ORIGINAL RESEARCH
Contamination and Ecological Risk Assessment
of Heavy Metals in Surface Sediments
of the Munzur Stream, Turkey
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Fisheries Science, Munzur University, TR62000 Tunceli, Turkey
Submission date: 2022-01-28
Final revision date: 2022-06-29
Acceptance date: 2022-09-17
Online publication date: 2022-12-19
Publication date: 2023-01-12
Corresponding author
Banu Kutlu
munzur university, munzur university fisheries faculty, 62, tunceli, Turkey
Pol. J. Environ. Stud. 2023;32(1):587-597
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ABSTRACT
The aim of the present study is to determine the heavy metal concentrations in the surface sediment
between 2019-2020 in Munzur Stream,Turkey. The impact of pollution level in the study area was
evaluated by geoaccumulation index (Igeo), Contamination Factor (CF), enrichment factor (EF),
pollution ecological risk (PER) index, and pollution load index (PLI). The average amount of heavy
metals detected in sediment in the study in mg/kg was, in descending order, Fe>Al>Mn>Ni>Cr>Zn
>Cu>Pb>Cd>Hg. The data evaluated by several statistical methods indicated that the metals with
a positive relationship between them in the Pearson correlation analysis and the elements of the same
factor in the factor analysis were mostly the same. The comparison of the results with the sediment
quality criteria showed that only the mean value of Mn and Ni exceeded the values of PEL. Heavy metal
levels in Munzur Stream sediment exposed to domestic and agricultural wastes, agricultural fertilizers
and pesticides, and mines were not high enough to pose a threat to aquatic life