Epiphytic and Epilithic Diatoms in Dam Lakes (Euphrates - Turkey)

Öz

Bu çalışmada, Birecik ve Karkamış Baraj Göllerinde bulunan epifitik ve epilitik diatom kompozisyonu mevsimsel olarak  belirlenmiştir.  Seçilen 6 istasyondan örneklemeler 2012 ve 2013 tarihlerinde  gerçekleştirilmiştir. Araştırmada, 47 taxon tespit edilmiş, bunlardan Cocconeis pediculus Ehr., Cymbella affinis  Kütz., Navicula radiosa Kütz.,  Nitzschia sigmoidea (Ehr.) W. Smith türleri yaygın olarak bulunmuştur. Ochrophyta ’ya ait diğer türler yıl içesinde değişen boluklarda ve sıklıklarda belirlenmiştir.  Çalışmada, diatomların bahar ve yaz dönemlerinde daha iyi geliştiği, sonbahar ve kış dönemlerinde sayısal olarak azalış gösterdikleri tespit edilmiştir.

Epiphytic and Epilithic Diatoms in Dam Lakes (Euphrates - Turkey)

Abstract

In this study, epiphytic and epilithic diatom compositions in Birecik Dam Lake and Karkamış Dam Lake were identified. The diatom samples chosen from 6 stations were investigated between 2012 and 2013. In the research, 47 taxa belonging to Ochrophyta were identified. Cocconeis pediculus Ehr., Cymbella affinis  Kütz., Navicula radiosa Kütz.,  Nitzschia sigmoidea (Ehr.) W. Smith taxa were found widespread.  Other species of Ochrophyta were determined in various abundancies and frequencies in different seasons of the year.  In the study, diatoms were determined to show their best growth in spring and summer, whilst they showed lower cell numbers in autumn and winter.

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