsenic (As) content using laboratory and field reflectance spectroscopy, we examined the transferability of the prediction method. Sixty-three soil samples from the Daye city area of the Jianghan Plain region of China were taken and studied in this research. The characteristic wavelengths of soil As content were then extracted from the full bands based on iteratively retaining informative variables (IRIV) coupled with Spearman’s rank correlation analysis (SCA). Firstly, the IRIV algorithm was used to roughly select the original spectral data. Gaussian filtering (GF), first derivative (FD) filtering, and gaussian filtering again (GFA) pretreatments were then used to improve the correlation between the spectra and soil As content. A subset with absolute correlation values greater than 0.6 was then retained as the optimal subset after each pretreatment. Finally, partial least squares regression (PLSR), Bayesian ridge regression (BRR), ridge regression (RR), kernel ridge regression (KRR), support vector machine regression (SVMR), eXtreme gradient boosting (XGBoost) regression, and random forest regression (RFR) models were used to estimate the soil As values using the different characteristic variables. The results showed that, compared with the traditional method based on IRIV, using the characteristic bands selected by the IRIV-SCA method can effectively improve the prediction accuracy of the models. For the laboratory spectra experiment stage, the six most representative characteristic bands were selected. The performance of IRIV-SCA-SVMR was found to be the best, with the coefficient of determination (R2), root-mean-square error (RMSE), and mean absolute error (MAE) in the validation set being 0.97, 0.22, and 0.11, respectively. For the field spectra experiment stage, the 12 most representative characteristic bands were selected. The performance of IRIV-SCA-XGBoost was found to be the best, with the R2, RMSE, and MAE in the validation set being 0.83, 0.35, and 0.29, respectively. The accuracy and stability of the inversion of soil As content are significantly improved by the use of the proposed method, and the method could be used to provide accurate data for decision support for the treatment and recovery of As pollution over a large area.
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Gomes HI, Mayes WM, Whitby P, Rogerson M. Constructed wetlands for steel slag leachate management: Partitioning of arsenic, chromium, and vanadium in waters, sediments, and plants. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2019; 243:30-38. [PMID: 31078927 DOI: 10.1016/j.jenvman.2019.04.127] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 04/03/2019] [Accepted: 04/30/2019] [Indexed: 06/09/2023]
Abstract
Constructed wetlands can treat highly alkaline leachate resulting from the weathering of steel slag before reuse (e.g. as aggregate) or during disposal in repositories and legacy sites. This study aimed to assess how metal(loid)s soluble at high pH, such as arsenic (As), chromium (Cr), and vanadium (V) are removed in constructed wetlands and how they accumulate in the sediments and the plants (Phragmites australis, common reed). The results show that reedbeds were very effective at removing calcium (98%), aluminium (81%), barium (98%), chromium (90%), gallium (80%), nickel (98%), and zinc (98%), and lowering pH and alkalinity. No statistical difference was found for As and V between leachate influent and wetland samples, showing that these metal(loid)s were not efficiently removed. As, Cr, and V were significantly higher in the reedbed sediments than in a reference site. However, sediment concentrations are not at levels that would pose a concern regarding reuse for agricultural purposes (average values of 39 ± 26 mg kg-1 for As, 108 ± 15 mg kg-1 for Cr, and 231 ± 34 mg kg-1 for V). Also, there is no significant uptake of metals by the aboveground portions of the reeds compared to reference conditions. Results show statistically significant enrichment in metal(loid)s in rhizomes and also a seasonal effect on the Cr concentrations. The data suggest minimal risk of oxyanion-forming element uptake and cycling in wetlands receiving alkaline steel slag.
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Affiliation(s)
- Helena I Gomes
- Department of Geography, Geology and Environment, University of Hull, Cottingham Road, Hull, HU6 7RX, UK; Food, Water, Waste Research Group; Faculty of Engineering, University of Nottingham, University Park, Nottingham, NG7 2RD, UK.
| | - William M Mayes
- Department of Geography, Geology and Environment, University of Hull, Cottingham Road, Hull, HU6 7RX, UK
| | - Paul Whitby
- British Steel, Brigg Road, Scunthorpe, DN16 1BP, UK
| | - Mike Rogerson
- Department of Geography, Geology and Environment, University of Hull, Cottingham Road, Hull, HU6 7RX, UK
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27
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Zhao Z, Xu C, Zhang X, Song X. Addition of iron materials for improving the removal efficiencies of multiple contaminants from wastewater with a low C/N ratio in constructed wetlands at low temperatures. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:11988-11997. [PMID: 30827018 DOI: 10.1007/s11356-019-04648-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Accepted: 02/19/2019] [Indexed: 06/09/2023]
Abstract
Constructed wetlands (CWs) are widely used in wastewater treatment. Wastewater generally contains multiple contaminants. In this study, CWs were applied to treat wastewater with a low COD/TN ratio and containing heavy metals. Iron-based material was added in CWs to enhance the treatment efficiency. The contaminant removal efficiency was positively correlated with the dosage of iron-based material. Considering the operation cost, we added 1 g of iron-based material in CW and realized the multi-contaminant removal efficiency after 4-day treatment at low temperature: 99.51% of Cu(II), 87.22% of Cr(VI), 65.62% of TN, and 60.23% of COD. Microbial community analysis and kinetic analysis predicted that the removal mechanism involved ion exchange and microbial denitrification. Specific bacteria were found in CWs with iron-based material, such as Thiobacillus spp. and Thauera spp., indicating that the nitrate removal in the denitrification process was triggered by carbon sources and that Fe2+ worked as both the electron donor and the adjuster of the abundances of specific bacteria. The addition of iron-based material into CWs was a green option to improve the pollutant removal performance.
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Affiliation(s)
- Zhimiao Zhao
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai, 201306, China
- Engineering Research Center for Water Environment Ecology in Shanghai, Shanghai, 201306, China
| | - Chenglong Xu
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai, 201306, China
- Engineering Research Center for Water Environment Ecology in Shanghai, Shanghai, 201306, China
| | - Xiao Zhang
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai, 201306, China
- Engineering Research Center for Water Environment Ecology in Shanghai, Shanghai, 201306, China
| | - Xinshan Song
- Engineering Research Center for Water Environment Ecology in Shanghai, Shanghai, 201306, China.
- State Environmental Protection Engineering Center for Pollution Treatment and Control in Textile Industry, College of Environmental Science and Engineering, Donghua University, Shanghai, 201620, China.
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28
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Rather MY, Tilwani YM, Dey A. Assessment of heavy metal contamination in two edible fish species Carassius carassius and Triplophysa kashmirensis of Dal Lake, Srinagar, Kashmir, India. ENVIRONMENTAL MONITORING AND ASSESSMENT 2019; 191:242. [PMID: 30911848 DOI: 10.1007/s10661-019-7382-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Accepted: 03/13/2019] [Indexed: 05/25/2023]
Abstract
The present study was aimed to examine the concentration of heavy metals in the two edible fish species Carassius carassius and Triplophysa kashmirensis of the Dal Lake (Srinagar, Jammu, and Kashmir, India). Metals cadmium (Cd), manganese (Mn), copper (Cu), zinc (Zn), lead (Pb), and chromium (Cr) were analyzed using atomic absorption spectroscopy (AAS). Differences in the heavy metal accumulation were observed between the two species as well as between different sizes of the same species. Small size fishes exhibited more concentration of heavy metals than the larger size fishes of the same species. Heavy metals were found in the ranking order of Zn > Cr > Pb > Cu > Mn > Cd in both species of fishes and in both sizes as well. Zn, being the most concentrated metal found in both species, can pose a threat in the near future. Since both species are edible and constitute an essential part of human diet, the heavy metals assessed can be bioaccumulated in humans when consumed; hence, an extensive investigation is needed to evaluate the heavy metal concentration of other edible fishes of the Dal Lake in the future. The study will also be helpful in providing baseline data on the heavy metal accumulation of edible fish species in freshwater ecosystems.
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Affiliation(s)
- Mohd Yousuf Rather
- Department of Ecology and Environmental Sciences, Pondicherry University, Puducherry, India.
| | | | - Arpita Dey
- Department of Ecology and Environmental Sciences, Pondicherry University, Puducherry, India
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29
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Monitoring the Activated Sludge Activities Affected by Industrial Toxins via an Early-Warning System Based on the Relative Oxygen Uptake Rate (ROUR) Index. APPLIED SCIENCES-BASEL 2019. [DOI: 10.3390/app9010154] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Shock load from industrial wastewater is known to harm the microbial activities of the activated sludge in wastewater treatment plants (WWTPs) and disturb their performance. This study developed a system monitoring the activated sludge activities based on the relative oxygen uptake rate (ROUR) and explored the influential factors with wastewater and the activated sludge samples collected from a typical WWTP in the Taihu Lake of southern Jiangsu province, China. The ROUR was affected by the concentration of toxic substances, mixed liquid suspended solids (MLSS), hydraulic retention time (HRT) and pH. Higher toxin contents significantly decreased the ROUR and the EC50 value of Zn2+, Ni2+, Cr(VI), Cu2+, and Cd2+ was 13.40, 15.54, 97.56, 12.01, and 14.65 mg/L, respectively. The ROUR declined with the increasing HRT and MLSS above 2000 mg/L had buffering capacities for the impacts of toxic substances to some extent. The ROUR remained stable within a broad range pH (6–10), covering most of the operational pH in WWTPs and behaving as an appropriate indicator for monitoring the shock load. A toxicity model assessing and predicting the ROUR was developed and fitted well with experimental data. Coupling the ROUR monitoring system and toxicity model, an online early-warning system was assembled and successfully used for predicting the toxicity of different potential toxic metals. This study provides a new universal toxicity model and an online early-warning system for monitoring the shock load from industrial wastewater, which is useful for improving the performance of WWTPs.
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30
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Harguinteguy CA, Gudiño GL, Arán DS, Pignata ML, Fernández-Cirelli A. Comparison Between Two Submerged Macrophytes as Biomonitors of Trace Elements Related to Anthropogenic Activities in the Ctalamochita River, Argentina. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2019; 102:105-114. [PMID: 30446782 DOI: 10.1007/s00128-018-2499-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Accepted: 11/09/2018] [Indexed: 06/09/2023]
Abstract
The temporal variation of As, Co, Cr, Cu, Fe, Mn, Ni, Pb, V and Zn in surface waters and sediments, and trace element accumulation and physiological changes in the macrophytes Stuckenia filiformis and Potamogeton pusillus, were estimated in the Ctalamochita River, Argentina, both upstream and downstream of Río Tercero. Chromium, Fe, Pb and Zn in surface water were higher at the downstream site, while Cu and Mn were higher upstream. Chromium, Mn and Zn in S. filiformis correlated with concentrations observed in sediments, whereas only Zn did in water. In P. pusillus, As, Co, Cr, Ni, Pb and Zn correlated with concentrations in sediments. P. pusillus revealed greater variations in the photosynthetic pigments and malondialdehyde content in the site downstream of the city than those observed in S. filiformis. Therefore, P. pusillus has a greater potential use in monitoring studies in aquatic environments with ecological risk than S. filiformis.
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Affiliation(s)
| | - Gustavo L Gudiño
- Multidisciplinary Institute of Plant Biology (IMBIV), CONICET, Córdoba, Argentina
| | - Daniela S Arán
- Multidisciplinary Institute of Plant Biology (IMBIV), CONICET, Córdoba, Argentina
| | - M Luisa Pignata
- Multidisciplinary Institute of Plant Biology (IMBIV), CONICET, Córdoba, Argentina
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Abstract
The mining industry is the major producer of acid mine drainage (AMD). The problem of AMD concerns at active and abandoned mine sites. Acid mine drainage needs to be treated since it can contaminate surface water. Constructed wetlands (CW), a passive treatment technology, combines naturally-occurring biogeochemical, geochemical, and physical processes. This technology can be used for the long-term remediation of AMD. The challenge is to overcome some factors, for instance, chemical characteristics of AMD such a high acidity and toxic metals concentrations, to achieve efficient CW systems. Design criteria, conformational arrangements, and careful selection of each component must be considered to achieve the treatment. The main objective of this review is to summarize the current advances, applications, and the prevalent difficulties and opportunities to apply the CW technology for AMD treatment. According to the cited literature, sub-surface CW (SS-CW) systems are suggested for an efficient AMD treatment. The synergistic interactions between CW components determine heavy metal removal from water solution. The microorganism-plant interaction is considered the most important since it implies symbiosis mechanisms for heavy metal removal and tolerance. In addition, formation of litter and biofilm layers contributes to heavy metal removal by adsorption mechanisms. The addition of organic amendments to the substrate material and AMD bacterial consortium inoculation are some of the strategies to improve heavy metal removal. Adequate experimental design from laboratory to full scale systems need to be used to optimize equilibria between CW components selection and construction and operational costs. The principal limitations for CW treating AMD is the toxicity effect that heavy metals produce on CW plants and microorganisms. However, these aspects can be solved partially by choosing carefully constructed wetlands components suitable for the AMD characteristics. From the economic point of view, a variety of factors affects the cost of constructed wetlands, such as: detention time, treatment goals, media type, pretreatment type, number of cells, source, and availability of gravel media, and land requirements, among others.
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32
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Yang P, Zhou R, Zhang W, Yi R, Tang S, Guo L, Hao Z, Li X, Lu Y, Zeng X. High-sensitivity determination of cadmium and lead in rice using laser-induced breakdown spectroscopy. Food Chem 2018; 272:323-328. [PMID: 30309550 DOI: 10.1016/j.foodchem.2018.07.214] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 07/27/2018] [Accepted: 07/31/2018] [Indexed: 11/16/2022]
Abstract
Stability and sensitivity of toxic elements determination is still unsatisfactory in agricultural product using laser-induced breakdown spectroscopy (LIBS). A simple and low cost sample pretreatment method named solid-liquid-solid transformation method was proposed in this work. The target analytes of cadmium (Cd) and lead (Pb) from rice samples were prepared through ultrasound assisted extraction in hydrochloric acid solution. The solution was dropped on the glass slide after centrifuging process and was further dried on a heater. Finally, the glass slide contained the analytes was carried out for LIBS determination. Compare with conventional pellet method, the spectral intensity of Cd and Pb element were enhanced significantly using LIBS. The limits of detection were 2.8 and 43.7 μg/kg, respectively. The limits of quantification were 9.3 and 145.7 μg/kg, respectively. The results demonstrated that LIBS coupled with ultrasound assisted extraction should be a promising tool to detect toxic elements in rice.
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Affiliation(s)
- Ping Yang
- Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430074, PR China.
| | - Ran Zhou
- Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430074, PR China.
| | - Wen Zhang
- Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430074, PR China.
| | - Rongxing Yi
- Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430074, PR China
| | - Shisong Tang
- Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430074, PR China.
| | - Lianbo Guo
- Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430074, PR China.
| | - Zhongqi Hao
- Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430074, PR China.
| | - Xiangyou Li
- Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430074, PR China.
| | - Yongfeng Lu
- Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430074, PR China.
| | - Xiaoyan Zeng
- Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology (HUST), Wuhan, Hubei 430074, PR China.
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Mochi F, Burratti L, Fratoddi I, Venditti I, Battocchio C, Carlini L, Iucci G, Casalboni M, De Matteis F, Casciardi S, Nappini S, Pis I, Prosposito P. Plasmonic Sensor Based on Interaction between Silver Nanoparticles and Ni 2+ or Co 2+ in Water. NANOMATERIALS 2018; 8:nano8070488. [PMID: 30004404 PMCID: PMC6070780 DOI: 10.3390/nano8070488] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 06/27/2018] [Accepted: 06/28/2018] [Indexed: 12/14/2022]
Abstract
Silver nanoparticles capped with 3-mercapto-1propanesulfonic acid sodium salt (AgNPs-3MPS), able to interact with Ni2+ or Co2+, have been prepared to detect these heavy metal ions in water. This system works as an optical sensor and it is based on the change of the intensity and shape of optical absorption peak due to the surface plasmon resonance (SPR) when the AgNPs-3MPS are in presence of metals ions in a water solution. We obtain a specific sensitivity to Ni2+ and Co2+ up to 500 ppb (part per billion). For a concentration of 1 ppm (part per million), the change in the optical absorption is strong enough to produce a colorimetric effect on the solution, easily visible with the naked eye. In addition to the UV-VIS characterizations, morphological and dimensional studies were carried out by transmission electron microscopy (TEM). Moreover, the systems were investigated by means of dynamic light scattering (DLS), Fourier-transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), and high-resolution X-ray photoelectron spectroscopy (HR-XPS). On the basis of the results, the mechanism responsible for the AgNPs-3MPS interaction with Ni2+ and Co2+ (in the range of 0.5⁻2.0 ppm) looks like based on the coordination compounds formation.
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Affiliation(s)
- Federico Mochi
- Department of Industrial Engineering and INSTM, University of Rome, Tor Vergata, via del Politecnico 1, 00133 Rome, Italy.
- Center for Regenerative Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy.
| | - Luca Burratti
- Department of Industrial Engineering and INSTM, University of Rome, Tor Vergata, via del Politecnico 1, 00133 Rome, Italy.
| | - Ilaria Fratoddi
- Department of Chemistry, University of Rome Sapienza, Rome, P.le A. Moro 5, 00187 Rome, Italy.
| | - Iole Venditti
- Department of Sciences, Roma Tre University of Rome Via della Vasca Navale 79, 00146 Rome, Italy.
| | - Chiara Battocchio
- Department of Sciences, Roma Tre University of Rome Via della Vasca Navale 79, 00146 Rome, Italy.
| | - Laura Carlini
- Department of Sciences, Roma Tre University of Rome Via della Vasca Navale 79, 00146 Rome, Italy.
| | - Giovanna Iucci
- Department of Sciences, Roma Tre University of Rome Via della Vasca Navale 79, 00146 Rome, Italy.
| | - Mauro Casalboni
- Department of Industrial Engineering and INSTM, University of Rome, Tor Vergata, via del Politecnico 1, 00133 Rome, Italy.
- Center for Regenerative Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy.
| | - Fabio De Matteis
- Department of Industrial Engineering and INSTM, University of Rome, Tor Vergata, via del Politecnico 1, 00133 Rome, Italy.
- Center for Regenerative Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy.
| | - Stefano Casciardi
- National Institute for Insurance against Accidents at Work (INAIL), Department of Occupational and Environmental Medicine, Epidemiology and Hygiene, 00078 Monte Porzio Catone, Italy.
| | - Silvia Nappini
- IOM-CNR Laboratorio TASC, SS 14, km 163,5 Basovizza, I-34149 Trieste, Italy.
| | - Igor Pis
- Elettra-Sincrotrone Trieste S.C.p.A., SS 14, km 163.5 Basovizza, I-34149 Trieste, Italy.
| | - Paolo Prosposito
- Department of Industrial Engineering and INSTM, University of Rome, Tor Vergata, via del Politecnico 1, 00133 Rome, Italy.
- Center for Regenerative Medicine, University of Rome Tor Vergata, Via Montpellier 1, 00133 Rome, Italy.
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Xu Z, Wu Y, Jiang Y, Zhang X, Li J, Ban Y. Arbuscular mycorrhizal fungi in two vertical-flow wetlands constructed for heavy metal-contaminated wastewater bioremediation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:12830-12840. [PMID: 29476370 DOI: 10.1007/s11356-018-1527-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Accepted: 02/13/2018] [Indexed: 06/08/2023]
Abstract
Over the last three decades, the presence of arbuscular mycorrhizal fungi (AMF) in wetland habitats had been proven, and their roles played in wetland ecosystems and potential functions in wastewater bioremediation technical installations are interesting issues. To increase knowledge on the functions of AMF in the plant-based bioremediation of wastewater, we constructed two vertical-flow wetlands planting with Phragmites australis and investigated AMF distribution in plant roots and their roles played in purification of wastewater polluted by heavy metals (HMs), utilizing the Illumina sequencing technique. A total of 17 operational taxonomic units (OTUs) from 33,031 AMF sequences were obtained, with Glomus being the most dominant. P. australis living in the two vertical-flow constructed wetlands (CWs) harbored diverse AMF comparable with the AM fungal communities in upland habitats. The AMF composition profiles of CW1 (vegetated with non-inoculated plants) and CW2 (vegetated with mycorrhizal plants inoculated with Rhizophagus intraradices) were significantly different. CW1 (15 OTUs) harbored more diverse AMF than CW2 (7 OTUs); however, CW2 harbored much more OTU13 than CW1. In addition, a zipf species abundance distribution (SAD), which might due to the heavy overdominance of OTU13, was observed across AM fugal taxa in P. australis roots of the two CWs. CW1 and CW2 showed high (> 70%) removal capacity of HMs. CW2 exhibited significant higher Cd and Zn removal efficiencies than CW1 (CK) (p = 0.005 and p = 0.008, respectively). It was considered that AMF might play a role in HM removal in CWs.
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Affiliation(s)
- Zhouying Xu
- School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan, Hubei, 430070, China
| | - Yang Wu
- School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan, Hubei, 430070, China
| | - Yinghe Jiang
- School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan, Hubei, 430070, China
| | - Xiangling Zhang
- School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan, Hubei, 430070, China
| | - Junli Li
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, Hubei, 430070, China
| | - Yihui Ban
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, Hubei, 430070, China.
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35
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Zafarzadeh A, Bay A, Fakhri Y, Keramati H, Hosseini Pouya R. Heavy metal (Pb, Cu, Zn, and Cd) concentrations in the water and muscle of common carp (Cyprinus carpio) fish and associated non-carcinogenic risk assessment: Alagol wetland in the Golestan, Iran. TOXIN REV 2017. [DOI: 10.1080/15569543.2017.1386684] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Ali Zafarzadeh
- Environmental Health Research Center, Golstan University of Medical Sciences, Golstan, Iran
| | - Abotaleb Bay
- Student Research Committee, Department of Environmental Health Engineering, School of Public Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Yadolah Fakhri
- Student Research Committee, Department of Environmental Health Engineering, School of Public Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hassan Keramati
- Department of Environmental Health Engineering, School of Public Health, Semnan University of Medical Sciences, Semnan, Iran
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36
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Copper stressed anaerobic fermentation: biogas properties, process stability, biodegradation and enzyme responses. Biodegradation 2017; 28:369-381. [DOI: 10.1007/s10532-017-9802-0] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Accepted: 07/14/2017] [Indexed: 12/20/2022]
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37
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Liu H, Cao Y, Li W, Zhang Z, Jeppesen E, Wang W. The effects of cadmium pulse dosing on physiological traits and growth of the submerged macrophyte Vallisneria spinulosa and phytoplankton biomass: a mesocosm study. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:15308-15314. [PMID: 28502048 DOI: 10.1007/s11356-017-9155-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Accepted: 05/01/2017] [Indexed: 06/07/2023]
Abstract
Pulse inputs of heavy metals are expected to increase with a higher frequency of extreme climate events (heavy rain), leading to stronger erosion of contaminated and fertilized farmland soils to freshwaters, with potentially adverse effects on lake ecosystems. We conducted a 5-month mesocosm study to elucidate the responses of the submerged macrophyte Vallisneria spinulosa and phytoplankton to four different doses of cadmium (Cd): 0 (control), 0.05, 0.5, and 5 g m-2 (CK, I, II, and III, respectively) under mesotrophic conditions. We found that total phosphorus concentrations were larger in the three Cd pulse treatments, whereas total nitrogen concentrations did not differ among the four treatments. The contents of chlorophyll a and soluble sugar in macrophyte leaves decreased in III, and total biomass, ramet number, plant height, and total stolon length of macrophytes were lower in both II and III. In contrast, abundances of the three main phytoplankton taxa-Cyanophyta, Chlorophyta, and Bacillariophyta-did not differ among treatments. Total phytoplankton biomass was, however, marginally lower in CK than in the Cd treatments. We conclude that exposure to strong Cd pulses led to significantly reduced growth of macrophytes, while no obvious effect appeared for phytoplankton.
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Affiliation(s)
- Hui Liu
- Key Laboratory of Ecological Impacts of Hydraulic-Projects and Restoration of Aquatic Ecosystem of Ministry of Water Resources, Institute of Hydroecology, Ministry of Water Resources, Chinese Academy of Sciences, Wuhan, 430079, China
- Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, Hubei, 430074, China
| | - Yu Cao
- Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, Hubei, 430074, China
- Hubei Key Laboratory of Wetland Evolution & Ecological Restoration, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, 430074, China
| | - Wei Li
- Hubei Key Laboratory of Wetland Evolution & Ecological Restoration, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, 430074, China
- Sino-Danish Centre for Education and Research (SDC), Beijing, China
| | - Zhao Zhang
- Xi'an Botanical Garden of Shaanxi Province, Institute of Botany of Shaanxi Province, Xi'an, Shaanxi, 710061, China
| | - Erik Jeppesen
- Sino-Danish Centre for Education and Research (SDC), Beijing, China
- Lake Ecology Section, Department of Bioscience, Aarhus University, 8600, Silkeborg, Denmark
| | - Wei Wang
- Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, Hubei, 430074, China.
- Hubei Key Laboratory of Wetland Evolution & Ecological Restoration, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, 430074, China.
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