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Rong Q, Li Y, Luo J, Yan L, Jones KC, Zhang H. Development of a novel DGT passive sampler for measuring polycyclic aromatic hydrocarbons in aquatic systems. JOURNAL OF HAZARDOUS MATERIALS 2024; 470:134199. [PMID: 38593660 DOI: 10.1016/j.jhazmat.2024.134199] [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: 01/21/2024] [Revised: 03/22/2024] [Accepted: 03/31/2024] [Indexed: 04/11/2024]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are priority pollutants and need to be measured reliably in waters and other media, to understand their sources, fate, behaviour and to meet regulatory monitoring requirements. Conventional water sampling requires large water volumes, time-consuming pre-concentration and clean-up and is prone to analyte loss or contamination. Here, for the first time, we developed and validated a novel diffusive gradients in thin-films (DGT) passive sampler for PAHs. Based on the well-known DGT principles, the sampler pre-concentrates PAHs with typical deployment times of days/weeks, with minimal sample handling. For the first time, DGT holding devices made of metal and suitable for sampling hydrophobic organic compounds were designed and tested. They minimize sorption and sampling lag times. Following tests on different binding layer resins, a MIP-DGT was preferred - the first time applying MIP for PAHs. It samples PAHs independent of pH (3.9 -8.1), ionic strength (0.01 -0.5 M) and dissolved organic matter < 20 mg L-1, making it suitable for applications across a wide range of environments. Field trials in river water and wastewater demonstrated that DGT is a convenient and reliable tool for monitoring labile PAHs, readily achieving quantitative detection of environmental levels (sub-ng and ng/L range) when coupled with conventional GC-MS or HPLC. ENVIRONMENTAL IMPLICATIONS: PAHs are carcinogenic and genotoxic compounds. They are environmentally ubiquitous and must be monitored in waters and other media. This study successfully developed a new DGT passive sampler for reliable in situ time-integrated measurements of PAHs in waters at the ng/L level. This is the first time to use passive samplers for accurate measurements of hydrophobic organic contaminants in aquatic systems without calibration, a big step forward in monitoring PAHs. The application of this new sampler will enhance our understanding of the sources, fate, behavior and ecotoxicology of PAHs, enabling improved environmental risk assessment and management of these compounds.
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Affiliation(s)
- Qiuyu Rong
- Lancaster Environment Centre, Lancaster University, Lancaster LA1 4YQ, United Kingdom
| | - Yanying Li
- College of Environmental Science and Engineering, Dalian Maritime University, Dalian, Liaoning 116023, PR China
| | - Jun Luo
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, Jiangsu 210023 PR China
| | - Liying Yan
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, Jiangsu 210023 PR China
| | - Kevin C Jones
- Lancaster Environment Centre, Lancaster University, Lancaster LA1 4YQ, United Kingdom.
| | - Hao Zhang
- Lancaster Environment Centre, Lancaster University, Lancaster LA1 4YQ, United Kingdom.
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Duker RQ, Asare NK, Obodai EA, Adjei JK, Acheampong E, Chuku EO. Ecotoxicological and health risks associated with sediment-bound polycyclic aromatic hydrocarbons in peri-urban closed and open coastal lagoons. MARINE POLLUTION BULLETIN 2024; 202:116351. [PMID: 38640765 DOI: 10.1016/j.marpolbul.2024.116351] [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: 11/10/2023] [Revised: 04/03/2024] [Accepted: 04/04/2024] [Indexed: 04/21/2024]
Abstract
Coastal urbanisation has ramifications for the sustainable development of developing nations. There are often unquantified ecological and health risks associated with urbanisation. Sixteen polycyclic aromatic hydrocarbons (PAHs) were analysed in surface sediment from three peri-urban coastal lagoons in southern Ghana. We found significant spatial variations of sediment PAHs. These variations were attributed to physiography of the lagoons and diverse anthropogenic activities surrounding them. Total PAHs ranged from 20.81 to 24,801.38 μg/kg (dry weight), underscoring a low to very high pollution level. Diagnostic ratios revealed both pyrogenic and petrogenic origins. Over 50 % of individual PAHs were of moderate ecological risk to benthic organisms, and cancer risk to humans was above the World Health Organisation's recommended safety limit (1 × 10-6). These ecological and health risks should be wake-up call for a more integrated urban planning approach to coastal urbanisation as coastal communities largely depend on natural ecosystems for food and livelihood opportunities.
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Affiliation(s)
- Rahmat Quaigrane Duker
- Department of Fisheries and Aquatic Sciences, School of Biological Sciences, University of Cape Coast, Cape Coast, Ghana; Department of Biological Sciences, University of Environment and Sustainable Development, Somanya, Ghana.
| | - Noble Kwame Asare
- Department of Fisheries and Aquatic Sciences, School of Biological Sciences, University of Cape Coast, Cape Coast, Ghana; Centre for Coastal Management, Africa Centre of Excellence in Coastal Resilience, University of Cape Coast, Cape Coast, Ghana
| | - Edward Adzesiwor Obodai
- Department of Fisheries and Aquatic Sciences, School of Biological Sciences, University of Cape Coast, Cape Coast, Ghana
| | - Joseph Kweku Adjei
- Department of Chemistry, School of Physical Sciences, University of Cape Coast, Cape Coast, Ghana
| | - Emmanuel Acheampong
- Department of Fisheries and Aquatic Sciences, School of Biological Sciences, University of Cape Coast, Cape Coast, Ghana; Centre for Coastal Management, Africa Centre of Excellence in Coastal Resilience, University of Cape Coast, Cape Coast, Ghana
| | - Ernest Obeng Chuku
- Centre for Coastal Management, Africa Centre of Excellence in Coastal Resilience, University of Cape Coast, Cape Coast, Ghana; Institute for Marine and Antarctic Studies, University of Tasmania, Tasmania, Australia
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Andrade ADC, Fernandes GM, Martins DA, Cavalcante RM, Chaves MRB, de Souza AA, da S Filho JP, Nascimento RF, de Lima SG. Concentrations, sources and risks of polycyclic aromatic hydrocarbons in sediments from the Parnaiba Delta basin, Northeast Brazil. CHEMOSPHERE 2024; 349:140889. [PMID: 38081521 DOI: 10.1016/j.chemosphere.2023.140889] [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: 04/06/2023] [Revised: 11/11/2023] [Accepted: 12/02/2023] [Indexed: 12/18/2023]
Abstract
The Parnaíba River is the main river in the Parnaíba Delta basin, the largest delta in the Americas. About 18 polycyclic aromatic hydrocarbons (PAHs) were identified and the environmental risk associated with the sediments was evaluated. The study found that PAHs levels ranged from 5.92 to 1521.17 ng g-1, which was classified as low to high pollution, and that there were multiple sources of pollution along the river, with pyrolytic sources predominating, mainly from urban activity such as trucking, although the influence of rural activity cannot be ruled out. PAHs correlated with black carbon and organic matter and showed high correlation with acenaphthylene, phenanthrene, pyrene, benzo(a)anthracene, chrysene, benzo(ghi)perylene, and ∑PAHs. The benzo(a)pyrene levels were classified as a risk to aquatic life because the threshold effect level and the probable effect level were exceeded. In addition, the sediments were classified as slightly contaminated with a benzo(a)pyrene toxicity equivalent value of 108.43 ng g-1. Thus, the priority level PAH exhibited carcinogenic and mutagenic activity that posed a potential risk to human health.
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Affiliation(s)
- Analine D C Andrade
- Laboratório de Geoquímica Orgânica (LAGO), Universidade Federal Do Piauí (UFPI), Ininga, 64049-550, Teresina, PI, Brazil
| | - Gabrielle M Fernandes
- Laboratório de Avaliação de Contaminantes Orgânicos (LACOr), Instituto de Ciências Do Mar (LABOMAR), Universidade Federal Do Ceará (UFC), Avenida Abolição, 3207, Meireles, 60165-081, Fortaleza, CE, Brazil
| | - Davi A Martins
- Laboratório de Avaliação de Contaminantes Orgânicos (LACOr), Instituto de Ciências Do Mar (LABOMAR), Universidade Federal Do Ceará (UFC), Avenida Abolição, 3207, Meireles, 60165-081, Fortaleza, CE, Brazil
| | - Rivelino M Cavalcante
- Laboratório de Avaliação de Contaminantes Orgânicos (LACOr), Instituto de Ciências Do Mar (LABOMAR), Universidade Federal Do Ceará (UFC), Avenida Abolição, 3207, Meireles, 60165-081, Fortaleza, CE, Brazil
| | - Michel R B Chaves
- Universidade Federal Do Maranhão (UFMA), Av. João Alberto, 700, 65700-000, Bacabal, MA, Brazil
| | - Alexandre A de Souza
- Departamento de Química, Centro de Ciências da Natureza, Universidade Federal Do Piauí (UFPI), Ininga, 64049-550, Teresina, PI, Brazil
| | - Jeremias P da S Filho
- Departamento de Biologia, Centro de Ciências Natureza, Universidade Federal Do Piauí (UFPI), Ininga, 64049-550, Teresina, PI, Brazil
| | - Ronaldo F Nascimento
- Departamento de Química Analítica e Físico-Química, Universidade Federal Do Ceará (UFC), 60455-760, Fortaleza, CE, Brazil
| | - Sidney G de Lima
- Laboratório de Geoquímica Orgânica (LAGO), Universidade Federal Do Piauí (UFPI), Ininga, 64049-550, Teresina, PI, Brazil.
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Sacramento AG, Fuga B, Fontana H, Cardoso B, Esposito F, Vivas R, Malta JAO, Sellera FP, Lincopan N. Successful expansion of hospital-associated clone of vanA-positive vancomycin-resistant Enterococcus faecalis ST9 to an anthropogenically polluted mangrove in Brazil. MARINE POLLUTION BULLETIN 2024; 198:115844. [PMID: 38056291 DOI: 10.1016/j.marpolbul.2023.115844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 11/21/2023] [Accepted: 11/23/2023] [Indexed: 12/08/2023]
Abstract
Mangrove ecosystems are hotspots of biodiversity, but have been threatened by anthropogenic activities. Vancomycin-resistant enterococci (VRE) are nosocomial bacteria classified as high priority by the World Health Organization (WHO). Herein, we describe the identification and genomic characteristics of a vancomycin-resistant Enterococcus faecalis strain isolated from a highly impacted mangrove ecosystem of the northeastern Brazilian, in 2021. Genomic analysis confirmed the existence of the transposon Tn1546-vanA and clinically relevant antimicrobial resistance genes, such as streptogramins, tetracycline, phenicols, and fluoroquinolones. Virulome analysis identified several genes associated to adherence, immune modulation, biofilm, and exoenzymes production. The UFSEfl strain was assigned to sequence type (ST9), whereas phylogenomic analysis with publicly available genomes from a worldwide confirmed clonal relatedness with a hospital-associated Brazilian clone. Our findings highlight the successful expansion of hospital-associated VRE in a mangrove area and shed light on the need for strengthening genomic surveillance of WHO priority pathogens in these vital ecosystems.
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Affiliation(s)
- Andrey G Sacramento
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil.
| | - Bruna Fuga
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil; Department of Clinical Analysis, School of Pharmacy, University of São Paulo, São Paulo, Brazil
| | - Herrison Fontana
- Department of Clinical Analysis, School of Pharmacy, University of São Paulo, São Paulo, Brazil
| | - Brenda Cardoso
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Fernanda Esposito
- Department of Clinical Analysis, School of Pharmacy, University of São Paulo, São Paulo, Brazil
| | - Roberto Vivas
- Microbiology Laboratory, Sergipe Urgent Care Hospital (HUSE), Aracaju, Brazil
| | - Judson A O Malta
- Postgraduate Program in Development and Environment (PRODEMA), Federal University of Sergipe, São Cristóvão, Brazil
| | - Fábio P Sellera
- School of Veterinary Medicine, Metropolitan University of Santos, Santos, Brazil; Department of Internal Medicine, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - Nilton Lincopan
- Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil; Department of Clinical Analysis, School of Pharmacy, University of São Paulo, São Paulo, Brazil
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Sun W, Niu X, Yin X, Duan Z, Xing L, Liu A, Ma Y, Gao P. Historical evolution of polycyclic aromatic hydrocarbon pollution in Chaihe Reservoir from 1863 to 2018. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 328:116944. [PMID: 36525734 DOI: 10.1016/j.jenvman.2022.116944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 11/25/2022] [Accepted: 11/28/2022] [Indexed: 06/17/2023]
Abstract
Pollution from polycyclic aromatic hydrocarbons (PAHs) spreads and changes worldwide. The pollution evolution in the regional water environment evolves in response to multiple factors, requiring considerable attention. PAH heterogeneity in the sediment core from Chaihe Reservoir was investigated to indicate dynamic changes in PAH pollution levels and sources and propose recommendations for controlling PAHs. Dynamic PAH patterns showed that the overall decline in PAH pollution was in association with local anthropogenic activities, temperature, and precipitation over the period 1863-2018. Nevertheless, coal, oil, and natural gas consumptions still played significant roles in transferring PAHs to the reservoir. Meanwhile, there were dominant local origins, including grass, wood, and coal combustion. The results highlight that the joint action of natural and anthropogenic interventions mitigated PAH pollution in the reservoir. Promoting improved fuels, new energy vehicles, and cleaner energy may further lower PAH pollution.
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Affiliation(s)
- Wenxian Sun
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, China.
| | - Xiaoyin Niu
- School of Resources and Environmental Engineering, Shandong University of Technology, Zibo 255049, China.
| | - Xianwei Yin
- Zibo Eco-environmental Monitoring Centre of Shandong Province, Zibo, 255049, China.
| | - Zhenhao Duan
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, China.
| | - Liqi Xing
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255049, China.
| | - Aiju Liu
- School of Resources and Environmental Engineering, Shandong University of Technology, Zibo 255049, China.
| | - Yanfei Ma
- School of Resources and Environmental Engineering, Shandong University of Technology, Zibo 255049, China.
| | - Peiling Gao
- School of Resources and Environmental Engineering, Shandong University of Technology, Zibo 255049, China.
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Robin SL, Marchand C. Polycyclic aromatic hydrocarbons (PAHs) in mangrove ecosystems: A review. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 311:119959. [PMID: 35977644 DOI: 10.1016/j.envpol.2022.119959] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 07/25/2022] [Accepted: 08/09/2022] [Indexed: 06/15/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are organic pollutants of increasing concern in the different fields of the environment and human health. There are 16 of them that are recognized as priority pollutants by the US environmental protection agency due to their mutagenic and carcinogenic potentials. Due to their hydrophobicity and stability, they are persistent in the environment and can be transported over long distances. Their toxicological effects on multiple species, including humans, as well as their bioaccumulation in the food web became major topics in organic pollutants research this last decade. In the environment, multiple studies have been conducted on their accumulation in the soil and their degradation processes resulting in numerous review papers. However, the dynamics of PAHs in mangrove ecosystems is not yet completely understood. In this review paper, an exhaustive presentation of what is known about PAHs and their transfer, accumulation, and degradation in mangrove ecosystems is offered. This article brings to light the knowledge already acquired on the subject and the perspective research necessary to fully comprehend PAHs dynamics in mangrove ecosystems.
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Affiliation(s)
- Sarah Louise Robin
- Institut de Sciences Exactes et Appliquées (ISEA EA7484), Université de la Nouvelle-Calédonie, 145 Avenue James Cook, Nouville, BP R4 98851, Nouméa Cedex, New Caledonia.
| | - Cyril Marchand
- Institut de Sciences Exactes et Appliquées (ISEA EA7484), Université de la Nouvelle-Calédonie, 145 Avenue James Cook, Nouville, BP R4 98851, Nouméa Cedex, New Caledonia
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7
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Liu K, Chen J, Sun F, Liu Y, Tang M, Yang Y. Historical development and prospect of intimately coupling photocatalysis and biological technology for pollutant treatment in sewage: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 835:155482. [PMID: 35483466 DOI: 10.1016/j.scitotenv.2022.155482] [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: 04/02/2022] [Revised: 04/17/2022] [Accepted: 04/19/2022] [Indexed: 06/14/2023]
Abstract
Through the synergistic effect of photocatalysis and biodegradation, intimately coupling photocatalysis and biological (ICPB) technology could improve the removal rate and mineralization rate of refractory pollutants and reduce the toxicity of intermediate products. ICPB system was characterized with the advantages of simple operation, low energy consumption and high treatment efficiency. As a new sewage treatment technology, ICPB system has shown great potential in the treatment of refractory pollutants, and has been widely concerned. In this study, the research progress of photocatalyst, carrier and biofilm in ICPB system were discussed, and the degradation mechanism was introduced. The shortcomings of the current ICPB system were pointed out, and the possible research directions of ICPB in the future were proposed. This review aimed to deepen the understanding of ICPB technology and promoted the further development of ICPB technology in the treatment of refractory pollutants.
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Affiliation(s)
- Kai Liu
- School of Life Sciences, Qufu Normal University, Qufu 273165, PR China
| | - Junfeng Chen
- School of Life Sciences, Qufu Normal University, Qufu 273165, PR China.
| | - Fengfei Sun
- School of Life Sciences, Qufu Normal University, Qufu 273165, PR China
| | - Yanyan Liu
- School of Life Sciences, Qufu Normal University, Qufu 273165, PR China
| | - Meizhen Tang
- School of Life Sciences, Qufu Normal University, Qufu 273165, PR China
| | - Yuewei Yang
- School of Life Sciences, Qufu Normal University, Qufu 273165, PR China.
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Spatial occurrence and sources of PAHs in sediments drive the ecological and health risk of Taihu Lake in China. Sci Rep 2022; 12:3668. [PMID: 35256642 PMCID: PMC8901641 DOI: 10.1038/s41598-022-07507-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Accepted: 02/16/2022] [Indexed: 11/11/2022] Open
Abstract
To study the spatial occurrence, sources, and ecological risks of 16 PAHs, surface sediments had been collected from seven major areas of Taihu Lake, China in April 2021. Results showed that the concentrations of ∑16PAHs varied between 1381.48 and 4682.16 ng g−1, and the contents of BghiP in each sample were the highest. The PAHs concentrations in the sediments near the lakeshore were much higher than those in the central area of the lake. The sedimentary ∑16PAHs were mainly composed of molecular-weight monomers and 4-ring PAHs showed superiority (35.69–45.02%). According to the ratio of PAH monomer, the sedimentary PAHs in Taihu Lake were dominantly derived from the combustion. Through the biological toxicity assessment and the BaP equivalent (BaPE), great biological risks of PAHs monomers i.e. DahA and IcdP were found. Both concentrations of ∑16PAHs and dominant 4–6-ring monomers accompanied by carcinogenic risks in many areas of Taihu Lake increased. It is necessary to strengthen monitoring and take measures to control the input of organic pollutants.
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Fernandes GM, Martins DA, Dos Santos RP, de Santiago IS, Nascimento LS, Oliveira AHB, Yamamoto FY, Cavalcante RM. Levels, source appointment, and ecological risk of petroleum hydrocarbons in tropical coastal ecosystems (northeast Brazil): Baseline for future monitoring programmes of an oil spill area. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 296:118709. [PMID: 34942290 DOI: 10.1016/j.envpol.2021.118709] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 12/14/2021] [Accepted: 12/16/2021] [Indexed: 06/14/2023]
Abstract
We reviewed 20 years of levels, sources, and environmental risks related to the main petroleum hydrocarbons in the northeast region of Brazil. The aim of this study was to conduct a systematic review to serve as a comprehensive baseline for future monitoring programmes related to the oil spill disaster in 2019/2020. Most contamination levels of both PAHs and AHs were classified as low, except those in specific areas influenced by human activities, such as ports, highly urbanised mangroves, or rivers of medium-sized cities with inadequate liquid and solid waste treatment. Most hydrocarbons were linked to natural sources and burning processes, except in regions of extraction activities and petrochemical facilities as well as highly urbanised areas, where degraded petroleum and oil hydrocarbons predominated. Only 2.5% of the samples exceeded threshold effect levels for ∑16-PAHs and no samples exceeded probable effect levels. When regional threshold levels were used, however, the probable effect for the ∑16-PAHs measured was high, ranging from 5.8 to 6.1%. The few studies reporting biological responses showed that hydrocarbons from anthropogenic sources can induce adverse effects on marine organisms even at low to moderate levels. As the region has recently received a considerable quantity of crude oil, studies should be prioritised for a more precise assessment of the impact of this oil spill.
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Affiliation(s)
- Gabrielle M Fernandes
- Laboratory for Assessment of Organic Contaminants (LACOr), Institute of Marine Sciences, Federal University of Ceará (LABOMAR-UFC), Av. Abolição, 3207-Meireles, CEP: 60165-081, Fortaleza, CE, Brazil
| | - Davi A Martins
- Laboratory for Assessment of Organic Contaminants (LACOr), Institute of Marine Sciences, Federal University of Ceará (LABOMAR-UFC), Av. Abolição, 3207-Meireles, CEP: 60165-081, Fortaleza, CE, Brazil
| | - Rafael P Dos Santos
- Laboratory for Assessment of Organic Contaminants (LACOr), Institute of Marine Sciences, Federal University of Ceará (LABOMAR-UFC), Av. Abolição, 3207-Meireles, CEP: 60165-081, Fortaleza, CE, Brazil
| | - Ithala S de Santiago
- Laboratory for Assessment of Organic Contaminants (LACOr), Institute of Marine Sciences, Federal University of Ceará (LABOMAR-UFC), Av. Abolição, 3207-Meireles, CEP: 60165-081, Fortaleza, CE, Brazil
| | - Lorena S Nascimento
- Laboratory for Assessment of Organic Contaminants (LACOr), Institute of Marine Sciences, Federal University of Ceará (LABOMAR-UFC), Av. Abolição, 3207-Meireles, CEP: 60165-081, Fortaleza, CE, Brazil
| | - André H B Oliveira
- Environmental Studies Laboratory (LEA), Federal University of Ceará - Analytical Chemistry and Physical Chemistry Dpto, Campus do Pici s/n, Bloco 938/939, Brazil
| | - Flávia Y Yamamoto
- Institute of Biosciences, São Paulo State University (UNESP), São Vicente, Brazil
| | - Rivelino M Cavalcante
- Laboratory for Assessment of Organic Contaminants (LACOr), Institute of Marine Sciences, Federal University of Ceará (LABOMAR-UFC), Av. Abolição, 3207-Meireles, CEP: 60165-081, Fortaleza, CE, Brazil.
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Güzel B, Canlı O, Aslan E. Spatial distribution, source identification and ecological risk assessment of POPs and heavy metals in lake sediments of Istanbul, Turkey. MARINE POLLUTION BULLETIN 2022; 175:113172. [PMID: 34844748 DOI: 10.1016/j.marpolbul.2021.113172] [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: 08/09/2021] [Revised: 11/15/2021] [Accepted: 11/16/2021] [Indexed: 06/13/2023]
Abstract
Istanbul needs to be protected and constantly monitored water resources due to its increasing population and the decrease in precipitation. This study aims to comprehensively reveal surface sediments collected from reservoirs that supply water to Istanbul concerning POPs (PAHs, PCBs, and OCPs) and heavy metals; to identify possible sources of PAHs, and conduct their ecological risk assessment. Pollution indices in this study were used as contamination degree (CD) contamination factor (CF), geoaccumulation index (Igeo), pollution load index (PLI) and Sediment Quality Guidelines (SQGs). Total PAH concentrations of surface sediments at the sampling points ranged from 46.29 ng/g (A7) to 403.9 ng/g (A15). Benzo(b)fluoranthene (5.647-59.42 ng/g), Pyrene (3.625-83.10 ng/g), Fluoranthene (3.363-66.48 ng/g), Phenanthrene (3.115-52.48 ng/g), Chrysene (3.532-43.98 ng/g), Naphthalene (6.606-36.20 ng/g), Benzo(g,h,i)perylene (3.316-41.73 ng/g) and Indeno(1,2,3-c,d)pyrene (3.453-38.84 ng/g) are the dominant PAH compounds. PAH pollution may be caused by the village-town settlements near the dam and the O7-D020 highway. Total OCP concentration ranged from 2.233 ng/g (A12) to 7.337 ng/g (A1), while total PCB concentration ranged from 0.246 ng/g (A13) to 3.708 ng/g (A1). The lowest total OCP and PCB concentrations were found in surface sediments taken from Kazandere, Papuçdere and Alibey Dam lakes. DDT p,p (0.072-5.177 ng/g) has the highest concentration among all sediment samples. While the most dominant OCP compounds in the samples were DDT p,p, DDE p,p and DDD p,p, HCH alpha, HCH beta, respectively, PCB 153, 138 and 180 were the highest detected PCB congeners in the same samples. Total heavy metal concentration varied from 77,812 mg/kg to 267,072 mg/kg. According to PAH diagnostic analysis, the surface sediments of Terkos, Büyükçekmece, Elmalı, Darlık, Sazlıdere, Alibey and Ömerli Dams were polluted by petrogenic sources, while the surface sediments of Kazandere and Papuçdere Dams were affected by pyrogenic sources. None of the levels of POPs in the samples exceeded the ERM values. Slight and moderate contamination of heavy metals, such as Pb and Zn, were present in most of the sampling points according to CD, CF, PLI and Igeo values. The quality criteria of heavy metals showed that almost all of the sampling points had Cd, Pb and Hg concentrations below the ERL values. The Ni concentrations at most of the sampling points significantly exceeded the ERM values. The concentrations of As, Cr, Cu and especially Ni and Zn exhibit a significant toxic risk to aquatic organisms to sediment quality criteria.
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Affiliation(s)
- Barış Güzel
- Environment and Cleaner Production Institute, TUBITAK Marmara Research Center, 41470 Gebze, Kocaeli, Turkey.
| | - Oltan Canlı
- Environment and Cleaner Production Institute, TUBITAK Marmara Research Center, 41470 Gebze, Kocaeli, Turkey.
| | - Ertuğrul Aslan
- Environment and Cleaner Production Institute, TUBITAK Marmara Research Center, 41470 Gebze, Kocaeli, Turkey.
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Cui M, Xu S, Song W, Ye H, Huang J, Liu B, Dong B, Xu Z. Trace metals, polycyclic aromatic hydrocarbons and polychlorinated biphenyls in the surface sediments from Sanya River, China: Distribution, sources and ecological risk. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 294:118614. [PMID: 34863889 DOI: 10.1016/j.envpol.2021.118614] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 11/21/2021] [Accepted: 11/29/2021] [Indexed: 06/13/2023]
Abstract
The urban inland river ecosystems are now facing comprehensive pollution and governance pressures. Up to now, few works related to the multiple pollution assessment of trace metals, polycyclic aromatic hydrocarbons (PAHs) and polychlorinated biphenyls (PCBs) for the urban inland river sediments have been reported in China. Our study investigated the spatial distribution, ecological risk and potential sources of trace metals, PAHs and PCBs in surface sediment collected from 20 sampling sites of Sanya River, Hainan Province, China. The pollution status and potential ecological risk of trace metals were evaluated using the contamination indexes including geoaccumulation index (Igeo), individual potential ecological risk (Eri), potential ecological risk index (RI) and pollution load index (PLI). Considering the carcinogenicity and toxicity of PAHs and PCBs to human health and the ecological environment, we also analyzed the distributions, sources and adverse biological effects of PAHs and PCBs according to the sediment quality guidelines (SQGs), principal component analysis (PCA) and other source analysis. This study revealed that the surface sediments in Sanya River were extremely slight pollution and showed a very low ecological risk according to Igeo, Eri, PLI and RI results for trace metals. Besides, PAHs and PCBs pollution detected may not pose considerable adverse biological effect to ecological environment in a foreseeable period on the basis of comprehensive research results. The overall surface sediments quality of the Sanya River not seem to pose a serious pollution and ecological risk based on the evaluation results of multiple pollution factors. The study provided detailed information on the multiple pollution status and location of surface sediments, one of the key environmental indicators of international tourism cities, in the Sanya River, which would be useful for the water quality improvement of Sanya River and the environmental remediation of the other coastal ecosystems from different regions.
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Affiliation(s)
- Mengke Cui
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, PR China
| | - Shiliang Xu
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, PR China; Shanghai Municipal Engineering Design Institute (Group) Co., Ltd., Shanghai, 200092, PR China
| | - Wenqing Song
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, PR China; Shanghai Municipal Engineering Design Institute (Group) Co., Ltd., Shanghai, 200092, PR China
| | - Huibin Ye
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, PR China
| | - Jialiang Huang
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, PR China; YANGTZE Eco-Environment Engineering Research Center, China Three Gorges Corporation, Beijing, 100038, PR China
| | - Binhan Liu
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, PR China
| | - Bin Dong
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, PR China; YANGTZE Eco-Environment Engineering Research Center, China Three Gorges Corporation, Beijing, 100038, PR China.
| | - Zuxin Xu
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, PR China
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Merhabi F, Gomez E, Amine H, Rosain D, Halwani J, Fenet H. Occurrence, distribution, and ecological risk assessment of emerging and legacy contaminants in the Kadicha river in Lebanon. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:62499-62518. [PMID: 34212327 DOI: 10.1007/s11356-021-15049-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 06/17/2021] [Indexed: 06/13/2023]
Abstract
The Kadicha river basin in Northern Lebanon is an illustrative example of multiple pressures encountered in the Mediterranean region: it is a small coastal river affected by rapid urbanization, population growth (drastically impacted by the influx of Syrian refugees), and a chronic default of wastewater treatment. In this context, multiple classes of contaminants may attain the river accumulating in sediment. However, very little information is available in the literature on the contamination status in such stressed Mediterranean contexts. This study proposed a first contamination evaluation of a small Mediterranean river submitted to multiple pressures. Two sediment sampling campaigns along sites impacted by increasing urban gradient within the Kadicha river basin were performed to determine the occurrence and the environmental risks of both emerging and legacy contaminants. The results revealed the detection of the 41 studied compounds. The highest concentrations were attained by PAHs and polycyclic musks (up to 311.79, 94.22, and 81.13 ng/g of dry weight for PAH, cashmeran, and galaxolide, respectively). The discontinuous urbanized upstream area and the estuary were the most contaminated areas of the river. An environmental risk assessment showed a hazard quotient (HQ) higher than 1 for both legacy and emerging compounds (EHMC and 4-MBC), indicating a potential risk to benthic species. Monitoring campaigns and implementation of wastewater treatment plants should be encouraged as the anthropogenic pressure on small Mediterranean rivers will increase over the years.
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Affiliation(s)
- Fatmé Merhabi
- Hydrosciences Montpellier, IRD, CNRS, University of Montpellier, Montpellier, France.
- Water & Environment Science Laboratory, Faculty of Public Health (FSP III), Lebanese University, Tripoli, Lebanon.
| | - Elena Gomez
- Hydrosciences Montpellier, IRD, CNRS, University of Montpellier, Montpellier, France
| | - Helmieh Amine
- Water & Environment Science Laboratory, Faculty of Public Health (FSP III), Lebanese University, Tripoli, Lebanon
| | - David Rosain
- Hydrosciences Montpellier, IRD, CNRS, University of Montpellier, Montpellier, France
| | - Jalal Halwani
- Water & Environment Science Laboratory, Faculty of Public Health (FSP III), Lebanese University, Tripoli, Lebanon
| | - Hélène Fenet
- Hydrosciences Montpellier, IRD, CNRS, University of Montpellier, Montpellier, France
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Souza MRR, Suzarte JS, Carmo LO, Santos E, Soares LS, Júnior ARV, Santos LGGV, Krause LC, Damasceno FC, Frena M, Alexandre MR. Assessment of polycyclic aromatic hydrocarbons in three environmental components from a tropical estuary in Northeast Brazil. MARINE POLLUTION BULLETIN 2021; 171:112726. [PMID: 34343757 DOI: 10.1016/j.marpolbul.2021.112726] [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: 12/10/2020] [Revised: 07/07/2021] [Accepted: 07/12/2021] [Indexed: 06/13/2023]
Abstract
The evaluation of occurrence, risk quotient (RQ), bioaccumulation factor (BAF), and sources of PAH was conducted in Sergipe-Poxim estuarine system. PAH distribution that ranged from 7.1 to 30.9 ng L-1 (surface water, SW), 5.4 to 19.5 ng g-1 (sediment, S), and 4.3 to 18.1 ng g-1 (oyster, O), characterized the environment with low contamination; 2-3 (SW), 5-6 (S), and 4 (O) PAH rings accounted for 54.5%, 68.7%, and 87.7%, respectively, along with naphthalene (SW), dibenzo(a,h)anthracene (S), and pyrene (O) as the prevailing compounds. PCA suggested the predominance of particular groups related to SW (LMW-PAH), S (HMW-PAH), and O (pyrene and fluoranthene). Furthermore, one sample of O presented a high PAH bioavailability as shown through the BAF, with emphasis on pyrene (BAF = 26.8). The RQ showed a low to moderate range in SW and S; hence, in-depth information about the possible toxic effect in organisms of this region is required.
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Affiliation(s)
- Michel R R Souza
- Tiradentes University, Industrial Biotechnology Graduate Program, Aracaju, Sergipe SE 49032-490, Brazil.
| | - Jaiane S Suzarte
- Federal University of Sergipe, Chemistry Department, São Cristóvão, Sergipe SE 49100-000, Brazil
| | - Laiane O Carmo
- Federal University of Sergipe, Chemistry Department, São Cristóvão, Sergipe SE 49100-000, Brazil
| | - Ewerton Santos
- Brown University, Department of Earth, Environmental and Planetary Science, Providence, RI 02912, United States of America
| | - Laiane S Soares
- Federal University of Sergipe, Chemistry Department, São Cristóvão, Sergipe SE 49100-000, Brazil
| | - Antônio R V Júnior
- Federal University of Sergipe, Chemistry Department, São Cristóvão, Sergipe SE 49100-000, Brazil
| | - Lukas G G V Santos
- Sergipe Technology Research Institute, Aracaju, Sergipe, SE 49020-380, Brazil
| | - Laiza C Krause
- Tiradentes University, Industrial Biotechnology Graduate Program, Aracaju, Sergipe SE 49032-490, Brazil
| | - Flaviana C Damasceno
- Federal University of Sergipe, Chemistry Department, São Cristóvão, Sergipe SE 49100-000, Brazil
| | - Morgana Frena
- Federal University of Santa Catarina, Chemistry Department, Campus Universitário Trindade, Florianópolis, Santa Catarina SC 88040-900, Brazil
| | - Marcelo R Alexandre
- Federal University of Sergipe, Chemistry Department, São Cristóvão, Sergipe SE 49100-000, Brazil; Brown University, Department of Earth, Environmental and Planetary Science, Providence, RI 02912, United States of America
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de Almeida FF, Freitas D, Motteran F, Fernandes BS, Gavazza S. Bioremediation of polycyclic aromatic hydrocarbons in contaminated mangroves: Understanding the historical and key parameter profiles. MARINE POLLUTION BULLETIN 2021; 169:112553. [PMID: 34091245 DOI: 10.1016/j.marpolbul.2021.112553] [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: 11/17/2020] [Revised: 04/26/2021] [Accepted: 05/24/2021] [Indexed: 06/12/2023]
Abstract
Sensitive biomes, such as coastal ecosystems, have become increasingly susceptible to environmental impacts caused by oil logistics and storing, which, although more efficient nowadays, still cause spills. Thus, bioremediation techniques attract attention owing to their low impact on the environment. Among petroleum-based compounds, polycyclic aromatic hydrocarbons (PAHs) are known for their potential impact and persistence in the environment. Therefore, PAH bioremediation is notably a technique capable of reducing these polluting compounds in the environment. However, there is a lack of understanding of microbial growth process conditions, leading to a less efficient choice of bioremediation methods. This article provides a review of the bioremediation processes in mangroves contaminated with oils and PAHs and an overview of some physicochemical and biological factors. Special attention was given to the lack of approach regarding experiments that have been conducted in situ and that considered the predominance of the anaerobic condition of mangroves.
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Affiliation(s)
- Felipe Filgueiras de Almeida
- Department of Civil Engineering, Federal University of Pernambuco (UFPE), Acadêmico Hélio Ramos Avenue, s/n, 50740-530 Recife, PE, Brazil
| | - Danúbia Freitas
- Department of Civil Engineering, Federal University of Pernambuco (UFPE), Acadêmico Hélio Ramos Avenue, s/n, 50740-530 Recife, PE, Brazil
| | - Fabrício Motteran
- Department of Civil Engineering, Federal University of Pernambuco (UFPE), Acadêmico Hélio Ramos Avenue, s/n, 50740-530 Recife, PE, Brazil
| | - Bruna Soares Fernandes
- Department of Civil Engineering, Federal University of Pernambuco (UFPE), Acadêmico Hélio Ramos Avenue, s/n, 50740-530 Recife, PE, Brazil
| | - Sávia Gavazza
- Department of Civil Engineering, Federal University of Pernambuco (UFPE), Acadêmico Hélio Ramos Avenue, s/n, 50740-530 Recife, PE, Brazil.
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Iwegbue CMA, Irerhievwie GO, Tesi GO, Olisah C, Nwajei GE, Martincigh BS. Polycyclic aromatic hydrocarbons (PAHs) in surficial sediments from selected rivers in the western Niger Delta of Nigeria: Spatial distribution, sources, and ecological and human health risks. MARINE POLLUTION BULLETIN 2021; 167:112351. [PMID: 33895593 DOI: 10.1016/j.marpolbul.2021.112351] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 04/01/2021] [Accepted: 04/05/2021] [Indexed: 06/12/2023]
Abstract
This study assessed the concentrations, sources, and risks of polycyclic aromatic hydrocarbons (PAHs) in sediments from the Rivers Niger, Ase and Forcados in the western Niger Delta. The concentrations of PAHs (in μg kg-1 dry weight), as determined by gas chromatography-mass spectrometry, in sediments from these rivers varied from 2400 to 19,000, 2930 to 16,100, and from 1620 to 19,800 for the Niger, Ase and Forcados Rivers respectively. High molecular weight (HMW) PAHs were the most prevalent compounds present in these sediments. An assessment of the possible ecological and human health risks suggested high risks for both organisms and humans. The PAH source analysis suggested that sediments from these river systems were contaminated with PAHs arising from burning of biomass, gasoline/diesel emissions, burning of natural gas, and oil spillages.
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Affiliation(s)
| | | | - Godswill O Tesi
- Department of Chemical Sciences, University of Africa, Toru-Orua, Bayelsa State, Nigeria
| | - Chijioke Olisah
- Department of Botany and Institute for Coastal and Marine Research, Nelson Mandela University, Port Elizabeth 6031, South Africa
| | - Godwin E Nwajei
- Department of Chemistry, Delta State University, P.M.B. 1, Abraka, Nigeria
| | - Bice S Martincigh
- School of Chemistry and Physics, University of KwaZulu-Natal, Westville Campus, Private Bag X 54001, Durban 4000, South Africa
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16
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Abayi JJM, Gore CT, Nagawa C, Bandowe BAM, Matovu H, Mubiru E, Ngeno EC, Odongo S, Sillanpää M, Ssebugere P. Polycyclic aromatic hydrocarbons in sediments and fish species from the White Nile, East Africa: Bioaccumulation potential, source apportionment, ecological and health risk assessment. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 278:116855. [PMID: 33706244 DOI: 10.1016/j.envpol.2021.116855] [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: 09/30/2020] [Revised: 02/01/2021] [Accepted: 02/25/2021] [Indexed: 05/20/2023]
Abstract
The impact of oil exploration and production activities on the environment of sub-saharan African countries is not well studied. This study aimed at determining concentrations, sources, and bioaccumulation of 13 polycyclic aromatic hydrocarbons (PAHs) in sediments and fish from the White Nile near Melut oil fields, South Sudan. The study also assessed the ecological and human health risk associated with PAHs in this aquatic system. Total (∑13) PAH concentrations ranged from 566 to 674 ng g-1dry weight (dw) in sediments, while those in fish were 191-1143 ng g-1 wet weight (ww). ∑13PAH concentrations were significantly higher in C. gariepinus than in other fish species. Low molecular weight PAHs (LPAHs) dominated the profile of PAHs in sediments (constituted 95% of ∑13PAHs) and fish (97% of ∑13PAHs). Compared to Sediment Quality Guidelines of the United States Oceanic and Atmospheric Administration, the levels of LPAHs in this study were all above the threshold effect limits, but below the probable effect level, while those of high molecular weight PAHs (HPAHs) were all below the lowest effect levels. The carcinogenic potency equivalent concentrations of PAHs in L. niloticus and C. gariepinus were above the US EPA screening level; suggesting consumption of these species could adversely affect human health. Biota-sediment accumulation factor values (range: 0.006-3.816 g OC g-1 lipid) for PAHs showed high bioaccumulation of LPAHs in fish muscle, and that bioaccumulation decreased with increase in hydrophobicity of the compounds. This is possibly because LPAHs have higher aqueous solubilities which increases their bioavailability through water-gill transfers compared to HPAHs. Profiles of PAHs in the White Nile environment indicate predominant contribution from petrogenic sources, which could be attributed to presence of crude oil reservoirs and oil production operations. More research into the levels of other environmental pollutants in the oil-rich area is recommended.
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Affiliation(s)
- Juma John Moses Abayi
- Department of Chemistry, University of Juba, P.O Box 82, Juba, South Sudan; Department of Chemistry, Makerere University, P. O Box 7062, Kampala, Uganda
| | | | - Christine Nagawa
- Department of Forestry, Biodiversity and Tourism, Makerere University, P.O Box 7062, Kampala, Uganda
| | - Benjamin A Musa Bandowe
- Max Planck Institute for Chemistry, Multiphase Chemistry Department, Hahn-Meitner-Weg 1, 55128, Mainz, Germany
| | - Henry Matovu
- Department of Chemistry, Makerere University, P. O Box 7062, Kampala, Uganda; Department of Chemistry, Gulu University, P. O. Box 166, Gulu, Uganda
| | - Edward Mubiru
- Department of Chemistry, Makerere University, P. O Box 7062, Kampala, Uganda
| | | | - Silver Odongo
- Department of Chemistry, Makerere University, P. O Box 7062, Kampala, Uganda
| | - Mika Sillanpää
- Institute of Research and Development, Duy Tan University, Da Nang, 550000, Viet Nam; Faculty of Environment and Chemical Engineering, Duy Tan University, Da Nang, 550000, Viet Nam; Department of Chemical Engineering, School of Mining, Metallurgy and Chemical Engineering, University of Johannesburg, P. O. Box 17011, Doornfontein 2028, South Africa
| | - Patrick Ssebugere
- Department of Chemistry, Makerere University, P. O Box 7062, Kampala, Uganda.
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Iwegbue CMA, Bebenimibo E, Obi G, Tesi GO, Olisah C, Egobueze FE, Martincigh BS. Distribution and Sources of n-Alkanes and Polycyclic Aromatic Hydrocarbons in Sediments Around Oil Production Facilities in the Escravos River Basin, Niger Delta, Nigeria. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 80:474-489. [PMID: 33582838 DOI: 10.1007/s00244-021-00810-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 01/02/2021] [Indexed: 06/12/2023]
Abstract
This study provides data on the characteristic levels, spatial patterns, sources, and risk of n-alkanes (AHs) [octane, n-C8, to tetracontane, n-C40] and polycyclic aromatic hydrocarbons (PAHs) in surficial sediments from the Escravos River Basin (ERB), Nigeria. The n-alkane and PAH concentrations in sediments were quantified by chromatographic methods. The concentrations of AHs and PAHs in the ERB sediments varied from 95 to 3430 µg g-1 and from 0.75 to 213 µg g-1, respectively. Both the concentrations of AHs and PAHs in ERB sediments exceeded their respective guideline values. The carbon preference index and other AH markers provide evidence that the AHs in the ERB sediments originated from petroleum sources. Ecological risk assessment indicated that the ecological risk relating to an organism's contact with PAHs in the ERB sediments was high. The possible carcinogenic risk arising from human exposure with PAHs in surface sediments through accidental oral ingestion and skin contact exceeded the safe level of 10-6, indicating a considerable probable cancer risk for fishermen and other inhabitants of the ERB. PAH isomer ratios and multivariate statistics suggested that the PAHs in sediments from the ERB originated from gas flaring inputs, discharges from oil drilling platforms, diesel engines, ships, and speed boats, and combustion of wood and other biomass.
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Affiliation(s)
| | - Ernest Bebenimibo
- Department of Chemistry, Delta State University, P.M.B. 1, Abraka, Nigeria
| | - Grace Obi
- Department of Chemistry, Federal University of Petroleum Resources, Effurun, Delta State, Nigeria
| | - Godswill O Tesi
- Department of Chemical Sciences, University of Africa, Toru-Orua, Bayelsa State, Nigeria
| | - Chijioke Olisah
- Department of Botany and Institute for Coastal and Marine Research, Nelson Mandela University, Port Elizabeth, 6031, South Africa
| | - Francis E Egobueze
- Environment and Quality Control Department, Nigerian Agip Company, Rumueme, Port Harcourt, Rivers State, Nigeria
| | - Bice S Martincigh
- School of Chemistry and Physics, University of KwaZulu-Natal, Westville Campus, Private Bag X54001, Durban, 4000, South Africa
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Wang BR, Dahms HU, Wu MC, Jhuo NJ, Hsieh CY. After remediation - Using toxicity identification evaluation of sediment contamination in the subtropical Erren river basin. CHEMOSPHERE 2021; 262:127772. [PMID: 32799140 DOI: 10.1016/j.chemosphere.2020.127772] [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: 05/01/2020] [Revised: 07/14/2020] [Accepted: 07/18/2020] [Indexed: 06/11/2023]
Abstract
This study utilized the freshwater amphipod (Hyalella azteca) for the indication of contamination risk levels of sediment-associated contaminants in the Erren (ER1∼ER10) and Sanye Rivers (SY1∼SY5) which were contaminated by metal scrap and smelting industries for decades. Toxicity identification evaluations involving the manipulation of pore water and whole-sediment samples were conducted to identify causative pollutants. Impacts on the aquatic environment were then evaluated in order to explore how industrial development led to contaminant accumulation in sediments and resulted in biological effects. A whole-sediment TIE indicated that the major toxicant at sampling sites ER8 and SY5 was ammonia and that its toxicity was significantly reduced by the addition of zeolite. Toxicity at sampling sites ER4 and ER9 was induced by ammonia and heavy metals (Zn, Cd, Cr, As), whereas Cr was at toxic levels at ER6. ∑PAHs was another major class of contaminants at site ER2. Metals (Zn, Ni, Pb, Cd, Cr, and As) were identified as major toxic contaminants at three sites (ER3, SY1, and SY3). The application of TIEs confirmed that a causative toxicant can be identified and that its measured toxicity correlated with its concentration. In conclusion, a TIE approach was successful in demarcating most effective contaminant groups (ammonia, heavy metals, and non-polar organic compounds) in whole-sediment cores, their porewaters and potential toxicities from a highly polluted river after remediation in southern Taiwan to an invertebrate animal model H. azteca.
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Affiliation(s)
- Bo-Ren Wang
- Department of Environmental Science and Engineering, National Pingtung University of Science and Technology, Pingtung, 91201, Taiwan
| | - Hans-Uwe Dahms
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung City, 807, Taiwan; Department of Marine Biotechnology and Resources, National Sun Yat-Sen University, Kaohsiung City, 804, Taiwan; Research Center for Environmental Medicine, KMU - Kaohsiung Medical University, Kaohsiung, 80708, Taiwan.
| | - Meng-Chun Wu
- Department of Environmental Science and Engineering, National Pingtung University of Science and Technology, Pingtung, 91201, Taiwan
| | - Nian-Jhen Jhuo
- Department of Environmental Science and Engineering, National Pingtung University of Science and Technology, Pingtung, 91201, Taiwan
| | - Chi-Ying Hsieh
- Department of Environmental Science and Engineering, National Pingtung University of Science and Technology, Pingtung, 91201, Taiwan.
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Distribution, sources and ecological risk of trace elements and polycyclic aromatic hydrocarbons in sediments from a polluted urban river in central Bangladesh. ACTA ACUST UNITED AC 2020. [DOI: 10.1016/j.enmm.2020.100318] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Dos Reis Souza MR, Santos E, Suzarte JS, do Carmo LO, Soares LS, Santos LGGV, Júnior ARV, Krause LC, Frena M, Damasceno FC, Huang Y, da Rosa Alexandre M. The impact of anthropogenic activity at the tropical Sergipe-Poxim estuarine system, Northeast Brazil: Fecal indicators. MARINE POLLUTION BULLETIN 2020; 154:111067. [PMID: 32319900 DOI: 10.1016/j.marpolbul.2020.111067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 03/09/2020] [Accepted: 03/10/2020] [Indexed: 06/11/2023]
Abstract
The individual concentrations and sources of sterols in sediments samples collected in two periods 2017 (dry period /March and rainy period/August) were determined along with the Sergipe-Poxim estuarine system, Aracaju, Brazil. The individual sterols concentration ranged from 135 to 21,746 ng g-1 (March) and 191 to 144,748 ng g-1 (August) and the distribution was mainly dominated by β-sitosterol in both periods with 37.2% (March) and 70.8% (August) of the total sterols found. In all the sampling sites, the coprostanol levels were higher than 100 ng g1 (March) and 500 ng g-1 (August), indicating sewage contamination. Diagnostic ratios between sterols suggested the predominance of sewage sources. Pearson correlation assessed a correlation significant (March) and negligible (August) between coprostanol concentration levels and organic matter. The principal component analysis (PCA) showed that the sterols levels influenced strongly C1, as well as C2 distinguished between the plant sterols and from sewage.
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Affiliation(s)
- Michel Rubens Dos Reis Souza
- Tiradentes University, Industrial Biotechnology Graduate Program, Aracaju, Sergipe 49032-490, Brazil; Federal University of Sergipe, Chemistry Department, São Cristóvão, Sergipe 49100-000, Brazil.
| | - Ewerton Santos
- Federal University of Sergipe, Chemistry Department, São Cristóvão, Sergipe 49100-000, Brazil
| | - Jaiane Santos Suzarte
- Federal University of Sergipe, Chemistry Department, São Cristóvão, Sergipe 49100-000, Brazil
| | | | - Laiane Santos Soares
- Federal University of Sergipe, Chemistry Department, São Cristóvão, Sergipe 49100-000, Brazil
| | | | | | - Laiza Canielas Krause
- Tiradentes University, Industrial Biotechnology Graduate Program, Aracaju, Sergipe 49032-490, Brazil
| | - Morgana Frena
- Federal University of Santa Catarina, Chemistry Department, Campus Universitário Trindade, Florianópolis, Santa Catarina 88040-900, Brazil
| | | | - Yongsong Huang
- Brown University, Department of Earth, Environmental and Planetary Science, Providence, RI 02912, United States of America
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21
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Qin Z, Zhao Z, Jiao W, Han Z, Xia L, Fang Y, Wang S, Ji L, Jiang Y. Coupled photocatalytic-bacterial degradation of pyrene: Removal enhancement and bacterial community responses. ENVIRONMENTAL RESEARCH 2020; 183:109135. [PMID: 31991340 DOI: 10.1016/j.envres.2020.109135] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 01/12/2020] [Accepted: 01/12/2020] [Indexed: 06/10/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are a class of pollutants that ubiquitously present in environment and hard to be degraded by microorganisms. Herein, we reported a novel photocatalytic-bacterial coupled removal system to treat PAH-polluted water. Using pyrene as the model pollutant, we demonstrated that the removal percentage of different groups was in order: 63.89% ± 1.03% (Vis-Biological) > 61.27% ± 1.08% (UV-Biological) > 59.58% ± 1.15% (UV) > 57.41% ± 1.13% (Vis) > 6.65% ± 0.72% (Biological) > 1.70% ± 0.34% (Control), showing the coupled system significantly improved the removal percentage of pyrene. Additionally, we observed that the coupled system driven by visible light showed higher removal percentage than UV light, exhibiting a good potential for future application. Sequencing analysis of 16S rRNA genes showed that alpha diversity (richness, evenness and diversity) got promoted and data of the relative abundance showed that Pseudomonadaceae was substituted as the dominant bacteria for Planococcaceae, with some other functional bacteria quickly acclimatizing in the bacterial community. Difference analysis indicated that over half of top fifteen genera were generally different significantly (p < 0.001) among two different samples, and UV light altered structure and composition of bacterial community more than visible light. Functional features' change suggested that the bacterial community not only protected itself but also participated in degrading pyrene. Overall, our study offered a new method for PAH degradation and contributed to further understanding of coupled catalytic-bacterial degradation processes.
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Affiliation(s)
- Zhirui Qin
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; Key Laboratory of Integrated Regulation and Resource Development on Shallow Lake of Ministry of Education, College of Environment, Hohai University, Nanjing, 210098, China
| | - Zhenhua Zhao
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lake of Ministry of Education, College of Environment, Hohai University, Nanjing, 210098, China
| | - Wentao Jiao
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China.
| | - Ziyu Han
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
| | - Liling Xia
- Nanjing Institute of Industry Technology, Nanjing, 210016, China
| | - Yinqing Fang
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
| | - Shiyu Wang
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
| | - Longjie Ji
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
| | - Ying Jiang
- Jiangsu Rainfine Environmental Science and Technology Co., Ltd, Nanjing, 210009, China
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22
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Ahmad M, Yang Q, Zhang Y, Ling J, Sajjad W, Qi S, Zhou W, Zhang Y, Lin X, Zhang Y, Dong J. The distinct response of phenanthrene enriched bacterial consortia to different PAHs and their degradation potential: a mangrove sediment microcosm study. JOURNAL OF HAZARDOUS MATERIALS 2019; 380:120863. [PMID: 31401251 DOI: 10.1016/j.jhazmat.2019.120863] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 05/28/2019] [Accepted: 07/02/2019] [Indexed: 06/10/2023]
Abstract
Understanding the microbial community succession to polycyclic aromatic hydrocarbons (PAHs) and identification of important degrading microbial groups are crucial for the designing of appropriate bioremediation strategies. In the present study, two distinct phenanthrene enriched bacterial consortia were treated against high molecular weight (Pyrene, Benzo (a) pyrene and Benzo (a) fluoranthene) and the response was studied in term of taxonomic variations by using High Throughput Illumina sequencing and qPCR analysis. Overall, the type of PAHs significantly affected the composition and the relative abundance of bacterial communities while no obvious difference was detected between bacterial communities of benzo (a) pyrene and benzo (a) fluoranthene treatments. Genera, Novosphingobium, Pseudomonas, Flavobacterium, Mycobacterium, Hoeflae, and Algoriphagus dominated all PAHs treatment groups indicating that they could be the key PAHs degrading phylotypes. Due to the higher abundance of gram-negative PAH-ring hydroxylating dioxygenase gene than that of gram-positive bacteria in all treated groups, we speculated that gram-negative bacteria may contribute more in the PAH degradation. The studied sediments harbored rich PAHs degrading bacterial assemblages involved in both low and high molecular weight PAHs and these findings provided new insight into the perspective of microbial PAHs bioremediation in the mangrove ecosystem.
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Affiliation(s)
- Manzoor Ahmad
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 510301 Guangzhou, China; University of Chinese Academy of Sciences, 100049 Beijing, China
| | - Qingsong Yang
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 510301 Guangzhou, China; University of Chinese Academy of Sciences, 100049 Beijing, China
| | - Yanying Zhang
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 510301 Guangzhou, China; Tropical Marine Biological Research station in Hainan, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 572000 Sanya, China; University of Chinese Academy of Sciences, 100049 Beijing, China
| | - Juan Ling
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 510301 Guangzhou, China; Tropical Marine Biological Research station in Hainan, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 572000 Sanya, China; University of Chinese Academy of Sciences, 100049 Beijing, China.
| | - Wasim Sajjad
- Department of Biological Sciences, National University of Medical Sciences, 46000 Rawalpindi, Pakistan
| | - Shuhua Qi
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 510301 Guangzhou, China
| | - Weiguo Zhou
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 510301 Guangzhou, China; University of Chinese Academy of Sciences, 100049 Beijing, China
| | - Ying Zhang
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 510301 Guangzhou, China; University of Chinese Academy of Sciences, 100049 Beijing, China
| | - Xiancheng Lin
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 510301 Guangzhou, China; University of Chinese Academy of Sciences, 100049 Beijing, China
| | - Yuhang Zhang
- Guangdong Pharmaceutical University, 510006 Guangzhou, China
| | - Junde Dong
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Provincial Key Laboratory of Applied Marine Biology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 510301 Guangzhou, China; Tropical Marine Biological Research station in Hainan, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 572000 Sanya, China; University of Chinese Academy of Sciences, 100049 Beijing, China.
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23
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Mitra S, Corsolini S, Pozo K, Audy O, Sarkar SK, Biswas JK. Characterization, source identification and risk associated with polyaromatic and chlorinated organic contaminants (PAHs, PCBs, PCBzs and OCPs) in the surface sediments of Hooghly estuary, India. CHEMOSPHERE 2019; 221:154-165. [PMID: 30639811 DOI: 10.1016/j.chemosphere.2018.12.173] [Citation(s) in RCA: 76] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 12/21/2018] [Accepted: 12/22/2018] [Indexed: 06/09/2023]
Abstract
The spatial distribution, source identification and ecotoxicological impact of a group of persistent organic pollutants (POPs: dichlorodiphenyltrichloroethane (DDT), hexachlorocyclohexanes (HCHs), polychlorobiphenyls (PCBs), polychlorobenzenes (PCBzs)), and polyaromatic hydrocarbons (PAHs) were investigated in surface sediment samples (0-5 cm, <63 μm grain size) along the ecologically stressed Hooghly River estuary, East India. The results demonstrated a wide range of concentrations (ng/g dry weight) with the following decreasing order: ∑16PAHs (3.3-630) > ∑6DDTs (0.14-18.6) > ∑7PCBs (0.28-7.7) > ∑2PCBzs (0.01-1.3) > ∑5HCH (0.10-0.6), with a dominance of p,p'-DDT and higher molecular weight PAHs. Selected diagnostic ratios indicated a mixture of both pyrolytic and petrogenic sources of PAHs, inputs of weathered DDT and their degradation in oxidizing environment, and a predominance of industrial input over the agricultural wastes. The cumulative impact of the pollutants (effective range medium quotient (ERMq): 0.01-0.16) reflected minimal to low ecotoxicological risk, with highest probability of toxic effects towards surrounding biota at Barrackpore (21%). ∑6DDTs exceeded the effect range low value resulting occasional adverse impact to the sediment dwelling organisms. Among the PAHs, the 4-ringed compounds accounted for 68% of the PAHs. Further, carcinogenic PAHs (BaA, Chry, BbF, BkF, BaP, DahP, Inp) possessed highest cancer risk (CR = 2.09 × 10-3) to the local population when exposed to the sediments from the studied area and ingestion was found to be the primary process of contamination. The study strongly recommends a systematic monitoring of POPs and PAHs, being the Hooghly River water used by local people for their livelihood.
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Affiliation(s)
- Soumita Mitra
- Department of Marine Science, University of Calcutta, 35 Ballygunge Circular Road, Calcutta 700019, India
| | - Simonetta Corsolini
- Department of Physical, Earth and Environmental Sciences, University of Siena, I-53100 Siena, Italy.
| | - Karla Pozo
- Research Center for Toxic Compound in the Environment (RECETOX), Masaryk University, Brno, Czech Republic; Facultad de Ingeniería y Tecnología, Universidad San Sebastián, Lientur 1457 Concepción, Chile
| | - Ondrej Audy
- Research Center for Toxic Compound in the Environment (RECETOX), Masaryk University, Brno, Czech Republic
| | - Santosh Kumar Sarkar
- Department of Marine Science, University of Calcutta, 35 Ballygunge Circular Road, Calcutta 700019, India
| | - Jayanta Kumar Biswas
- Department of Ecological Studies and International Centre for Ecological Engineering, University of Kalyani, Kalyani, Nadia 741235, India
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24
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Ghizelini AM, Martins KG, Gießelmann UC, Santoro E, Pasqualette L, Mendonça-Hagler LCS, Rosado AS, Macrae A. Fungal communities in oil contaminated mangrove sediments - Who is in the mud? MARINE POLLUTION BULLETIN 2019; 139:181-188. [PMID: 30686417 DOI: 10.1016/j.marpolbul.2018.12.040] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Revised: 11/14/2018] [Accepted: 12/20/2018] [Indexed: 06/09/2023]
Abstract
Mangroves are ecosystems located in tropical and subtropical regions of the world and are vital for coastal protection. Their unique characteristics make them hotspots for carbon cycling and biological diversity. Studies on isolated filamentous fungi and environmental and anthropogenic factors that influence sediments offer new understandings on how to preserve mangroves. Here we report on the filamentous fungi isolated from four mangroves. We correlated fungal community composition with sediment texture, polycyclic aromatic hydrocarbons concentration (oil pollution), pH, salinity, organic matter, total and thermotolerant coliforms (sewage pollution). In total we identified 34 genera and 97 species. The most polluted sites had highest species richness whereas the best preserved site showed the lowest species richness. Oil spill and sewage pollution were identified as the drivers of fungal community composition in the most polluted sites. We found very distinct fungal communities with no >5 species shared between any two mangrove sites.
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Affiliation(s)
- Angela Michelato Ghizelini
- Institute of Microbiology Paulo de Góes, Health Science Center, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
| | | | - Urs Christian Gießelmann
- Institute of Biology, Department of Chemistry-Biology, Faculty of Science and Technology, University of Siegen, Germany
| | - Erika Santoro
- Institute of Microbiology Paulo de Góes, Health Science Center, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Laura Pasqualette
- Institute of Microbiology Paulo de Góes, Health Science Center, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Leda C S Mendonça-Hagler
- Institute of Microbiology Paulo de Góes, Health Science Center, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Alexandre Soares Rosado
- Institute of Microbiology Paulo de Góes, Health Science Center, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Andrew Macrae
- Institute of Microbiology Paulo de Góes, Health Science Center, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
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25
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NILIN JEAMYLLE, SANTOS ANDERSONA, NASCIMENTO MEGGIEK. Ecotoxicology assay for the evaluation of environmental water quality in a tropical urban estuary. ACTA ACUST UNITED AC 2019; 91:e20180232. [DOI: 10.1590/0001-3765201820180232] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Accepted: 04/30/2018] [Indexed: 11/22/2022]
Affiliation(s)
- JEAMYLLE NILIN
- Universidade Federal de Sergipe/UFS, Brazil; Universidade Federal de Sergipe/UFS, Brazil
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26
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Dos Santos Rodrigues CC, Santos LGGV, Santos E, Damasceno FC, Corrêa JAM. Polycyclic aromatic hydrocarbons in sediments of the Amazon River Estuary (Amapá, Northern Brazil): Distribution, sources and potential ecological risk. MARINE POLLUTION BULLETIN 2018; 135:769-775. [PMID: 30301096 DOI: 10.1016/j.marpolbul.2018.07.053] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Revised: 07/05/2018] [Accepted: 07/21/2018] [Indexed: 06/08/2023]
Abstract
The distribution, sources and potential ecological risk of priority polycyclic aromatic hydrocarbons (PAHs) in sediment from the Amazon River Estuary (Macapá and Santana, Amapá, Northern Brazil) were investigated. The total PAHs concentration (∑PAH) ranged from 22.2 to 158.9 ng g-1 dw (mean value 49.4 ng g-1 dw). PAHs levels in the study area were relatively low than those in nearby areas and other coastal zones worldwide, and could be considered as baseline for PAHs in Amazonic sediments. PAHs ratios and the statistical analysis showed that fossil fuel and biomass combustions, primarily from local sources, were the dominant PAHs origins. The potential ecological risk was assessed on the basis of the sediment quality guidelines, and it was found that PAHs in the sediments of the Amazon River Estuary do not cause adverse effects on living organisms; however, the abundance of naphthalene and the presence of dibenzo[a,h]anthracene and benzo[a]pyrene deserve more attention.
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Affiliation(s)
| | | | - Ewerton Santos
- Universidade Federal de Sergipe, Av. Marechal Rondon, s/n - Jd. Rosa Elze, São Cristóvão, SE 49100-000, Brazil
| | - Flaviana Cardoso Damasceno
- Universidade Federal de Sergipe, Av. Marechal Rondon, s/n - Jd. Rosa Elze, São Cristóvão, SE 49100-000, Brazil
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27
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Yang Z, Shah K, Crevier C, Laforest S, Lambert P, Hollebone BP, Yang C, Brown CE, Landriault M, Goldthorp M. Occurrence, source and ecological assessment of petroleum related hydrocarbons in intertidal marine sediments of the Bay of Fundy, New Brunswick, Canada. MARINE POLLUTION BULLETIN 2018; 133:799-807. [PMID: 30041379 DOI: 10.1016/j.marpolbul.2018.06.047] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2018] [Revised: 06/12/2018] [Accepted: 06/16/2018] [Indexed: 06/08/2023]
Abstract
Total petroleum hydrocarbons (TPH), n-alkanes, petroleum-related biomarkers of terpanes and steranes, and polycyclic aromatic hydrocarbons (PAHs) were analyzed in the intertidal sediments in the Bay of Fundy, Nova Scotia/New Brunswick, Canada. Sites close to the harbour and more densely populated areas had higher TPH levels than other pristine areas. n-Alkanes presented a typical single bell-shape in n-C16 to n-C35 range and an obvious odd to even carbon preference. Most sites had trace amounts of petroleum biomarkers. Abundant non-alkylated PAHs and lower amounts of alkylated PAHs represented the major input of the incomplete combustion of solid (e.g., coal, coke, biomass, and coal tar) and liquid fuels. The toxicity estimation for PAHs indicates that they did not have potential toxicity to benthic organisms at most sampling sites. However, possible to probable negative effects from the measured PAH concentrations were found for the two samples from Courtenay Bay and Saint Andrews.
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Affiliation(s)
- Zeyu Yang
- Emergencies Science and Technology Section (ESTS), Environment & Climate Change Canada, Ottawa, ON, Canada.
| | - Keval Shah
- Emergencies Science and Technology Section (ESTS), Environment & Climate Change Canada, Ottawa, ON, Canada
| | - Charlotte Crevier
- Emergencies Science and Technology Section (ESTS), Environment & Climate Change Canada, Ottawa, ON, Canada
| | - Sonia Laforest
- Emergencies Science and Technology Section (ESTS), Environment & Climate Change Canada, Ottawa, ON, Canada
| | - Patrick Lambert
- Emergencies Science and Technology Section (ESTS), Environment & Climate Change Canada, Ottawa, ON, Canada
| | - Bruce P Hollebone
- Emergencies Science and Technology Section (ESTS), Environment & Climate Change Canada, Ottawa, ON, Canada
| | - Chun Yang
- Emergencies Science and Technology Section (ESTS), Environment & Climate Change Canada, Ottawa, ON, Canada
| | - Carl E Brown
- Emergencies Science and Technology Section (ESTS), Environment & Climate Change Canada, Ottawa, ON, Canada
| | - Mike Landriault
- Emergencies Science and Technology Section (ESTS), Environment & Climate Change Canada, Ottawa, ON, Canada
| | - Michael Goldthorp
- Emergencies Science and Technology Section (ESTS), Environment & Climate Change Canada, Ottawa, ON, Canada
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