This study was performed monthly to reveal changes in phytoplankton composition of the Tig¬ris River at seven sampling stations between February 2008 and January 2009. A total of 390 taxa were identified belonging to Bacillariophyta, Chlorophyta, Cyanophyta, Euglenophyta, Chrysophyta, Pyrrophyta, Cryptophyta, Xantophyta and Rhodophyta. Bacillariophyta compri¬sed 39.23% of the total number of taxa, Chlorophyta comprised 32.05% of the total number of taxa and Cyanophyta comprised 18.46% total number of taxa were the richest groups of phy¬toplankton in terms of species diversity. Achnanthes minutissima var. minutissima, Amphora ovalis, Cocconeis pediculus, Cymbella affinis, Diatoma vulgaris, Encyonema silesiacum, Gomphonema angustatum, Gomphonema olivaceum, Gomphonema parvulum, Gomphonema vibrio var. intricatum, Navicula capitatoradiata, Navicula cryptonella, Navicula trivialis, Nitzschia fonticola, Nitzschia palea, Reimeria sinuata, Rhoicosphenia abbreviata and Ulnaria ulna from Bacillariophyta division; Cladophora glomerata, Eudorina elegans, Mougeotia sp., Oedogonium sp., Pediastrum boryanum, Spirogyra sp., Stigeoclonium lubricum, Ulothrix te¬nerrima and Ulothrix tenuissima from Chlorophyta division; Oscillatoria subbrevis, Phormi¬dium formosum, Phormidium limosum, Planktolyngbya limnetica, Planktothrix agardhii and Pseudanabaena limnetica Cyanophyta division; Ceratium hirundinella and Peridinium cinc¬tum from Pyrrophyta division; Euglena oxyuris and Euglena sp. from Euglenophyta division; Audouinella hermannii from Rhodophyta division were common species identified in the Tig¬ris River.

Author Name: Memet Varol, Bülent ?en

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Keywords: Tigris River, Phytoplankton, Algae, Flora

ISSN:

EISSN: 1307-234X

EOI/DOI: 10.3153/jfscom.201431

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