Variations, health risks, pollution status and possible sources of dissolved toxic metal(loid)s in stagnant water bodies located in an intensive agricultural region of Turkey

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dc.authorid0000-0001-6475-0570en_US
dc.contributor.authorTokatlı, Cem
dc.contributor.authorVarol, Memet
dc.date.accessioned2021-08-17T20:35:59Z
dc.date.available2021-08-17T20:35:59Z
dc.date.issued2021en_US
dc.departmentMTÖ Üniversitesi, Doğanşehir Vahap Küçük Meslek Yüksekokulu, Su Ürünleri Bölümüen_US
dc.description.abstractThere are many reservoirs, ponds and lakes in the Meriç-Ergene River Basin (Turkey), which is an intensive agricultural region. Since agrochemicals are extensively applied to the agricultural soils in the basin, these water bodies may be contaminated with toxic metal (loid)s (TMs). However, no study has been conducted to determine TM levels in the water bodies. In this study, levels of seven TMs (Cr, As, Cu, N, Zn, Cd and Pb) in surface water samples taken from 25 different stagnant water bodies (11 reservoirs, 12 ponds and 2 lakes) in the dry and wet seasons were measured and compared with water quality guidelines. In addition, spatial and seasonal variations, health risks, pollution status and possible sources of TMs were assessed. The mean As concentration of the lakes was significantly higher due to drainage water from paddy fields. The ponds had higher total mean TM concentration likely due to their low water volume. Surface runoff from rainfall caused the Cr, Zn, Cd, Pb and Cu concentrations to increase in the wet season. Only the mean As concentration of the lakes in the dry season was above the drinking water standards. Metal pollution indices showed low contamination of the water bodies in both seasons. Health risk indices indicated that As in the lakes in the dry season via ingestion exposure pathway may pose both non-carcinogenic and carcinogenic health risks to the residents. The results of factor and correlation analyses showed that among the studied TMs, only As originated from anthropogenic sources. The findings of this study revealed that agricultural activities caused As pollution in the lakes, while the reservoirs and ponds were not significantly affected by agricultural activities. We suggest that the levels of TMs in all water bodies should be measured at regular intervals to check the quality of surface water.en_US
dc.identifier.citationTokatlı, C., & Varol, M. (2021). Variations, health risks, pollution status and possible sources of dissolved toxic metal (loid) s in stagnant water bodies located in an intensive agricultural region of Turkey. Environmental Research, 111571.en_US
dc.identifier.doi10.1016/j.envres.2021.111571
dc.identifier.endpage9en_US
dc.identifier.issn0013-9351en_US
dc.identifier.pmid34174257
dc.identifier.scopus2-s2.0-85108638636en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage1en_US
dc.identifier.urihttps://doi.org/10.1016/j.envres.2021.111571
dc.identifier.urihttps://hdl.handle.net/20.500.12899/328
dc.identifier.volume201en_US
dc.identifier.wosWOS:000703869900003en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorVarol, Memet
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofEnvironmental Researchen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAgrochemicalsen_US
dc.subjectToxic metal(loid)sen_US
dc.subjectStagnant water bodiesen_US
dc.subjectHealth risksen_US
dc.subjectFactor analysisen_US
dc.titleVariations, health risks, pollution status and possible sources of dissolved toxic metal(loid)s in stagnant water bodies located in an intensive agricultural region of Turkeyen_US
dc.typeArticleen_US

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