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Seasonal changes of epilithic(Aksaray-Ihlara) diatoms of melendiz stream and effect of speed of waterflow on total organism

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Dere, Şükran

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Sıvacı, Erdal Rıdvan

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Çevre Koruma ve Araştırma Vakfı

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The seasonal variation of the composition and concentration of epilitic diatom flora was investigated at five chosen sampling stations in the Melendiz stream. In addition, temperature and pH were measured and the variation of total organism numbers was investigated in relation to speed of stream flow The total organism numbers was high in May due to the speed of stream, while decrease speed of stream caused to increase in total organism number as do in June. In this study, Cocconeis placentula var. euglypta, Navicula cryptocephala, Navicula tripunctata, Cymbella ventricosa, Nitzschia amphibia and Nitzschia palea were dominant species in the flora of the stream Melendiz.
Melendiz çayı'nda seçilen 5 istasyonda epilitik diyatome florasının kompozisyonu ve yoğunluğunun mevsimsel değişimi araştırılmıştır. Ayrıca akarsuyun sıcaklık ve pH'ı ölçülmüş ve akarsuyun hızına bağlı olarak toplam organizmadaki değişim incelenmiştir. Mayıs ayı içerisinde artan hız miktarına bağlı olarak toplam organizma sayısı düşmüş, Haziran ayında ise düşen hız miktarına bağlı olarak organizma sayısı artmıştır. Çalışma sürecinde Cocconeis placentula var. euglypta, Navicula cryptocephala, Nauicula tripunctata, Cymbella ventricosa, Nitzschia amphibia ve Nitzschia paka Melendiz çayının florasında dominant türler olmuştur.

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Keywords

Epilithic diatom, Speed of waterflow, Seasonal changes, River, Amphibia, Bacillariophyta, Cocconeis placentula, Nitzschia amphibia, Encyonema silesiacum, Navicula tripunctata, Navicula cryptocephala, Nitzschia palea, Aksaray, Temperature effect, Eurasia, Streamflow, Melendiz river, Seasonal variation, Turkey, Flora, Diatom, Ph, Waterfowl, Environmental sciences & ecology

Citation

Sıvacı, E. R. ve Dere, Ş. (2007). ''Seasonal changes of epilithic(Aksaray-Ihlara) diatoms of melendiz stream and effect of speed of waterflow on total organism''. Ekoloji, 16(64), 29-36.

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