Özet:

This study was carried out at three stations of Lake Uluabat between March 2006 and January 2007. Composition, density and spatio-temporal variations of phytoplankton of Lake Uluabat were investigated. During the study period, a total of 169 taxa were identified. 56 taxa belong to Bacillariophyta, 51 to Chlorophyta, 25 to Cyanobacteria, 19 to Euglenophyta, 7 to Miozoa, 6 to Charophyta and 5 to Ochrophyta. The results of this study were compared with the previous studies, indicated that the phytoplankton taxa richness were approximately reduced by half in Lake Uluabat. According to RDA analysis, water temperature and nitrate nitrogen were the most important physicochemical parameters that affect species composition, density and spatio-temporal variations of phytoplankton of Lake Uluabat. The phytoplankton composition of Lake Uluabat indicated that the trophic state of lake was eutrophic.

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