Özet:

Although there are many studies on diathomas, which are the most important representative of fitobentoz, the distribution of diathoma composition is still a new topic in Turkey. This study is aimed at investigating the distribution of the composition of the bentic diathoma in the Little Menderes River Pool. Examples were collected in 2014 seasonally from 7 river water masses and 3 bargae lakes (Tahtalı, Beydağı and Alaçatı) from epiliton and epipelone substrates. For the purpose of removing the organic substance from the frosts, hydrogen peroxide and hydrochloric acid are used and permanent preparations are prepared with the solution of Naphrax. In total, 94 bentic diathoma taxons have been diagnosed. The indicator of the dirty waters is Nitzschia palea (Kützing) W.Smith, N. inconspicua Grunow, N. Umbonata (Ehrenberg) Lange-Bertalot, Craticula accomoda (Hustedt) DG Mann, C. subminuscula (Manguin) C.E.Wetzel & L.Ector and Navicula veneta Kützing were the most common taxons. Achnanthidium eutrophilum (Lange-Bertalot) has Lange-Bertalot, A. minutissimum. Jackii (Rabenhorst) Lange-Bertalot, Navicula simulata Manguin, N. vandamii Schoeman & Archibald, Nitzschia archibaldii Lange-Bertalot, N. desertorum Hustedt and Sellaphora saprotolerans Lange-Bertalot, Hofmann & Cantonati have been new records for the diyatome flora in Turkey.

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