Journal of Tree Sciences
Year : 2021, Volume : 40, Issue : 1
First page : ( 18) Last page : ( 26)
Print ISSN : 0970-7662. Online ISSN : 2455-7129.
Article DOI : 10.5958/2455-7129.2021.00002.9

Measuring similarity indices of tree species in the chilapata and mendabari forest stands of Dooars, West Bengal

Das Gautam Kumar¹

¹19, Raj Krishna Pal Lane, Kolkata - 700 075West BengalIndia, Email: gkdas7@gmail.com

Online published on 9 August, 2021.

Abstract

Similarity measurement is the determination of the properties of communities that helps to suggest whether the communities may be classified together or in necessity to be separated in the field of modern ecology. Similarity index sometimes is estimated reformulating the indices of abundance coefficients. Estimation of abundances applying different statistical methods like Jaccard and Sorensen's indices, similarity percentage, Morisita-Horn's indices etc is an important way to characterize and measure the properties of plant communities as the species abundances comprise the community. Alike abundances, similarity, a parameter, is utilized for the interpretation of the communities in necessity. Measurement of such similarity indices as a community parameter has been attempted in the forest stands of Chilapata and Mendabari forest stands of Dooars in the state of West Bengal. The obtained results show the estimated values 0.92 and 0.96 for the Adjusted Jaccard and Adjusted Sorensen indices respectively which are the best choices and preferred for the measurements of the estimation of similarity index because of their identical low biased measuring patterns among presence-absence and abundance based similarity measuring indices.

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Keywords

Relative abundances, Similarity indices, Similarity percentage, Vegetation types, Dooars.

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