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    Ecological and Statistical Evaluation of Algal Flora and Water Quality of Karasu Stream
    (Kahramanmaras Sutcu Imam Univ, 2017) Tezel Ersanli, Elif; Ozturk, Ridvan
    The ecological and statistical evaluation of algal flora and water quality in Karasu Stream (Sinop, Turkey) were investigated from May of 2013 to April of 2014. A total of 70 taxa were identified, including Cyanophyta, Bacillariophyta, Charophyta, Chlorophyta, Dinoflagellata and Euglenozoa. The Bacillariophyta was dominant taxa in terms of both population density and number of species in the stream. It was followed by Chlorophyta, which was important in the phytoplankton at the end of the summer, autumn and the early winter. The positive correlations between Bacillariophyta with pH and nitrate; Chlorophyta with conductivity and silica; Cyanobacteria with conductivity, organic matter and nitrate; Charophyta with temperature and pH; Euglenozoa with total hardness were determined. Temperature was strongly positively correlated with pH and organic matter while dissolved oxygen was strongly negatively correlated with organic matter. Results indicated that the water was in the category of hard and moderately hard water; moderately polluted and sustaned slightly alkaline character.