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Turkish Journal of Botany

DOI

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Abstract

In our study, water samples were taken monthly between August 1997 and June 1998 from six selected stations in the region, from the source of the Nilüfer stream to the point where it joins the Marmara Sea. Temperature (Cº), pH, total dissolved substance (TDS), conductivity (EC), dissolved oxygen (DO) and biochemical oxygen demand (BOD5) values of the samples were measured. The epiphytic algal flora, and the population density and the abundance degree of species were determined. In the community of epiphytic algae, members of Bacillariophyta were dominant and Encyonema minutum (Hilse ex Rabh.) D.G.Mann, (Cymbellaceae), Achnanthidium minutissimum (Kütz.) Czarn. (Achnanthaceae), Navicula cryptocephala Kütz. var. cryptocephala (Naviculaceae), N. cryptocephala var. veneta (Kütz.) Rabh. (Naviculaceae), Nitzschia palea (Kütz.) W.Smith (Nitzschiaceae), and Synedra ulna (Nitz.) Ehr. var. ulna (Fragilariaceae) were the most frequent species found. In addition to diatoms, the members of Chlorophyta, Cyanophyta, Chrysophyta, Cryptophyta and Euglenophyta were represented by a few species.

First Page

219

Last Page

234

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