The Use of Fish Parasites as Pollution Bioindicator in Monitoring Aquatic Ekosystem

Yıl 2009, Cilt: 2009 Sayı: 1, 13 - 18, 01.06.2009

Emine Turgut Gülistan Özgül

Öz

Parasites have complex life cycles and different life stages which has different requirement and sensitive to environmental changes. Therefore, parasites interact with environmental pollution in variety of ways. Reduction or increase in their level of infection and diversity of species shows that changes are occurring in the environment. Also, certain parasites can accumulate heavy metals at concentration that are orders of magnitude higher than those in the host tissue or aquatic environment. In this review, the value of fish parasites as a bioindicator in monitoring aquatic ecosystem will be discussed.

Anahtar Kelimeler

Parasites, pollution, bioindicator, fish.

Sucul Ekosistemin İzlenmesinde Kirlilik Biyoindikatörü Olarak Balık Parazitlerinin Kullanılması

Öz

Parazitlerin pek çoğu karmaşık yaşam döngüsüne ve farklı yaşam evrelerine sahip canlılardır. Bu yaşam döngülerinde parazitler farklı ihtiyaçlara sahip olup çevresel değişimlere de hassastırlar. Bunlardan dolayı da parazitler, çeşitli şekillerde ortaya çıkan çevresel kirlilikle etkileşim halindedirler. Bu çevrede gerçekleşen değişimler enfeksiyon düzeyinde ve tür çeşitliliğinde azalma veya çoğalma şeklinde görülmektedir. Ayrıca, bazı parazitler ağır metalleri konak balığın dokusundakinden ve sucul çevredekinden çok daha fazla oranda biriktirebilirler. Bu derlemede, bir biyoindikatör olarak balık parazitlerinin sucul ekosistem kirliliğinin izlenmesinde kullanımının önemi tartışılacaktır.

Anahtar Kelimeler

parazitler, kirlilik, biyoindikatör, balık

Kaynakça

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