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Archive: Published Articles


Interdisciplinary International Science Journal

Volume 41 (2023)
Issue 3
Page No. 1400



Prasenjit Patari*, Maria Deb Barma, Huidrom Babina Devi, Sabyasachi Dasgupta

Department of Forestry and Biodiversity, Tripura University, Tripura, India


Environment and Ecology 41(3): 1400—1407, July—September 2023
Article DOI:
ISSN 0970-0420

Large Scale Hevea brasiliensis Plantation Impact on Non-Human Primate and Floral Diversity in Khowai District of Tripura 


Prasenjit Patari, Maria Deb Barma, Huidrom Babina Devi, 
Sabyasachi Dasgupta

Received 6 February 2023, Accepted 18 May 2023, Published on 24 July 2023



Over the past three decades, a large proportion of forest area in Khowai district of Tripura has been converted into a rubber plantation (Hevea brasiliensis) area. There is less information about the deleterious effect of such changes on non-human primate populations and plant diversity. To address this deficit, line transect and quadrat sampling programs were carried out in Khowai district of Tripura with the purpose of comparing non-human primate species diversity, number of individual primate species observed and also plant species diversity observed in the rubber plantation area and nearby forest area. Less number of non-human primate was observed in the rubber plantation area than in the forest area and individual numbers of tree, shrub and herb species were found to be maximum in the nearby forest area than in rubber plantation area. In shrub layer Shannon and Simpson diversity index were higher in the forest area, whereas in herb layer, Shannon index was lower and Simpson index was higher in rubber plantation area. From this study it was divulge that, rubber plantation have harmful impact on non-human primate and plant species.

Keywords   Non-human primate, Plant diversity, Line transect, Quadrat sampling, Diversity index.

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