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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(7): 2700-2715
DOI: https://doi.org/10.20546/ijcmas.2018.707.317


Ecological Assessment of Hooghly - Bhagirathi River System through the Study of Diversity of Bivalves and Gastropods in Relation to Physico-Chemical Parameters
Bhuban Mohan Majhi1, Ashim Kumar Nath2*, Chiranjeeb Dey1,Ayan Mondal3 and Nimai Chandra Saha4
1Department of Zoology, Serampore College, Serampore, Hooghly, West Bengal, India
2Department of Zoology, Sidho-Kanho-Birsha University, Purulia, West Bengal, India
3Department of Environmental Science, University of Burdwan, West Bengal, India
4Vice Chancellor, University of Burdwan, West Bengal, India
*Corresponding author
Abstract:

It is generally considered that benthic organisms are good indicator of environmental condition of aquatic ecosystem. Present study focused on seasonal distribution of macrobenthic fauna and physico-chemical parameters of Hooghly-Bhagirathi river (part of Ganga river) during one year from June 2016 to May 2017. Total 16 species of mollusks (11 species of gastropods belonging to seven families and 4 species of bivalves belonging to the three families) have been found during study period. Among them Tarebia lineata, Filopaludina bengalensis, Novaculina gangetica and Lamellidens marginalis are found to be the most dominant species of the studied region of Ganga river. Four stations had been selected for the purpose of study (Station 1: Nabadwip, Station 2: Mayapur, Station 3: Khardaha, Station 4: Raichak) along the entire stretch of studied river. Gastropod and bivalves represent 43.59% and 56.41% of the total molluscs respectively. Principle component analysis (PCA) was done to determine the relationship among molluscan fauna and physico chemical variables of water. General linear model (GLM) was also done which gives a satisfactory result. Rarefraction curves confirmed the low probability of finding of addition of new species in station-1, whereas the probability of finding new species in case of station-2, station-3, station-4 are very low.


Keywords: Gastropod, Bivalve, Physico-chemical parameters, Principle component analysis, General linear model
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How to cite this article:

Bhuban Mohan Majhi, Ashim Kumar Nath, Chiranjeeb Dey, Ayan Mondal and Nimai Chandra Saha. 2018. Ecological Assessment of Hooghly - Bhagirathi River System through the Study of Diversity of Bivalves and Gastropods in Relation to Physico-chemical ParametersInt.J.Curr.Microbiol.App.Sci. 7(7): 2700-2715. doi: https://doi.org/10.20546/ijcmas.2018.707.317