Search results for: Marielle Thomas

Items from 1 to 20 out of 25 results

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Stronger together: A workflow to design new fish polycultures

Thomas Lecocq, Nellya Amoussou, Joël Aubin, Grégoire Butruille, more

Reviews in Aquaculture > 16 > 3 > 1374 - 1394

Polyculture is a relevant practice for improving the sustainability of aquaculture, which raises interest in implementing it in a variety of production systems. However, polyculture is a complex approach that can result not only in complementarity among species but also competition among them and animal welfare issues. Potential polyculture benefits can be expected provided that compatibility and...

article

When more is more: taking advantage of species diversity to move towards sustainable aquaculture

Marielle Thomas, Alain Pasquet, Joël Aubin, Sarah Nahon, more

Biological Reviews > 96 > 2 > 767 - 784

Human population growth has increased demand for food products, which is expected to double in coming decades. Until recently, this demand has been met by expanding agricultural area and intensifying agrochemical‐based monoculture of a few species. However, this development pathway has been criticised due to its negative impacts on the environment and other human activities. Therefore, new production...

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Using stable isotope approach to quantify pond dam impacts on isotopic niches and assimilation of resources by invertebrates in temporary streams: a case study

Brian Four, Marielle Thomas, Michael Danger, Nicolas Angeli, more

Hydrobiologia > 2019 > 834 > 1 > 163-181

Fishponds built across streams can greatly affect their functioning, especially through loss of ecological continuity but also changes in water availability and trophic resources. Yet, their consequences on communities and stream functioning remain largely understudied. We investigated effects of fishpond dams on the trophic ecology of macroinvertebrate communities in temporary low-order streams using...

article

Fishpond dams affect leaf‐litter processing and associated detritivore communities along intermittent low‐order streams

Brian Four, Marielle Thomas, Evelyne Arce, Aurélie Cébron, more

Freshwater Biology > 62 > 10 > 1741 - 1755

Intermittent streams are common and widespread freshwater ecosystems globally. While dams greatly affect the ecology of permanent streams, the extent of their effects on intermittent streams remains largely unknown. The physical and chemical alterations induced by dams could have particularly strong impacts on the functioning of intermittent low‐order streams, especially due to the limitations...

article

Catchment land use-dependent effects of barrage fishponds on the functioning of headwater streams

Brian Four, Evelyne Arce, Michaël Danger, Juliette Gaillard, more

Environmental Science and Pollution Research > 2017 > 24 > 6 > 5452-5468

Extensive fish production systems in continental areas are often created by damming headwater streams. However, these lentic systems favour autochthonous organic matter production. As headwater stream functioning is essentially based on allochthonous organic matter (OM) supply, the presence of barrage fishponds on headwater streams might change the main food source for benthic communities. The goal...

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Influence of waterborne gallic and pelargonic acid exposures on biochemical and reproductive parameters in the zebrafish (Danio rerio)

Didier Techer, Sylvain Milla, Pascal Fontaine, Sandrine Viot, more

Environmental Toxicology > 32 > 1 > 227 - 240

Gallic and pelargonic acids are biologically derived substances receiving a growing interest as eco‐friendly biocides with potential applications in freshwater system management. However, some data gaps remain to address their chronic ecotoxicity issue, particularly for fish. This work aimed at investigating the sublethal effects of a long‐term waterborne exposure of zebrafish to these compounds....

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Barrage fishponds: Reduction of pesticide concentration peaks and associated risk of adverse ecological effects in headwater streams

Juliette Gaillard, Marielle Thomas, Alain Iuretig, Christelle Pallez, more

Journal of Environmental Management > 2016 > 169 > C > 261-271

Constructed wetlands have been suggested as pesticide risk mitigation measures. Yet, in many agricultural areas, ponds or shallow lakes are already present and may contribute to the control of non-point source contamination by pesticides. In order to test this hypothesis, we investigated the influence of extensively managed barrage fishponds (n = 3) on the dissolved concentrations of 100 pesticides...

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Allelopathic potential and ecotoxicity evaluation of gallic and nonanoic acids to prevent cyanobacterial growth in lentic systems: A preliminary mesocosm study

Didier Techer, Pascal Fontaine, Aline Personne, Sandrine Viot, more

Science of The Total Environment > 2016 > 547 > C > 157-165

The increase in anthropogenic nutrient loading affecting many freshwater ecosystems combined with global warming may lead to cyanobacterial blooms on an increasingly frequent basis. Among the various physicochemical and biological methods which have been proposed to rapidly control blue-green algae growth, the use of plant-derived substances such as allelochemicals has gained great interest as an...

article

Potential of barrage fish ponds for the mitigation of pesticide pollution in streams

Juliette Gaillard, Marielle Thomas, Angélique Lazartigues, Bénilde Bonnefille, more

Environmental Science and Pollution Research > 2016 > 23 > 1 > 23-35

Barrage fishponds may represent a significant surface water area in some French regions. Knowledge on their effect on water resources is therefore necessary for the development of appropriate water quality management plans at the regional scale. Although there is much information on the nutrient removal capacity of these water bodies, little attention has been paid to other agricultural contaminants...

article

Acute toxicity and sublethal effects of gallic and pelargonic acids on the zebrafish Danio rerio

Didier Techer, Sylvain Milla, Pascal Fontaine, Sandrine Viot, more

Environmental Science and Pollution Research > 2015 > 22 > 7 > 5020-5029

Gallic and pelargonic acids are naturally found in a variety of plants and food products. Despite their extensive use in man-made applications, little is known regarding their potential risks to aquatic vertebrates. The aim of this work was to assess the acute toxicity of these polyphenolic and fatty acid compounds to the zebrafish. In order to get insights into sublethal effects, the enzyme...

article

Bioavailability and bioaccumulation of sediment‐bound polychlorinated biphenyls to carp

Juliette Gaillard, Damien Banas, Marielle Thomas, Agnès Fournier, more

Environmental Toxicology and Chemistry > 33 > 6 > 1324 - 1330

The relative bioavailability of sediment‐bound polychlorinated biphenyls (PCBs 138, 153, and 180) from a local contaminated site was examined using an in vivo carp model. Surface sediment from the PCB‐contaminated site and spiked canola oil containing equivalent masses of PCBs were respectively incorporated in the sediment‐dosed diets and oil‐dosed diets at 3 dose levels resulting in 6 experimental...

article

Accumulation and half-lives of 13 pesticides in muscle tissue of freshwater fishes through food exposure

Angélique Lazartigues, Marielle Thomas, Damien Banas, Jean Brun-Bellut, more

Chemosphere > 2013 > 91 > 4 > 530-535

Fish are often exposed to various molecules like pesticides. Some of these compounds get biomagnified within aquatic food web, inducing health hazards of consumers. However, behaviors of many pesticides are still unknown. This work aims to study the uptake and the elimination of some of them in muscle tissue of edible fish (azoxystrobin, clomazone, diflufenican, dimethachlor, carbendazim, iprodion,...

article

Catalasic activity in fish liver: improvement of the UV to visible analytic method

Séverine Paris-Palacios, Laurence Delahaut, Alexis Carreras, Marielle Thomas, more

Fish Physiology and Biochemistry > 2013 > 39 > 4 > 957-966

Antioxidative defenses and more especially catalasic activity (CAT) are studied in a large range of scientific research thematics. In environmental sciences, the problematic of oxidative stress is of great interest as pollutants can induce perturbations of redox homeostasis. Consequently, changes in antioxidative defenses levels in fish tissues and particularly in liver are used as potential biomarkers...

article

Pesticide pressure and fish farming in barrage pond in Northeastern France. Part II: residues of 13 pesticides in water, sediments, edible fish and their relationships

Angélique Lazartigues, Marielle Thomas, Cécile Cren-Olivé, Jean Brun-Bellut, more

Environmental Science and Pollution Research > 2013 > 20 > 1 > 117-125

Residues of pesticides in fish farming productions from barrage ponds are seldom studied in spite of increasing health questionings and environmental concerns. The purpose of this study is to establish the pesticide contamination profiles of sediments and edible fish from five ponds in Northeastern France. Multi-residues method and liquid chromatography–tandem mass spectrometry analysis were used...

article

Pesticide pressure and fish farming in barrage pond in northeastern France. Part III: how management can affect pesticide profiles in edible fish?

Angélique Lazartigues, Damien Banas, Cyril Feidt, Jean Brun-Bellut, more

Environmental Science and Pollution Research > 2013 > 20 > 1 > 126-135

Purpose The quality of fish produced in ponds needs to be ensured. Indeed, pond is often strongly connected to an agricultural watershed, and pesticides are a main health and environmental issue of concern. In this context, the purpose of this study is to highlight the management practices which could impact the pesticide contamination profiles in edible fish and to give recommendations for better...

article

Organochlorine pesticides and polychlorinated biphenyls in sediments and fish from freshwater cultured fish ponds in different agricultural contexts in north-eastern France

Marielle Thomas, Angélique Lazartigues, Damien Banas, Jean Brun-Bellut, more

Ecotoxicology and Environmental Safety > 2012 > 77 > Complete > 35-44

Organochlorine pesticides (HCB, HCH with α-, β-, and γ isomers, heptachlor, cis-heptachlor epoxyde, trans-heptachlor epoxyde, endosulfan with α- and β isomers, sulfate endosulfan, o,p′-DDT, p,p′-DDT, o,p′-DDE, p,p′-DDE, o,p′-DDD, p,p′-DDD, chlorothalonil, alachlor, aldrin, dieldrin, methoxychlor, oxychlordane, chlordane with α- and γ isomers, p,p′-dicofol and o,p′-dicofol) and indicators PCBs (IUPAC...

article

Pesticide pressure and fish farming in barrage pond in Northeastern France Part I: site characterization and water quality

Angélique Lazartigues, Damien Banas, Cyril Feidt, Jean Brun-Bellut, more

Environmental Science and Pollution Research > 2012 > 19 > 7 > 2802-2812

Purpose Fish farming in barrage pond is a rearing system commonly used worldwide. Obtaining good water quality is essential to improve sustainability of these ecosystems, both for health of fish consumers and environmental considerations. However, ponds are often located in agricultural landscape, but few study reports impact of pesticide pressure on these ecosystems. This study characterizes five...

article

Multiresidue method for the determination of 13 pesticides in three environmental matrices: water, sediments and fish muscle

Angélique Lazartigues, Cédric Fratta, Robert Baudot, Laure Wiest, more

Talanta > 2011 > 85 > 3 > 1500-1507

Pesticides residues in aquatic ecosystems are an environmental concern which requires efficient analytical methods. In this study, we proposed a generic method for the quantification of 13 pesticides (azoxystrobin, clomazone, diflufenican, dimethachlor, carbendazim, iprodion, isoproturon, mesosulfuron-methyl, metazachlor, napropamid, quizalofop and thifensulfuron-methyl) in three environmental matrices...

article

Polycyclic aromatic hydrocarbons and hydroxylated metabolites in the muscle tissue of Eurasian perch (Perca fluviatilis) through dietary exposure during a 56-day period

Angélique Lazartigues, Marielle Thomas, Christine Grandclaudon, Jean Brun-Bellut, more

Chemosphere > 2011 > 84 > 10 > 1489-1494

Eurasian perch (Perca fluviatilis) was exposed trophically to phenanthrene, pyrene and benzo[a]pyrene. Accumulation kinetics in the muscle tissue of parent PAHs and hydroxylated metabolites were established for 56days at 3 levels of exposure (0, 100 and 500μg/kg BW). Benzo[a]pyrene and 3-hydroxy-benzo[a]pyrene were not detected in the muscles. During exposure, there was an increase in phenanthrene,...

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Multiresidue method to quantify pesticides in fish muscle by QuEChERS-based extraction and LC-MS/MS

Angélique Lazartigues, Laure Wiest, Robert Baudot, Marielle Thomas, more

Analytical and Bioanalytical Chemistry > 2011 > 400 > 7 > 2185-2193

Pesticide residues in fish muscle are an environmental and a health safety concern which requires analytical methods presenting high sensitivity and low limits of quantification. In this study, adapted QuEChERS method, coupled to liquid chromatography tandem mass spectrometry (Scheduled MRM-5500 QTRAP), was developed to quantify 13 pesticides (azoxystrobin, clomazone, diflufenican, dimethachlor, carbendazim,...

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INFONA - science communication portal

Search results for: Marielle Thomas

Stronger together: A workflow to design new fish polycultures

When more is more: taking advantage of species diversity to move towards sustainable aquaculture

Using stable isotope approach to quantify pond dam impacts on isotopic niches and assimilation of resources by invertebrates in temporary streams: a case study

Fishpond dams affect leaf‐litter processing and associated detritivore communities along intermittent low‐order streams

Catchment land use-dependent effects of barrage fishponds on the functioning of headwater streams

Influence of waterborne gallic and pelargonic acid exposures on biochemical and reproductive parameters in the zebrafish (Danio rerio)

Barrage fishponds: Reduction of pesticide concentration peaks and associated risk of adverse ecological effects in headwater streams

Allelopathic potential and ecotoxicity evaluation of gallic and nonanoic acids to prevent cyanobacterial growth in lentic systems: A preliminary mesocosm study

Potential of barrage fish ponds for the mitigation of pesticide pollution in streams

Acute toxicity and sublethal effects of gallic and pelargonic acids on the zebrafish Danio rerio

Bioavailability and bioaccumulation of sediment‐bound polychlorinated biphenyls to carp

Accumulation and half-lives of 13 pesticides in muscle tissue of freshwater fishes through food exposure

Catalasic activity in fish liver: improvement of the UV to visible analytic method

Pesticide pressure and fish farming in barrage pond in Northeastern France. Part II: residues of 13 pesticides in water, sediments, edible fish and their relationships

Pesticide pressure and fish farming in barrage pond in northeastern France. Part III: how management can affect pesticide profiles in edible fish?

Organochlorine pesticides and polychlorinated biphenyls in sediments and fish from freshwater cultured fish ponds in different agricultural contexts in north-eastern France

Pesticide pressure and fish farming in barrage pond in Northeastern France Part I: site characterization and water quality

Multiresidue method for the determination of 13 pesticides in three environmental matrices: water, sediments and fish muscle

Polycyclic aromatic hydrocarbons and hydroxylated metabolites in the muscle tissue of Eurasian perch (Perca fluviatilis) through dietary exposure during a 56-day period

Multiresidue method to quantify pesticides in fish muscle by QuEChERS-based extraction and LC-MS/MS

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