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¹ Hitit University, Vocational School of Technical Sciences, Department of Environmental Protection Technologies, 19169, Çorum, TURKEY
² Giresun University, Faculty of Arts and Science, Department of Biology, 28100, Giresun, Turkey DOI : 10.4194/1303-2712-v18_3_12 Viewed : 4542 - Downloaded : 3349 The majority of phycological studies in Turkey focus on seasonal changes of phytoplankton and phytobenthos in lentic and lotic systems, while very few studies related to counting diatoms in sediment cores obtained as a result of paleolimnological work have been published. In this paleolimlogical study, seventeen (14+3) n e w diatom records for freshwater algal flora of Turkey were determined on sediment core samples at five different locations collected in July 2006 from Lakes Ladik (Samsun) and Hazar (Elazığ). We recorded seventeen diatom taxa belonging to Naviculales (8), Cymbellales (2), Eunotiales (2), Bacillariales (2), Fragilariales (1), Tabellariales (1) and Aulacoseirales (1) orders from Lakes Ladik (Samsun) and Hazar (Elazığ). All of the reported taxa are new records for freshwater algal flora of Turkey. General information on the morphology and taxonomy of the species are briefly described in this paper, with their illustrations. Keywords : Lake Ladik, Lake Hazar, sediment core, new record, diatom, Turkey