Heavy Metal Contamination Status and Risk Assessment in Surface Sediments of Köyceğiz Lagoon Estuary System (KLES) (South-West Anatolia)

Yıl 2022, , 109 - 120, 01.03.2022

Murat Yabanlı , Aykut Yozukmaz , İdris Şener , Tülin Çoker , Hatice Hasanhocaoğlu Yapıcı , Esra Çetin-kasa

https://doi.org/10.22392/actaquatr.993135

Öz

This study reports the presence of heavy metals (Cr, Ni, Cu, Cd, Pb) in the sediment and water column in the Köyceğiz Lagoon Estuary System (KLES) (South-West Anatolia). The mean heavy metal concentrations (µg L-1) in the water were found as Cr: 3.72-8.36, Ni: 6.51-9.48, Cu: 1.29-11.88, Cd: ND-0.08, Pb: ND-0.34. The heavy metal concentrations in water samples were found to be below the internationally acceptable limits. The mean heavy metal concentrations (mg kg-1) in the sediment were found as Cr: 1.75-4.25, Ni: 5.24-12.69, Cu: 0.25-0.51, Cd: <0.01, Pb: 0.04-0.13. As a result of the analyses conducted concerning contamination factor (CF), geo-accumulation index (Igeo), pollution load index (PLI), monomial potential ecological risk index (ER), and total potential ecological risk index (RI) for heavy metals in the sediment, it was deduced that there was not any pollution and moderate or high ecological risks.

Anahtar Kelimeler

Heavy metal, Environmental pollution, Ecological risk, Lagoon

Köyceğiz Lagün Östarin Sisteminde (Güney-Batı Anadolu) Yüzey Sedimentlerinde Ağır Metal Kirliliğinin Durumu ve Risk Değerlendirmesi

Öz

Bu çalışmada, Köyceğiz Lagün Östarin Sisteminin (Güney-Batı Anadolu) sediment ve su kolonundaki ağır metallerin (Cr, Ni, Cu, Cd, Pb) varlığı ortaya konmuştur. Sudaki ortalama ağır metal konsantrasyonları (µg L-1), Cr: 3,72-8,36, Ni: 6,51-9,48, Cu: 1,29-11,88, Cd: TE-0,08, Pb: TE-0,34 olarak bulunmuştur. Su örneklerinde belirlenen ağır metal konsantrasyonlarının uluslararası kabul edilebilir limitlerin altında olduğu tespit edilmiştir. Sedimentteki ortalama ağır metal konsantrasyonları (mg kg-1) Cr: 1,75-4,25, Ni: 5,24-12,69, Cu: 0,25-0,51, Cd: <0,01, Pb: 0,04-0,13 olarak belirlenmiştir. Sedimentte belirlenen ağır metal konsantrasyonları yönünden yapılan kontaminasyon faktörü (CF), jeobirikim indeksi (Igeo), kirlilik yük indeksi (PLI), monomial potansiyel ekolojik risk indeksi (ER) ve toplam potansiyel ekolojik risk indeksi (RI) analizleri sonucunda, herhangi bir kirlilik tespit edilmemiş olup orta veya yüksek ekolojik risklerin olmadığı sonucuna varılmıştır.

Anahtar Kelimeler

Ağır metal, Çevre kirliliği, Ekolojik risk, Lagün

Kaynakça

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