he diatom flora of Lake Gölköy was studied monthly over 2 years (June 2003-June 2005) from 3 littoral and 2 vertical stations in Lake Gölköy (Bolu, Turkey). A total of 119 diatom taxa were identified, most of them belonging to Naviculaceae () Kützing, Fragilariceae () Hustedt, Surirellaceae () Kützing, and Bacillariaceae () Ehrenberg, from which many species (Asterionella formosa Hassall, Aulacoseria granulata (Ehrenberg). | Turk J Bot 30 (2006) 359-374 © TÜB‹TAK Research Article Net Diatom (Bacillariophyceae) Flora of Lake Gölköy (Bolu) Abuzer ÇELEKL‹ Department of Biology, Faculty of Arts and Science, Abant ‹zzet Baysal University, Gölköy 14280 Bolu - TURKEY E-mail: celekli_a@ Received: Accepted: Abstract: The diatom flora of Lake Gölköy was studied monthly over 2 years (June 2003-June 2005) from 3 littoral and 2 vertical stations in Lake Gölköy (Bolu, Turkey). A total of 119 diatom taxa were identified, most of them belonging to Naviculaceae () Kützing, Fragilariceae () Hustedt, Surirellaceae () Kützing, and Bacillariaceae () Ehrenberg, from which many species (Asterionella formosa Hassall, Aulacoseria granulata (Ehrenberg) Simonsen, Cyclotella praetermis Lund, Cymbella cistula Kirchner, Fragilaria biceps (Kützing) Lange-Bertalot, F. crotonensis Kitton, F. dilata (Brebisson) Lange-Bertalot, Navicula radiosa Kützing, and Nitzschia sigmoidae (Nitzsch) Smith) were found each month at all stations. Species richness was especially high in the autumn (November-December 2003 and September-October 2004) during the study periods. Key Words: Lake Gölköy, Diatom, Systematic, Species diversity Gölköy Gölü Net Diyatome (Bacillariophyceae) Floras› Özet: Gölköy Gölü diyatome floras› üç k›y›sal ve iki vertikal istasyonda ayl›k olarak iki y›l boyunca (Haziran 2003-Haziran 2005) çal›fl›lm›flt›r. Naviculaceae (%48,7) Kützing, Fragilariceae (%16,8) Hustedt, Surirellaceae (%11,8) Kützing, ve Bacillariaceae (%6,7) s›n›flar›na ait toplam 119 diyatomenin tan›mland›¤› yerde birçok tür (Asterionella formosa Hassall, Aulacoseria granulata (Ehrenberg) Simonsen, Cyclotella praetermis Lund, Cymbella cistula Kirchner, Fragilaria biceps (Kützing) Lange-Bertalot, F. crotonensis Kitton, F. dilata (Brebisson) Lange-Bertalot, Navicula radiosa Kützing, ve Nitzschia sigmoidae (Nitzsch) Smith) bütün istasyonlardan her ay bütün istasyonlarda bulunmufltur. Çal›flma .
