A Study on the Epipelic and Epilithic Algae of Sana River (Trabzon/Turkey)

Authors: Saadet KOLAYLI, Arif BAYSAL, Bülent ŞAHİN

Abstract: The epipelic and epilithic algae of the Sana river, were investigated during the period January 1995 to December 1995. Sity taxa belonging to the Bacillariphyta, Chlorophyta, Cyanophyta and Euglenopnyta divisions were identified. Melosira varians Ag. (Coscinodiscaceae), Cocconeis placentula var. euglypta (Ehr.) Cleve (Achnanthaceae), Cymbella minuta Hilse ex Rabh. (Cymbellaceae), Navicula cryptocephala Kütz. and N. cryptocephala var. veneta Kütz. Grun. (Naviculaceae), were abundant among epipelic algae. Of the epilithic algae, it was observed that Concconeis placentula var. euglypta, Cymbella mi-nuta and Didymosphenia geminata (Lyng.) M. S. (Naviculaceae) were abundant.

Keywords: Epipelic, Epilithic, Seasonal changes, River.

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