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International Journal of Applied Research
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ISSN Print: 2394-7500, ISSN Online: 2394-5869, CODEN: IJARPF

International Journal of Applied Research

Vol. 2, Issue 4, Part C (2016)

Study of phytoplankton abundance and diversity of River Dikhow, Assam, India

Author(s)
Bristi Dutta, Dr. Debojit Baruah
Abstract
An assessment has been made on phytoplankton abundance and diversity of Dikhow River, a southern tributary of River Brahmaputra. For the study, five stations from the tail race of River Dikhow were selected. A total of 29 phytoplankton species belonging to four classes (Bacillariophyceae, Chlorophyceae, Euglenidae and Myxophyceae) were quantified through the analysis of samples collected from 05 stations in 04 seasons (pre-monsoon, monsoon, post-monsoon and winter). Baciariophyceae was found to be dominant over the other three classes. Presence of pollution tolerant species of phytoplankton indicated that the water of the river is organically polluted. The diversity and evenness index values like Shannon diversity index, Pielou evenness index, Simpson diversity index and Margalef diversity index values of phytoplankton of tail race of River Dikhow summarized the exposure to organic pollution, because most of the values were significantly lower indicating the pollution level.
Pages: 205-207  |  592 Views  17 Downloads
How to cite this article:
Bristi Dutta, Dr. Debojit Baruah. Study of phytoplankton abundance and diversity of River Dikhow, Assam, India. Int J Appl Res 2016;2(4):205-207.
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