MUSTAFA TÜRKMEN, EKREM MUTLU, Sena ZEBEL, AYSUN TÜRKMEN

Doğu Karadeniz Sahili Batlama Deresi’nde Dağılım Gösteren Bazı Balık Türlerinde Ağır Metal Birikiminin Değerlendirilmesi

Bu araştırma Temmuz 2011 ve Mayıs 2012 tarihleri arasında mevsimsel olarak gerçekleştirilmiş olup çalışmada Giresun sahillerinde denize dökülen Batlama Deresi’nde dağılım gösteren bazı balık türlerinin kas ve solungaç dokularındaki ağır metal birikimleri değerlendirilmiştir. Analiz edilen balıklarda ağır metal birikimleri ortalama ppm olarak kas dokuda; Co: 1,47-1,64 Cr: 0,09-0,36, Cu: 0,92-11,0, Fe: 8,01-17,6, Mn: 1,46-2,20, Ni: 2,69-3.55, Pb: 1,83-2,63, Zn: 9,80-17,0; solungaçta; Co: 2,14-3,99, Cr: 0,20-0,58, Cu: 1,32-22,6, Fe: 52,2-140, Mn: 13,1-20,3, Ni: 7,85-13,6, Pb: 2,75-6,28, Zn: 37,5-80,8 düzeylerinde bulunmuştur. Bunun yanı sıra çalışmada, kas doku için günlük ve haftalık alımlar hesaplanmıştır. Bu değerler uluslararası kuruluşlar tarafından bildirilen sınır değerlerinin altında olduğundan, çalışmanın yapıldığı zaman, çalışılan türler ve metaller açısından bu bölgede yakalanarak tüketilen balıkların insan sağlığı üzerine herhangi bir tehdit oluşturmayacağı söylenebilir.

Assessment of Heavy Metal Accumulation in Some Fish Species from Batlama Stream, Eastern Black Sea Coast

Present study assessed the heavy metal accumulation in muscle and gill tissues of some fish species from Batlama stream in Giresun Coast. Heavy metal levels in analyzed fish were found as Co: 1.47-1.64 Cr: 0.09-0.36, Cu: 0.92-11.0, Fe: 8.01-17.6, Mn: 1.46-2.20, Ni: 2.69-3.55, Pb: 1.83-2.63, Zn: 9.80-17.0 in ppm for muscles; Co: 2.14-3.99, Cr: 0.20-0.58, Cu: 1.32-22.6, Fe: 52.2-140, Mn: 13.1-20.3, Ni: 7.85-13.6, Pb: 2.75-6.28, Zn: 37.5-80.8 in ppm for gills. Additionally, daily and weekly intakes were estimated for muscle tissue. Because these values were markedly below the limits recommended by different international authorities, it may be said that consumption of these species from the Batlama stream in Giresun Coast is not a problem on human

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