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International Journal on Algae
SJR: 0.216 SNIP: 0.322 CiteScore™: 0.4

ISSN 印刷: 1521-9429
ISSN オンライン: 1940-4328

International Journal on Algae

DOI: 10.1615/InterJAlgae.v12.i2.60
pages 169-184

Ecological Investigation of Phytoplankton and Their Correlation to Environmental Variables

Naser Jafari
Department of Biology, Basic Faculty, Mazandaran University, Iran
A. Hosseinzadeh Colagar
Department of Biology, Faculty of Basic Sciences & Nano and Biotechnology Group, Mazandaran University, Babolsar, Iran

要約

Seasonal variations of phytoplankton abundance and community organization were observed over a one-year period (June 2008 to July 2009) along Tajan River is among significant rivers of Caspian Sea water basin. Phytoplankton biovolume showed seasonality, with the highest levels during summer periods and lowest levels during the winter period. Phytoplankton abundance was correlated to water and air temperature patterns, which may be altered by long-term changes in climate. The main purpose of this study was to document relationship among nutrient concentrations with phytoplankton distribution and composition. The correlation coefficient between physico-chemical parameters and phytoplankton of river are significantly associated with most of the physico-chemical characteristic. From the results, it is evident that the Tajan River water is eutrophicated with high values of BOD, COD, phosphate, nitrate, sulphate, TDS, monovalent, divalent cations and dominated by members of Oscillatoria, Navicula, Nitzschia, Euglena, Cymbella, Synedra.


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