The 6th Oil-spill studies and ISDAMP Final conference 11
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The 6th Oil-spill studies and ISDAMP Final conference 11
Multibiomarker approach under chronic & acute pollution conditions : a realistic measure of environmental quality of the littoral Atlantic coast & the La Rochelle Marina Marine Breitwieser, Angélique Fontanaud, Valérie Huet, Hélène Thomas-Guyon © Julien Chauvet – Ville de La Rochelle The 6th Oil-spill studies and ISDAMP Final conference 11 March 2015 Coastals areas Environment of land-ocean interface Hydrosystem communication (watershed soil nearshores) Abundant and diverse marine communities Scallops, mussels, oyters… Impacted by water contamination Environmental pollutions In the littoral zones Source: Julien Chauvet Contamination Oil pollution PCB Phytosanitaries… Heavy metals Source: http://www.rtflash.fr Source: http://www.growswitch.com Chronic pollution Source: http://www.futura-sciences.com/ RISPECT project (1) Chronic pollution conditions Evaluation of the quality of aquatic environment Mimachlamys varia Approach of multi-biomarkers Study of the impacts of the environment PEPS RISPECT (RISques d'une contamination chimique chronique et conséquences chez le bivalve PECTinidae Chlamys varia en milieu côtier) Correlations biomarkers /pollutants RISPECT project (2) Four sites Pertuis Charentais1-3 - “Reference” site : Loix en Ré - Water-treatment plant & Harhour : Port Neuf - Marina & Expulsion of dred : Les Minimes - Charente estuary : Les Palles N Loix Port-Neuf Les Minimes 10 km Chlamys varia, http://www.joc123.webspace.virginmedia. com 1-2: Bustamante and Miramand, 2004, 2005, 3: Milinkovitch et al., 2015 Les Palles RISPECT Results (3) Biological parameters1 : Enzymes (3) & Metabolite (1) • LDH – Laccase : (+++) Charente estuary • GST - MDA : (+++ ) Marina Health status of organisms is affected Modulation of Biological parameters (3 sites) • LDH, Laccase Charente estuary (Pesticides) • GST MDA Harbour area (Heavy metal & Oil pollution) 1: T.Milinkovitch et al., 2015 RISPECT Results (4) Correlations Biomarkers/Contaminants GST LDH Po-Lac Ag As Cd Co Cr Cu Fe Mn Ni - - - - - - <0,1 <0,05 - <0,01 <0,05 - - <0,05 - - Pb Se Sn V Zn - <0,01 <0,1 - - <0,01 <0,1 <0,05 - - <0,1 - - - - - - - - - - - - - <0,05 <0,05 <0,1 - - - - - - - - - <0,05 - - - Inorganic <0,05 significative corrélation pvalue <0,05 <0,1 significative corrélation pvalue <0,1 Oil pollution and polychlorobiphenyles MDA Pesticides MDA GST LDH hexachlorobenzene <0,05 aldrine metolachlore isodrine 24dde 44dde dieldrine endrine naphtalene benzothiophene acenaphtylene <0,1 acenaphtene <0,1 fluorene <0,1 Phenanthrene <0,1 anthracene <0,1 fluoranthene <0,1 pyrene benzoaanthracene chrysene benzobfluoranthene benzoepyrene benzoapyrene perylene PCB153 PCB138 PCB180 Po-Lac - - - - - - - - - - - - - - - - - - - <0,05 - - - - - - - - - - <0,1 - - - - - - - - - - - - - - - - - - - - - - <0,1 - - - Organic - - - - <0,1 - - <0,1 - - - - - <0,05 - <0,1 <0,05 - - RISPECT Results (4) MDA GST LDH Lac Ag - - - - As - - <0,1 <0,05 Cd - <0,01 <0,05 - Co - <0,05 - - Cr - <0,01 <0,1 - Cu - <0,01 <0,1 <0,05 Fe - - <0,1 - Mn - - - - Ni - - - - Pb - - - - Se - <0,05 <0,05 <0,1 Sn - - - - V - - - - Zn - <0,05 - Inorganic - <0,05 : significative corrélation pvalue <0,05 <0,1 : significative corrélation pvalue<0,1 Enzymes (3) GST MDA Lac Correlations Biomarkers/ INORGANIC Contaminants Heavy metals Cd Co Cr Cu Se Zn RISPECT Results (4) Correlations Biomarkers /ORGANIC Contaminants HAP Pesticide PCB… mareesnoires.e-monsite.com Scallop Environemental Sentinel Specie <0,05 : significative corrélation pvalue <0,05 <0,1 : significative corrélation pvalue <0,1 Oil pollution Biological parameters (4) Pesticides MDA GST LDH hexachlorobenzene <0,05 aldrine metolachlore isodrine 24dde 44dde dieldrine endrine naphtalene benzothiophene acenaphtylene <0,1 acenaphtene <0,1 fluorene <0,1 Phenanthrene <0,1 anthracene <0,1 fluoranthene <0,1 pyrene benzoaanthracene chrysene benzobfluoranthene benzoepyrene benzoapyrene perylene PCB153 PCB138 PCB180 Po-Lac - - - - - - - - - - - - - - - - - - - <0,05 - - - - - - - - - - <0,1 - - - - - - - - - - - - Organic - - - - - - - - - - - <0,1 - - - - - <0,1 - - <0,1 - - - - - <0,05 - <0,1 <0,05 - - La Rochelle MARINA project (1) Study in semi-open environment (Six Sites & Three species) •Dessalure = 1 •Treatment of fairing = 3 •Fuel (new) = 5 3 •Fuel (old) = 6 5 •Release of dredging = Semaphore BDM •Control : Loix en Ré Scallops, M. varia 6 1 BDM 3 species Mussels, M.edulis Oysters, C. gigas Quantification of contaminants & Mesure of biological parameters (4) Determination of a harbour pertinent specie to check the water quality GST = oil pollution specific La Rochelle MARINA project (3) NO SIGNAL ! * Preliminary results 2020 … Missing after the other results Scallop aims towards the best specie La Rochelle MARINA project (4) 3 • Evaluate system water treatment System put in place since 2 years • Analyses and waters sediments • Dredging To follow & to check the Quality of Environment in harbour area Water treatment pond of fairing, La Rochelle Marina 60 years Thank you for your attention 70 years 2000 years Littoral Atlantic Coast & La Rochelle Marina Evolution Thanks to: Frédéric Muttin Hélène Thomas-Guyon Angélique Fontanaud Bertrand Moquay Valérie Huet Armelle Combaud Thierry Guyot Stéphane Le Floch Marianne Graber Nicolas Lachaussée Philippe Pineau Philippe Rouger
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