Erzurum İlindeki Farklı Hydrophilidae (Coleoptera) Türlerini Kullanarak Ağır Element Kirliliğinin Değerlendirilmesi

Öz

ÖZ: Bu çalışma, Erzurum civarındaki bazı ağır element (Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Se, Br, Sr, Pb) miktarlarını ve Hydrophilidae (Coleoptera) türlerinin biyolojik izleme çalışmaları için uygun aday olup olmadığını değerlendirmektedir. Bu amaçla, su, sediment ve hydrophilid örnekleri Haziran, Temmuz, Ağustos 2014 aylarında Erzurum’daki dört istasyondan toplandı. Aynı lokalitelerden alınan böcek, su ve sediment örneklerindeki ağır element miktarları Enerji Dağılımlı X-Işınları Flüoresan (EDXRF) spektrometresi ile ölçüldü. Sonuçlar böceklerin bulundukları ortamdan kontamine olduklarını, bu nedenle, bazı elementleri yüksek miktarda biriktirdiğini göstermiştir. Sediment ağır element analizleri, 14 element arasında en çok biriken elementin  Cr olduğunu bunu Ni ve Fe elementlerinin takip ettiğini gösterdi. Tüm istasyonlarda Ti, Fe, Ni, Cu, Br, Pb konsantrasyonları su ve sedimentte ölçüldü; tüm böcek türleri Ti, Fe, Ni, Cr, Zn, Br, Sr, Pb elementlerini farklı seviyelerde biriktirdi. Su örnekleri ölçüm sonuçları ulusal su kalite parametreleri ile karşılaştırıldı. Bazı elementlerin seviyesi, izin verilen limitlerin üzerinde bulundu.

Anahtar Kelimeler

• Sucul böcek,biyomonitör,EDXRF,kirlilik

Evaluation of Heavy Element Contamination Levels with the Use of Different Species of Hydrophilidae (Coleoptera) in Erzurum Province of Turkey

Abstract

ABSTRACT: This study evaluates the level of some heavy elements (Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Se, Br, Sr, Pb) in Erzurum Province, and to observe whether Hydrophilidae (Coleoptera) is a useful candidate for biomonitoring studies. For this purpose, water, sediment and hydrophilid samples were collected from four sites on June, July, August 2014, Erzurum (Turkey). Heavy elements levels in insect, sediment and water samples which are at the same place were measured by Energy Dispersive X-Ray Fluorescence (EDXRF) spectrometer. The results have showed that the hydrophilids were contaminated by their environments, therefore accumulated some elements at higher concentration. The sediments heavy element analysis indicated that among the fourteen heavy elements Cr was maximally accumulated, followed by Ni and Fe. In all sampling sites, Ti, Fe, Ni, Cu, Br, Pb concentrations in water and sediment were measured, and every insect species accumulated Ti, Fe, Ni, Cr, Zn, Br, Sr, Pb in different levels. The water samples’ results were compared with national water quality criteria. Some heavy elements’ concentrations exceed the allowable limits.

Keywords

• Aquatic insect,bio-monitor,EDXRF,pollution,wetland.

Kaynakça

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