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Laurent J, Le Berre I, Armengaud J, Kailasam S, Couteau J, Waeles M, Le Floch S, Laroche J, Pichereau V. Integration of environmental signatures and omics-based approaches on the European flounder to assist with health assessment of estuarine ecosystems in Brittany, France. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 878:163195. [PMID: 37003335 DOI: 10.1016/j.scitotenv.2023.163195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 03/21/2023] [Accepted: 03/27/2023] [Indexed: 05/13/2023]
Abstract
This study aimed to develop a multidisciplinary approach to assess the ecological status of six moderate-sized French estuaries. For each estuary, we gathered geographical information, hydrobiological data, chemistry of pollutants and fish biology, including integration of proteomics and transcriptomics data. This integrative study covered the entire hydrological system studied, from the watershed to the estuary, and considered all the anthropogenic factors that can impact this environment. To reach this goal, European flounder (Platichthys flesus) were collected from six estuaries in September, which ensures a minimum residence time of five months within an estuary. Geographical metrics are used to characterize land use in each watershed. The concentrations of nitrite, nitrate, organic pollutants, and trace elements were measured in water, sediments and biota. All of these environmental parameters allowed to set up a typology of estuaries. Classical fish biomarkers, coupled with molecular data from transcriptomics and shotgun proteomics, highlighted the flounder's responses to stressors in its environment. We analysed the protein abundances and gene expression levels in the liver of fish from the different estuaries. We showed clear positive deregulation of proteins associated with xenobiotic detoxification in a system characterized by a large population density and industrial activity, as well as in a predominantly agricultural catchment area (mostly cultures of vegetables and pig breeding) mainly impacted by pesticides. Fish from the latter estuary also displayed strong deregulation of the urea cycle, most probably related to high nitrogen load. Proteomic and transcriptomic data also revealed a deregulation of proteins and genes related to the response to hypoxia, and a probable endocrine disruption in some estuaries. Coupling these data allowed the precise identification of the main stressors interacting within each hydrosystem.
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Affiliation(s)
- Jennifer Laurent
- LEMAR UMR 6539 CNRS/UBO/IRD/Ifremer, IUEM-Université de Bretagne Occidentale, Rue Dumont D'Urville, 29280 Plouzané, France; CEDRE, 715 rue Alain Colas, 29200 Brest, France.
| | - Iwan Le Berre
- LETG-Brest GEOMER, UMR 6554 CNRS, IUEM-Université de Bretagne Occidentale, Rue Dumont D'Urville, 29280 Plouzané, France
| | - Jean Armengaud
- Laboratoire Innovations Technologiques pour la Détection et le Diagnostic (Li2D), Service de Pharmacologie et Immunoanalyse (SPI), CEA, INRAe, F-30207 Bagnols-sur-Cèze, France
| | - Senthilkumar Kailasam
- Canadian Centre for Computational Genomics, McGill University, Montreal, Quebec H3A 0G1, Canada; Department of Human Genetics, McGill University, Montréal, Québec, Canada
| | - Jérôme Couteau
- TOXEM, 12 rue des 4 saisons, 76290 Montivilliers, France
| | - Matthieu Waeles
- LEMAR UMR 6539 CNRS/UBO/IRD/Ifremer, IUEM-Université de Bretagne Occidentale, Rue Dumont D'Urville, 29280 Plouzané, France
| | | | - Jean Laroche
- LEMAR UMR 6539 CNRS/UBO/IRD/Ifremer, IUEM-Université de Bretagne Occidentale, Rue Dumont D'Urville, 29280 Plouzané, France
| | - Vianney Pichereau
- LEMAR UMR 6539 CNRS/UBO/IRD/Ifremer, IUEM-Université de Bretagne Occidentale, Rue Dumont D'Urville, 29280 Plouzané, France.
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Brodeur JC, D'Andrea MF, Dip C. Statistically based soil-climate exposure scenarios for aquatic pesticide fate modeling and exposure assessment in the Pampa Region of Argentina. INTEGRATED ENVIRONMENTAL ASSESSMENT AND MANAGEMENT 2023; 19:626-637. [PMID: 35791275 DOI: 10.1002/ieam.4656] [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: 04/26/2022] [Revised: 05/28/2022] [Accepted: 06/28/2022] [Indexed: 06/15/2023]
Abstract
Although pesticides are used intensively in Argentina's Pampa region, the possibility of performing an environmental risk assessment (ERA) remains limited due to the absence of readily available databases to run pesticide fate models and the lack of standardized realistic worst-case scenarios. The aim of the present study was to further advance capacities for performing probabilistic ERAs in the Pampa region by dividing and parameterizing the region into functional soil-climate mapping units (SCU) and defining statistically based, worst-case soil-climate exposure scenarios. Results obtained demonstrate that the SCU selected for a specific modeling exercise should depend on the dissociation constant (Kd ) of the pesticide evaluated and whether short- or long-term pesticide fate modeling and risk assessment are needed. Four regionally representative SCUs were specifically identified for modeling the fate of pesticides with low, high, and intermediate values of Kd . Fate modeling of pesticides with an intermediate Kd requires the use of a different SCU for short- versus long-term pesticide modeling, whereas this distinction is not necessary for pesticides with both low and high Kd . The current definition of realistic, worst-case, soil-climate scenarios represents a crucial step toward better pesticide fate modeling and exposure assessment in Argentina's Pampa region. Integr Environ Assess Manag 2023;19:626-637. © 2022 SETAC.
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Affiliation(s)
- 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), Buenos Aires, Argentina
| | - María Florencia D'Andrea
- Instituto de Recursos Biológicos, Centro de Investigaciones de Recursos Naturales (CIRN), Instituto Nacional de Tecnología Agropecuaria (INTA), Hurlingham, Buenos Aires, Argentina
| | - Cecilia Dip
- Institut National de la Recherche Scientifique, Centre Eau Terre Environnement, Québec, Canada
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Laurent J, Lavergne E, Couteau J, Le Floch S, Ouddane B, Cachot J, Davail B, Clérandeau C, Devin S, Fisson C, Devaux A, Amara R, Diop M, Pichereau V, Laroche J. Impacts of chemical stress, season, and climate change on the flounder population of the highly anthropised Seine estuary (France). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:59751-59769. [PMID: 35391645 DOI: 10.1007/s11356-022-20000-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 03/26/2022] [Indexed: 06/14/2023]
Abstract
The main objective of this study was to improve our knowledge on the responses of fish populations to multistress (diffuse pollution and warming waters) in estuaries. Adult flounders were caught in two estuaries in the Eastern English Channel: the heavily polluted Seine estuary vs the moderately contaminated Canche estuary. Fish samplings were conducted in January just before the reproduction period, and in July when gonads were at rest. The overall rise in coastal winter water temperatures detected over the Channel impairs the flounder's phenology of reproduction in the two estuaries, inducing a delay of maturation process and probably also spawning. The higher liver histopathology index in Seine vs Canche could be the consequence of the fish exposition to a complex cocktail of contaminants in a strongly industrialized estuary. Higher levels of neurotoxicity, gill lipid peroxidation, and liver EROD activity were observed in Seine vs Canche. Furthermore, a possible impairment in mitochondrial metabolism was suggested in the Seine flounder population. We confirmed in this study the potential role of two membrane lipids (sphingomyelin and phosphatidylserine) in the resistance towards oxidative stress in Seine and Canche. Finally, we suggest that the Seine flounder population (and possibly the connected Eastern English Channel flounder populations over the French Coast) could be seriously impacted in the future by multistress: higher winter temperatures and chemical contamination.
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Affiliation(s)
- Jennifer Laurent
- LEMAR UMR 6539, CNRS/UBO/IRD/Ifremer, Institut Universitaire Européen de La Mer, Université de Bretagne Occidentale, rue Dumont d'Urville, 29280, Plouzané, France
| | - Edouard Lavergne
- LEMAR UMR 6539, CNRS/UBO/IRD/Ifremer, Institut Universitaire Européen de La Mer, Université de Bretagne Occidentale, rue Dumont d'Urville, 29280, Plouzané, France
| | - Jérôme Couteau
- TOXEM, 12 rue des 4 saisons, 76290, Montivilliers, France
| | | | - Baghdad Ouddane
- LASIRE UMR 8516 CNRS, Equipe Physico-Chimie de L'Environnement, Université de Lille, Bâtiment C8, Bureau 105, 59655, Villeneuve d'Ascq Cedex, France
| | - Jérôme Cachot
- Université de Bordeaux, EPOC UMR 5805 CNRS, Bâtiment B2, Allée Geoffroy Saint-Hilaire, CS 50023, 33615, Pessac Cedex, France
| | - Blandine Davail
- Université de Bordeaux, EPOC UMR 5805 CNRS, Bâtiment B2, Allée Geoffroy Saint-Hilaire, CS 50023, 33615, Pessac Cedex, France
| | - Christelle Clérandeau
- Université de Bordeaux, EPOC UMR 5805 CNRS, Bâtiment B2, Allée Geoffroy Saint-Hilaire, CS 50023, 33615, Pessac Cedex, France
| | - Simon Devin
- Université de Lorraine, LIEC UMR 7360 CNRS, Campus Bridoux, Bâtiment IBISE, rue Claude Bernard, 57070, Metz, France
| | - Cédric Fisson
- GIP Seine-Aval, Hangar C - Espace des Marégraphes, CS 41174, 76176, Rouen Cedex 1, France
| | - Alain Devaux
- ENTPE, LEHNA UMR 5023, USC INRAE 1369, 3 rue Maurice Audin, 69120, Vaulx en Velin, France
| | - Rachid Amara
- Université Littoral Côte d'Opale, Université Lille, CNRS, UMR 8187, LOG, Laboratoire d'Océanologie Et de Géosciences, 32 Avenue du Maréchal Foch, 62930, Wimereux, France
| | - Mamadou Diop
- Université Littoral Côte d'Opale, Université Lille, CNRS, UMR 8187, LOG, Laboratoire d'Océanologie Et de Géosciences, 32 Avenue du Maréchal Foch, 62930, Wimereux, France
| | - Vianney Pichereau
- LEMAR UMR 6539, CNRS/UBO/IRD/Ifremer, Institut Universitaire Européen de La Mer, Université de Bretagne Occidentale, rue Dumont d'Urville, 29280, Plouzané, France
| | - Jean Laroche
- LEMAR UMR 6539, CNRS/UBO/IRD/Ifremer, Institut Universitaire Européen de La Mer, Université de Bretagne Occidentale, rue Dumont d'Urville, 29280, Plouzané, France.
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Albers CN, Jacobsen OS, Bester K, Jacobsen CS, Carvalho PN. Leaching of herbicidal residues from gravel surfaces - A lysimeter-based study comparing gravels with agricultural topsoil. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 266:115225. [PMID: 32795764 DOI: 10.1016/j.envpol.2020.115225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 07/07/2020] [Accepted: 07/08/2020] [Indexed: 06/11/2023]
Abstract
Evidence from the past shows that pesticide use in populated areas may impact groundwater quality. The approval of herbicides such as diflufenican and glyphosate for use on paved and unpaved gravel surfaces in the European Union is based on their behaviour and fate in agricultural soils. However, this might be very different from their fate in gravel surfaces. We therefore conducted an outdoor study with 21 small lysimeters containing different gravel types and a sandy arable topsoil as control. The lysimeters were sprayed with a commercial product for gardening, containing diflufenican and glyphosate. The concentrations of the herbicides and their relevant degradation products in the outlet was followed for 19 months. Diflufenican, glyphosate and AMPA did not leach from any of the lysimeters. However, one diflufenican degradation product (AE-0) leached from two of the gravel types for more than a year and a second degradation product (AE-B) leached from all gravels for up to one year. Concentrations in the leachate peaked at 0.5-3 μg/L, with highest concentrations over the longest periods observed with rock chippings on top of the gravel. We conclude, that the different properties of gravel compared to those of agricultural soils may lead to very different herbicide leaching patterns but also that the leaching depends highly on the type of gravel and type of herbicide.
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Affiliation(s)
- Christian Nyrop Albers
- Department of Geochemistry, Geological Survey of Denmark and Greenland (GEUS), O. Voldgade 10, 1350, Copenhagen, Denmark.
| | - Ole Stig Jacobsen
- Department of Geochemistry, Geological Survey of Denmark and Greenland (GEUS), O. Voldgade 10, 1350, Copenhagen, Denmark
| | - Kai Bester
- Department of Environmental Sciences, Aarhus University, Frederiksborgvej 399, 4000, Roskilde, Denmark; WATEC -Centre for Water Technology, Aarhus University, Ny Munkegade 120, Aarhus, 8000, Denmark
| | - Carsten Suhr Jacobsen
- Department of Environmental Sciences, Aarhus University, Frederiksborgvej 399, 4000, Roskilde, Denmark; WATEC -Centre for Water Technology, Aarhus University, Ny Munkegade 120, Aarhus, 8000, Denmark
| | - Pedro N Carvalho
- Department of Environmental Sciences, Aarhus University, Frederiksborgvej 399, 4000, Roskilde, Denmark; WATEC -Centre for Water Technology, Aarhus University, Ny Munkegade 120, Aarhus, 8000, Denmark
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