Işıklı Gölü'nde Yaşayan Turna Balığı (Esox lucius l., 1758)'nın Kas, Karaciğer ve Solungaçlarındaki Ağır Metal Seviyelerinin Mevsimsel Değişimi

Bu çalışma Ekim 2012 ve Temmuz 2013 tarihleri arasında yapılmış ve Işıklı Gölü'nde yaşayan turna balığı'nın kas, karaciğer ve solungaçlarındaki bazı ağır metallerin seviyelerinin belirlenmesi amaçlanmıştır. Cihazımızın çalışma doğruluğunu saptamak amacıyla DORM-3 ve DOLT-4 standart referans materyallerinden de metal analizi yapılarak, elde edilen değerler Kanada Ulusal Konseyi tarafından verilen değerlerle kıyaslanmıştır. Cr dışındaki tüm metaller her mevsimde her dokuda tespit edilmiştir. Cr'un karaciğerde yaz ve sonbaharda, kaslarda yaz mevsiminde analiz limitinin altında olduğu tespit edilmiştir. Genel olarak, metallerin en fazla karaciğerde biriktiği, kaslarda ise en düşük seviyede olduğu belirlenmiştir. Ağır metal seviyeleri yaz ve kış mevsimlerinde artmış, sonbahar ve ilkbahar mevsimlerinde azalmıştır. Sonuçların bazıları WHO, EC ve Türk Gıda Koteksi tarafından verilen limit değerlerin üstünde bulunmuştur. Bu çalışma, gelecekte tarımın gelişmesine bağlı olarak bu bölgede bir tehlikenin oluşabileceğini göstermektedir.

Anahtar Kelimeler:

Ağır metal, Kas, Karaciğer, Solungaç, Turna Balığı, Işıklı Gölü, Türkiye

The Seasonal Variations of Heavy Metal Levels in Muscle, Liver and Gill of Pike (Esox lucius L., 1758) Inhabiting Işıklı Lake (Turkey)

This study was carried out between October 2012 and July 2013 and the aim of the current study is to investigate to determine levels of some heavy metals in muscle, liver and gills of pike in Işıklı Lake, Turkey. To determine the accuracy of our device, metal levels were analyzed in DORM-3 and DOLT -4 standard reference materials, the resulting values were compared with values given by the National Council of Canada. Except Cr, all metals were determined in all tissues in all seasons. Cr was below detection limit in liver in autumn and summer and in muscle in summer. Generally, higher metal levels were found in liver, while the lowest were determined in muscle tissue of pike. Heavy metal levels in tissues increased in summer and winter, but decreased in autumn and spring. Some of the results were above the limits for fish given by WHO, EC and Turkish Food Codex. This study shows that a potential danger may occur in this region in the future depending on the agricultural development.

Keywords:

Heavy metal, Muscle, Liver, Gill, Pike, Işıklı Lake, Turkey,

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