Littoral Epilithic Algae of the Ondokuz Mayıs University Pond I (Samsun, Turkey)

In this study, stone samples with epilithic algae on them were investigated. The samples were collected monthly from one station at Pond I located on the campus of Ondokuz Mayis University (OMU) between March 2004 and February 2005. The pond contained 55 taxa which were identified as belonging to the Bacillariophyta division. Cymbella silesiaca, C. tumida, Epithemia sorex, Gomphonema olivaceum var. minutissimum, and Navicula perminuta were the most common species in the epilithic algae flora of the pond. Common occurrence of these species in OMU Pond I was indicated that pond water contained calcium and was slightly alkaline. On the stone samples, collected from the pond, was found an abundant diatom community belonging to the alkaline water. Some species connected with the epipelic area were recorded in the epilithic area due to a cover of sediments on the face of the stones.