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Paper Information

Journal:   IRANIAN JOURNAL OF BIOLOGY   Spring-Summer 2003 , Volume 14 , Number 1-2; Page(s) 32 To 45.
 
Paper: 

STUDY OF ALGAL FLORA IN ZAYANDEHROOD RIVER

 
 
Author(s):  AFSHARZADEH S., RAHIMINEZHHAD M., NEZHADSTARI T., EBRAHIMNEZHAD M.
 
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Abstract: 
In order to study the aglal flora in this river, 17 sampling sites were determined. Sampling was performed with 45 days interval from May 2000 to Sept. 2001. Using 400x and 1000x microscopic magnification, prepared sub samples were examined taxonomically. In total of 152 taxa were identified. Bacillariophyta with 71 species belonging to 24 genera were found to be the most diverse division in this study. Navicula spp. and Nitzchia spp. were found to be the most common genera in this study. Chlorophyta (with 16 genera and 36 species) and Cyanophyta (with 17 genera and 35 species) were sub-dominant groups. Among Chlorophyta members of Chlorococcales (particulary Scenedesmus spp.) and some desmids were more frequently observed. Oscillatoria spp. (Cyanophyta) were observed in most water samples. Although Euglenophyta (with 2 genera and 5 species) Dinophyta (with 2 genera and 3 species) showed low diversity but some of their members (particularly Euglelw spp. and Peridinium spp.) were frequently observed in this river. Both Chrysophyta and Cryptophyta had one species in the water samples. In comparison with the previous studies showed that a regular survey of Diatoms flora in this river is important in the water quality control and river management.
 
Keyword(s): ALGAL FLORA, ZAYANDEHROOD RIVER, DIATOMES (BAILLARIOPHYTA)
 
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