Potential human health risks from metals and As via Odontesthes bonariensis consumption and ecological risk assessments in a eutrophic lake

MONFERRÁN M.V.; GARNERO, P.; WUNDERLIN D.A.; BISTONI, M.A.

ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY

ACADEMIC PRESS INC ELSEVIER SCIENCE

Lugar: Amsterdam; Año: 2016 vol. 129 p. 302 - 310

0147-6513

The concentrationofAl,Cr,Fe,Mn,Ni,Cu,Zn,Hg,Sr,Mo,Ag,Cd,PbandAswasanalyzedinwater,sediment, andmuscleof Odontesthes bonariensis from theeutrophicSanRoqueLake(Córdoba-Argenti-na). Themonitoringcampaignwasperformedduringthewet,dryandintermediateseason.Thecon-centration ofCr,Fe,Pb,Zn,AlandCdinwaterexceededthelimitsconsideredashazardousforaquaticlife. Thehighestmetalconcentrationswereobservedinsediment,intermediateconcentrations,in fishmuscle, andthelowestinwater,withtheexceptionofCr,Zn,AsandHg,whichwerethehighestin fishmuscle. PotentialecologicalriskanalysisofheavymetalconcentrationsinsedimentindicatedthattheSan RoqueLakeposedalowecologicalriskinallsamplingperiods.The targethazardquotients(THQs)andcarcinogenicrisk(CR)forindividualmetalsshowedthatAsinmuscle wasparticularlyhazardous,posingapotentialriskfor fishermen andthegeneralpopulationduring allsamplingperiods.Hgposesapotentialriskfor fishermen onlyintheintermediateseason.Itisimportant tohighlightthatnoneofthesetwoelementsexceededthelimitsconsideredashazardousforaquaticlifeinwaterandsediment.Thisresultprovestheimportanceofperformingmeasurementsofcontaminants, inbothabioticandbioticcompartments,toassessthequalityoffoodresources.Theseresults suggestthattheconsumptionofthis fish speciesfromthisreservoirisnotcompletelysafeforhuman health.