1
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Alaoui A, Christ F, Silva V, Vested A, Schlünssen V, González N, Gai L, Abrantes N, Baldi I, Bureau M, Harkes P, Norgaard T, Navarro I, de la Torre A, Sanz P, Martínez MÁ, Hofman J, Pasković I, Pasković MP, Glavan M, Lwanga EH, Aparicio VC, Campos I, Alcon F, Contreras J, Mandrioli D, Sgargi D, Scheepers PTJ, Ritsema C, Geissen V. Identifying pesticides of high concern for ecosystem, plant, animal, and human health: A comprehensive field study across Europe and Argentina. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 948:174671. [PMID: 39004368 DOI: 10.1016/j.scitotenv.2024.174671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 06/30/2024] [Accepted: 07/08/2024] [Indexed: 07/16/2024]
Abstract
The widespread and excessive use of pesticides in modern agricultural practices has caused pesticide contamination of the environment, animals, and humans, with confirmed serious health consequences. This study aimed to identify the 20 most critical substances based on an analysis of detection frequency (DF) and median concentrations (MC) across environmental and biological matrices. A sampling campaign was conducted across 10 case study sites in Europe and 1 in Argentina, each encompassing conventional and organic farming systems. We analysed 209 active substances in a total of 4609 samples. All substances ranked among the 20 most critical were detected in silicon wristbands worn by humans and animals and indoor dust from both farming systems. Five of them were detected in all environmental matrices. Overall, higher values of DF and MC, including in the blood plasma of animals and humans, were recorded in samples of conventional compared to organic farms. The differences between farming systems were greater in the environmental samples and less in animal and human samples. Ten substances were detected in animal blood plasma from conventional farms and eight in animal blood plasma from organic farms. Two of those, detected in both farming systems, are classified as hazardous for mammals (acute). Five substances detected in animal blood plasma from organic farms and seven detected in animal blood plasma from conventional farms are classified as hazardous for mammals (dietary). Three substances detected in human blood plasma are classified as carcinogens. Seven of the substances detected in human blood plasma are classified as endocrine disruptors. Six substances, of which five were detected in human blood plasma, are hazardous for reproduction/development. Efforts are needed to elucidate the unknown effects of mixtures, and it is crucial that such research also considers biocides and banned substances, which constitute a baseline of contamination that adds to the effect of substances used in agriculture.
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Affiliation(s)
- Abdallah Alaoui
- Institute of Geography, University of Bern, Hallerstrasse 12, 3012 Bern, Switzerland.
| | - Florian Christ
- Institute of Geography, University of Bern, Hallerstrasse 12, 3012 Bern, Switzerland
| | - Vera Silva
- Soil Physics and Land Management Group, Wageningen University & Research, Wageningen, Netherlands
| | - Anne Vested
- Department of Public Health, Research unit for Environment, Occupation and Health, Danish Ramazzini Centre, Aarhus University, Aarhus, Denmark
| | - Vivi Schlünssen
- Department of Public Health, Research unit for Environment, Occupation and Health, Danish Ramazzini Centre, Aarhus University, Aarhus, Denmark
| | - Neus González
- Laboratory of Toxicology and Environmental Health, School of Medicine, IISPV, Universitat Rovira i Virgili, Sant Llorenç 21, 43201 Reus, Catalonia, Spain
| | - Lingtong Gai
- Soil Physics and Land Management Group, Wageningen University & Research, Wageningen, Netherlands
| | - Nelson Abrantes
- CESAM and Department of Biology, University of Aveiro, Portugal
| | - Isabelle Baldi
- Univ. Bordeaux, INSERM, BPH, U1219, F-33000 Bordeaux, France
| | - Mathilde Bureau
- Univ. Bordeaux, INSERM, BPH, U1219, F-33000 Bordeaux, France
| | - Paula Harkes
- Soil Physics and Land Management Group, Wageningen University & Research, Wageningen, Netherlands
| | - Trine Norgaard
- Department of Agroecology, Aarhus University, Blichers Allé 20, 8830 Tjele, Denmark
| | - Irene Navarro
- Unit of POPs and Emerging Pollutants in Environment, Department of Environment, CIEMAT, Madrid, Spain
| | - Adrián de la Torre
- Unit of POPs and Emerging Pollutants in Environment, Department of Environment, CIEMAT, Madrid, Spain
| | - Paloma Sanz
- Unit of POPs and Emerging Pollutants in Environment, Department of Environment, CIEMAT, Madrid, Spain
| | - María Ángeles Martínez
- Unit of POPs and Emerging Pollutants in Environment, Department of Environment, CIEMAT, Madrid, Spain
| | - Jakub Hofman
- RECETOX, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Igor Pasković
- Department of Agriculture and Nutrition, Institute of Agriculture and Tourism, K. Huguesa 8, 52440 Poreč, Croatia
| | - Marija Polić Pasković
- Department of Agriculture and Nutrition, Institute of Agriculture and Tourism, K. Huguesa 8, 52440 Poreč, Croatia
| | - Matjaž Glavan
- Agronomy Department, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, 1000 Ljubljana, Slovenia
| | - Esperanza Huerta Lwanga
- Soil Physics and Land Management Group, Wageningen University & Research, Wageningen, Netherlands
| | | | - Isabel Campos
- CESAM and Department of Environment and Planning, University of Aveiro, Portugal
| | - Francisco Alcon
- Agricultural Engineering School, Universidad Politécnica de Cartagena, Spain
| | - Josefa Contreras
- Agricultural Engineering School, Universidad Politécnica de Cartagena, Spain
| | | | - Daria Sgargi
- Cesare Maltoni Cancer Research Center, Ramazzini Institute, Italy
| | - Paul T J Scheepers
- Radboud Institute for Biological and Environmental Sciences, Radboud University, Nijmegen, the Netherlands
| | - Coen Ritsema
- Soil Physics and Land Management Group, Wageningen University & Research, Wageningen, Netherlands
| | - Violette Geissen
- Soil Physics and Land Management Group, Wageningen University & Research, Wageningen, Netherlands
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2
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Gomarasca S, Stefani F, Fasola E, La Porta CA, Bocchi S. Regional evaluation of glyphosate pollution in the minor irrigation network. CHEMOSPHERE 2024; 355:141679. [PMID: 38527632 DOI: 10.1016/j.chemosphere.2024.141679] [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: 09/20/2023] [Revised: 02/13/2024] [Accepted: 03/08/2024] [Indexed: 03/27/2024]
Abstract
Due to its low cost, its ease of use and to the "mild action" declared for long time by the Control and Approval Agencies towards it, the herbicide Glyphosate, is one of the currently best-selling and most-used agricultural products worldwide. In this work, we evaluated the presence and spread of Glyphosate in the Po River Basin (Northern Italy), one of the regions with the most intensified agriculture in Europe and where, by now for decades, a strong and general loss of aquatic biodiversity is observed. In order to carry out a more precise study of the real presence of this herbicide in the waters, samples were collected from the minor water network for two consecutive years, starting in 2022, at an interval time coinciding with those of the spring and summer crop treatments. In contrast to the sampling strategies generally adopted by Environmental Protection Agencies, a more focused sampling strategy was adopted to highlight the possible high concentrations in minor watercourses in direct contact with cultivated fields. Finally, we investigated the possible consequences that the higher amounts of Glyphosate found in our monitoring activities can have on stress reactions in plant (Groenlandia densa) and animal (Daphnia magna) In all the monitoring campaigns we detected exceeding European Environmental Quality Standard - EQS limits (0.1 μg/L) values. Furthermore, in some intensively agricultural areas, concentrations reached hundreds of μg/L, with the highest peaks during spring. In G. densa and D. magna, the exposition to increasing doses of herbicide showed a clear response linked to metabolic stress. Overall, our results highlight how, after several decades of its use, the Glyphosate use efficiency is still too low, leading to economic losses for the farm and to strong impacts on ecosystem health. Current EU policy indications call for an agroecological approach necessary to find alternatives to chemical weed control, which farms can develop in different contexts in order to achieve the sustainability goals set by the Farm to Fork strategy.
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Affiliation(s)
- Stefano Gomarasca
- Dep. of Environmental Science and Policy (ESP), University of Milan, Via Celoria 2, 20133, Milano, Italy.
| | - Fabrizio Stefani
- Water Research Institute-National Research Council (IRSA-CNR), Via del Mulino 19, 20861, Brugherio, MB, Italy.
| | - Emanuele Fasola
- Water Research Institute-National Research Council (IRSA-CNR), Via del Mulino 19, 20861, Brugherio, MB, Italy.
| | - Caterina Am La Porta
- Dep. of Environmental Science and Policy (ESP), University of Milan, Via Celoria 2, 20133, Milano, Italy.
| | - Stefano Bocchi
- Dep. of Environmental Science and Policy (ESP), University of Milan, Via Celoria 2, 20133, Milano, Italy.
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3
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Knuth D, Gai L, Silva V, Harkes P, Hofman J, Šudoma M, Bílková Z, Alaoui A, Mandrioli D, Pasković I, Polić Pasković M, Baldi I, Bureau M, Alcon F, Contreras J, Glavan M, Abrantes N, Campos I, Norgaard T, Huerta Lwanga E, Scheepers PTJ, Ritsema CJ, Geissen V. Pesticide Residues in Organic and Conventional Agricultural Soils across Europe: Measured and Predicted Concentrations. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:6744-6752. [PMID: 38568876 PMCID: PMC11025110 DOI: 10.1021/acs.est.3c09059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 03/18/2024] [Accepted: 03/19/2024] [Indexed: 04/05/2024]
Abstract
During the growing season of 2021, 201 soil samples from conventionally and organically managed fields from 10 European countries and 8 cropping systems were taken, and 192 residues of synthetic pesticides were analyzed. Pesticide residues were found in 97% of the samples, and 88% of the samples contained mixtures of at least 2 substances. A maximum of 21 substances were found in conventionally managed fields, and a maximum of 12 were found in organically managed fields. The number and concentration of pesticide residues varied significantly between conventional and organic fields in 70 and 50% of the case study sites, respectively. Application records were available for a selected number of fields (n = 82), and these records were compared to the detected substances. Residues from 52% of the applied pesticides were detected in the soils. Only 21% of the pesticide residues detected in the soil samples were applied during the 2021 growing season. From the application data, predicted environmental concentrations of residues in soil were calculated and compared to the measured concentrations. These estimates turned out not to be accurate. The results of this study show that most European agricultural soils contain mixtures of pesticide residues and that current calculation methods may not reliably estimate their presence.
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Affiliation(s)
- Dennis Knuth
- Soil
Physics and Land Management Group, Wageningen
University and Research, Droevendaalsesteeg 3, 6708 PB Wageningen, The Netherlands
| | - Lingtong Gai
- Soil
Physics and Land Management Group, Wageningen
University and Research, Droevendaalsesteeg 3, 6708 PB Wageningen, The Netherlands
| | - Vera Silva
- Soil
Physics and Land Management Group, Wageningen
University and Research, Droevendaalsesteeg 3, 6708 PB Wageningen, The Netherlands
| | - Paula Harkes
- Soil
Physics and Land Management Group, Wageningen
University and Research, Droevendaalsesteeg 3, 6708 PB Wageningen, The Netherlands
| | - Jakub Hofman
- RECETOX,
Faculty of Science, Masaryk University, Kamenice 753/5, 625 00 Brno, Czech
Republic
| | - Marek Šudoma
- RECETOX,
Faculty of Science, Masaryk University, Kamenice 753/5, 625 00 Brno, Czech
Republic
| | - Zuzana Bílková
- RECETOX,
Faculty of Science, Masaryk University, Kamenice 753/5, 625 00 Brno, Czech
Republic
| | - Abdallah Alaoui
- Institute
of Geography, University of Bern, Hallerstrasse 12, 3012 Bern, Switzerland
| | - Daniele Mandrioli
- Cesare
Maltoni Cancer Research Center, Ramazzini
Institute, Via Saliceto
3, 40010 Bologna, Bentivoglio, Italy
| | - Igor Pasković
- Department
of Agriculture and Nutrition, Institute
of Agriculture and Tourism, K. Huguesa 8, 52440 Poreč, Croatia
| | - Marija Polić Pasković
- Department
of Agriculture and Nutrition, Institute
of Agriculture and Tourism, K. Huguesa 8, 52440 Poreč, Croatia
| | - Isabelle Baldi
- Univ.
Bordeaux,
INSERM, BPH, U1219, 146
Rue Léo Saignat, 33076 Bordeaux, France
| | - Mathilde Bureau
- Univ.
Bordeaux,
INSERM, BPH, U1219, 146
Rue Léo Saignat, 33076 Bordeaux, France
| | - Francisco Alcon
- Escuela
Técnica Superior de Ingeniería Agronómica, Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, 30203 Cartagena, Spain
| | - Josefa Contreras
- Escuela
Técnica Superior de Ingeniería Agronómica, Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, 30203 Cartagena, Spain
| | - Matjaž Glavan
- Agronomy
Department, Biotechnical Faculty, University
of Ljubljana, Jamnikarjeva 101, 1000 Ljubljana, Slovenia
| | - Nelson Abrantes
- CESAM
and Department of Biology, University of
Aveiro, 3810-193 Aveiro, Portugal
| | - Isabel Campos
- CESAM
and Department of Environment and Planning, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Trine Norgaard
- Department of Agroecology, Aarhus University, Blichers Allé 20, 8830 Tjele, Denmark
| | - Esperanza Huerta Lwanga
- Soil
Physics and Land Management Group, Wageningen
University and Research, Droevendaalsesteeg 3, 6708 PB Wageningen, The Netherlands
| | - Paul T. J. Scheepers
- Radboud Institute for Biological and Environmental
Sciences, Radboud
University, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands
| | - Coen J. Ritsema
- Soil
Physics and Land Management Group, Wageningen
University and Research, Droevendaalsesteeg 3, 6708 PB Wageningen, The Netherlands
| | - Violette Geissen
- Soil
Physics and Land Management Group, Wageningen
University and Research, Droevendaalsesteeg 3, 6708 PB Wageningen, The Netherlands
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4
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Furtak A, Szafranek-Nakonieczna A, Furtak K, Pytlak A. A review of organophosphonates, their natural and anthropogenic sources, environmental fate and impact on microbial greenhouse gases emissions - Identifying knowledge gaps. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 355:120453. [PMID: 38430886 DOI: 10.1016/j.jenvman.2024.120453] [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: 10/03/2023] [Revised: 01/26/2024] [Accepted: 02/20/2024] [Indexed: 03/05/2024]
Abstract
Organophosphonates (OPs) are a unique group of natural and synthetic compounds, characterised by the presence of a stable, hard-to-cleave bond between the carbon and phosphorus atoms. OPs exhibit high resistance to abiotic degradation, excellent chelating properties and high biological activity. Despite the huge and increasing scale of OP production and use worldwide, little is known about their transportation and fate in the environment. Available data are dominated by information concerning the most recognised organophosphonate - the herbicide glyphosate - while other OPs have received little attention. In this paper, a comprehensive review of the current state of knowledge about natural and artificial OPs is presented (including glyphosate). Based on the available literature, a number of knowledge gaps have been identified that need to be filled in order to understand the environmental effects of these abundant compounds. Special attention has been given to GHG-related processes, with a particular focus on CH4. This stems from the recent discovery of OP-dependent CH4 production in aqueous environments under aerobic conditions. The process has changed the perception of the biogeochemical cycle of CH4, since it was previously thought that biological methane formation was only possible under anaerobic conditions. However, there is a lack of knowledge on whether OP-associated methane is also formed in soils. Moreover, it remains unclear whether anthropogenic OPs affect the CH4 cycle, a concern of significant importance in the context of the increasing rate of global warming. The literature examined in this review also calls for additional research into the date of OPs in waste and sewage and in their impact on environmental microbiomes.
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Affiliation(s)
- Adam Furtak
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290, Lublin, Poland
| | - Anna Szafranek-Nakonieczna
- Department of Biology and Biotechnology of Microorganisms, Institute of Medical Sciences, The John Paul II Catholic University of Lublin, Konstantynów 1 I, 20-708, Lublin, Poland
| | - Karolina Furtak
- Department of Agricultural Microbiology, Institute of Soil Science and Plant Cultivation - State Research Institute, Krańcowa 8, INCBR Centre, 24-100, Puławy, Poland
| | - Anna Pytlak
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290, Lublin, Poland.
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5
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Wei X, Pan Y, Zhang Z, Cui J, Yin R, Li H, Qin J, Li AJ, Qiu R. Biomonitoring of glyphosate and aminomethylphosphonic acid: Current insights and future perspectives. JOURNAL OF HAZARDOUS MATERIALS 2024; 463:132814. [PMID: 37890382 DOI: 10.1016/j.jhazmat.2023.132814] [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: 07/03/2023] [Revised: 09/28/2023] [Accepted: 10/18/2023] [Indexed: 10/29/2023]
Abstract
Glyphosate is one of the most widely used herbicides globally, raising concerns about its potential impact on human health. Biomonitoring studies play a crucial role in assessing human exposure to glyphosate and providing valuable insights into its distribution and metabolism in the body. This review aims to summarize the current trends and future perspectives in biomonitoring of glyphosate and its major degradation product of aminomethylphosphonic acid (AMPA). A comprehensive literature search was conducted, focusing on studies published between January 2000 and December 2022. The findings demonstrated that glyphosate and AMPA have been reported in different human specimens with urine as the dominance. Sample pretreatment techniques of solid-phase and liquid-liquid extractions coupled with liquid/gas chromatography-tandem mass spectrometry have achieved matrix elimination and accurate analysis. We also examined and compared the exposure characteristics of these compounds among different regions and various populations, with significantly higher levels of glyphosate and AMPA observed in Asian populations and among occupational groups. The median urinary concentration of glyphosate in children was 0.54 ng/mL, which was relatively higher than those in women (0.28 ng/mL) and adults (0.12 ng/mL). It is worth noting that children may exhibit increased susceptibility to glyphosate exposure or have different exposure patterns compared to women and adults. A number of important perspectives were proposed in order to further facilitate the understanding of health effects of glyphosate and AMPA, which include, but are not limited to, method standardization, combined exposure assessment, attention for vulnerable populations, long-term exposure effects and risk communication and public awareness.
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Affiliation(s)
- Xin Wei
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Yanan Pan
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Ziqi Zhang
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Jingyi Cui
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Renli Yin
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Huashou Li
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Junhao Qin
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Adela Jing Li
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China.
| | - Rongliang Qiu
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
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6
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García Carriquiry I, Silva V, Raevel F, Harkes P, Osman R, Bentancur O, Fernandez G, Geissen V. Effects of mixtures of herbicides on nutrient cycling and plant support considering current agriculture practices. CHEMOSPHERE 2024; 349:140925. [PMID: 38086451 DOI: 10.1016/j.chemosphere.2023.140925] [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: 09/12/2023] [Revised: 12/05/2023] [Accepted: 12/07/2023] [Indexed: 12/19/2023]
Abstract
The use of mixtures of pesticides and consecutive pesticide applications challenge current regulations aimed at protecting ecosystem health due to unpredictable effects of complex and dynamic mixtures. In this study, we tested the ecotoxicological effects of mixtures of herbicides, applied following a real application scheme of soybean production on soil health in a mesocosm experiment. The experiment included two sequential applications; first, glyphosate + dicamba + clethodim, and 30 days later, flumioxazin + metolachlor. Commercial products were used at the recommended doses and at two other concentrations: half and double the recommended dose. Soybean plants were exposed to the herbicide-contaminated soil from the time of sowing to the beginning of pod formation. Half of the plants were harvested at the vegetative stage and the remaining plants at the reproductive stage to evaluate endpoints related to plant support and nutrient cycling. Plant biomass was significantly affected during the vegetative stage at the recommended and double the recommended dose, with the effects being mixture-dose dependent. Lower total and arbuscular colonization of mycorrhizas were also observed in double the recommended dose, and intermediate results were observed for the recommended dose. Nodule mass and phosphorous concentration in plants decreased with increasing herbicide doses. By the end of the experiment, nodule mass and total mycorrhizal colonization were low in the plants treated with double the recommended dose of herbicides. However, both endpoints reached similar values to the control at lower herbicide doses. Plant height and phenology were only lower at double the recommended dose during the experiment. The use of non-standard endpoints evidenced that important soil functions were transiently or permanently affected, while the realistic application scheme accounted for the impact of the management practice currently used. Pesticide risk assessment should therefore, incorporate both issues to effectively protect the ecosystems.
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Affiliation(s)
- I García Carriquiry
- Soil Physics & Land Management Group, Wageningen University & Research, Netherlands; CENUR Litoral Norte, Universidad de la República, Uruguay.
| | - V Silva
- Soil Physics & Land Management Group, Wageningen University & Research, Netherlands
| | - F Raevel
- Soil Physics & Land Management Group, Wageningen University & Research, Netherlands
| | - P Harkes
- Soil Physics & Land Management Group, Wageningen University & Research, Netherlands
| | - R Osman
- Soil Physics & Land Management Group, Wageningen University & Research, Netherlands
| | - O Bentancur
- Facultad de Agronomía, Universidad de la República, Uruguay
| | - G Fernandez
- Facultad de Agronomía, Universidad de la República, Uruguay
| | - V Geissen
- Soil Physics & Land Management Group, Wageningen University & Research, Netherlands
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7
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Zhang Y, Yan Y, Dai Q, Tan J, Wang C, Zhou H, Hu Z. Glyphosate spraying exacerbates nitrogen and phosphorus loss in karst slope farmland. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 196:80. [PMID: 38141083 DOI: 10.1007/s10661-023-12238-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 12/14/2023] [Indexed: 12/24/2023]
Abstract
Glyphosate herbicide is an indispensable material in agricultural production. In order to explore the potential environmental effects of glyphosate application in karst slope farmland, this paper used a variable slope steel tank to simulate the surface microtopography and underground pore structure characteristics of karst slope farmland, and combined with artificial rainfall experiments to explore the migration path of glyphosate in karst slope farmland and the impact of spraying glyphosate on soil nitrogen and phosphorus loss. The results showed that under the condition of heavy rain, glyphosate in karst slope farmland was mainly transported and diffused by surface runoff, supplemented by underground runoff; secondly, in different hydrological paths, glyphosate directly affected the content of nitrogen and phosphorus in runoff, and all showed extremely significant positive correlation (p < 0.001). In addition, rainfall conditions such as rainfall intensity, rainfall duration, and runoff affected the content of nitrogen and phosphorus in runoff to varying degrees. In conclusion, the application of glyphosate significantly increased the content of nitrogen and phosphorus in different runoff and accelerated the loss of nitrogen and phosphorus from soil, which not only led to soil degradation, but also threatened the safety of aquatic ecosystem. Therefore, in the prevention and control of agricultural non-point source pollution, the threat of glyphosate to the surrounding aquatic ecosystem cannot be ignored, especially in karst areas with frequent rainstorms and serious water erosion, long-term monitoring and risk assessment of glyphosate are needed.
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Affiliation(s)
- You Zhang
- College of Forestry, Guizhou University, Guiyang, 550025, People's Republic of China
- Tongren Polytechnic College, Tongren, 554300, People's Republic of China
- Institute of Soil Erosion and Ecological Restoration, Guizhou University, Guiyang, 550025, People's Republic of China
| | - Youjin Yan
- College of Forestry, Guizhou University, Guiyang, 550025, People's Republic of China
- Institute of Soil Erosion and Ecological Restoration, Guizhou University, Guiyang, 550025, People's Republic of China
| | - Quanhou Dai
- College of Forestry, Guizhou University, Guiyang, 550025, People's Republic of China.
- Institute of Soil Erosion and Ecological Restoration, Guizhou University, Guiyang, 550025, People's Republic of China.
| | - Juan Tan
- College of Forestry, Guizhou University, Guiyang, 550025, People's Republic of China
- Institute of Soil Erosion and Ecological Restoration, Guizhou University, Guiyang, 550025, People's Republic of China
| | - Chenyang Wang
- College of Forestry, Guizhou University, Guiyang, 550025, People's Republic of China
- Institute of Soil Erosion and Ecological Restoration, Guizhou University, Guiyang, 550025, People's Republic of China
| | - Hong Zhou
- College of Forestry, Guizhou University, Guiyang, 550025, People's Republic of China
- Institute of Soil Erosion and Ecological Restoration, Guizhou University, Guiyang, 550025, People's Republic of China
| | - Zeyin Hu
- College of Forestry, Guizhou University, Guiyang, 550025, People's Republic of China
- Institute of Soil Erosion and Ecological Restoration, Guizhou University, Guiyang, 550025, People's Republic of China
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8
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Sari R, Juho V, Katri S, Jaana UK. Determination of glyphosate and aminomethylphosphonic acid residues in Finnish soils by ultra-high performance liquid chromatography-tandem mass spectrometry. MethodsX 2023; 11:102397. [PMID: 37791013 PMCID: PMC10542195 DOI: 10.1016/j.mex.2023.102397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 09/22/2023] [Indexed: 10/05/2023] Open
Abstract
Glyphosate [N-(phosphonomethyl) glycine] (GLY) adsorbs strongly in Finnish soils. A new method for GLY and its main degradation product, aminomethylphosphonic acid (AMPA) residues in clay soils (Protovertic Luvisol) was developed and validated. A new method was necessary because the previous one required laborious cleaning pre-treatments, and its recovery was quite poor (<40%-70%). In the new method, the earlier method's extraction solvent, 0.1 M potassium hydroxide (KOH), was replaced by more effective 0.6 M KOH. The old post-column high-performance liquid chromatography and fluorescence (HPLC-FLD) method was replaced by the ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) method. Compounds were identified as their fluorenyl methyl chloroformate (FMOC) derivatives by a multiple reaction monitoring (MRM) technique and quantified by an internal standard method utilising multipoint matrix-matched calibration. Glufosinate-ammonium (GLUF) was used to monitor the effectiveness of extraction with good recovery (80-119%). All calibration curves were found to be linear (R2 ≥ 0.98) in the studied calibration range (0.01-3.31 mg kg-1 in fresh soil). The repeatability and reproducibility were 25% and 28% for GLY, and 20% and 24% for AMPA in real research soil samples. The method was effective throughout the calibration range in all the studied Finnish agricultural soils.•An improved method was created to analyse glyphosate (GLY) and AMPA in Finnish clay soil.•The challenge caused by strong GLY adsorption on soil was solved by using multipoint matrix-matched calibration curve samples which were prepared identically with the research samples.•The method performed well in all tested clay, loam and sandy loam soils.
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Affiliation(s)
- Rämö Sari
- Natural Resources Institute Finland (Luke), Myllytie 1, Jokioinen 31600, Finland
| | - Välimäki Juho
- MTT Agrifood Research, Finland
- current: KVVY Tutkimus Oy, Patamäenkatu 24, Tampere 33900, Finland
| | - Siimes Katri
- Finnish Environmental Institute (Syke), Latokartanonkaari 11, Helsinki 00790, Finland
| | - Uusi-Kämppä Jaana
- Natural Resources Institute Finland (Luke), Tietotie 4, Jokioinen 31600, Finland
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9
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Mohy-Ud-Din W, Bashir S, Akhtar MJ, Asghar HMN, Ghafoor U, Hussain MM, Niazi NK, Chen F, Ali Q. Glyphosate in the environment: interactions and fate in complex soil and water settings, and (phyto) remediation strategies. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2023; 26:816-837. [PMID: 37994831 DOI: 10.1080/15226514.2023.2282720] [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: 11/24/2023]
Abstract
Glyphosate (Gly) and its formulations are broad-spectrum herbicides globally used for pre- and post-emergent weed control. Glyphosate has been applied to terrestrial and aquatic ecosystems. Critics have claimed that Gly-treated plants have altered mineral nutrition and increased susceptibility to plant pathogens because of Gly ability to chelate divalent metal cations. Still, the complete resistance of Gly indicates that chelation of metal cations does not play a role in herbicidal efficacy or have a substantial impact on mineral nutrition. Due to its extensive and inadequate use, this herbicide has been frequently detected in soil (2 mg kg-1, European Union) and in stream water (328 µg L-1, USA), mostly in surface (7.6 µg L-1, USA) and groundwater (2.5 µg L-1, Denmark). International Agency for Research on Cancer (IARC) already classified Gly as a category 2 A carcinogen in 2016. Therefore, it is necessary to find the best degradation techniques to remediate soil and aquatic environments polluted with Gly. This review elucidates the effects of Gly on humans, soil microbiota, plants, algae, and water. This review develops deeper insight toward the advances in Gly biodegradation using microbial communities. This review provides a thorough understanding of Gly interaction with mineral elements and its limitations by interfering with the plants biochemical and morphological attributes.
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Affiliation(s)
- Waqas Mohy-Ud-Din
- Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad Pakistan
- Department of Soil and Environmental Sciences, Ghazi University, D. G. Khan Pakistan
- Institute of Marine and Environmental Technology, University of MD Center for Environmental Science, Baltimore, MD, USA
| | - Safdar Bashir
- Department of Soil and Environmental Sciences, Ghazi University, D. G. Khan Pakistan
| | - Muhammad Javed Akhtar
- Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad Pakistan
| | | | - Umber Ghafoor
- Pesticide Residue Laboratory, Kala Shah Kaku, Pakistan
| | | | - Nabeel Khan Niazi
- Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad Pakistan
| | - Feng Chen
- Institute of Marine and Environmental Technology, University of MD Center for Environmental Science, Baltimore, MD, USA
| | - Qasim Ali
- Department of Soil Science, Faculty of Agriculture and Environment, The Islamia University of Bahawalpur, Pakistan
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10
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Fernandes G, Aparicio VC, De Gerónimo E, Prestes OD, Zanella R, Ebling E, Parisi PB, Mollmann VHDS, Reichert JM, Rheinheimer Dos Santos D. Epilithic biofilms as a discriminating matrix for long-term and growing season pesticide contamination in the aquatic environment: Emphasis on glyphosate and metabolite AMPA. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 900:166315. [PMID: 37604376 DOI: 10.1016/j.scitotenv.2023.166315] [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: 08/10/2023] [Accepted: 08/12/2023] [Indexed: 08/23/2023]
Abstract
The indiscriminate use of pesticides represents high ecological risk in aquatic systems. Recently, the inclusion of epilithic biofilms as a reactive matrix has shown potential in diagnosing the health of water resources. The objective of this study was to use multiple matrices (water, suspended sediments, and biofilms) to discriminate contamination degrees in catchments with long and recent history of intensive pesticide use and to monitor growing season pesticides transfer to watercourses. Two catchments were monitored: one representative of "modern agriculture" in a subtropical environment, and another representative of recent agricultural expansion over the Pampa Biome in subtropical Brazil. Glyphosate and AMPA were accumulated in the biofilms and were detected at all sites and at all monitoring times, in concentrations ranging from 195 to 7673 μg kg-1 and from 225 to 4180 μg kg-1, respectively. Similarly, the fungicide tebuconazole has always been found in biofilms. The biofilms made it possible to discriminate the long-term history of pesticide use in the catchments and even to identify the influx pulses of pesticides immediately after their application to crops, which was not possible with active water sampling and even with suspended sediment monitoring. It is strongly recommended that, in regions with intensive cultivation of soybeans and other genetically modified crops, the presence of glyphosate and its metabolite AMPA be permanently monitored, a practice still very scarce in the literature.
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Affiliation(s)
- Gracieli Fernandes
- Soils Department, Federal University of Santa Maria, Roraima Avenue, 1000, Santa Maria, RS, 97105-900, Brazil.
| | - Virginia Carolina Aparicio
- Instituto Nacional de Tecnología Agropecuaria INTA EEA Balcarce, Ruta Nacional 226, Km 73,5, Balcarce CP 7620, Buenos Aires, Argentina
| | - Eduardo De Gerónimo
- Instituto Nacional de Tecnología Agropecuaria INTA EEA Balcarce, Ruta Nacional 226, Km 73,5, Balcarce CP 7620, Buenos Aires, Argentina
| | - Osmar Damian Prestes
- Laboratory of Pesticide Residues Analysis (LARP), Chemistry Department, Federal University of Santa Maria, Roraima Avenue, 1000, Santa Maria, RS, 97105-900, Brazil
| | - Renato Zanella
- Laboratory of Pesticide Residues Analysis (LARP), Chemistry Department, Federal University of Santa Maria, Roraima Avenue, 1000, Santa Maria, RS, 97105-900, Brazil
| | - Ederson Ebling
- Soils Department, Federal University of Santa Maria, Roraima Avenue, 1000, Santa Maria, RS, 97105-900, Brazil
| | - Pedro Bolzan Parisi
- Soils Department, Federal University of Santa Maria, Roraima Avenue, 1000, Santa Maria, RS, 97105-900, Brazil
| | - Victor Hugo Dos Santos Mollmann
- Graduate Program in Animal Biodiversity, Federal University of Santa Maria, Roraima Avenue, 1000, Santa Maria, RS, 97105-900, Brazil
| | - José Miguel Reichert
- Soils Department, Federal University of Santa Maria, Roraima Avenue, 1000, Santa Maria, RS, 97105-900, Brazil
| | - Danilo Rheinheimer Dos Santos
- Soils Department, Federal University of Santa Maria, Roraima Avenue, 1000, Santa Maria, RS, 97105-900, Brazil; Foreign Visiting Professors at University of Limoges, (2022-2023) France
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11
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Msibi SS, Su LJ, Chen CY, Chang CP, Chen CJ, Wu KY, Chiang SY. Impacts of Agricultural Pesticide Contamination: An Integrated Risk Assessment of Rural Communities of Eswatini. TOXICS 2023; 11:770. [PMID: 37755780 PMCID: PMC10534646 DOI: 10.3390/toxics11090770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/06/2023] [Accepted: 09/07/2023] [Indexed: 09/28/2023]
Abstract
Marked reductions in mean annual rainfall associated with climate change in Eswatini in Southern Africa have encouraged the recycling of irrigation water and the increased use of pesticides in agricultural production, raising concerns about potential ecological and health risks due to long-term exposure to pesticide residues in soil and irrigation water. This probabilistic integrated risk assessment used liquid chromatography with tandem mass spectrometry to analyze the concentrations of four commonly used agricultural pesticides (ametryn, atrazine, pendimethalin, and 2,4-dichlorophenoxyacetic acid (2,4-D)) in irrigation water and topsoil samples from farmlands in Eswatini to assess potential ecological and health risks due to exposure. The concentrations of these pesticides ranged from undetectable to 0.104 µg/L in irrigation water and from undetectable to 2.70 µg/g in soil. The probabilistic multi-pathway and multi-route risk assessments conducted revealed hazard indices exceeding 1.0 for all age groups for ametryn and atrazine, suggesting that the daily consumption of recycled irrigation water and produce from the fields in this area may pose considerable health risks. The indices pertaining to ecological risks had values less than 0.1. Adaptation measures are recommended to efficiently manage pesticide use in agriculture, and further research will ensure that agriculture can adapt to climate change and that the general public and ecosystem are protected.
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Affiliation(s)
- Sithembiso Sifiso Msibi
- O’Donnell School of Public Health, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390, USA; (S.S.M.); (L.J.S.)
| | - Lihchyun Joseph Su
- O’Donnell School of Public Health, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390, USA; (S.S.M.); (L.J.S.)
| | - Chung-Yu Chen
- Department of Occupational Safety and Health, College of Health Sciences, Chang Jung Christian University, No. 1, Changda Rd., Guiren District, Tainan 71101, Taiwan; (C.-Y.C.); (C.-P.C.); (C.-J.C.)
| | - Cheng-Ping Chang
- Department of Occupational Safety and Health, College of Health Sciences, Chang Jung Christian University, No. 1, Changda Rd., Guiren District, Tainan 71101, Taiwan; (C.-Y.C.); (C.-P.C.); (C.-J.C.)
| | - Chiou-Jong Chen
- Department of Occupational Safety and Health, College of Health Sciences, Chang Jung Christian University, No. 1, Changda Rd., Guiren District, Tainan 71101, Taiwan; (C.-Y.C.); (C.-P.C.); (C.-J.C.)
| | - Kuen-Yuh Wu
- Institute of Food Safety and Health, College of Public Health, National Taiwan University, No. 17, Xuzhou Rd., Taipei 10055, Taiwan
- Department of Public Health, College of Public Health, National Taiwan University, No. 17, Xuzhou Rd., Taipei 10055, Taiwan
- Institute of Environmental and Occupational Health Sciences, College of Public Health, National Taiwan University, No. 17, Xuzhou Rd., Taipei 10055, Taiwan
| | - Su-Yin Chiang
- School of Chinese Medicine, College of Chinese Medicine, China Medical University, No. 91, Hsueh-Shih Rd., Taichung 40402, Taiwan
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12
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Zioga E, White B, Stout JC. Glyphosate used as desiccant contaminates plant pollen and nectar of non-target plant species. Heliyon 2022; 8:e12179. [DOI: 10.1016/j.heliyon.2022.e12179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 11/09/2022] [Accepted: 11/30/2022] [Indexed: 12/14/2022] Open
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13
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Qu M, Wang L, Xu Q, An J, Mei Y, Liu G. Influence of glyphosate and its metabolite aminomethylphosphonic acid on aquatic plants in different ecological niches. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 246:114155. [PMID: 36206639 DOI: 10.1016/j.ecoenv.2022.114155] [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: 05/15/2022] [Revised: 09/29/2022] [Accepted: 10/03/2022] [Indexed: 06/16/2023]
Abstract
Glyphosate and its metabolite aminomethylphosphonic acid (AMPA) draw great concern due to their potential threat to aquatic ecosystems. The individual and combined effects of glyphosate and AMPA on aquatic plants in different ecological niches need to be explored. This study aimed to investigate the ecotoxicity of glyphosate and AMPA on the emergent macrophyte Acorus calamus, phytoplankton Chlorella vulgaris, and submerged macrophyte Vallisneria natans after their exposure to glyphosate and AMPA alone and to their mixture. Medium and low concentrations of glyphosate (≤ 0.5 mg L-1) significantly inhibited the growth of V. natans and promoted the growth of C. vulgaris (P < 0.05) but had no significant effect on the growth of A. calamus (P > 0.05). AMPA (≤ 5.0 mg L-1) did not significantly influence the relative growth rate (except C. vulgaris) or malonaldehyde levels but significantly altered the expression levels of chlorophyll-related genes and superoxide dismutase [Cu-Zn] genes in the aquatic plants examined. AMPA mainly affected the oxidative phosphorylation pathway in V. natans and not those in other two plants, indicating that V. natans was more sensitive to AMPA-induced oxidative damage. Moreover, antagonistic effects on plant growth were observed when plants were exposed to low concentrations of glyphosate + AMPA (≤ 0.1 + 0.1 mg L-1). When the concentration of glyphosate + AMPA reached 0.5 + 0.5 and 5.0 + 5.0 mg L-1, the growth of the submerged macrophyte was additively or synergistically inhibited, but the growth of the emergent macrophyte and phytoplankton was antagonistically inhibited. Our results indicated that both the individual and combined effects of glyphosate and AMPA might alter the vertical structure of shallow lakes and accelerate the conversion of shallow lakes from grass-based to algal-based lakes.
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Affiliation(s)
- Mengjie Qu
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China; Laboratory of Eco-Environmental Engineering Research, Microelement Research Centre, Huazhong Agricultural University, Wuhan 430070, China
| | - Longtao Wang
- CCCC Second Harbor Engineering Company LTD, Wuhan 430040, China
| | - Qiang Xu
- BOE Environmental Energy Technology Company LTD, Beijing 100176, China
| | - Jiaqi An
- Laboratory of Eco-Environmental Engineering Research, Microelement Research Centre, Huazhong Agricultural University, Wuhan 430070, China
| | - Yunjun Mei
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China.
| | - Guanglong Liu
- Laboratory of Eco-Environmental Engineering Research, Microelement Research Centre, Huazhong Agricultural University, Wuhan 430070, China.
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14
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Rondeau S, Raine NE. Fungicides and bees: a review of exposure and risk. ENVIRONMENT INTERNATIONAL 2022; 165:107311. [PMID: 35714526 DOI: 10.1016/j.envint.2022.107311] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 04/03/2022] [Accepted: 05/16/2022] [Indexed: 06/15/2023]
Abstract
Fungicides account for more than 35% of the global pesticide market and their use is predicted to increase in the future. While fungicides are commonly applied during bloom when bees are likely foraging on crops, whether real-world exposure to these chemicals - alone or in combination with other stressors - constitutes a threat to the health of bees is still the subject of great uncertainty. The first step in estimating the risks of exposure to fungicides for bees is to understand how and to what extent bees are exposed to these active ingredients. Here we review the current knowledge that exists about exposure to fungicides that bees experience in the field, and link quantitative data on exposure to acute and chronic risk of lethal endpoints for honey bees (Apis mellifera). From the 702 publications we screened, 76 studies contained quantitative data on residue detections in honey bee matrices, and a further 47 provided qualitative information about exposure for a range of bee taxa through various routes. We compiled data for 90 fungicides and metabolites that have been detected in honey, beebread, pollen, beeswax, and the bodies of honey bees. The risks posed to honey bees by fungicide residues was estimated through the EPA Risk Quotient (RQ) approach. Based on residue concentrations detected in honey and pollen/beebread, none of the reported fungicides exceeded the levels of concern (LOC) set by regulatory agencies for acute risk, while 3 and 12 fungicides exceeded the European Food Safety Authority (EFSA) chronic LOC for honey bees and wild bees, respectively. When considering exposure to all bees, fungicides of most concern include many broad-spectrum systemic fungicides, as well as the widely used broad-spectrum contact fungicide chlorothalonil. In addition to providing a detailed overview of the frequency and extent of fungicide residue detections in the bee environment, we identified important research gaps and suggest future directions to move towards a more comprehensive understanding and mitigation of the risks of exposure to fungicides for bees, including synergistic risks of co-exposure to fungicides and other pesticides or pathogens.
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Affiliation(s)
- Sabrina Rondeau
- School of Environmental Sciences, University of Guelph, 50 Stone Road East Guelph, Ontario N1G 2W1, Canada.
| | - Nigel E Raine
- School of Environmental Sciences, University of Guelph, 50 Stone Road East Guelph, Ontario N1G 2W1, Canada
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15
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Wimmer B, Neidhardt H, Schwientek M, Haderlein SB, Huhn C. Phosphate addition enhances alkaline extraction of glyphosate from highly sorptive soils and aquatic sediments. PEST MANAGEMENT SCIENCE 2022; 78:2550-2559. [PMID: 35322519 DOI: 10.1002/ps.6883] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 03/04/2022] [Accepted: 03/24/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Analytical constraints complicate environmental monitoring campaigns of the herbicide glyphosate and its major degradation product aminomethylphosphonic acid (AMPA): their strong sorption to soil minerals requires harsh extraction conditions. Coextracted matrix compounds impair downstream analysis and must be removed before analysis. RESULTS A new extraction method combined with subsequent capillary electrophoresis-mass spectrometry for derivatization-free analysis of glyphosate and AMPA in soil and sediment was developed and applied to a suite of environmental samples. It was compared to three extraction methods from literature. We show that no extraction medium reaches 100% recovery. The new phosphate-supported alkaline extraction method revealed (1) high recoveries of 70-90% for soils and aquatic sediments, (2) limits of detections below 20 μg kg-1 , and (3) a high robustness, because impairing matrix components (trivalent cations and humic acids) were precipitated prior to the analysis. Soil and sediment samples collected around Tübingen, Germany, revealed maximum glyphosate and AMPA residues of 80 and 2100 μg kg-1 , respectively, with residues observed along a core of lake sediments. Glyphosate and/or AMPA were found in 40% of arable soils and 57% of aquatic sediment samples. CONCLUSION In this work, we discuss soil parameters that influence (de)sorption and thus extraction. From our results we conclude that residues of glyphosate in environmental samples are easily underestimated. With its possible high throughput, the method presented here can resolve current limitations in monitoring campaigns of glyphosate by addressing soil and aquatic sediment samples with critical sorption characteristics.
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Affiliation(s)
- Benedikt Wimmer
- Institute of Physical and Theoretical Chemistry, Eberhard Karls Universität Tübingen, Tübingen, Germany
| | - Harald Neidhardt
- Geoscience, Eberhard Karls Universität Tübingen, Tübingen, Germany
| | - Marc Schwientek
- Center for Applied Geosciences, Eberhard Karls Universität Tübingen, Tübingen, Germany
| | - Stefan B Haderlein
- Center for Applied Geosciences, Eberhard Karls Universität Tübingen, Tübingen, Germany
| | - Carolin Huhn
- Institute of Physical and Theoretical Chemistry, Eberhard Karls Universität Tübingen, Tübingen, Germany
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16
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Potential Risks of Microplastic Fomites to Aquatic Organisms with Special Emphasis on Polyethylene-Microplastic-Glyphosate Exposure Case in Aquacultured Shrimp. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12105135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Plastic litter is increasingly becoming pervasive in aquatic environments, characterized by circulatory patterns between different compartments and continual loading with new debris. Microplastic pollution can cause a variety of effects on aquatic organisms. This review presents the current knowledge of microplastics distribution and sorption capacity, reflecting on possible bioaccumulation and health effects in aquatic organisms. A model case study reveals the fate and toxic effects of glyphosate, focusing on the simultaneous exposure of aquacultured shrimp to polyethylene and glyphosate and their contact route and on the potential effects on their health and the risk for transmission of the contaminants. The toxicity and bioaccumulation of glyphosate-sorbed polyethylene microplastics in shrimp are not well understood, although individual effects have been studied extensively in various organisms. We aim to delineate this knowledge gap by compiling current information regarding the co-exposure to polyethylene microplastic adsorbed with glyphosate to assist in the assessment of the possible health risks to aquacultured shrimp and their consumers.
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17
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Alonso B, Griffero L, Pereira HB, Pareja L, Parada AP. Determination of glyphosate and AMPA in freshwater and soil from agroecosystems by 9-fluorenylmethoxycarbonyl chloride derivatization and liquid chromatography - fluorescence detection and tandem mass spectrometry. MethodsX 2022; 9:101730. [PMID: 35664042 PMCID: PMC9157550 DOI: 10.1016/j.mex.2022.101730] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 05/09/2022] [Indexed: 11/24/2022] Open
Abstract
simplified and high throughput sample preparation for freshwater and soil robust and optimized instrumental conditions for LC-FLD and LC-MS/MS analysis application to > 100 real samples
The herbicide glyphosate (GLY) and its metabolite aminophosphonic acid (AMPA) are troublesome compounds for analysis in the environment. Here we report a reliable technique for GLY and AMPA determination in freshwater and soils by means of derivatization with 9-fluorenylmethoxycarbonyl chloride (FMOC-Cl) and further liquid chromatography with fluorescence detection (FLD) and tandem mass spectrometry (MS/MS) analysis. Selected experiments were carried out to evaluate selectivity, sensitivity, repeatability, linearity and quantification performance in both matrices.
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18
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Feltracco M, Barbaro E, Morabito E, Zangrando R, Piazza R, Barbante C, Gambaro A. Assessing glyphosate in water, marine particulate matter, and sediments in the Lagoon of Venice. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:16383-16391. [PMID: 34651274 PMCID: PMC8827352 DOI: 10.1007/s11356-021-16957-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 10/05/2021] [Indexed: 05/11/2023]
Abstract
Lagoon water, suspended particulate matter, and sediment samples from seven sites at Lagoon of Venice were collected from 2019 to 2021 in order to study the presence of the herbicide glyphosate (N-(phosphonomethyl)glycine), among the most widely used agricultural chemicals worldwide, but its occurrence in lagoon water environment has not been deeply investigated. The sites were selected considering a supposed diversity of inputs and of pollution levels. An analytical method based on ion chromatography coupled with tandem mass spectrometry was optimized and validated for lagoon water, marine particulate matter, and sediment samples. Maximum concentrations of glyphosate were 260 and 7 ng L-1 for lagoon water and suspended particulate matter, respectively, and 15 ng g-1 for sediment, with some spatial and temporal fluctuations. Our results demonstrate that glyphosate content in the Venice Lagoon mainly depends on external forcing from river inlets and agricultural lagoon activities.
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Affiliation(s)
- Matteo Feltracco
- Institute of Polar Sciences, National Research Council (CNR-ISP), Via Torino, 155 - 30172, Venice Mestre, VE, Italy.
- Department of Environmental Sciences, Informatics and Statistics, Ca' Foscari University of Venice, Via Torino, 155 - 30172, Venice Mestre, VE, Italy.
| | - Elena Barbaro
- Institute of Polar Sciences, National Research Council (CNR-ISP), Via Torino, 155 - 30172, Venice Mestre, VE, Italy
- Department of Environmental Sciences, Informatics and Statistics, Ca' Foscari University of Venice, Via Torino, 155 - 30172, Venice Mestre, VE, Italy
| | - Elisa Morabito
- Department of Environmental Sciences, Informatics and Statistics, Ca' Foscari University of Venice, Via Torino, 155 - 30172, Venice Mestre, VE, Italy
| | - Roberta Zangrando
- Institute of Polar Sciences, National Research Council (CNR-ISP), Via Torino, 155 - 30172, Venice Mestre, VE, Italy
- Department of Environmental Sciences, Informatics and Statistics, Ca' Foscari University of Venice, Via Torino, 155 - 30172, Venice Mestre, VE, Italy
| | - Rossano Piazza
- Department of Environmental Sciences, Informatics and Statistics, Ca' Foscari University of Venice, Via Torino, 155 - 30172, Venice Mestre, VE, Italy
| | - Carlo Barbante
- Institute of Polar Sciences, National Research Council (CNR-ISP), Via Torino, 155 - 30172, Venice Mestre, VE, Italy
- Department of Environmental Sciences, Informatics and Statistics, Ca' Foscari University of Venice, Via Torino, 155 - 30172, Venice Mestre, VE, Italy
| | - Andrea Gambaro
- Institute of Polar Sciences, National Research Council (CNR-ISP), Via Torino, 155 - 30172, Venice Mestre, VE, Italy
- Department of Environmental Sciences, Informatics and Statistics, Ca' Foscari University of Venice, Via Torino, 155 - 30172, Venice Mestre, VE, Italy
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19
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Braschi I, Blasioli S, Lavrnić S, Buscaroli E, Di Prodi K, Solimando D, Toscano A. Removal and fate of pesticides in a farm constructed wetland for agricultural drainage water treatment under Mediterranean conditions (Italy). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:7283-7299. [PMID: 34476700 PMCID: PMC8763787 DOI: 10.1007/s11356-021-16033-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 08/14/2021] [Indexed: 06/13/2023]
Abstract
A non-waterproofed surface flow constructed wetland (SFCW), treating agricultural drainage water in Northern Italy, was investigated to gain information on the potential ability for effective pesticide abatement. A mixture of insecticide imidacloprid, fungicide dimethomorph, and herbicide glyphosate was applied, by simulating a single rain event, into 470-m-long water course of the SFCW meanders. The pesticides were monitored in the wetland water and soil for about 2 months after treatment. Even though the distribution of pesticides in the wetland was not uniform, for each of them, a mean dissipation of 50% of the applied amount was already observed at ≤7 days. The dissipation trend in the water phase of the wetland fitted (r2 ≥ 0.8166) the first-order model with calculated DT50 of 20.6, 12.0, 5.8, and 36.7 days for imidacloprid, dimethomorph, glyphosate, and the glyphosate metabolite AMPA, respectively. The pesticide behavior was interpreted based on the chemical and physical characteristics of both the substances and the water-soil system. Despite the fast abatement of glyphosate, traces were detected in the water until the end of the trial. The formation of soluble 1:1 complex between glyphosate and calcium, the most representative cation in the wetland water, was highlighted by infrared analyses. Such a soluble complex was supposed to keep traces of the herbicide in solution.
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Affiliation(s)
- Ilaria Braschi
- Department of Agricultural and Food Sciences, Alma Mater Studiorum University of Bologna, viale G. Fanin 44, 40127, Bologna, Italy
- GRIFA Gruppo di Ricerca Fitofarmaci e Ambiente, via Ospedale 72, 09124, Cagliari, Italy
| | - Sonia Blasioli
- Department of Agricultural and Food Sciences, Alma Mater Studiorum University of Bologna, viale G. Fanin 44, 40127, Bologna, Italy.
| | - Stevo Lavrnić
- Department of Agricultural and Food Sciences, Alma Mater Studiorum University of Bologna, viale G. Fanin 44, 40127, Bologna, Italy
| | - Enrico Buscaroli
- Department of Agricultural and Food Sciences, Alma Mater Studiorum University of Bologna, viale G. Fanin 44, 40127, Bologna, Italy
| | - Katia Di Prodi
- GRIFA Gruppo di Ricerca Fitofarmaci e Ambiente, via Ospedale 72, 09124, Cagliari, Italy
- Central Laboratory of Conserve Italia Group, Conserve Italia Soc. Coop. Agricola, via P. Poggi 11, 40068, San Lazzaro di Savena, BO, Italy
| | - Domenico Solimando
- Consorzio di Bonifica Canale Emiliano Romagnolo, via E. Masi 8, 40137, Bologna, Italy
| | - Attilio Toscano
- Department of Agricultural and Food Sciences, Alma Mater Studiorum University of Bologna, viale G. Fanin 44, 40127, Bologna, Italy
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20
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Zhang W, Wang J, Song J, Feng Y, Zhang S, Wang N, Liu S, Song Z, Lian K, Kang W. Effects of low-concentration glyphosate and aminomethyl phosphonic acid on zebrafish embryo development. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 226:112854. [PMID: 34619474 DOI: 10.1016/j.ecoenv.2021.112854] [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: 07/04/2021] [Revised: 09/23/2021] [Accepted: 09/29/2021] [Indexed: 06/13/2023]
Abstract
Glyphosate (GLY) is the most widely used broad-spectrum, non-selective herbicide in the world, whose main degradation product is aminomethyl phosphonic acid (AMPA). Because of long-term and large-scale use, residual GLY and AMPA in the environment pose great environmental and human health threats. The purpose of this study is to evaluate the effects and mechanism of residual low-concentrations of GLY and AMPA in the environment on the development of zebrafish embryos. Zebrafish embryos were exposed to 0, 1, 10, 100, and 700 ng·mL-1 GLY and AMPA for 72 h (from 2 to 74 h post-fertilization). With increasing exposure dose, heart rates of both embryos and larvae showed a rising trend and obvious arrhythmia appeared. Defects in cardiac development and function of zebrafish juveniles may be related to altered transcription levels of cardiac development genes (TBX5, NKX2.5, BMP4) and apoptosis genes (Bcl-2, Bax). In addition, pericardial edema and bone deformation of zebrafish embryos may be caused by inhibition of Na+/K+-ATPase and Ca2+-ATPase after exposure to GLY and AMPA. The present results demonstrated that at typical environmental residual concentrations of GLY and AMPA had similar developmental toxicity in zebrafish embryos.
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Affiliation(s)
- Weidong Zhang
- Department of Pharmacy, The First Hospital of Qinhuangdao, Qinhuangdao, Hebei 066000, China; School of Public Health, Hebei Medical University, Shijiazhuang, Hebei 050017, China
| | - Jiachao Wang
- Department of Immunology, Key Laboratory of Immune Mechanism and Intervention on Serious Disease in Hebei Province, Hebei Medical University, Shijiazhuang, Hebei 050017, China
| | - Jianshi Song
- The School of Basic Medicine, Hebei Medical University, Shijiazhuang, Hebei 050017, China
| | - Yanru Feng
- School of Public Health, Hebei Medical University, Shijiazhuang, Hebei 050017, China
| | - Shujuan Zhang
- School of Public Health, Hebei Medical University, Shijiazhuang, Hebei 050017, China
| | - Na Wang
- Department of Pharmacy, The First Hospital of Qinhuangdao, Qinhuangdao, Hebei 066000, China
| | - Shufeng Liu
- Department of Genetics, Hebei Key Lab of Laboratory animal, Hebei Medical University, Shijiazhuang, Hebei 050017, China
| | - Zhixue Song
- Department of Genetics, Hebei Key Lab of Laboratory animal, Hebei Medical University, Shijiazhuang, Hebei 050017, China
| | - Kaoqi Lian
- School of Public Health, Hebei Medical University, Shijiazhuang, Hebei 050017, China; Hebei Province Key Laboratory of Environment and Human Health, Hebei Medical University, Shijiazhuang, 050017, China.
| | - Weijun Kang
- School of Public Health, Hebei Medical University, Shijiazhuang, Hebei 050017, China.
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21
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Martins AWS, Silveira TLR, Remião MH, Domingues WB, Dellagostin EN, Junior ASV, Corcini CD, Costa PG, Bianchini A, Somoza GM, Robaldo RB, Campos VF. Acute exposition to Roundup Transorb® induces systemic oxidative stress and alterations in the expression of newly sequenced genes in silverside fish (Odontesthes humensis). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:65127-65139. [PMID: 34228309 DOI: 10.1007/s11356-021-15239-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 06/25/2021] [Indexed: 06/13/2023]
Abstract
Roundup Transorb® (RDT) is a glyphosate-based herbicide commonly used in agricultural practices worldwide. This herbicide exerts negative effects on the aquatic ecosystem and affects bioenergetic and detoxification pathways, oxidative stress, and cell damage in marine organisms. These effects might also occur at the transcriptional level; however, the expression of genes associated with oxidative stress has not been studied well. Odontesthes humensis is a native Brazilian aquatic species naturally distributed in the habitats affected by pesticides, including Roundup Transorb® (RDT). This study evaluated the toxic effects of short-term exposure to RDT on O. humensis. Moreover, the genes related to oxidative stress were sequenced and characterized, and their expressions in the gills, hepatopancreas, kidneys, and brain of the fish were quantified by quantitative reverse transcription-polymerase chain reaction. The animals were exposed to two environmentally relevant concentrations of RDT (2.07 and 3.68 mg L-1) for 24 h. Lipid peroxidation, reactive oxygen species (ROS), DNA damage, and apoptosis in erythrocytes were quantified by flow cytometry. The expression of the target genes was modulated in most tissues in the presence of the highest tested concentration of RDT. In erythrocytes, the levels of lipid peroxidation, ROS, and DNA damage were increased in the presence of both the concentrations of RDT, whereas cell apoptosis was increased in the group exposed to 3.68 mg L-1 RDT. In conclusion, acute exposure to RDT caused oxidative stress in the fish, induced negative effects on cells, and modulated the expression of genes related to the enzymatic antioxidant system in O. humensis.
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Affiliation(s)
- Amanda Weege S Martins
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, RS, Brasil
| | - Tony L R Silveira
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, RS, Brasil
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, RS, Brasil
| | - Mariana H Remião
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, RS, Brasil
| | - William Borges Domingues
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, RS, Brasil
| | - Eduardo N Dellagostin
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, RS, Brasil
| | - Antônio Sergio Varela Junior
- Laboratório de Reprodução Animal, Programa de Pós-Graduação em Biologia de Ambientes Aquáticos Continentais, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, RS, Brasil
- ReproPel, Programa de Pós-Graduação em Veterinária, Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, RS, Brasil
| | - Carine D Corcini
- ReproPel, Programa de Pós-Graduação em Veterinária, Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, RS, Brasil
| | - Patrícia G Costa
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, RS, Brasil
| | - Adalto Bianchini
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, RS, Brasil
| | - Gustavo M Somoza
- Instituto Tecnológico de Chascomús (Consejo Nacional de Investigaciones Científicas y Técnicas-Universidad Nacional de San Martin), 7130, Chascomús, Argentina
| | - Ricardo B Robaldo
- Laboratório de Fisiologia de Animais Aquáticos, Instituto de Biologia, Universidade Federal de Pelotas, Pelotas, RS, Brasil
| | - Vinicius Farias Campos
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, RS, Brasil.
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22
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Wirth MA, Longwitz L, Kanwischer M, Gros P, Leinweber P, Werner T. AMPA- 15N - Synthesis and application as standard compound in traceable degradation studies of glyphosate. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 225:112768. [PMID: 34530265 DOI: 10.1016/j.ecoenv.2021.112768] [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: 06/29/2021] [Revised: 09/03/2021] [Accepted: 09/06/2021] [Indexed: 06/13/2023]
Abstract
Stable isotope labeling of pollutants is a valuable tool to investigate their environmental transport and degradation. For the globally most frequently used herbicide glyphosate, such studies have, so far, been hampered by the absence of an analytical standard for its labeled metabolite AMPA-15N, which is formed during the degradation of all commercially available glyphosate isotopologues. Without such a standard, detection and quantitation of AMPA-15N, e.g. with LC-MS/MS, is not possible. Therefore, a synthetic pathway to AMPA-15N from benzamide-15N via the hemiaminal was developed. AMPA-15N was obtained in sufficient yield and purity to be used as a standard compound for LC-MS/MS analysis. Suitable MS-detection settings as well as a calibration using the internal standard (IS) approach were established for Fmoc-derivatized AMPA-15N. The use of different AMPA isotopologues as IS was complicated by the parallel formation of [M+H]+ and [M]+• AMPA-Fmoc precursor ions in ESI-positive mode, causing signal interferences between analyte and IS. We recommend the use of either AMPA-13C-15N, AMPA-13C-15N-D2 or a glyphosate isotopologue as IS, as they do not affect the linearity of the calibration curve. As a proof of concept, the developed analysis procedure for AMPA-15N was used to refine the results from a field lysimeter experiment investigating leaching and degradation of glyphosate-2-13C-15N. The newly enabled quantitation of AMPA-15N in soil extracts showed that similar amounts (0.05 - 0.22 mg·kg-1) of the parent herbicide glyphosate and its primary metabolite AMPA persisted in the topsoil over the study period of one year, while vertical transport through the soil column did not occur for either of the compounds. The herein developed analysis concepts will facilitate future design and execution of experiments on the environmental fate of the herbicide glyphosate.
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Affiliation(s)
- Marisa A Wirth
- Leibniz-Institute for Baltic Sea Research Warnemünde, Department of Marine Chemistry, Seestraße 15, 18119 Rostock, Germany
| | - Lars Longwitz
- Leibniz-Institute for Catalysis, Catalysis with renewable resources, Albert-Einstein-Str. 29a, 18059 Rostock, Germany; University of Antwerp, Organic Synthesis (ORSY), Groenenborgerlaan 171, 2020 Antwerpen, Belgium
| | - Marion Kanwischer
- Leibniz-Institute for Baltic Sea Research Warnemünde, Department of Marine Chemistry, Seestraße 15, 18119 Rostock, Germany.
| | - Peter Gros
- University of Rostock, Faculty of Agriculture and Environmental Sciences, Soil Science, Justus-von-Liebig-Weg 6, 18059 Rostock, Germany; State Office for Agriculture and Rural Area Thüringen, Department for Soil and Fertilizer Investigations, Naumburger Straße 98, 07743 Jena, Germany
| | - Peter Leinweber
- University of Rostock, Faculty of Agriculture and Environmental Sciences, Soil Science, Justus-von-Liebig-Weg 6, 18059 Rostock, Germany
| | - Thomas Werner
- Leibniz-Institute for Catalysis, Catalysis with renewable resources, Albert-Einstein-Str. 29a, 18059 Rostock, Germany; Paderborn University, Department of Chemistry and Center for Sustainable Systems Design (CSSD), Warburger Straße 100, 33098 Paderborn, Germany
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23
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Morphospecies Abundance of Above-Ground Invertebrates in Agricultural Systems under Glyphosate and Microplastics in South-Eastern Mexico. ENVIRONMENTS 2021. [DOI: 10.3390/environments8110130] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Soil invertebrates are important for diverse soil ecosystem services, which are jeopardized by pesticides and microplastics. In the present study, we aimed to assess above-ground invertebrates’ morphospecies abundance in the presence of glyphosate (GLY), its main metabolite aminomethylphosphonic acid (AMPA), and microplastics (MPs). Three land-use systems were analyzed: agricultural systems with and without plastic mulch and pesticides (AwPM, AwoPM) and natural unmanaged farming systems (UF). Soil GLY, AMPA, MP concentrations and above-ground invertebrates were quantified. GLY concentrations were also assessed inside invertebrate tissues. GLY, AMPA and the highest concentration of GLY in invertebrates’ tissue were found only in AwoPM at 0.14–0.45 mg kg−1, 0.12–0.94 mg kg−1 and 0.03–0.26 mg kg−1, respectively. MPs were present as follows: AwPM system (100%, 400–2000 particles kg−1) > AwoPM (70.8%, 200–1000 particles kg−1) > UF (37.5%, 200–400 particles kg−1). No significant correlations were found between soil MPs, GLY and AMPA. There was a significant correlation between MPs and morphospecies from the order Entomobrymorpha (Collembola, R = 0.61, p < 0.05). Limnophila, Mesogastropoda (Gastropoda) and Siphonaptera morphospecies were only present in the UF system. GLY in invertebrate tissue was inversely correlated with soil GLY (R = −0.73, p < 0.05) and AMPA (R = −0.59, p < 0.05). Further investigations are required to understand these phenomena.
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24
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Castrejón-Godínez ML, Tovar-Sánchez E, Valencia-Cuevas L, Rosas-Ramírez ME, Rodríguez A, Mussali-Galante P. Glyphosate Pollution Treatment and Microbial Degradation Alternatives, a Review. Microorganisms 2021; 9:2322. [PMID: 34835448 PMCID: PMC8625783 DOI: 10.3390/microorganisms9112322] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 10/26/2021] [Accepted: 11/08/2021] [Indexed: 12/22/2022] Open
Abstract
Glyphosate is a broad-spectrum herbicide extensively used worldwide to eliminate weeds in agricultural areas. Since its market introduction in the 70's, the levels of glyphosate agricultural use have increased, mainly due to the introduction of glyphosate-resistant transgenic crops in the 90's. Glyphosate presence in the environment causes pollution, and recent findings have proposed that glyphosate exposure causes adverse effects in different organisms, including humans. In 2015, glyphosate was classified as a probable carcinogen chemical, and several other human health effects have been documented since. Environmental pollution and human health threats derived from glyphosate intensive use require the development of alternatives for its elimination and proper treatment. Bioremediation has been proposed as a suitable alternative for the treatment of glyphosate-related pollution, and several microorganisms have great potential for the biodegradation of this herbicide. The present review highlights the environmental and human health impacts related to glyphosate pollution, the proposed alternatives for its elimination through physicochemical and biological approaches, and recent studies related to glyphosate biodegradation by bacteria and fungi are also reviewed. Microbial remediation strategies have great potential for glyphosate elimination, however, additional studies are needed to characterize the mechanisms employed by the microorganisms to counteract the adverse effects generated by the glyphosate exposure.
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Affiliation(s)
| | - Efraín Tovar-Sánchez
- Centro de Investigación en Biodiversidad y Conservación, Universidad Autónoma del Estado de Morelos, Cuernavaca 62210, Mexico; (E.T.-S.); (L.V.-C.)
| | - Leticia Valencia-Cuevas
- Centro de Investigación en Biodiversidad y Conservación, Universidad Autónoma del Estado de Morelos, Cuernavaca 62210, Mexico; (E.T.-S.); (L.V.-C.)
| | | | - Alexis Rodríguez
- Centro de Investigación en Biotecnología, Universidad Autónoma del Estado de Morelos, Cuernavaca 62210, Mexico;
| | - Patricia Mussali-Galante
- Centro de Investigación en Biotecnología, Universidad Autónoma del Estado de Morelos, Cuernavaca 62210, Mexico;
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25
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Geissen V, Silva V, Lwanga EH, Beriot N, Oostindie K, Bin Z, Pyne E, Busink S, Zomer P, Mol H, Ritsema CJ. Cocktails of pesticide residues in conventional and organic farming systems in Europe - Legacy of the past and turning point for the future. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 278:116827. [PMID: 33744785 DOI: 10.1016/j.envpol.2021.116827] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 01/21/2021] [Accepted: 02/21/2021] [Indexed: 05/21/2023]
Abstract
Considering that pesticides have been used in Europe for over 70 years, a system for monitoring pesticide residues in EU soils and their effects on soil health is long overdue. In an attempt to address this problem, we tested 340 EU agricultural topsoil samples for multiple pesticide residues. These samples originated from 4 representative EU case study sites (CSS), which covered 3 countries and four of the main EU crops: vegetable and orange production in Spain (S-V and S-O, respectively), grape production in Portugal (P-G), and potato production in the Netherlands (N-P). Soil samples were collected between 2015 and 2018 after harvest or before the start of the growing season, depending on the CSS. Conventional and organic farming results were compared in S-V, S-O and N-P. Soils from conventional farms presented mostly mixtures of pesticide residues, with a maximum of 16 residues/sample. Soils from organic farms had significantly fewer residues, with a maximum of 5 residues/sample. The residues with the highest frequency of detection and the highest content in soil were herbicides: glyphosate and its main metabolite AMPA (P-G, N-P, S-O), and pendimethalin (S-V). Total residue content in soil reached values of 0.8 mg kg-1 for S-V, 2 mg kg-1 for S-O and N-P, and 12 mg kg-1 for P-G. Organic soils presented 70-90% lower residue concentrations than the corresponding conventional soils. There is a severe knowledge gap concerning the effects of the accumulated and complex mixtures of pesticide residues found in soil on soil biota and soil health. Safety benchmarks should be defined and introduced into (soil) legislation as soon as possible. Furthermore, the process of transitioning to organic farming should take into consideration the residue mixtures at the conversion time and their residence time in soil.
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Affiliation(s)
- Violette Geissen
- Soil Physics and Land Management Group, Wageningen University & Research, Wageningen, the Netherlands
| | - Vera Silva
- Soil Physics and Land Management Group, Wageningen University & Research, Wageningen, the Netherlands.
| | - Esperanza Huerta Lwanga
- Soil Physics and Land Management Group, Wageningen University & Research, Wageningen, the Netherlands; Agroecología, El Colegio de La Frontera Sur - Unidad Campeche, Campeche, Mexico
| | - Nicolas Beriot
- Soil Physics and Land Management Group, Wageningen University & Research, Wageningen, the Netherlands; Sustainable Use, Management and Reclamation of Soil and Water Research Group, Universidad Politécnica de Cartagena, Cartagena, Spain
| | - Klaas Oostindie
- Soil Physics and Land Management Group, Wageningen University & Research, Wageningen, the Netherlands
| | - Zhaoqi Bin
- Soil Physics and Land Management Group, Wageningen University & Research, Wageningen, the Netherlands
| | - Erin Pyne
- Soil Physics and Land Management Group, Wageningen University & Research, Wageningen, the Netherlands
| | - Sjors Busink
- Soil Physics and Land Management Group, Wageningen University & Research, Wageningen, the Netherlands
| | - Paul Zomer
- Wageningen Food Safety Research, Part of Wageningen University & Research Wageningen, the Netherlands
| | - Hans Mol
- Wageningen Food Safety Research, Part of Wageningen University & Research Wageningen, the Netherlands
| | - Coen J Ritsema
- Soil Physics and Land Management Group, Wageningen University & Research, Wageningen, the Netherlands
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26
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Wang J, Zhao W, Wang G, Yang S, Pereira P. Effects of long-term afforestation and natural grassland recovery on soil properties and quality in Loess Plateau (China). THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 770:144833. [PMID: 33508670 DOI: 10.1016/j.scitotenv.2020.144833] [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: 11/05/2020] [Revised: 12/17/2020] [Accepted: 12/20/2020] [Indexed: 06/12/2023]
Abstract
Long-term afforestation has important implications on soil properties and quality in semi-arid areas. A large-scale afforestation project has been carried out in the Loess Plateau in the last 20 years. This work aims to study the afforestation (Robinia pseudoacacia, Caragana korshinskii and natural grassland recover 10, 20, 30, and 40 years after) impacts on soil properties and quality. The results showed that coverage and root biomass (RB) was the highest 30 years after the restoration in Robinia pseudoacacia and Caragana korshinskii treatments, while the highest 40 years post-restoration in natural grasslands. Sand content and BD showed the highest values 10 years post afforestation in all study areas. Clay, Silt, mean weight diameter (MWD), and geometric mean diameter (GMD) in Robinia pseudoacacia, Caragana korshinskii had the highest values 30 years after the afforestation, while in natural grasslands, this was observed 40 years after. In Robinia pseudoacacia, Caragana korshinskii treatments, soil moisture content (SMC) reached the highest levels 30 years post afforestation at 20-40 and 40-60 cm. Regarding natural grasslands, SMC had the highest values 40 years post-afforestation. Sand content and BD increased with soil depth, while the opposite was identified in RB, clay, silt, MWD, GMD and SMC. In Robinia pseudoacacia and Caragana korshinskii treatments, soil organic matter, total nitrogen, available nitrogen, total phosphorous, and available phosphorus had the highest levels 40 years post-restoration at 0-20 cm, while at 20-40 and 40-60 cm, the highest concentrations were identified 30 years after. In all the treatments, the soil quality index (SQI) was the highest 40 years post-restoration. The values of SQI were always higher in natural grasslands than in Robinia pseudoacacia and Caragana korshinskii treatments. Overall, natural recovery (natural grasslands) is more efficient than afforestation (Robinia pseudoacacia and Caragana korshinskii treatments) in soil quality.
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Affiliation(s)
- Jing Wang
- State Key Laboratory of Earth Surface Processes and Resource Ecology, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China; Institute of Land Surface System and Sustainable Development, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China
| | - Wenwu Zhao
- State Key Laboratory of Earth Surface Processes and Resource Ecology, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China; Institute of Land Surface System and Sustainable Development, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China.
| | - Guan Wang
- School of Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China
| | - Siqi Yang
- State Key Laboratory of Earth Surface Processes and Resource Ecology, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China; Institute of Land Surface System and Sustainable Development, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China
| | - Paulo Pereira
- Environment Management Laboratory, Mykolas Romeris University, LT-08303 Vilnius, Lithuania
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27
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Geng Y, Jiang L, Zhang D, Liu B, Zhang J, Cheng H, Wang L, Peng Y, Wang Y, Zhao Y, Xu Y, Liu X. Glyphosate, aminomethylphosphonic acid, and glufosinate ammonium in agricultural groundwater and surface water in China from 2017 to 2018: Occurrence, main drivers, and environmental risk assessment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 769:144396. [PMID: 33486182 DOI: 10.1016/j.scitotenv.2020.144396] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 11/16/2020] [Accepted: 12/04/2020] [Indexed: 06/12/2023]
Abstract
Glyphosate and glufosinate ammonium are the main herbicides used to control weeds in no-tillage agricultural fields in China. However, their leaching risk to groundwater and ecological risk to aquatic organisms remain unclear. From the agricultural basins among 10 provinces of China, glyphosate, its main metabolite aminomethylphosphonic acid (AMPA), and glufosinate ammonium were detected in 1.01%, 0.86%, 0% of 694 groundwater samples with the maximum concentrations of 2.09, 5.13, and <0.05 μg/L, and were detected in 14.3%, 15.8%, and 2.6% of 196 surface water samples with the maximum levels of 32.49, 10.31 and 13.15 μg/L. Furthermore, to evaluate the main drivers of exposure to the targets in water bodies, the fate models were used. The model simulation indicated that spray drift and overflow runoff were the key factors affecting the exposure to targets in surface water adjacent to rice field, whereas the spray drift deposition, runoff, and erosion induced the exposure to the targets in pond water close to dry land crop fields under different meteorological conditions and soil characteristics. The targets in groundwater posed a low risk to water consumption, while fish embryos might be at unacceptable risk due to glufosinate ammonium exposure in surface water with median risk quotient (RQ) equal to 55.6. The results highlight the spatial and seasonal distribution of glyphosate, AMPA, and glufosinate ammonium in groundwater and surface water in agricultural basins of China, providing the first evidence to the environmental risk of the targets to drinking water consumption and aquatic organism safety in China agriculture system.
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Affiliation(s)
- Yue Geng
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin, China; Key Laboratory for Environmental Factors Control of Agro-product Quality Safety, Ministry of Agriculture and Rural Affairs, China; National Reference Laboratory for Agricultural Testing, China
| | - Linjie Jiang
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin, China; Key Laboratory for Environmental Factors Control of Agro-product Quality Safety, Ministry of Agriculture and Rural Affairs, China; National Reference Laboratory for Agricultural Testing, China
| | - Danyang Zhang
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin, China; Key Laboratory for Environmental Factors Control of Agro-product Quality Safety, Ministry of Agriculture and Rural Affairs, China; National Reference Laboratory for Agricultural Testing, China
| | | | | | | | - Lu Wang
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin, China; Key Laboratory for Environmental Factors Control of Agro-product Quality Safety, Ministry of Agriculture and Rural Affairs, China; National Reference Laboratory for Agricultural Testing, China
| | - Yi Peng
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin, China; Key Laboratory for Environmental Factors Control of Agro-product Quality Safety, Ministry of Agriculture and Rural Affairs, China; National Reference Laboratory for Agricultural Testing, China
| | - Yuehua Wang
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin, China; Key Laboratory for Environmental Factors Control of Agro-product Quality Safety, Ministry of Agriculture and Rural Affairs, China; National Reference Laboratory for Agricultural Testing, China
| | - Yujie Zhao
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin, China; Key Laboratory for Environmental Factors Control of Agro-product Quality Safety, Ministry of Agriculture and Rural Affairs, China; National Reference Laboratory for Agricultural Testing, China
| | - Yaping Xu
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin, China; Key Laboratory for Environmental Factors Control of Agro-product Quality Safety, Ministry of Agriculture and Rural Affairs, China; National Reference Laboratory for Agricultural Testing, China.
| | - Xiaowei Liu
- Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin, China; Key Laboratory for Environmental Factors Control of Agro-product Quality Safety, Ministry of Agriculture and Rural Affairs, China; National Reference Laboratory for Agricultural Testing, China
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Kwonpongsagoon S, Katasila C, Kongtip P, Woskie S. Application Intensity and Spatial Distribution of Three Major Herbicides from Agricultural and Nonagricultural Practices in the Central Plain of Thailand. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:3046. [PMID: 33809586 PMCID: PMC8002346 DOI: 10.3390/ijerph18063046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 03/04/2021] [Accepted: 03/12/2021] [Indexed: 02/04/2023]
Abstract
The herbicides glyphosate, paraquat, and 2,4-D play a significant role in Thailand. This paper is among the first study to describe the intensity of herbicide application and illustrate how the herbicides are extensively distributed over a large area through both agricultural and nonagricultural practices. Using a quick, economical, and simplified method of Material Flow Analysis together with spatial analysis, better data for the analysis of possible environmental herbicide contamination, human exposure, and related health risks for the general public and applicators can be developed. The findings from this study showed that in the study province, about 2.2 million kg of the active ingredients from the three targeted herbicides is applied annually. Pathway flow modeling with spatial analysis identified several local hotspots of concern based on the type of herbicide and crop/activity where it was used. Cassava planting was found to have the highest herbicide application activity, whereas rice cultivation was the major contributor of total herbicide mass, due to the wide area of cultivation in the province. The herbicide most likely to be applied at rates higher than recommended was 2,4-D, particularly on cassava and sugarcane farms.
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Affiliation(s)
- Suphaphat Kwonpongsagoon
- Department of Sanitary Engineering, Faculty of Public Health, Mahidol University, 420/1 Rajvithi Road, Bangkok 10400, Thailand;
- Center of Excellence on Environmental Health and Toxicology (EHT), Bangkok 10400, Thailand;
| | - Chanokwan Katasila
- Department of Sanitary Engineering, Faculty of Public Health, Mahidol University, 420/1 Rajvithi Road, Bangkok 10400, Thailand;
| | - Pornpimol Kongtip
- Center of Excellence on Environmental Health and Toxicology (EHT), Bangkok 10400, Thailand;
- Department of Occupational Health and Safety, Faculty of Public Health, Mahidol University, 420/1 Rajvithi Road, Bangkok 10400, Thailand
| | - Susan Woskie
- Department of Public Health, Zuckerberg College of Health Sciences, University of Massachusetts Lowell, One University Ave, Lowell, MA 01854, USA;
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Piel S, Grandcoin A, Baurès E. Understanding the origins of herbicides metabolites in an agricultural watershed through their spatial and seasonal variations. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2021; 56:313-332. [PMID: 33560904 DOI: 10.1080/03601234.2021.1883390] [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: 06/12/2023]
Abstract
The aim of this study is to understand the spatial and seasonal variations of persistent herbicides metabolites and to determine their origins in the Vilaine River watershed, Britany-France. Improving knowledge on herbicides metabolites sources and seasonality is important for drinking water resource management. Data were collected at 13 sampling stations during five sampling campaigns in 2016 and 2017. Relations between water quality parameters, herbicides and metabolites were analyzed using statistical methods. The influence of land use and wastewater treatment plants (WWTP) on streams water quality has been identified. Cluster Analysis revealed that two groups of sampling stations can be described as "urban" with stations downstream the urban area and as "agricultural" with stations located downstream of the watershed. Chloroacetamids metabolites have been associated together with nitrates and agricultural areas as could be expected. Thus, the drinking water treatment plant located in the estuary of the Vilaine River is exposed to high metolachlor ESA and nitrate loads all year long. Aminomethylphosphonic acid (AMPA) is associated to anthropogenic urban contamination and nutrient loads. AMPA has its major sources in both glyphosate and phosphonate detergents issued from WWTP. This can help to adapt surface water treatment process and water management policies concerning herbicides metabolites.
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Affiliation(s)
| | - Alexis Grandcoin
- SAUR R&D, Maurepas, France
- Univ Rennes, EHESP, Inserm, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, Rennes, France
| | - Estelle Baurès
- Univ Rennes, EHESP, Inserm, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, Rennes, France
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Hearon SE, Wang M, McDonald TJ, Phillips TD. Decreased bioavailability of aminomethylphosphonic acid (AMPA) in genetically modified corn with activated carbon or calcium montmorillonite clay inclusion in soil. J Environ Sci (China) 2021; 100:131-143. [PMID: 33279026 PMCID: PMC7719843 DOI: 10.1016/j.jes.2020.06.029] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 06/24/2020] [Accepted: 06/24/2020] [Indexed: 05/20/2023]
Abstract
The widespread use of pesticides has resulted in detectable residues throughout the environment, sometimes at concentrations well above regulatory limits. Therefore, the development of safe, effective, field-practical, and economically feasible strategies to mitigate the effects of pesticides is warranted. Glyphosate is an organophosphorus herbicide that is degraded to aminomethylphosphonic acid (AMPA), a toxic and persistent metabolite that can accumulate in soil and sediment and translocate to plants. In this study, we investigated the binding efficacy of activated carbon (AC) and calcium montmorillonite (CM) clay to decrease AMPA bioavailability from soil and AMPA translocation to plants. Adsorption isotherms and thermodynamic studies on AC and CM were conducted and showed tight binding (enthalpy values >-20 kJ/mol) for AMPA with high capacities (0.25 mol/kg and 0.38 mol/kg, respectively), based on derivations from the Langmuir model. A hydra assay was utilized to indicate toxicity of AMPA and the inclusion of 1% AC and CM both resulted in 90% protection of the hydra (**p ≤ 0.01). Further studies in glyphosate-contaminated soil showed that AC and CM significantly reduced AMPA bioavailability by 53% and 44%, respectively. Results in genetically modified (GM) corn showed a conversion of glyphosate to AMPA in roots and sprouts over a 10-day exposure duration. Inclusion of AC and CM reduced AMPA residues in roots and sprouts by 47%-61%. These studies collectively indicate that AC and CM are effective sorbents for AMPA and could be used to reduce AMPA bioavailability from soil and AMPA residues in GM corn plants.
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Affiliation(s)
- Sara E Hearon
- Veterinary Integrative Biosciences Department College of Veterinary Medicine and Biomedical Sciences, Texas A&M University College Station, TX 77845, USA
| | - Meichen Wang
- Veterinary Integrative Biosciences Department College of Veterinary Medicine and Biomedical Sciences, Texas A&M University College Station, TX 77845, USA
| | - Thomas J McDonald
- Department of Environmental and Occupational Health School of Public Health, Texas A&M University, College Station, 400 Bizzell St College Station, TX 77843, USA
| | - Timothy D Phillips
- Veterinary Integrative Biosciences Department College of Veterinary Medicine and Biomedical Sciences, Texas A&M University College Station, TX 77845, USA.
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Watershed Drought and Ecosystem Services: Spatiotemporal Characteristics and Gray Relational Analysis. ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION 2021. [DOI: 10.3390/ijgi10020043] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
This study explored the spatiotemporal characteristics of drought and ecosystem services (using soil conservation services as an example) in the YanHe Watershed, which is a typical water basin in the Loess Plateau of China, experiencing soil erosion. Herein, soil conservation was simulated using the Soil and Water Assessment Tool (SWAT), and the relationship between drought, soil conservation services, and meteorological, vegetation, and other factors since the implementation of the ‘Grain for Green’ Project (GFGP) in 1999, were analyzed using the gray relational analysis (GRA) method. The results showed that: (1) The vegetation cover of the Watershed has increased significantly, and evapotranspiration (ET) increased by 14.35 mm·a−1, thereby increasing water consumption by 8.997 × 108 m3·a−1 (compared to 2000). (2) Drought affected 63.86% of the watershed area, gradually worsening from south to north; it decreased in certain middle areas but increased in the humid areas on the southern edge. (3) The watershed soil conservation services, measured by the soil conservation modulus (SCM), increased steadily from 116.87 t·ha−1·a−1 in 2000 to 412.58 t·ha−1·a−1 in 2015, at a multi-year average of 235.69 t·ha−1·a−1, and indicated great spatial variations, with a large variation in the downstream and small variations in the upstream and midstream areas. (4) Integrating normalized difference vegetation index (NDVI) data into SWAT model improved the model simulation accuracy; during the calibration period, the coefficient of determination (R2) increased from 0.63 to 0.76 and Nash–Sutcliffe efficiency (NSE) from 0.46 to 0.51; and during the validation period, the R2 increased from 0.82 to 0.93 and the NSE from 0.57 to 0.61. (5) The GRA can be applied to gray control systems, such as the ecosystem; herein, vegetation cover and drought primarily affected ET and soil conservation services. The analysis results showed that vegetation restoration enhanced the soil conservation services, but increased ET and aggravated drought to a certain extent. This study analyzed the spatiotemporal variations in vegetation coverage and the response of ET to vegetation restoration in the YanHe Watershed, to verify the significant role of vegetation restoration in restraining soil erosion and evaluate the extent of water resource consumption due to ET in the semi-arid and semi-humid Loess-area basin during the GFGP period. Thus, this approach may effectively provide a scientific basis for evaluating the ecological effects of the GFGP and formulating policies to identify the impact of human ecological restoration on ecosystem services.
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Yang J, Duan Y, Wang L, Kang D, Awasthi MK, Li H, Zhang L. Seasonal variation of net ecosystem CO 2 exchange and its influencing factors in an apple orchard in the Loess Plateau. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:43452-43465. [PMID: 32279271 DOI: 10.1007/s11356-020-08526-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 03/19/2020] [Indexed: 06/11/2023]
Abstract
The Loess Plateau is the largest apple cultivation region in the world. However, the role of rain-fed apple orchards as carbon sinks or sources, including the dynamic variation and influencing factors, are still unclear. In this study, the net ecosystem CO2 exchange (NEE) was monitored by an eddy covariance (EC) system in Loess Plateau apple orchards during 2016-2017. The results demonstrated that the annual NEE was higher in 2016 (- 698.0 g C m-2 year-1) than in 2017 (- 554.0 g C m-2 year-1). Particularly, the amount of orchard CO2 uptake was significantly greater in 2016 (- 772.0 g C m-2) than in 2017 (- 642.1 g C m-2) during the carbon sink period. This difference may be attributed to the higher NEE in 2016 compared to 2017 during the fast and slow growth periods. In addition, a higher daily NEE occurred to the higher air temperature (Ta), which promoted early sprouting in 2016 (- 3.91 g C m-2 day-1) compared to 2017 (- 2.86 g C m-2 day-1) during the fast growth period. The daily NEE in 2016 (- 2.59 g C m-2 day-1) was remarkably higher than that in 2017 (- 1.41 g C m-2 day-1) during the slow growth period, owing to the greater number of cloudy and rainy days and lower temperatures in 2017. Overall, the present study demonstrated the key role played by the amount of precipitation and temperature in regulating the NEE during the growth season and provided accurate quantitative information on the carbon budget in apple orchards. Graphical abstract.
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Affiliation(s)
- Jianfeng Yang
- College of Horticulture, Northwest Agriculture and Forestry University, No. 3 Taicheng Road, Yangling, Shaanxi, 712100, People's Republic of China
- College of Natural Resources and Environment, Northwest Agriculture and Forestry University, No. 3 Taicheng Road, Yangling, 712100, Shaanxi, China
| | - Yumin Duan
- College of Horticulture, Northwest Agriculture and Forestry University, No. 3 Taicheng Road, Yangling, Shaanxi, 712100, People's Republic of China
- College of Natural Resources and Environment, Northwest Agriculture and Forestry University, No. 3 Taicheng Road, Yangling, 712100, Shaanxi, China
| | - Linlin Wang
- College of Horticulture, Northwest Agriculture and Forestry University, No. 3 Taicheng Road, Yangling, Shaanxi, 712100, People's Republic of China
| | - Dan Kang
- College of Horticulture, Northwest Agriculture and Forestry University, No. 3 Taicheng Road, Yangling, Shaanxi, 712100, People's Republic of China
| | - Mukesh Kumar Awasthi
- College of Natural Resources and Environment, Northwest Agriculture and Forestry University, No. 3 Taicheng Road, Yangling, 712100, Shaanxi, China
| | - Huike Li
- College of Natural Resources and Environment, Northwest Agriculture and Forestry University, No. 3 Taicheng Road, Yangling, 712100, Shaanxi, China
| | - Linsen Zhang
- College of Horticulture, Northwest Agriculture and Forestry University, No. 3 Taicheng Road, Yangling, Shaanxi, 712100, People's Republic of China.
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Zakari S, Liu W, Wu J, Singh AK, Jiang X, Yang B, Chen C, Zhu X. Decay and erosion-related transport of sulfur compounds in soils of rubber based agroforestry. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2020; 274:111200. [PMID: 32818828 DOI: 10.1016/j.jenvman.2020.111200] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 08/03/2020] [Accepted: 08/03/2020] [Indexed: 06/11/2023]
Abstract
Elemental sulfur is intensively used to control weeds and rubber leaf diseases. However, the mechanisms contributing to elemental sulfur dissipation and decay (hereafter decay) in rubber agroforestry remains unclear. This study relates hydrological processes such as runoff and soil loss to the changes in soil total sulfur (Stot) and sulfate (S-SO4) in typical hillslope rubber agroforestry intercropped with cocoa in Xishuangbanna. The elemental sulfur decay kinetics were studied at two slopes (top and bottom) and three agrosystems (weed, no-weed and mixed). The results show that soil moisture and hydraulic conductivity was uniformly distributed in the experimental rubber agroforestry settings. Higher soil loss and runoff occurred in the bottom slope than the top slope, and in no-weed agrosystem than the herbaceous agrosystems (weed and mixed). The soil loss was mainly driven by runoff. Moreover, Stot and S-SO4 in runoff water were higher in weed agrosystem than no-weed agrosystems. Soil Stot best fit a two-compartments kinetics model, with lower kinetic rates in elemental sulfur applied treatments than in the no-added elemental sulfur treatments, particularly for the weed agrosystem. The soil Stot dissipation time 50% (DT50) was 10-14 times higher in top slope than bottom slope; but 4 and 20 times higher in mixed and no-weed agrosystems, respectively, compared to the weed agrosystem. The soil Stot and S-SO4 contents negatively correlated with soil microbial respiration (CO2 efflux), indicating an adverse influence of elemental sulfur on soil microbial activity. In short, elemental sulfur decay and its S-SO4 transformation depended on soil moisture, runoff, soil erosion and soil CO2, which are in turn affected by slope and agrosystem. This study not only clarifies the mechanisms of elemental sulfur dissipation and decay for its use as an environmental friendly agrochemical; but it also provides information to understand the contribution of runoff and soil loss on these mechanisms in rubber agroforestry.
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Affiliation(s)
- Sissou Zakari
- CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Yunnan, 666303, China; Center of Plant Ecology, Core Botanical Gardens, Chinese Academy of Sciences, Menglun, Yunnan, 666303, China; Laboratory of Hydraulics and Environmental Modeling (HydroModE-Lab), Faculté D'Agronomie, Université de Parakou, 03 BP 351, Parakou, Benin
| | - Wenjie Liu
- CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Yunnan, 666303, China; Center of Plant Ecology, Core Botanical Gardens, Chinese Academy of Sciences, Menglun, Yunnan, 666303, China.
| | - Junen Wu
- CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Yunnan, 666303, China; Center of Plant Ecology, Core Botanical Gardens, Chinese Academy of Sciences, Menglun, Yunnan, 666303, China
| | - Ashutosh Kumar Singh
- CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Yunnan, 666303, China; Center of Plant Ecology, Core Botanical Gardens, Chinese Academy of Sciences, Menglun, Yunnan, 666303, China
| | - Xiaojin Jiang
- CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Yunnan, 666303, China; Center of Plant Ecology, Core Botanical Gardens, Chinese Academy of Sciences, Menglun, Yunnan, 666303, China.
| | - Bin Yang
- CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Yunnan, 666303, China; Center of Plant Ecology, Core Botanical Gardens, Chinese Academy of Sciences, Menglun, Yunnan, 666303, China
| | - Chunfeng Chen
- CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Yunnan, 666303, China; Center of Plant Ecology, Core Botanical Gardens, Chinese Academy of Sciences, Menglun, Yunnan, 666303, China
| | - Xiai Zhu
- CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Yunnan, 666303, China; Center of Plant Ecology, Core Botanical Gardens, Chinese Academy of Sciences, Menglun, Yunnan, 666303, China
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Ghimire BK, Hwang MH, Sacks EJ, Yu CY, Kim SH, Chung IM. Screening of Allelochemicals in Miscanthus sacchariflorus Extracts and Assessment of Their Effects on Germination and Seedling Growth of Common Weeds. PLANTS (BASEL, SWITZERLAND) 2020; 9:E1313. [PMID: 33028036 PMCID: PMC7600465 DOI: 10.3390/plants9101313] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 09/08/2020] [Accepted: 09/29/2020] [Indexed: 12/25/2022]
Abstract
There is increasing interest in the application of bioherbicides because they are less destructive to the global ecosystem than synthetic herbicides. Research has focused on reducing the dependence upon synthetic herbicides by substituting them with environmentally and economically sustainable bioproducts. Allelopathic phytochemicals may be an efficient method for controlling weeds, benefitting both the environment and human health. This study addressed the allelopathic potential of Miscanthus sacchariflorus (MS) extracts on the germination, plant growth, biomass, and biochemical parameters (electrolyte leakage, photosynthetic pigments, and antioxidant enzyme activities) of weeds using laboratory and field experiments. Liquid chromatography-mass spectrometry/mass spectrometry (LC-MS/MS) showed the presence of 22 phenolic compounds, including Orientin, Luteolin, Veratric acid, Chlorogenic acid, Protocatechuic acid, p-Coumaric acid, and Ferulic acid. Leaf extracts of M. sacchariflorus either completely suppressed or partially reduced seed germination and affected the development of weed seedlings (root and shoot length), in a dose-dependent manner. Aqueous extracts of M. sacchariflorus reduced the fresh weight and dry weight, affected the photosynthetic pigment content (chlorophylls, carotenoids), influenced the electrolyte ion leakage, and stimulated the activity of antioxidant enzymes in a species-specific manner. Pearson's correlation analysis showed that the phenolic compound composition of M. sacchariflorus correlated with the variables tested, indicating that the phytochemicals present in the plant extracts of M. sacchariflorus are a potential source of bio-herbicides.
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Affiliation(s)
- Bimal Kumar Ghimire
- Department of Crop Science, College of Sanghuh Life Science, Konkuk University, Seoul 05029, Korea; (B.K.G.); (S.H.K.)
| | - Myeong Ha Hwang
- Bioherb Research Institute, Kangwon National University, Chuncheon 24341, Korea; (M.H.H.); (C.Y.Y.)
| | - Erik J. Sacks
- Department of Crop Science, University of Illinois, Urban-Champaign, 1201 W, Gregory Dr., Urbana, IL 61801, USA;
| | - Chang Yeon Yu
- Bioherb Research Institute, Kangwon National University, Chuncheon 24341, Korea; (M.H.H.); (C.Y.Y.)
| | - Seung Hyun Kim
- Department of Crop Science, College of Sanghuh Life Science, Konkuk University, Seoul 05029, Korea; (B.K.G.); (S.H.K.)
| | - Ill Min Chung
- Department of Crop Science, College of Sanghuh Life Science, Konkuk University, Seoul 05029, Korea; (B.K.G.); (S.H.K.)
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Meftaul IM, Venkateswarlu K, Dharmarajan R, Annamalai P, Asaduzzaman M, Parven A, Megharaj M. Controversies over human health and ecological impacts of glyphosate: Is it to be banned in modern agriculture? ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 263:114372. [PMID: 32203845 DOI: 10.1016/j.envpol.2020.114372] [Citation(s) in RCA: 89] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Revised: 02/09/2020] [Accepted: 03/12/2020] [Indexed: 05/27/2023]
Abstract
Glyphosate, introduced by Monsanto Company under the commercial name Roundup in 1974, became the extensively used herbicide worldwide in the last few decades. Glyphosate has excellent properties of fast sorption in soil, biodegradation and less toxicity to nontarget organisms. However, glyphosate has been reported to increase the risk of cancer, endocrine-disruption, celiac disease, autism, effect on erythrocytes, leaky-gut syndrome, etc. The reclassification of glyphosate in 2015 as 'probably carcinogenic' under Group 2A by the International Agency for Research on Cancer has been broadly circulated by anti-chemical and environmental advocacy groups claiming for restricted use or ban of glyphosate. In contrast, some comprehensive epidemiological studies involving farmers with long-time exposure to glyphosate in USA and elsewhere coupled with available toxicological data showed no correlation with any kind of carcinogenic or genotoxic threat to humans. Moreover, several investigations confirmed that the surfactant, polyethoxylated tallow amine (POEA), contained in the formulations of glyphosate like Roundup, is responsible for the established adverse impacts on human and ecological health. Subsequent to the evolution of genetically modified glyphosate-resistant crops and the extensive use of glyphosate over the last 45 years, about 38 weed species developed resistance to this herbicide. Consequently, its use in the recent years has been either restricted or banned in 20 countries. This critical review on glyphosate provides an overview of its behaviour, fate, detrimental impacts on ecological and human health, and the development of resistance in weeds and pathogens. Thus, the ultimate objective is to help the authorities and agencies concerned in resolving the existing controversies and in providing the necessary regulations for safer use of the herbicide. In our opinion, glyphosate can be judiciously used in agriculture with the inclusion of safer surfactants in commercial formulations sine POEA, which is toxic by itself is likely to increase the toxicity of glyphosate.
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Affiliation(s)
- Islam Md Meftaul
- Global Centre for Environmental Remediation (GCER), Faculty of Science, The University of Newcastle, Callaghan, NSW 2308, Australia; Department of Agricultural Chemistry, Sher-e-Bangla Agricultural University, Dhaka 1207, Bangladesh
| | - Kadiyala Venkateswarlu
- Formerly Department of Microbiology, Sri Krishnadevaraya University, Anantapuramu 515003, India
| | - Rajarathnam Dharmarajan
- Global Centre for Environmental Remediation (GCER), Faculty of Science, The University of Newcastle, Callaghan, NSW 2308, Australia
| | - Prasath Annamalai
- Global Centre for Environmental Remediation (GCER), Faculty of Science, The University of Newcastle, Callaghan, NSW 2308, Australia
| | - Md Asaduzzaman
- NSW Department of Primary Industries, Pine Gully Road, Wagga Wagga, NSW 2650, Australia
| | - Aney Parven
- Global Centre for Environmental Remediation (GCER), Faculty of Science, The University of Newcastle, Callaghan, NSW 2308, Australia; Department of Agricultural Chemistry, Sher-e-Bangla Agricultural University, Dhaka 1207, Bangladesh
| | - Mallavarapu Megharaj
- Global Centre for Environmental Remediation (GCER), Faculty of Science, The University of Newcastle, Callaghan, NSW 2308, Australia; Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE), The University of Newcastle, Callaghan, NSW 2308, Australia.
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Bhandari G, Atreya K, Scheepers PTJ, Geissen V. Concentration and distribution of pesticide residues in soil: Non-dietary human health risk assessment. CHEMOSPHERE 2020; 253:126594. [PMID: 32289601 DOI: 10.1016/j.chemosphere.2020.126594] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Revised: 03/16/2020] [Accepted: 03/21/2020] [Indexed: 06/11/2023]
Abstract
Soil contamination by pesticide residues is a primary concern because of the high soil persistence of pesticides and their toxicity to humans. We investigated pesticide concentration and distribution at 3 soil depths in 147 soil samples from agricultural land and assessed potential health risks due to non-dietary human exposure to pesticides in Nepal. About sixty percent of the soil samples had pesticides (25% of the soil samples had single residue, 35% of the soil samples had mixtures of 2 or more residues) in 39 different pesticide combinations. Pesticide residues were found more frequently in topsoil. Overall, the concentration of pesticides ranged from 1.0 μg kg-1 to 251 μg kg-1, with a mean of 16 μg kg-1. The concentration of the primary group, organophosphates (OPs), ranged from 1.23 μg kg-1 to 239 μg kg-1, with a mean of 23 μg kg-1. Chlorpyrifos and 3,5,6-trichloro-2-pyridinol (TCP) were the predominant contaminants in soils. The ionic ratio of DDT and its degradation products suggested a continuing use of DDT in the area. Human health risk assessment of the observed pesticides in soil suggested negligible cancer risks and negligible non-cancer risks based on ingestion as the primary route of exposure. The predicted environmental concentrations (PECs) of pesticides were higher than the values found in the guidance for soil contamination used internationally. Low concentrations of residues in the soils from agricultural farms practicing integrated pest management (IPM) suggest that this farming system could reduce soil pollution in Nepal.
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Affiliation(s)
- Govinda Bhandari
- Soil Physics and Land Management (SLM), Wageningen University and Research, the Netherlands; Progressive Sustainable Developers Nepal (PSD-Nepal), P.O. Box 23883, Kathmandu 31, Nepal.
| | - Kishor Atreya
- PHASE Nepal, P.O. Box 12888, Suryabinayak 4, Dadhikot, Bhaktapur, Nepal
| | - Paul T J Scheepers
- Radboudumc, Radboud Institute for Health Sciences, Nijmegen, the Netherlands
| | - Violette Geissen
- Soil Physics and Land Management (SLM), Wageningen University and Research, the Netherlands
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Woźniak E, Reszka E, Jabłońska E, Mokra K, Balcerczyk A, Huras B, Zakrzewski J, Bukowska B. The selected epigenetic effects of aminomethylphosphonic acid, a primary metabolite of glyphosate on human peripheral blood mononuclear cells (in vitro). Toxicol In Vitro 2020; 66:104878. [PMID: 32360641 DOI: 10.1016/j.tiv.2020.104878] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 04/18/2020] [Accepted: 04/26/2020] [Indexed: 12/20/2022]
Abstract
Aminomethylphosphonic acid (AMPA) is a primary metabolite of glyphosate and amino-polyphosphonate. We have determined the effect of AMPA on selected epigenetic parameters and major cell cycle drivers in human peripheral blood mononuclear cells (PBMCs). The cells were incubated with AMPA at 0.5, 10 and 250 μM for 24 h. The performed analysis included: global DNA methylation by colorimetric measurement of 5-methylcytosine in DNA, methylation in the promoter regions of selected tumor suppressor genes (P16, P21, TP53) and proto-oncogenes (BCL2, CCND1) as well as the expression profile of the indicated genes by Real-Time PCR assays. The obtained results have revealed significant reduction of global DNA methylation level in PBMCs exposed to AMPA. Investigated xenobiotic changed methylation pattern of the P21 and TP53 suppressor gene promoters, but in case of other analyzed genes: P16, BCL2 and CCND1 no statistically significant changes have been noted. Gene profiling have shown that AMPA only changed the expression of CCND1. Summing up, our results have revealed a small potential disturbance in methylation processes and the absence of changes in expression of tested tumor suppressor genes (P16, P21, TP53) and protooncogenes (BCL2) in human PBMCs exposed to AMPA.
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Affiliation(s)
- Ewelina Woźniak
- University of Lodz, Faculty of Biology and Environmental Protection, Department of Biophysics of Environmental Pollution, Pomorska Str. 141/143, 90-236 Lodz, Poland; Medical University of Lodz, Department of Internal Diseases and Clinical Pharmacology, Laboratory of Tissue Immunopharmacology, Kniaziewicza Str. 1/5, 91-347 Lodz, Poland
| | - Edyta Reszka
- Nofer Institute of Occupational Medicine, Department of Molecular Genetics and Epigenetics, Teresy Str. 8, 91-348 Lodz, Poland
| | - Ewa Jabłońska
- Nofer Institute of Occupational Medicine, Department of Molecular Genetics and Epigenetics, Teresy Str. 8, 91-348 Lodz, Poland
| | - Katarzyna Mokra
- University of Lodz, Faculty of Biology and Environmental Protection, Department of Biophysics of Environmental Pollution, Pomorska Str. 141/143, 90-236 Lodz, Poland
| | - Aneta Balcerczyk
- University of Lodz, Faculty of Biology and Environmental Protection, Department of Molecular Biophysics, Pomorska Str. 141/143, 90-236 Lodz, Poland
| | - Bogumiła Huras
- Łukasiewicz Research Network, Institute of Industrial Organic Chemistry, Annopol 6 Str, 03-236 Warsaw, Poland
| | - Jerzy Zakrzewski
- Łukasiewicz Research Network, Institute of Industrial Organic Chemistry, Annopol 6 Str, 03-236 Warsaw, Poland
| | - Bożena Bukowska
- University of Lodz, Faculty of Biology and Environmental Protection, Department of Biophysics of Environmental Pollution, Pomorska Str. 141/143, 90-236 Lodz, Poland.
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The Effects of Glyphosate and Its Commercial Formulations to Marine Invertebrates: A Review. JOURNAL OF MARINE SCIENCE AND ENGINEERING 2020. [DOI: 10.3390/jmse8060399] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Glyphosate is the active ingredient of numerous commercial formulations of herbicides applied in different sectors, from agriculture to aquaculture. Due to its widespread use around the world, relatively high concentrations of glyphosate have been detected in soil and aquatic environments. The presence of glyphosate in aquatic ecosystems has aroused the attention of researchers because of its potential negative effects on living organisms, both animals and plants. In this context, this review intends to summarize results of studies aimed at evaluating the effects of glyphosate (both as active ingredient and component of commercial formulations) on marine invertebrates. Generally, data obtained in acute toxicity tests indicate that glyphosate and its commercial formulations are lethal at high concentrations (not environmentally realistic), whereas results of long-lasting experiments indicate that glyphosate can markedly affect biological responses of marine invertebrates. Consequently, more efforts should be addressed at evaluating chronic or sub-chronic effects of such substances to marine invertebrate species.
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39
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Pesticides in water sources used for human consumption in the semiarid region of Argentina. SN APPLIED SCIENCES 2020. [DOI: 10.1007/s42452-020-2513-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
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Mercado SAS, Caleño JDQ. Cytotoxic evaluation of glyphosate, using Allium cepa L. as bioindicator. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 700:134452. [PMID: 31629268 DOI: 10.1016/j.scitotenv.2019.134452] [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: 08/01/2019] [Revised: 09/07/2019] [Accepted: 09/13/2019] [Indexed: 06/10/2023]
Abstract
Glyphosate is a chemical compound used mainly as a broad spectrum herbicide, it is recognized for its proven effectiveness and easy handling. It represents more than 60% of the world market of non-selective herbicides and is used in both agricultural fields and family gardens. The present study was designed to test the cytogenotoxic potential of glyphosate using the Allium cepa test as toxicity bioindicator. Consequently, bulbs of A. cepa were exposed to different concentrations of glyphosate (5, 10, 15, 25 and 30 mgL-1) and a control (deionized water), for 72 h; root development was also studied in this period of time. The cytogenotoxic potential of glyphosate was determined by calculating the mitotic index (MI), cellular anomalies (CA) and registering the roots longitudinal growth at 24, 48 and 72 h. Regarding root development, a greater growth was observed in the control treatment in the three measurement times. The mitotic phases analysis, determined that the higher the concentration, the lower the mitotic index, in addition the inhibition of the telophase Mitotic Index (TMI) was observed in any of the concentrations. The results indicate that the exposure to glyphosate of A. cepa meristematic cells induces diverse types of chromosomal anomalies, such as micronuclei (MN), chromosome breaking (CB), nuclear notch (Nn), among others. Therefore, in demonstrates that glyphosate has a highly cytogenotoxic effect for any of the concentrations used.
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Affiliation(s)
- Seir Antonio Salazar Mercado
- Department of Biology, Universidad Francisco de Paula Santander, Avenida Gran Colombia No. 12E-96B Colsag, San José de Cúcuta, Colombia.
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Okada E, Allinson M, Barral MP, Clarke B, Allinson G. Glyphosate and aminomethylphosphonic acid (AMPA) are commonly found in urban streams and wetlands of Melbourne, Australia. WATER RESEARCH 2020; 168:115139. [PMID: 31605832 DOI: 10.1016/j.watres.2019.115139] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 09/13/2019] [Accepted: 09/27/2019] [Indexed: 05/27/2023]
Abstract
Glyphosate is the most widely-used pesticide for weed control in agriculture and in urban and residential areas. This is the first study to quantify glyphosate and AMPA levels in surface water in Australia from different land uses. Glyphosate and AMPA was measured in surface water from 10 rural streams, 30 urban stormwater wetlands and 9 urban streams located in and around the city of Melbourne, Australia on five occasions between October 2017 and February 2018. Glyphosate and AMPA were present in most of the urban surface water samples. The frequency of detection of glyphosate was 77% in wetlands and 79% in urban streams, whereas it was only detected in 4% of the rural streams. Similarly, AMPA detection was 91% in wetlands and 97% in urban streams, whereas it was only present in 6% of the rural stream samples. In both urban streams and wetlands, the highest average glyphosate concentrations occurred in November (1.8 ± 2.2 μg L-1). Overall, wetlands and streams associated with urban land use are vulnerable to glyphosate contamination. These results highlight the importance of screening for contaminants in urban stormwater to identify the source of pollutants that may end up in aquatic ecosystems and the risks therefrom.
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Affiliation(s)
- Elena Okada
- Centre for Environmental Sustainability and Remediation, School of Science, RMIT University, GPO Box 2476, Melbourne, Victoria, 3001, Australia; INTA Centro Regional Buenos Aires Sur. Estación Experimental Agropecuaria Balcarce, Route 226 Km 73.5, 7620, Balcarce, Argentina.
| | - Mayumi Allinson
- Department of Chemical Engineering, The University of Melbourne, Victoria, 3010, Australia
| | - María P Barral
- INTA Centro Regional Buenos Aires Sur. Estación Experimental Agropecuaria Balcarce, Route 226 Km 73.5, 7620, Balcarce, Argentina
| | - Bradley Clarke
- School of Chemistry, The University of Melbourne, Victoria, 3010, Australia
| | - Graeme Allinson
- Centre for Environmental Sustainability and Remediation, School of Science, RMIT University, GPO Box 2476, Melbourne, Victoria, 3001, Australia
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de Brito Rodrigues L, Gonçalves Costa G, Lundgren Thá E, da Silva LR, de Oliveira R, Morais Leme D, Cestari MM, Koppe Grisolia C, Campos Valadares M, de Oliveira GAR. Impact of the glyphosate-based commercial herbicide, its components and its metabolite AMPA on non-target aquatic organisms. MUTATION RESEARCH. GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2019; 842:94-101. [PMID: 31255230 DOI: 10.1016/j.mrgentox.2019.05.002] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Revised: 04/29/2019] [Accepted: 05/03/2019] [Indexed: 11/16/2022]
Abstract
Glyphosate (GLY) is the active ingredient of several herbicide formulations widely used to control weeds in agricultural and non-agricultural areas. Due to the intensive use of GLY-based herbicides and their direct application on soils, some of their components, including the active ingredient, may reach the aquatic environment through direct run-off and leaching. The present study assessed the acute toxicity and genotoxicity of the GLY-based formulation Atanor 48 (ATN) and its major constituents GLY, surfactant polyethoxylated tallow amine (POEA), as well as the main metabolite of GLY aminomethylphosphonic acid (AMPA) on non-target aquatic organisms. The toxic effects of these chemicals were evaluated in the fish embryo acute toxicity test with zebrafish (Danio rerio), while genotoxic effects were investigated in the comet assays with cells from zebrafish larvae and rainbow trout gonad-2 (RTG-2). GLY and AMPA caused no acute toxic effect, while ATN and POEA induced significant lethal effects in zebrafish (LC50-96 h 76.50 mg/L and 5.49 mg/L, respectively). All compounds were genotoxic in comet experiments with zebrafish larvae (LOEC 1.7 mg/L for GLY, ATN, AMPA and 0.4 mg/L for POEA). Unlike in vivo, only POEA induced DNA damage in RTG-2 cells (LOEC 1.6 mg/L), suggesting that it is a direct acting genotoxic agent. In summary, these data indicate that the lethal effects on zebrafish early-life stages can be ranked in the following order from most to least toxic: surfactant POEA > formulation ATN > active ingredient GLY ≈ metabolite AMPA. Genotoxic effects were observed in both RTG-2 cells (only POEA) and zebrafish (all test compounds) with the lowest tested concentrations. Therefore, it is important to evaluate different toxicological endpoints as well as use different non-target organisms to predict the hazards of GLY-based formulations and their components and breakdown product to aquatic biota.
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Affiliation(s)
| | | | | | | | - Rhaul de Oliveira
- Faculty of Pharmaceutical Sciences, University of São Paulo (USP), São Paulo, SP, Brazil; School of Technology, State University of Campinas, UNICAMP, Limeira, SP, Brazil
| | - Daniela Morais Leme
- Department of Genetics - Federal University of Paraná (UFPR), Curitiba, PR, Brazil; National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), UNESP, Institute of Chemistry, P.O. Box 355, 14800-900 Araraquara, SP, Brazil
| | | | - Cesar Koppe Grisolia
- Biological Sciences Institute - University of Brasília (UnB), Brasília, Distrito Federal, Brazil
| | | | - Gisele Augusto Rodrigues de Oliveira
- Faculty of Pharmacy, Federal University of Goiás (UFG), Goiânia, Goiás, Brazil; National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), UNESP, Institute of Chemistry, P.O. Box 355, 14800-900 Araraquara, SP, Brazil.
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Zhang W, Feng Y, Ma L, An J, Zhang H, Cao M, Zhu H, Kang W, Lian K. A method for determining glyphosate and its metabolite aminomethyl phosphonic acid by gas chromatography-flame photometric detection. J Chromatogr A 2019; 1589:116-121. [PMID: 30587348 DOI: 10.1016/j.chroma.2018.12.039] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2018] [Accepted: 12/19/2018] [Indexed: 10/27/2022]
Abstract
As a globally popular herbicide, glyphosate (GLY) and its metabolite aminomethylphosphonic acid (AMPA) pose potential hazards to the ecological environment. In this study, a sensitive and reliable method for detecting GLY and AMPA was utilized to facilitate exposure risk assessment of the analytes in environmental systems such as water and soil. GLY and AMPA were extracted from the sample using a solid-phase extraction (SPE) procedure, derivatized by heptafluorobutyric anhydride and heptafluorobutanol, and detected by gas chromatography-flame photometric detection (GC-FPD). The linearities of GLY and AMPA in the range of 10-1000 ng/mL were good (r=0.9998, r=0.9991), and the limits of quantitation (LOQ) for GLY and AMPA were 0.37 and 0.81 ng/mL, respectively. The method has been successfully applied for detecting GLY and AMPA in water, soil and monitoring the degradation of GLY under different environmental conditions. Simulated migration characteristics of GLY and AMPA in soil were investigated for evaluating the potential hazards of GLY and AMPA to the ecological environment.
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Affiliation(s)
- Weidong Zhang
- Department of Sanitary Inspection, School of Public Health, Hebei Medical University, Shijiazhuang, 050017, China
| | - Yanru Feng
- Department of Sanitary Inspection, School of Public Health, Hebei Medical University, Shijiazhuang, 050017, China
| | - Li Ma
- Department of Sanitary Inspection, School of Public Health, Hebei Medical University, Shijiazhuang, 050017, China
| | - Jing An
- Department of Sanitary Inspection, School of Public Health, Hebei Medical University, Shijiazhuang, 050017, China
| | - Huayin Zhang
- Department of Sanitary Inspection, School of Public Health, Hebei Medical University, Shijiazhuang, 050017, China
| | - Mengsi Cao
- Department of Sanitary Inspection, School of Public Health, Hebei Medical University, Shijiazhuang, 050017, China
| | - Huaijiao Zhu
- Department of Sanitary Inspection, School of Public Health, Hebei Medical University, Shijiazhuang, 050017, China
| | - Weijun Kang
- Department of Sanitary Inspection, School of Public Health, Hebei Medical University, Shijiazhuang, 050017, China.
| | - Kaoqi Lian
- Department of Sanitary Inspection, School of Public Health, Hebei Medical University, Shijiazhuang, 050017, China; Hebei Key Laboratory of Environment and Human Health, Shijiazhuang 050017, China.
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Silva V, Mol HGJ, Zomer P, Tienstra M, Ritsema CJ, Geissen V. Pesticide residues in European agricultural soils - A hidden reality unfolded. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 653:1532-1545. [PMID: 30759587 DOI: 10.1016/j.scitotenv.2018.10.441] [Citation(s) in RCA: 405] [Impact Index Per Article: 81.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 10/30/2018] [Accepted: 10/31/2018] [Indexed: 05/18/2023]
Abstract
Pesticide use is a major foundation of the agricultural intensification observed over the last few decades. As a result, soil contamination by pesticide residues has become an issue of increasing concern due to some pesticides' high soil persistence and toxicity to non-target species. In this study, the distribution of 76 pesticide residues was evaluated in 317 agricultural topsoil samples from across the European Union. The soils were collected in 2015 and originated from 11 EU Member States and 6 main cropping systems. Over 80% of the tested soils contained pesticide residues (25% of samples had 1 residue, 58% of samples had mixtures of two or more residues), in a total of 166 different pesticide combinations. Glyphosate and its metabolite AMPA, DDTs (DDT and its metabolites) and the broad-spectrum fungicides boscalid, epoxiconazole and tebuconazole were the compounds most frequently found in soil samples and the compounds found at the highest concentrations. These compounds occasionally exceeded their predicted environmental concentrations in soil but were below the respective toxic endpoints for standard in-soil organisms. Maximum individual pesticide content assessed in a soil sample was 2.05 mg kg-1 while maximum total pesticide content was 2.87 mg kg-1. This study reveals that the presence of mixtures of pesticide residues in soils are the rule rather than the exception, indicating that environmental risk assessment procedures should be adapted accordingly to minimize related risks to soil life and beyond. This information can be used to implement monitoring programs for pesticide residues in soil and to trigger toxicity assessments of mixtures of pesticide residues on a wider range of soil species in order to perform more comprehensive and accurate risk assessments.
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Affiliation(s)
- Vera Silva
- Soil Physics and Land Management Group, Wageningen University & Research, Droevendaalsesteeg 4, 6708 PB Wageningen, the Netherlands.
| | - Hans G J Mol
- RIKILT-Wageningen University & Research, PO Box 230, 6700 AE Wageningen, the Netherlands
| | - Paul Zomer
- RIKILT-Wageningen University & Research, PO Box 230, 6700 AE Wageningen, the Netherlands
| | - Marc Tienstra
- RIKILT-Wageningen University & Research, PO Box 230, 6700 AE Wageningen, the Netherlands
| | - Coen J Ritsema
- Soil Physics and Land Management Group, Wageningen University & Research, Droevendaalsesteeg 4, 6708 PB Wageningen, the Netherlands
| | - Violette Geissen
- Soil Physics and Land Management Group, Wageningen University & Research, Droevendaalsesteeg 4, 6708 PB Wageningen, the Netherlands
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Fernandes G, Aparicio VC, Bastos MC, De Gerónimo E, Labanowski J, Prestes OD, Zanella R, Dos Santos DR. Indiscriminate use of glyphosate impregnates river epilithic biofilms in southern Brazil. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 651:1377-1387. [PMID: 30360269 DOI: 10.1016/j.scitotenv.2018.09.292] [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: 07/27/2018] [Revised: 09/21/2018] [Accepted: 09/22/2018] [Indexed: 06/08/2023]
Abstract
Epilithic biofilms are communities of microorganisms composed mainly of microbial cells, extracellular polymeric substances from the metabolism of microorganisms, and inorganic materials. Biofilms are a useful tool to assess the impact of anthropic action on aquatic environments including the presence of pesticide residues such as glyphosate. The present work seeks to monitor the occurrence of glyphosate and AMPA residues in epilithic biofilms occurring in a watershed. For this, epilithic biofilm samples were collected in the Guaporé River watershed in the fall and spring seasons of 2016 at eight points. Physicochemical properties of the water and biofilms were determined. The determination of glyphosate and AMPA was performed using an ultra-high performance liquid chromatograph coupled to a tandem mass spectrometer. The concentrations of glyphosate and AMPA detected in epilithic biofilms vary with the season (from 90 to 305 μg kg-1 for glyphosate and from 50 to 240 μg kg-1 for AMPA, in fall and spring, respectively) and are strongly influenced by the amount of herbicide applications. Protected locations and those with poor access not demonstrate the presence of these contaminants. In the other seven points of the Guaporé River watershed, glyphosate was detected in concentrations ranging from 10 to 305 μg kg-1, and concentrations of AMPA ranged from 50 to 670 μg kg-1. An overview of the contamination in the Guaporé watershed shows that the most affected areas are located in the Marau sub-watershed, which are strongly influenced by the presence of the city of Marau. This confirms the indiscriminate use of glyphosate in the urban area (weed control, domestic gardens and horticulture) and constitutes a problem for human and animal health. The results showed that biofilms can accumulate glyphosate resulting from the contamination of water courses and are sensitive to the sources of pollution and pesticides present in rivers.
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Affiliation(s)
- Gracieli Fernandes
- Universidade Federal de Santa Maria, Centro de Ciências Rurais, Departamento de Solos, Avenida Roraima, n° 1000, Bairro Camobi CEP 97105-900, Rio Grande do Sul, Brazil.
| | - Virginia Carolina Aparicio
- Instituto Nacional de Tecnología Agropecuaria INTA EEA Balcarce, Ruta Nacional 226, Km 73,5, Balcarce CP 7620, Buenos Aires, Argentina.
| | | | - Eduardo De Gerónimo
- Instituto Nacional de Tecnología Agropecuaria INTA EEA Balcarce, Ruta Nacional 226, Km 73,5, Balcarce CP 7620, Buenos Aires, Argentina.
| | - Jérôme Labanowski
- Université de Poitiers, Institut de Chimie des Milieux et Matériaux de Poitiers, IC2MP, Poitiers, France.
| | - Osmar Damian Prestes
- Universidade Federal de Santa Maria, Centro de Ciências Naturais e Exatas, Departamento de Química, Avenida Roraima, n° 1000, Bairro Camobi CEP 97105-900, Rio Grande do Sul, Brazil.
| | - Renato Zanella
- Universidade Federal de Santa Maria, Centro de Ciências Naturais e Exatas, Departamento de Química, Avenida Roraima, n° 1000, Bairro Camobi CEP 97105-900, Rio Grande do Sul, Brazil.
| | - Danilo Rheinheimer Dos Santos
- Universidade Federal de Santa Maria, Centro de Ciências Rurais, Departamento de Solos, Avenida Roraima, n° 1000, Bairro Camobi CEP 97105-900, Rio Grande do Sul, Brazil
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Yang X, Lwanga EH, Bemani A, Gertsen H, Salanki T, Guo X, Fu H, Xue S, Ritsema C, Geissen V. Biogenic transport of glyphosate in the presence of LDPE microplastics: A mesocosm experiment. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 245:829-835. [PMID: 30502712 DOI: 10.1016/j.envpol.2018.11.044] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 11/13/2018] [Accepted: 11/14/2018] [Indexed: 06/09/2023]
Abstract
The accumulation of plastic debris and herbicide residues has become a huge challenge and poses many potential risks to environmental health and soil quality. In the present study, we investigated the transport of glyphosate and its main metabolite, aminomethylphosphonic acid (AMPA) via earthworms in the presence of different concentrations of light density polyethylene microplastics in the litter layer during a 14-day mesocosm experiment. The results showed earthworm gallery weight was negatively affected by the combination of glyphosate and microplastics. Glyphosate and AMPA concentrated in the first centimetre of the top soil layer and the downward transport of glyphosate and AMPA was only detected in the earthworm burrows, ranging from 0.04 to 4.25 μg g-1 for glyphosate and from 0.01 (less than limit of detection) to 0.76 μg g-1 for AMPA. The transport rate of glyphosate (including AMPA) from the litter layer into earthworm burrows ranged from 6.6 ± 4.6% to 18.3 ± 2.4%, depending on synergetic effects of microplastics and glyphosate application. The findings imply that earthworm activities strongly influence pollutant movement into the soil, which potentially affects soil ecosystems. Further studies focused on the fate of pollutants in the microenvironment of earthworm burrows are needed.
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Affiliation(s)
- Xiaomei Yang
- State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, China; Soil Physics and Land Management, Wageningen University & Research, 6700AA, Wageningen, the Netherlands
| | - Esperanza Huerta Lwanga
- Soil Physics and Land Management, Wageningen University & Research, 6700AA, Wageningen, the Netherlands; Agroecología, El Colegio de la Frontera Sur, Unidad Campeche, Av Poligono s/n, Ciudad Industrial, Lerma, Campeche, Mexico
| | - Akram Bemani
- Soil Physics and Land Management, Wageningen University & Research, 6700AA, Wageningen, the Netherlands
| | - Hennie Gertsen
- Soil Physics and Land Management, Wageningen University & Research, 6700AA, Wageningen, the Netherlands
| | - Tamas Salanki
- Soil Quality Group, Wageningen University & Research, 6700AA, Wageningen, the Netherlands
| | - Xuetao Guo
- State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, China
| | - Haimei Fu
- Soil Physics and Land Management, Wageningen University & Research, 6700AA, Wageningen, the Netherlands; Institute of Agriculture Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Sha Xue
- State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, College of Natural Resources and Environment, Northwest A&F University, Yangling, 712100, China; Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, 712100, China.
| | - Coen Ritsema
- Soil Physics and Land Management, Wageningen University & Research, 6700AA, Wageningen, the Netherlands
| | - Violette Geissen
- Soil Physics and Land Management, Wageningen University & Research, 6700AA, Wageningen, the Netherlands
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Bento CPM, van der Hoeven S, Yang X, Riksen MMJPM, Mol HGJ, Ritsema CJ, Geissen V. Dynamics of glyphosate and AMPA in the soil surface layer of glyphosate-resistant crop cultivations in the loess Pampas of Argentina. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 244:323-331. [PMID: 30343233 DOI: 10.1016/j.envpol.2018.10.046] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 09/20/2018] [Accepted: 10/09/2018] [Indexed: 06/08/2023]
Abstract
This study investigates the dynamics of glyphosate and AMPA in the soil surface layer of two fields growing glyphosate-resistant crops in the loess Pampas of Córdoba Province, Argentina. Glyphosate decay and AMPA formation/decay were studied after a single application, using decay kinetic models. Furthermore, glyphosate and AMPA concentrations were investigated in runoff to evaluate their off-site risk. During a 2.5-month study, cultivations of glyphosate-resistant soybean and maize received an application of 1.0 and 0.81 kg a.e. ha-1, respectively, of Roundup UltraMax©. Topsoil samples (0-1, 1-2 cm) were collected weekly (including before application) and analysed for glyphosate, AMPA and soil moisture (SM) contents. Runoff was collected from runoff plots (3 m2) and weirs after 2 erosive rainfall events, and analysed for glyphosate and AMPA contents (water, eroded-sediment). Under both cultivations, background residues in soil before application were 0.27-0.42 mg kg-1 for glyphosate and 1.3-1.7 mg kg-1 for AMPA. In the soybean area, the single-first-order (SFO) model performed best for glyphosate decay. In the maize area, the bi-phasic Hockey-Stick (HS) model performed best for glyphosate decay, due to an abrupt change in SM regimes after high rainfall. Glyphosate half-life and DT90 were 6.0 and 19.8 days, respectively, in the soybean area, and 11.1 and 15.4 days, respectively, in the maize area. In the soybean area, 24% of the glyphosate was degraded to AMPA. In the maize area, it was only 5%. AMPA half-life and DT90 were 54.7 and 182 days, respectively, in the soybean area, and 71.0 and 236 days, respectively, in the maize area. Glyphosate and AMPA contents were 1.1-17.5 times higher in water-eroded sediment than in soil. We conclude that AMPA persists and may accumulate in soil, whereas both glyphosate and AMPA are prone to off-site transport with water erosion, representing a contamination risk for surface waters and adjacent fields.
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Affiliation(s)
- Célia P M Bento
- Soil Physics and Land Management, Wageningen University & Research, P.O. Box 47, 6700 AA, Wageningen, the Netherlands.
| | - Siebrand van der Hoeven
- Soil Physics and Land Management, Wageningen University & Research, P.O. Box 47, 6700 AA, Wageningen, the Netherlands
| | - Xiaomei Yang
- Soil Physics and Land Management, Wageningen University & Research, P.O. Box 47, 6700 AA, Wageningen, the Netherlands; College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Michel M J P M Riksen
- Soil Physics and Land Management, Wageningen University & Research, P.O. Box 47, 6700 AA, Wageningen, the Netherlands
| | - Hans G J Mol
- RIKILT - Wageningen University & Research, P.O. Box 230, 6700 AE, Wageningen, the Netherlands
| | - Coen J Ritsema
- Soil Physics and Land Management, Wageningen University & Research, P.O. Box 47, 6700 AA, Wageningen, the Netherlands
| | - Violette Geissen
- Soil Physics and Land Management, Wageningen University & Research, P.O. Box 47, 6700 AA, Wageningen, the Netherlands
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48
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Okada E, Coggan T, Anumol T, Clarke B, Allinson G. A simple and rapid direct injection method for the determination of glyphosate and AMPA in environmental water samples. Anal Bioanal Chem 2018; 411:715-724. [PMID: 30535527 DOI: 10.1007/s00216-018-1490-z] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 10/18/2018] [Accepted: 11/09/2018] [Indexed: 10/27/2022]
Abstract
Glyphosate is currently the most widely used herbicide in the world, yet screening of environmental waters for this chemical is limited by the need for specialized derivatization and measurement methods that can be tedious and time-consuming. In this work, we present a novel method for the detection and quantification at trace levels of glyphosate and aminomethylphosphonic acid (AMPA) in environmental water samples. The detection and quantification of the analytes was performed by liquid chromatography (LC) coupled with tandem mass spectrometry (MS/MS). Chromatographic separation was achieved with an ion-exchange column and a pH-gradient elution of a solution of ammonium hydroxide and ammonium acetate. The limit of detection for glyphosate and AMPA was 0.25 μg L-1 and the limit of quantification was 0.5 μg L-1with a 20-μL injection. The method was used to investigate the levels of glyphosate and AMPA in surface water samples from the Yarra River catchment area and urban constructed stormwater wetlands. The results indicate that at the time of sampling, no glyphosate or AMPA was present in the samples from the Yarra River catchment area (n = 10). However, glyphosate was detected above the limit of quantification in 33% of the wetland samples (n = 12), with concentrations ranging from 1.95 to 2.96 μg L-1. Similarly, AMPA was quantified in 83% of the wetland samples, with concentrations ranging from 0.55 to 2.42 μg L-1. To our knowledge, this is the first report of a pH-gradient LC-MS/MS method for glyphosate and AMPA analysis at ultratrace levels, with minimal sample processing, avoiding costly, time-consuming derivatization and preconcentration steps. Graphical abstract ᅟ.
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Affiliation(s)
- Elena Okada
- CONICET, Godoy Cruz 2290, C1425FQB, Buenos Aires, Argentina. .,EEA INTA, Ruta 226 km 73.5, 7620, Balcarce, Argentina.
| | - Timothy Coggan
- School of Science, RMIT University, GPO Box 2476, Melbourne, VIC, 3001, Australia
| | - Tarun Anumol
- Agilent Technologies Inc., Wilmington, DE, 19808, USA
| | - Bradley Clarke
- School of Science, RMIT University, GPO Box 2476, Melbourne, VIC, 3001, Australia
| | - Graeme Allinson
- School of Science, RMIT University, GPO Box 2476, Melbourne, VIC, 3001, Australia
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Yang X, Bento CPM, Chen H, Zhang H, Xue S, Lwanga EH, Zomer P, Ritsema CJ, Geissen V. Influence of microplastic addition on glyphosate decay and soil microbial activities in Chinese loess soil. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 242:338-347. [PMID: 29990941 DOI: 10.1016/j.envpol.2018.07.006] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2017] [Revised: 06/18/2018] [Accepted: 07/02/2018] [Indexed: 05/06/2023]
Abstract
The intensive use of pesticide and plastic mulches has considerably enhanced crop growth and yield. Pesticide residues and plastic debris, however, have caused serious environmental problems. This study investigated the effects of the commonly used herbicide glyphosate and micrometre-sized plastic debris, referred as microplastics, on glyphosate decay and soil microbial activities in Chinese loess soil by a microcosm experiment over 30 days incubation. Results showed that glyphosate decay was gradual and followed a single first-order decay kinetics model. In different treatments (with/without microplastic addition), glyphosate showed similar half-lives (32.8 days). The soil content of aminomethylphosphonic acid (AMPA), the main metabolite of glyphosate, steadily increased without reaching plateau and declining phases throughout the experiment. Soil microbial respiration significantly changed throughout the entirety of the experiment, particularly in the treatments with higher microplastic addition. The dynamics of soil β-glucosidase, urease and phosphatase varied, especially in the treatments with high microplastic addition. Particles that were considerably smaller than the initially added microplastic particles were observed after 30 days incubation. This result thus implied that microplastic would hardly affect glyphosate decay but smaller plastic particles accumulated in soils which potentially threaten soil quality would be further concerned especially in the regions with intensive plastic mulching application.
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Affiliation(s)
- Xiaomei Yang
- State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi, 712100, China; Soil Physics and Land Management, Wageningen University & Research, P.O. Box 47, 6700 AA, Wageningen, the Netherlands; State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Célia P M Bento
- Soil Physics and Land Management, Wageningen University & Research, P.O. Box 47, 6700 AA, Wageningen, the Netherlands
| | - Hao Chen
- Soil Physics and Land Management, Wageningen University & Research, P.O. Box 47, 6700 AA, Wageningen, the Netherlands
| | - Hongming Zhang
- Soil Physics and Land Management, Wageningen University & Research, P.O. Box 47, 6700 AA, Wageningen, the Netherlands; College of Information Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Sha Xue
- Soil Physics and Land Management, Wageningen University & Research, P.O. Box 47, 6700 AA, Wageningen, the Netherlands; State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, Northwest A&F University, Yangling, Shaanxi, 712100, China.
| | - Esperanza Huerta Lwanga
- Soil Physics and Land Management, Wageningen University & Research, P.O. Box 47, 6700 AA, Wageningen, the Netherlands; Agroecología, El Colegio de la Frontera Sur, Unidad Campeche, Av Poligono S/n, Ciudad Industrial, Lerma, Campeche, Mexico
| | - Paul Zomer
- Institute of Food Safety (RIKILT), Wageningen University & Research, P.O. Box 230, 6700 AE, Wageningen, the Netherlands
| | - Coen J Ritsema
- Soil Physics and Land Management, Wageningen University & Research, P.O. Box 47, 6700 AA, Wageningen, the Netherlands
| | - Violette Geissen
- Soil Physics and Land Management, Wageningen University & Research, P.O. Box 47, 6700 AA, Wageningen, the Netherlands
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50
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Li Y, Zhao C, Wen Y, Wang Y, Yang Y. Adsorption performance and mechanism of magnetic reduced graphene oxide in glyphosate contaminated water. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:21036-21048. [PMID: 29766435 DOI: 10.1007/s11356-018-2282-x] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 05/08/2018] [Indexed: 06/08/2023]
Abstract
In this study, the magnetic reduced graphene oxide (RGO/Fe3O4), with easy separation and high adsorption performance, was prepared and used to treat glyphosate (GLY) contaminated water. GLY adsorption performance of RGO/Fe3O4 was investigated, and influences of pH, adsorption time, temperature, contaminant concentration, and competing anions were analyzed. Moreover, the adsorption mechanism was discussed in the light of several characterization methods, including scanning electron microscopy (SEM), energy dispersive spectrum (EDS), Fourier-transform infrared spectroscopy (FTIR), and X-ray photoelectron spectroscopy (XPS). The results demonstrated that the RGO/Fe3O4 presented a significant GLY adsorption capacity and acid condition was beneficial for this adsorption. The pseudo-second-order kinetic model and the Langmuir model correlated satisfactorily to the experimental data, indicating that this process was controlled by chemical adsorption and monolayer adsorption. Thermodynamic studies revealed that the adsorption of glyphosate onto RGO/Fe3O4 was spontaneous, endothermic, and feasible process. High temperatures were beneficial to GLY adsorption. The GLY adsorption mechanism of RGO/Fe3O4 was mainly attributed to hydrogen-bond interaction, electrostatic interaction, and coordination. Therefore, the RGO/Fe3O4 investigated in this research may offer an attractive adsorbent candidate for treatment of glyphosate contaminated water and warrant further study as a mechanism for glyphosate efficient removal.
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Affiliation(s)
- Yajuan Li
- Key Laboratory of Regional Environment and Eco-Remediation, Ministry of Education, Shenyang University, Shenyang, 110044, China
| | - Chuanqi Zhao
- Key Laboratory of Regional Environment and Eco-Remediation, Ministry of Education, Shenyang University, Shenyang, 110044, China.
| | - Yujuan Wen
- Key Laboratory of Regional Environment and Eco-Remediation, Ministry of Education, Shenyang University, Shenyang, 110044, China
| | - Yuanyuan Wang
- Key Laboratory of Regional Environment and Eco-Remediation, Ministry of Education, Shenyang University, Shenyang, 110044, China
| | - Yuesuo Yang
- Key Laboratory of Regional Environment and Eco-Remediation, Ministry of Education, Shenyang University, Shenyang, 110044, China
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