Campillo-González, J.A. (Juan Antonio)

León, V.M. (Víctor Manuel)

Martínez-Gómez, C. (Concepción)

Moreno-González, R. (Rubén)

English

León, Víctor Manuel

Moreno-González, Rubén

Martínez-Gómez, Concepción

Campillo-González, Juan Antonio

Digital.CSIC

Vertical distribution of legacy and current used pesticides in marine interstitial water from eight Iberian Mediterranean areas.

Repositorio Institucional Digital del IEO

VERTICAL DISTRIBUTION OF LEGACY AND CURRENT USED PESTICIDES IN                 MARINE INTERSTITIAL WATER FROM EIGHT IBERIAN MEDITERRANEAN AREAS               V M León Moreno González R Martínez Gómez C J A Campillo. . , - , ., - , ., . . Instituto Español de Oceanografía Centro Oceanográfico de Murcia C/ Varadero 1 San Pedro del Pinatar 30740 Murcia (Spain) ,   ,  ,    ,   .E-mail: victor.leon@mu.ieo.es INTRODUCTION Organochlorinated and current used pesticides (CUPs: organophosphorus pesticides, triazines and others) concentrations were determined in interstitial water of sedimentcores from eight Iberian Mediterranean coastal areas (Barcelona Tarragona Ebro Delta Valencia Castellón Cartagena Almería and Málaga) This matrix was selected due, , , , , , .to their relevance in the bioavailability of the chemical pollutants particularly for demersal species, .MATERIAL AND METHODS  FRANCEPESTICIDE ANALYSISSTUDY AREA AND SAMPLING PROCEDURE      SAMPLING EXTRACTION METHOD AND ANALYSISBarcelonaTwo campaigns were carried out: autumn 2007 and 2008EbroDeltaTarragona. CUPs analysis in interstitial water was performed by stirSPAIN 3-5 Sediment cores were sampled with box corer per point bar sorptive extraction (SBSE) coupled to GC/MS (MorenoCastellónand area-ValenciaJúcar River . González et al., 2013). Slides SAMPLE TREATMENTSlides (1 cm thick): 0-1,1-2, 2-3,3-4,5-6,8-9,12-13,16-17 cm This method was validated for 17 organochlorinated       pesticides (OCPs) 17 organophosphorus pesticides,CartagenaInterstitial water was obtained by centrifugation and each (OPPs), 13 triazines, 10 different insecticides and         samples from every site and depth were pooled fungicides and tributhylphosphateAlmería BayMálaga Bay       . .RESULTS AND DISCUSSION  PRESENCE OF PESTICIDES IN INTERSTITIAL WATER     Considering all studied areas 36 compounds were detected in interstitial water: 8 OCPs (-endosulfan, p,p’-DDE, alachlor, HCB, lindane, -HCH, isodrin and endrin), 12triazines (simazine atraton secbumeton propazine atrazine terbutryn prometon simetryn terbuthylazine terbuthylazine desethyl ametryn and terbumeton) 10 OPPs, , , , , , , , , - , ,(diazinon, etoprophos, chlorpyrifos, fenchlorphos, disulfoton, tokuthion, trichloronate, m-parathion, chlorpyrifos-methyl and chlorfenvinphos) and 6 different pesticides andadditives (tributhylphosphate procymidone propyzamide pendimethalin chlorthal dimethyl and propoxur)  endosulfan p p’ DDE m parathion tributhylphosphate, , , , - . - , , - , - , ,procymidone and propyzamide were found in all areas.VERTICAL DISTRIBUTION OF PESTICIDES IN INTERSTITIAL WATER      TARRAGONA EBRO DELTABARCELONA  Vertical legacy and current usedProcymidone (ng/L) -endosulfan (ng/L) Procymidone (ng/L)Propyzamide (ng/L)HCB (ng/L)m-parathion (ng/L)00 20 40 60 80 10000 20 40 60 8000 10 20 30 40 5000 2 4 6 800 50 100 15000 10 20 30 40 50pesticides distribution ininterstitial water were nothomogeneous, maximum55 5555concentrations were foundmainly in upper layers and am)m)m)m)m)m)sharp concentration decrease10h (cm10h (cm10h (cm10h (cm10h (cm07TA8B10h (cm07TA8BDepth07BA14C07BA4CDepth07BA14C07BA4C Depth07DE16BDepth07DE16BDepth07TA10B07TA12ADepth07TA10B07TA12Awas observed at deeper layers for07BA2A07BA2A 07DE2B07DE2B07TA5B07TA5Bthe majority of compounds7TA6A7TA6A.1515 15151515Th l i f 3 diff te ana ys s o eren coresper area have also confirmed theti l i bilit2020 20202020spa a var a y per area,probably related with theCASTELLÓN CARTAGENA BAYVALENCIAdi i d se ment propert es anPropyzamide (ng/L)Tribuhylphosphate (ng/L) Tributhylphosphate (ng/L)Procymidone (ng/L) Procymidone (ng/L)Tributhylphosphate (ng/L)hydrodynamic of each sampling00 10 20 3000 100 200 300 40000 50 100 150 20000 20 40 60 8000 20 40 6000 100 200 300 400ipo nt.22 22 33 The vertical distribution observedfor many of the studied4407VA12C07VA4Bcompounds have confirmed CUPsm) 07CST207CS1Cm) 07CST207CS1C4m)07VA6C07VA15A4m)6m)6m)presence in continental shelfpth (c07CS11Bpth (c07CS11Bth (cmth (cm07VA12C th (cm07CT3Bth (cm07CT3B6Dep6DepDeptDep07VA4B Dept07CT5BDept07CT5Bsediments and their capacity to66 07VA6C07VA15A 9 07CT13C07CT19A9 07CT13C07CT19Adiffuse through the interstitialwater to deeper layers,88 88 1212depending on sedimentproperties (TOC, granulometry,1010 1010 1515etc )ALMERÍA BAY MÁLAGA BAY . .  Chlorthal dimethyl (ng/L)m-parathion (ng/L) Procymidone (ng/L)a-endosulfan (ng/L)CONCLUSIONS0 2 4 6 8 10 120 10 20 30 4000 20 40 60 80 10000 20 40 60 80 10000Triazines organochlorinated pesticides organophosphorus and other, ,3355pesticides were found in interstitial water of the study areas. The totalnumber of pesticides found per each area varied from 6 to 17 compounds.6)6m) m)m)Procymidone and propyzamide were found in all areas at concentrationsh (cmh (cm10th (cm10th (cmbelow 100 ng L-1 Other commonly detected compounds were endosulfanDepthDepth08AL2A08AL5BDept08MA108MA4Dept08MA108MA4 . - ,9 08AL2A08AL5B908AL11A 08MA608MA6m-parathion, alachlor, chlortal dimethyl, simetryn and propyzamide. Overall08AL11Athe concentrations of CUPs decreased with depth in the considered areas1515.1212However, the presence of some legacy pesticides, such as p,p’-DDE wasmostly detected in deeper layers These data confirm the presence of.1515 2020organochlorinated and current-use pesticides in continental platformACKNOWLEDGEMENTS di t d t th f i t ti l t i di t f thise men s an suppor e use o n ers ca wa er as an n ca or o smore bioavailable fraction, particularly for demersal species.This work was supported by the Spanish Ministry of Environment (2-ESMARME and 2-2-ESMARME projects) the Spanish Inter Ministerial Science and Technology Commission, - REFERENCESthrough the ‘IMPACTA’ (CICYT, CTM2013-48194-C3-1-R) project and the European Unionthrough the European Regional Development Fund (ERDF) •Moreno-González, R., Campillo, J.A., León, V.M. 2013. Marine Pollution .Bulletin, 77, 400-411.  

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Vertical distribution of legacy and current used pesticides in marine interstitial water from eight Iberian Mediterranean areas.

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