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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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        Abstract - Issue Jan 2015, 36 (1)                                                                                                             Back

nstantaneous and historical temperature effects on a-pinene

Flood pulse influence on phytoplankton community of the

Aksu Stream, Giresun, Turkey


Elif Neyran Soylu*

Giresun University, Faculty of Arts and Science, Department of Biology, 28100, Giresun, Turkey

*Corresponding Author E-mail:




 Publication Data

Paper received:

07 June 2013


Revised received:

27 November 2013



20 June 2014



Flood pulse influence on phytoplankton communities of the Aksu Stream, Giresun, Turkey were studied between December 2008 and December 2009. The phytoplankton communities consisted of 54 species. The number of species and diversity of phytoplankton showed seasonal variation, being high in rainy season. As a consequence of the flood which occurred twice in July 2009, phytoplankton environment changed physically and chemically, which resulted in an alteration in the composition of phytoplankton community. The phytoplankton community that existed previous to the flood event, had been dominated by Hantzschia amphioxys but was replaced by Nitzschia palea and a teratological form of Fragilaria sp. Presence of teratological form of diatom in the stream indicated unfavourable conditions in this region.  


 Key words

Aksu Stream, Diversity, Flood pulse, Phytoplankton, Seasonal succession




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