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Vyas NB, Henry PFP, Binkowski ŁJ, Hladik ML, Gross MS, Schroeder MA, Davis DM. Persistence of pesticide residues in weathered avian droppings. ENVIRONMENTAL RESEARCH 2024; 259:119475. [PMID: 38945513 DOI: 10.1016/j.envres.2024.119475] [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: 04/03/2024] [Revised: 06/02/2024] [Accepted: 06/20/2024] [Indexed: 07/02/2024]
Abstract
Avian droppings (combination of fecal matter and urates) provide a non-lethal and non-invasive matrix for measuring pesticide exposures. In the field, droppings may be collected days or weeks after excretion and the persistence of pesticide residues in weathered droppings is not known. Thus, we studied the effects of weathering on pesticide residues in droppings. Domestic chicken (Gallus gallus domesticus) hens were used as a representative species for Order Galliformes. We collected droppings from hens before they were exposed to the pesticides (reference or pre-dose droppings ). Thereafter, the hens were orally administered encapsulated wheat seeds coated with Raxil® PRO Shield (containing the active ingredients imidacloprid, prothioconazole, metalaxyl, and tebuconazole) for consecutive 7 days. During this time, their droppings were collected on days 3, 5, and 8 from the start of the exposure period (post-dose droppings ). The pre-dose and post-dose droppings were weathered for up to 30 days in autumn and spring in shrubsteppe habitat. Droppings were analyzed using HPLC coupled to triple quad LC/MS for parent compound and metabolite residues. No pesticide or its metabolite residues were detected in the weathered reference droppings. No parent pesticide compounds were detected in weathered post-dose droppings but imidacloprid metabolites, imidacloprid-5-hydroxy and imidacloprid-olefin, and the prothioconazole metabolite, desthio-prothioconazole, were detected in all post-dose weathered samples from both seasons. The active ingredients metalaxyl and tebuconazole and their metabolites were not detected in any of the samples. Our results suggest that, depending on the pesticide, its concentration, and the environmental conditions, residues of some pesticides can be detected in droppings weathered for at least 30 days. Knowledge of pesticide persistence in weathered droppings can help refine the quality and quantity of fecal samples that are collected for monitoring pesticide exposures to birds.
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Affiliation(s)
- Nimish B Vyas
- U.S. Geological Survey Eastern Ecological Science Center, 12100 Beech Forest Road, Laurel, MD, 20708, United States.
| | - Paula F P Henry
- U.S. Geological Survey Eastern Ecological Science Center, 12100 Beech Forest Road, Laurel, MD, 20708, United States.
| | - Łukasz J Binkowski
- University of the National Education Commission and Earth Sciences, Podchorążych 2 St., 30-084, Krakow, Poland.
| | - Michelle L Hladik
- U.S. Geological Survey, California Water Science Center, 6000 J St. Placer Hall, Sacramento, CA, 95819, United States.
| | - Michael S Gross
- U.S. Geological Survey, California Water Science Center, 6000 J St. Placer Hall, Sacramento, CA, 95819, United States.
| | - Michael A Schroeder
- Washington Department of Fish and Wildlife, P.O. Box 1077, Bridgeport, WA, 98813, United States.
| | - Dawn M Davis
- U.S. Fish and Wildlife Service, Wyoming Field Office, 334 Parsley Boulevard, Cheyenne, WY, 82007, United States.
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Gutiérrez-Expósito C, Russ A, Sainz-Elipe R, Wolf C, Kragten S. Energy Content, Moisture Content, and Energy Assimilation Efficiency by Birds and Mammals of Oil-Containing Seeds and Implications for Seed Treatment Risk Assessments for Birds and Mammals. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2024; 43:2080-2085. [PMID: 39051738 DOI: 10.1002/etc.5945] [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: 12/20/2023] [Revised: 01/30/2024] [Accepted: 06/07/2024] [Indexed: 07/27/2024]
Abstract
Energy content, moisture content, and energy assimilation efficiency are essential parameters in the food intake rate (FIR) and exposure calculations for bird and mammal risk assessments. The updated European Food Safety Authority guidance document on risk assessment for birds and mammals summarizes these parameters for different food items. For seed treatments, values for cereal seeds are proposed as surrogates for other crops. Oil-containing seeds are expected to have a higher energy content than cereal seeds. This would result in lower FIR and, thus, exposure from consuming such seeds. To be able to calculate reliable exposure values for risk-assessment purposes, we conducted a systematic literature review to collect information on these three parameters for oil-containing seeds (sunflower, oilseed rape, soybean, peanut, sesame, safflower, linseed [flax], white mustard, and castor bean). The search yielded 401 papers, of which 151 contained values for at least one of the parameters of the crops in focus. The overall average energy content value of oil-containing seeds was 24.25 kJ/g (n = 124, SD = 3.00), whereas that for moisture content was 6.57% (n = 296, SD = 1.15). Energy assimilation values were only available for peanut, oilseed rape, soy, linseed, and sunflower for a limited number of bird and mammal species. Mean energy assimilation efficiency for mammals was 82.69% (n = 4, SD = 1.55), whereas values for birds were 57.54% (n = 2, SD = 6.77) for Galliformes and 79.25% (n = 2, SD = 1.82) for Passeriformes. The values presented can be used to calculate appropriate FIR values for future bird and mammal risk assessments. Environ Toxicol Chem 2024;43:2080-2085. © 2024 The Author(s). Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
| | - Anja Russ
- tier3 solutions, Leverkusen, Germany
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Lv Z, Meng X, Liang Q, Jiang T, Sun S, Tan Y, Feng J. A biodegradable oxidized starch/carboxymethyl chitosan film coated with pesticide-loaded ZIF-8 for tomato fusarium wilt control. Int J Biol Macromol 2024; 259:129249. [PMID: 38199556 DOI: 10.1016/j.ijbiomac.2024.129249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 12/17/2023] [Accepted: 01/03/2024] [Indexed: 01/12/2024]
Abstract
Film mulching is one of the most important methods to control soil-borne diseases. However, the traditional mulch may cause microplastic pollution and soil ecological damage. Herein, a biodegradable film was developed using oxidized starch and carboxymethyl chitosan and incorporated ZIF-8 carrying fludioxonil to sustainably control soil-borne disease. The microstructure, mechanical properties, optical properties, and water barrier properties of the composite films (Flu@ZIF-8-OS/CMCS) were investigated. The results show that Flu@ZIF-8-OS/CMCS had a smooth and uniform surface and excellent light transmittance. The excellent mechanical properties of the films were verified by tensile strength, elongation at break and Young's modulus. Higher contact angle and lower water vapor permeability indicate water retention capacity of the soil was improved through using Flu@ZIF-8-OS/CMCS. Furthermore, the release properties, biological activity, degradability and safety to soil organisms of Flu@ZIF-8-OS/CMCS was determined. The addition of ZIF-8 significantly improved the film's ability to retard the release of Flu, while the Flu@ZIF-8-OS/CMCS has good soil degradability. In vitro antifungal assays and pot experiments demonstrated excellent inhibitory activity against Fusarium oxysporum f. sp. Lycopersici. Flu@ZIF-8-OS/CMCS caused only 13.33 % mortality of earthworms within 7 d. This research provides a new approach to reducing microplastic pollution and effectively managing soil-borne diseases.
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Affiliation(s)
- Ze Lv
- College of Plant Protection, Yangzhou University, Yangzhou 225009, China
| | - Xiaohan Meng
- College of Plant Protection, Yangzhou University, Yangzhou 225009, China
| | - Qianwei Liang
- College of Plant Protection, Yangzhou University, Yangzhou 225009, China
| | - Tianzhen Jiang
- College of Plant Protection, Yangzhou University, Yangzhou 225009, China
| | - Shaoyang Sun
- College of Plant Protection, Yangzhou University, Yangzhou 225009, China
| | - Yifei Tan
- College of Plant Protection, Yangzhou University, Yangzhou 225009, China
| | - Jianguo Feng
- College of Plant Protection, Yangzhou University, Yangzhou 225009, China.
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Poliserpi MB, Brodeur JC. Behavioral and physiological changes in the passerine Agelaioides badius following the ingestion of coated seeds with imidacloprid in a 30-day experiment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 905:167078. [PMID: 37717765 DOI: 10.1016/j.scitotenv.2023.167078] [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: 04/13/2023] [Revised: 09/05/2023] [Accepted: 09/12/2023] [Indexed: 09/19/2023]
Abstract
The wide use of neonicotinoid seed treatment represents a hazard for farmland birds that feed on treated seeds. This study aimed to characterize the long-term effects of the neonicotinoid imidacloprid (IMI) in the passerine grayish baywing (Agelaioides badius). The birds were fed ad libitum for 32 days only with seeds treated with 53.1 (Low, 11 % of LD50) and 514 (High, (112 % of LD50) mg IMI/kg seed; these concentrations representing respectively, 1.8 and 17.1 % of 3 g IMI/kg, an average application rate used to treat crop seeds in Argentina. The effects exerted by IMI on birds were evaluated at behavioral, physiological, hematological, genotoxic, and biochemical levels. No differences in food consumption were observed between Control and Low treatments birds, indicating a lack of aversion to treated seeds. High treatment birds only decreased their food consumption by 20 % in the first 3 days of exposure. Birds from High treatment experienced an early loss of body weight, reduction in their mobility, lack of response to threats (i.e., predator call and approaching person), and altered their use of the cage. On the contrary, birds from Low treatment experienced a delay in the onset of effects like reduction in mobility, lack of response to threats, and a tendency to reduce their body weight. At the end of exposure, glutathione S transferase activity in the plasma of treated birds decreased, and cholinesterase activity increased in the liver of treated birds. This study highlights that consumption equivalent to 1.8 % of the daily diet of baywings as IMI-treated seeds, is sufficient to generate behavioral and physiological alterations and death. In the wild, these effects may have ecological consequences, by impairing the survival of birds, representing a risk to farmland bird populations.
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Affiliation(s)
- Maria Belen Poliserpi
- Instituto de Recursos Biológicos, Centro de Investigaciones de Recursos Naturales (CIRN), Instituto Nacional de Tecnología Agropecuaria (INTA), 1686 Hurlingham, Buenos Aires, Argentina.
| | - Julie Celine Brodeur
- Instituto de Recursos Biológicos, Centro de Investigaciones de Recursos Naturales (CIRN), Instituto Nacional de Tecnología Agropecuaria (INTA), 1686 Hurlingham, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
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Poliserpi MB, Noya Abad T, De Gerónimo E, Aparicio V, Brodeur JC. Behavioral and physiological response of the passerine bird Agelaioides badius to seeds coated with imidacloprid. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:80293-80310. [PMID: 37294486 DOI: 10.1007/s11356-023-28074-y] [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: 10/17/2022] [Accepted: 05/30/2023] [Indexed: 06/10/2023]
Abstract
Neonicotinoids are globally used insecticides, and there are increasing evidence on their negative effects on birds. This study is aimed at characterizing the behavioral and physiological effects of the neonicotinoid imidacloprid (IMI) in a songbird. Adults of Agelaioides badius were exposed for 7 days to non-treated peeled millet and to peeled millet treated with nominal concentrations of 75 (IMI1) and 450 (IMI2) mg IMI/kg seed. On days 2 and 6 of the trial, the behavior of each bird was evaluated for 9 min by measuring the time spent on the floor, the perch, or the feeder. Daily millet consumption, initial and final body weight, and physiological, hematological, genotoxic, and biochemical parameters at the end of exposure were also measured. Activity was greatest on the floor, followed by the perch and the feeder. On the second day, birds exposed to IMI1and IMI2 remained mostly on the perch and the feeder, respectively. On the sixth day, a transition occurred to sectors of greater activity, consistent with the disappearance of the intoxication signs: birds from IMI1 and IMI2 increased their time on the floor and the perch, respectively. Control birds always remained most of the time on the floor. IMI2 birds significantly decreased their feed intake by 31% the first 3 days, compared to the other groups, and significantly decreased their body weight at the end of the exposure. From the set of hematological, genotoxic, and biochemical parameters, treated birds exhibited an alteration of glutathione-S-transferase activity (GST) in breast muscle; the minimal effects observed are probably related to the IMI administration regime. These results highlight that the consumption of less than 10% of the bird daily diet as IMI-treated seeds trigger effects at multiple levels that can impair bird survival.
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Affiliation(s)
- Maria Belen Poliserpi
- Instituto de Recursos Biológicos, Centro de Investigaciones de Recursos Naturales (CIRN), Instituto Nacional de Tecnología Agropecuaria (INTA), Hurlingham, Buenos Aires, Argentina.
| | - Tatiana Noya Abad
- Departamento de Química Biológica, IQUIBICEN, Facultad de Ciencias Exactas y Naturales (FCEyN), Universidad de Buenos Aires (UBA), Buenos Aires, Argentina
- Centro de Ciencias Naturales, Ambientales y Antropológicas (CCNAA), Universidad Maimónides, Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Eduardo De Gerónimo
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
- Estación Experimental Agropecuaria Balcarce (EEA Balcarce), Instituto Nacional de Tecnología Agropecuaria (INTA), Ruta Nacional 226, Km. 73,5, Balcarce, Buenos Aires, Argentina
| | - Virginia Aparicio
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
- Estación Experimental Agropecuaria Balcarce (EEA Balcarce), Instituto Nacional de Tecnología Agropecuaria (INTA), Ruta Nacional 226, Km. 73,5, Balcarce, Buenos Aires, Argentina
| | - Julie Celine Brodeur
- Instituto de Recursos Biológicos, Centro de Investigaciones de Recursos Naturales (CIRN), Instituto Nacional de Tecnología Agropecuaria (INTA), Hurlingham, Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
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Fernández-Vizcaíno E, Mougeot F, Mateo R, Camarero PR, Alcaide V, Ortiz-Santaliestra ME. A non-invasive method to monitor farmland bird exposure to triazole fungicides. CHEMOSPHERE 2023; 325:138316. [PMID: 36893863 DOI: 10.1016/j.chemosphere.2023.138316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 02/11/2023] [Accepted: 03/03/2023] [Indexed: 06/18/2023]
Abstract
The treatment of seeds with pesticides is an extended practice in current agriculture. There is a high risk of exposure in granivorous birds, such as the red-legged partridge (Alectoris rufa), that can consume those seeds remaining on the surface during sowing. Fungicide exposure could in turn affect bird reproductive capacity. To better understand to what extent triazole fungicides are a threat to granivorous birds, we need an easy and reliable method to quantify field exposure. In this study, we tested a novel non-invasive method to detect the presence of triazole fungicide residues in farmland bird faeces. We experimentally exposed captive red-legged partridges to validate the method, and then applied it in a real scenario to assess exposure of wild partridges. We exposed adult partridges to seeds treated with two formulations containing triazole fungicides as active ingredients: Vincit®Minima (flutriafol 2.5%) and Raxil®Plus (prothioconazole 25% and tebuconazole 15%). We collected two types of faeces (caecal and rectal samples) immediately after exposure and 7 days later and quantified the concentrations of the three triazoles and their common metabolite (1,2,4-triazole). The three active ingredients and 1,2,4-triazole were only detected in faeces collected immediately after exposure. Triazole fungicide detection rates in rectal stool were 28.6%, 73.3% and 80% for flutriafol, prothioconazole and tebuconazole, respectively. In caecal samples, detection rates were 40%, 93.3% and 33.3%, respectively. 1,2,4-triazole was detected in 53% of rectal samples. For an applied use of the method in the field, we collected 43 faecal samples from wild red-legged partridges during autumn cereal seed sowing and found detectable levels of tebuconazole in 18.6% of the analysed wild partridges. The results of the experiment were then used to estimate actual exposure levels from this prevalence value found in wild birds. Our study shows that faecal analysis can be a useful tool to assess farmland bird exposure to triazole fungicides, when samples are fresh and the method has been validated for the detection of target molecules.
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Affiliation(s)
- Elena Fernández-Vizcaíno
- Instituto de Investigación en Recursos Cinegéticos (IREC) CSIC-UCLM-JCCM, Ronda de Toledo 12, 13005, Ciudad Real, Spain.
| | - François Mougeot
- Instituto de Investigación en Recursos Cinegéticos (IREC) CSIC-UCLM-JCCM, Ronda de Toledo 12, 13005, Ciudad Real, Spain
| | - Rafael Mateo
- Instituto de Investigación en Recursos Cinegéticos (IREC) CSIC-UCLM-JCCM, Ronda de Toledo 12, 13005, Ciudad Real, Spain
| | - Pablo R Camarero
- Instituto de Investigación en Recursos Cinegéticos (IREC) CSIC-UCLM-JCCM, Ronda de Toledo 12, 13005, Ciudad Real, Spain
| | - Vicente Alcaide
- Instituto Regional de Investigación y Desarrollo Agroalimentario y Forestal de Castilla La Mancha (IRIAF), Centro de Investigación Agroambiental El Chaparrillo JCCM. Carretera de Porzuna S/n, 13071, Ciudad Real, Spain
| | - Manuel E Ortiz-Santaliestra
- Instituto de Investigación en Recursos Cinegéticos (IREC) CSIC-UCLM-JCCM, Ronda de Toledo 12, 13005, Ciudad Real, Spain
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Sinčić Modrić G, Petković Didović M, Dubrović I, Žurga P, Broznić D. Those That Remain: Sorption/Desorption Behaviour and Kinetics of the Neonicotinoids Still in Use. Int J Mol Sci 2023; 24:ijms24076548. [PMID: 37047521 PMCID: PMC10095529 DOI: 10.3390/ijms24076548] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/16/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023] Open
Abstract
In January 2023, the derogation loophole was closed on “emergency authorisations” for the use of three out of five neonicotinoids in all EU states. In this study, we analysed the sorption/desorption behaviour and kinetic parameters of acetamiprid and thiacloprid, the two neonicotinoids that are still approved for use, either regularly or under emergency authorisations in the EU, and widely used worldwide. Sorption and desorption curves in four soils with different organic matter content were analysed using four kinetic models, namely, Lagergren’s pseudo first-order model, two-site model (TSM), Weber–Morris intraparticle diffusion model and Elovich’s model. Kinetic parameters were correlated to soil physico-chemical characteristics. To determine the mutual influence of soil characteristics and sorption/desorption parameters in the analysed soils, a factor analysis based on principal component analysis (PCA) was performed. Even though the two insecticides are very similar in size and chemical structure, the results showed different sorption/desorption kinetics. The model that best fits the experimental data was TSM. Thiacloprid showed a more rapid sorption compared to acetamiprid, and, in all soils, a higher proportion sorbed at equilibrium. Intra-particle diffusion seemed to be a relevant process in acetamiprid sorption, but not for thiacloprid. Desorption results showed that acetamiprid is more easily and more thoroughly desorbed than thiacloprid, in all soils. The kinetic behaviour differences stem from variations in molecular structure, causing disparate water solubility, lipophilicity, and acid–base properties.
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Lopes Alves PR, de Araújo RS, Ogliari Bandeira F, Matias WG. Individual and combined toxicity of imidacloprid and two seed dressing insecticides on collembolans Folsomia candida. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2023; 86:166-179. [PMID: 36756738 DOI: 10.1080/15287394.2023.2174464] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The aim of this study was to examine the chronic toxicity of imidacloprid (IMI), clothianidin (CLO) and fipronil (FIP) as a single exposure, as well as binary mixtures of IMI with CLO or FIP toward collembolans Folsomia candida, which are fauna present in the soil. Chronic toxicity assays were performed following an ISO guideline in a Tropical Artificial Soil (TAS), and the influence on the number and growth of the juveniles produced were determined. The range of nominal concentrations used in the tests with the individual compounds was 0.08-1.28 mg/kg (IMI), 0.079-1.264 mg/kg (FIP) and 0.007-0.112 mg/kg (CLO), whereas the mixture assays were performed with half the value used in the tests with individual compounds. Based upon single exposures, IMI produced a similar impact of reducing reproduction by 50% (EC50 ranging from 0.74 to 0.85 mg/kg) compared to FIP (EC50 = 0.78 mg/kg), whereas CLO was the most toxic to F. candida (EC50 = 0.08 mg/kg). Their mixtures generally resulted in a diminished effect on reproduction, as evidenced by the higher EC50 values. In contrast, in the case of the IMI+FIP combination at high concentrations at the EC50 level, a synergistic effect on toxicity was observed. The single exposure to the three insecticides and the mixture of IMI-FIP also decreased the size of generated juveniles, which was evidenced by the reduction in the proportion of large juveniles and increased proportion of small juveniles. However, both binary mixtures (IMI-FIP and IMI-CLO) presented antagonistic effects as evidenced by less than expected reductions in growth. Data on the toxic effects of IMI in a mixture with other seed dressing insecticides to collembolans provides useful information to environmental risk assessors by diminishing the uncertainties on the ecological risk of exposure to pesticides, enabling soil management degradation by utilizing multiple insecticides.
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Affiliation(s)
| | | | - Felipe Ogliari Bandeira
- Department of Sanitary and Environmental Engineering, Federal University of Santa Catarina, Florianópolis, Brazil
| | - William Gerson Matias
- Department of Sanitary and Environmental Engineering, Federal University of Santa Catarina, Florianópolis, Brazil
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Moore DRJ, Priest CD. ESASeedPARAM: A seed treatment model for threatened and endangered bird species in the United States. INTEGRATED ENVIRONMENTAL ASSESSMENT AND MANAGEMENT 2023; 19:527-546. [PMID: 36181302 DOI: 10.1002/ieam.4693] [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: 06/22/2022] [Revised: 09/01/2022] [Accepted: 09/21/2022] [Indexed: 06/16/2023]
Abstract
The USEPA, National Marine Fisheries Service, and Fish and Wildlife Service are required to assess the risks of pesticides undergoing registration or reregistration to threatened and endangered (i.e., listed) species. Currently, the USEPA lacks a refined model to assess the risks of seed treatments to listed bird species. We developed the Endangered Species Assessment Seed Treatment Probabilistic Avian Risk Assessment Model (ESASeedPARAM) to incorporate species-specific diets, body weights, and food ingestion rates for potentially exposed listed bird species. The model also incorporates information on dissipation of seed residues after planting, and metabolism and elimination by birds during exposure. The ESASeedPARAM estimates hourly intake from ingestion of treated seeds for up to 50 days after planting. For each simulated bird, maximum retained dose (= body burden) and maximum rolling average total daily intake are estimated for acute and chronic exposure, respectively. The model is probabilistic and estimates exposure and risk for 20 birds on each of 1000 fields. The model accounts for interfield variation in the amount of waste grain on the soil surface in tilled, reduced till, and untilled fields. To estimate the fate of each bird from acute exposure, a random value is selected from the appropriate dose-response relationship and compared with the maximum retained dose. If acute exposure exceeds the randomly chosen effects value, mortality is assumed. For chronic risk, the most sensitive No Observed Adverse Effects Level (NOAEL) and Lowest Observed Adverse Effects Level (LOAEL) for an apical endpoint (survival, growth, reproduction) are compared with maximum rolling average total daily intake. In this article, we describe a case study conducted with the ESASeedPARAM for imidacloprid used as a seed treatment on wheat and soybean. Integr Environ Assess Manag 2023;19:527-546. © 2022 SETAC.
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Fonseca Peña SVD, Natale GS, Brodeur JC. Toxicity of the neonicotinoid insecticides thiamethoxam and imidacloprid to tadpoles of three species of South American amphibians and effects of thiamethoxam on the metamorphosis of Rhinella arenarum. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2022; 85:1019-1039. [PMID: 36424857 DOI: 10.1080/15287394.2022.2147113] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The present study examined the acute and chronic toxicity of the neonicotinoid insecticides imidacloprid (IMI) and thiamethoxam (TIA) on the neotropical amphibian species Rhinella arenarum, Rhinella fernandezae and Scinax granulatus. The median lethal concentration after 96 hr exposure (96 hr-LC50) ranged between 11.28 and >71.2 mg/L amongst all species and development stages tested, indicating that these pesticides are not likely to produce acute toxicity in the wild. The subchronic toxicity was also low, with 21 day-LC50 values ranging between 27.15 and >71.2 mg/L. However, tadpoles of Rhinella arenarum exposed to thiamethoxam from stage 27 until completion of metamorphosis presented a significantly lower metamorphic success rate together with a smaller size at metamorphosis, starting from the lowest concentration tested. Although a number of studies previously examined the effects of neonicotinoids on amphibian tadpoles, these investigations focused on the time to metamorphosis and reported a variety of results including retardation, acceleration or lack of effect. Here, data demonstrated that thiamethoxam predominantly impacts metamorphosis through reduction of the transformation success and body weight, rather than by affecting the timings of metamorphosis. By closely monitoring progression of tadpoles through the different stages, impairment of metamorphosis was demonstrated to occur during the transition from stage 39 to 42, suggesting an effect on the thyroid system. An asymmetry in the length of the arms was also observed in metamorphs treated with thiamethoxam. Overall, these results indicate that thiamethoxam, and conceivably other neonicotinoids, have the potential to significantly impair metamorphosis of amphibians and diminish their performance and survival in the wild.
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Affiliation(s)
- Shirley Vivian Daniela Fonseca Peña
- Instituto de Recursos Biológicos Centro de Investigaciones de Recursos Naturales (CIRN) Instituto Nacional de Tecnología Agropecuaria (INTA), Hurlingham, Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
| | - Guillermo Sebastián Natale
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
- Centro de Investigaciones del Medio Ambiente (CIM) Departamento de Química, Facultad de Ciencias Exactas Universidad Nacional de La Plata, La Plata, Buenos Aires, Argentina
| | - Julie Céline Brodeur
- Instituto de Recursos Biológicos Centro de Investigaciones de Recursos Naturales (CIRN) Instituto Nacional de Tecnología Agropecuaria (INTA), Hurlingham, Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
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Wang Y, Zhu M, Shi T, Ma X, Wu X, Li QX, Hua R. Construction of a novel fluorescent nanocarrier with double hollow shells for pH-controlled release of imidacloprid and its distribution and transport in bok choy. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 246:114132. [PMID: 36206638 DOI: 10.1016/j.ecoenv.2022.114132] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 09/24/2022] [Accepted: 09/27/2022] [Indexed: 06/16/2023]
Abstract
Nanotechnology has been widely used in the field of pesticides. Integration of nano-pesticides and carbon dot fluorescence can fully utilize the potential for high admission of pesticides on leaves and convenience observation of its distribution and transport in the tissues. In the present study, a fluorescent mesoporous nanosilica with double hollow shells for loading imidacloprid (Im@FL-MSNs) was designed and synthesized. The physical and chemical properties of the imidacloprid nanocarriers were characterized by transmission electron microscopy (TEM), FT-IR spectroscopy, thermogravimetric analysis (TGA), X-ray photoelectron spectroscopy (XPS) and N2 adsorption/desorption. When the mass ratio of FL MSNs to imidacloprid is 6:5, Im@FL-MSNs exhibits good fluorescence properties, high loading efficiency (∼30%), great slow-release performance as well as pH controllability. Besides, Im@FL-MSNs can improve the ability of imidacloprid to adhere on the leaf surface of bok choy (Initial contact angled is greater than 80°). Importantly, Im@FL-MSNs did not reduce the biological activity of imidacloprid (LC50 (95% CI) = 1.43 mg/L). It was able to visually study the absorption and distribution of imidacloprid in bok choy plants, and provide theoretical and technical guidance for pesticide reduction.
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Affiliation(s)
- Yi Wang
- Key Laboratory of Agri-Food Safety of Anhui Province, Department of Pesticide Science, School of Resources and Environment, Anhui Agricultural University, No. 130 Changjiang West Road, Hefei 230036, China
| | - Meiqing Zhu
- Key Laboratory of Agri-Food Safety of Anhui Province, Department of Pesticide Science, School of Resources and Environment, Anhui Agricultural University, No. 130 Changjiang West Road, Hefei 230036, China; School of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu, Anhui 241000, China
| | - Taozhong Shi
- Key Laboratory of Agri-Food Safety of Anhui Province, Department of Pesticide Science, School of Resources and Environment, Anhui Agricultural University, No. 130 Changjiang West Road, Hefei 230036, China
| | - Xin Ma
- Key Laboratory of Agri-Food Safety of Anhui Province, Department of Pesticide Science, School of Resources and Environment, Anhui Agricultural University, No. 130 Changjiang West Road, Hefei 230036, China
| | - Xiangwei Wu
- Key Laboratory of Agri-Food Safety of Anhui Province, Department of Pesticide Science, School of Resources and Environment, Anhui Agricultural University, No. 130 Changjiang West Road, Hefei 230036, China
| | - Qing X Li
- Department of Molecular Biosciences and Bioengineering, University of Hawaii at Manoa, 1955 East-West Road, Honolulu, HI 96822, USA
| | - Rimao Hua
- Key Laboratory of Agri-Food Safety of Anhui Province, Department of Pesticide Science, School of Resources and Environment, Anhui Agricultural University, No. 130 Changjiang West Road, Hefei 230036, China.
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Moreau J, Rabdeau J, Badenhausser I, Giraudeau M, Sepp T, Crépin M, Gaffard A, Bretagnolle V, Monceau K. Pesticide impacts on avian species with special reference to farmland birds: a review. ENVIRONMENTAL MONITORING AND ASSESSMENT 2022; 194:790. [PMID: 36107257 DOI: 10.1007/s10661-022-10394-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 08/12/2022] [Indexed: 06/15/2023]
Abstract
For decades, we have observed a major biodiversity crisis impacting all taxa. Avian species have been particularly well monitored over the long term, documenting their declines. In particular, farmland birds are decreasing worldwide, but the contribution of pesticides to their decline remains controversial. Most studies addressing the effects of agrochemicals are limited to their assessment under controlled laboratory conditions, the determination of lethal dose 50 (LD50) values and testing in a few species, most belonging to Galliformes. They often ignore the high interspecies variability in sensitivity, delayed sublethal effects on the physiology, behaviour and life-history traits of individuals and their consequences at the population and community levels. Most importantly, they have entirely neglected to test for the multiple exposure pathways to which individuals are subjected in the field (cocktail effects). The present review aims to provide a comprehensive overview for ecologists, evolutionary ecologists and conservationists. We aimed to compile the literature on the effects of pesticides on bird physiology, behaviour and life-history traits, collecting evidence from model and wild species and from field and lab experiments to highlight the gaps that remain to be filled. We show how subtle nonlethal exposure might be pernicious, with major consequences for bird populations and communities. We finally propose several prospective guidelines for future studies that may be considered to meet urgent needs.
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Affiliation(s)
- Jérôme Moreau
- Équipe Écologie Évolutive, UMR CNRS 6282 Biogéosciences, Université Bourgogne Franche-Comté, Dijon, France
- UMR CNRS 7372 Centre d'Études Biologiques de Chizé, La Rochelle Université, 79360, Villiers-en-Bois, France
| | - Juliette Rabdeau
- UMR CNRS 7372 Centre d'Études Biologiques de Chizé, La Rochelle Université, 79360, Villiers-en-Bois, France
| | - Isabelle Badenhausser
- Unité de Recherche Pluridisciplinaire Prairies Plantes Fourragères, INRAE, 86600, Lusignan, France
| | - Mathieu Giraudeau
- UMR IRD, CREEC, Université de Montpellier, 224-CNRS 5290, Montpellier, France
- Centre de Recherche en Écologie Et Évolution de La Sante (CREES), Montpellier, France
- Littoral Environnement Et Sociétés (LIENSs), UMR 7266, CNRS- La Rochelle Université, La Rochelle, France
| | - Tuul Sepp
- Department of Zoology, University of Tartu, Tartu, Estonia
| | - Malaury Crépin
- UMR CNRS 7372 Centre d'Études Biologiques de Chizé, La Rochelle Université, 79360, Villiers-en-Bois, France
| | - Agathe Gaffard
- UMR CNRS 7372 Centre d'Études Biologiques de Chizé, La Rochelle Université, 79360, Villiers-en-Bois, France
| | - Vincent Bretagnolle
- UMR CNRS 7372 Centre d'Études Biologiques de Chizé, La Rochelle Université, 79360, Villiers-en-Bois, France
- LTSER "Zone Atelier Plaine & Val de Sèvre", CNRS, 79360, Villiers-en-Bois, France
| | - Karine Monceau
- UMR CNRS 7372 Centre d'Études Biologiques de Chizé, La Rochelle Université, 79360, Villiers-en-Bois, France.
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13
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Petković Didović M, Kowalkowski T, Broznić D. Emerging Contaminant Imidacloprid in Mediterranean Soils: The Risk of Accumulation Is Greater than the Risk of Leaching. TOXICS 2022; 10:358. [PMID: 35878263 PMCID: PMC9323270 DOI: 10.3390/toxics10070358] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Revised: 06/21/2022] [Accepted: 06/25/2022] [Indexed: 11/16/2022]
Abstract
Imidacloprid (IMI) is an extensively used neonicotinoid insecticide whose occurrence in the environment is a worldwide problem. Its sorption/transport properties are recognized as one of the key knowledge gaps hindering policymaking regarding its international routine monitoring in soils. Therefore, we studied IMI transport behaviour in Croatian Mediterranean soils using column experiments. Breakthrough curves were analysed using the two-site adsorption model and compared against dimethoate (DIM). Transport parameters were correlated to soil physicochemical properties. The results indicate that IMI shows a high degree of preference for soil organic matter over any other soil constituent. For IMI, the clay did not exhibit any sorption activity, while hematite did act as an active sorbent. Contrarily, hematite increased the leachability of DIM by blocking the active sorption sites on clay platelets. Both hematite and clay sorption acted as type-2 (i.e., rate-limiting) sites. In all soils, IMI exhibited lower short-term leachability than DIM. Combined with a body of data concerning other aspects of IMI environmental behaviour, the results indicate that the risk of accumulation of IMI in the soil is greater than the risk of contamination by leaching. Thus, continuous monitoring of IMI in soils should be incorporated into future soil health protection programs.
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Affiliation(s)
- Mirna Petković Didović
- Department of Medical Chemistry, Biochemistry and Clinical Chemistry, Faculty of Medicine, University of Rijeka, 51000 Rijeka, Croatia;
| | - Tomasz Kowalkowski
- Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Gagarina 7, 87-100 Toruń, Poland;
| | - Dalibor Broznić
- Department of Medical Chemistry, Biochemistry and Clinical Chemistry, Faculty of Medicine, University of Rijeka, 51000 Rijeka, Croatia;
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Castro J, Morales‐Rueda F, Alcaraz‐Segura D, Tabik S. Forest restoration is more than firing seeds from a drone. Restor Ecol 2022. [DOI: 10.1111/rec.13736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jorge Castro
- Department of Ecology University of Granada. 18071 Granada Spain
| | | | - Domingo Alcaraz‐Segura
- Department of Botany and Inter‐university Institute for Earth System Research in Andalusia ‐IISTA University of Granada. 18071 Granada Spain
| | - Siham Tabik
- Department of Computer Science and Artificial Intelligence, Andalusian Research Institute in Data Science and Computational Intelligence, DaSCI University of Granada. 18071 Granada Spain
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15
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Poliserpi MB, Cristos D, Pérez-Iglesias JM, Brodeur JC. Tissue distribution and sublethal effects of imidacloprid in the South American grayish baywing (Agelaioides badius). CHEMOSPHERE 2021; 284:131327. [PMID: 34216921 DOI: 10.1016/j.chemosphere.2021.131327] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 06/16/2021] [Accepted: 06/22/2021] [Indexed: 06/13/2023]
Abstract
The neonicotinoids are globally used insecticides, which have been shown to cause negative impacts on birds. The current study aimed to evaluate the distribution of the neonicotinoid imidacloprid (IMI) in the tissues of a songbird and identify related physiological effects. Adults of the grayish baywing (Agelaioides baduis) were administered with a single dose of 35 mg IMI/kg, and the IMI concentration was evaluated in liver, kidney and plasma at 4, 12, 24, and 48 h after dosing. At the same time points, effects on hematological, genetic and enzymatic parameters were assessed. Results showed that IMI was absorbed before 4 h, and eliminated at 48 h, in every tissue, and the highest concentrations were detected in plasma. Baywings showed intoxication signs and reduced mobility within the first 5 min post-dosing. Hematological parameters: red blood cells, packed cell volume, hemoglobin, and their derived indices exhibited a transient elevation 24 h after dosing, which coincided with maximum concentrations of IMI in the tissues. No effects were observed on the genotoxicity parameters evaluated: micronuclei and comet assay. Treated birds exhibited an alteration of cholinesterases activity in the muscle and plasma, and of glutathione-S-transferase (GST) activity in the plasma, brain, liver, and muscle. Based on the results obtained, the combined detection of IMI and inhibition of GST activity in the plasma is suggested as a non-lethal biomarker of IMI exposure in wild birds. As efficient field monitoring depends on the availability of proven biomarkers, the current study provides valuable tools for bird conservation in agroecosystems.
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Affiliation(s)
- María Belén Poliserpi
- Instituto de Recursos Biológicos, Centro de Investigaciones de Recursos Naturales (CIRN), Instituto Nacional de Tecnología Agropecuaria (INTA), Hurlingham, Buenos Aires, Argentina.
| | - Diego Cristos
- Instituto Tecnología de Alimentos, Centro de Investigación de Agroindustria (CIA), Instituto Nacional de Tecnología Agropecuaria (INTA), Hurlingham, Buenos Aires, Argentina
| | - Juan Manuel Pérez-Iglesias
- INQUISAL, Universidad Nacional de San Luis, San Luis, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
| | - Julie Céline Brodeur
- Instituto de Recursos Biológicos, Centro de Investigaciones de Recursos Naturales (CIRN), Instituto Nacional de Tecnología Agropecuaria (INTA), Hurlingham, Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
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