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The assessment of metal contamination in water and sediments of the lowland Ilova River (Croatia) impacted by anthropogenic activities

Mijošek, Tatjana; Filipović Marijić, Vlatka; Dragun, Zrinka; Ivanković, Dušica; Krasnići, Nesrete; Redžović, Zuzana; Sertić Perić, Mirela; Vdović, Neda; Bačić, Niko; Dautović, Jelena; Erk, Marijana (2020) The assessment of metal contamination in water and sediments of the lowland Ilova River (Croatia) impacted by anthropogenic activities. Environmental Science and Pollution Research, 27 . pp. 25374-25389. ISSN 0944-1344

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The aim of the present study was to assess physico-chemical water parameters, granulometric sediment characteristics and concentrations of trace and macro elements in the water and sediments of the Ilova River. Samplings were conducted at three sampling sites (near villages Maslenjača, Ilova and Trebež) along the Ilova River, differing in the source and intensity of the anthropogenic influence.This study indicated disturbed environmental conditions, most pronounced in the downstream part of the river (Trebež village) impacted by the activity of fertilizer factory. Water from the Ilova and Maslenjača villages was of good quality, whereas COD, nitrates and phosphates exceeded the good quality levels in Trebež village. Trace and macro element concentrations in water were mostly below thresholds set by environmental quality standards at all locations, but levels of Al, As, Cd and Ni were few times higher in Trebež village than at other locations. Metal contamination assessment of sediments (trace and macro elements concentrations, contamination and enrichment factor, pollution load index) confirmed deteriorated environmental quality in Trebež village. However, the overall assessment performed in this study revealed that anthropogenic impact was still not particularly strong in the Ilova River ecosystem. Nevertheless, the observed water and sediment characteristics serve as a warning and suggest that stricter protection measures should be initiated, including continuous monitoring and comprehensive quality assessment of the downstream part of the Ilova River, especially because it is a part of the protected area of the Lonjsko Polje Nature Park.

Item Type: Article
Additional Information: The financial support by the Croatian Science Foundation, within the project "Accumulation, subcellular mapping and effects of trace metals in aquatic organisms" AQUAMAPMET (IP-2014-09-4255) is gratefully acknowledged.
Uncontrolled Keywords: environmental quality of water and sediment ; trace elements ; macroelements ; metal exposure ; monitoring ; wastewaters ; Ilova River
Subjects: NATURAL SCIENCES > Chemistry
NATURAL SCIENCES > Interdisciplinary Natural Sciences
NATURAL SCIENCES > Interdisciplinary Natural Sciences > Environmental Science
Divisions: Division for Marine and Enviromental Research
Project titleProject leaderProject codeProject type
Akumulacija, unutarstanično mapiranje i učinci metala u tragovima u akvatičkih organizama-AQUAMAPMETMarijana ErkIP-2014-09-4255HRZZ
Depositing User: Tatjana Mijošek
Date Deposited: 04 Sep 2020 10:35
DOI: 10.1007/s11356-020-08926-7

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