Reason-A Technical Journal (Formerly Reason-A Technical Magazine)

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A survey has been taken up for statistical analysis on the sampled data collected from the 27 forests of West Bengal for determination of required optimum sample size in the forests including the nature of the vegetation pattern. Sampled data are analyzed in three phases separately applying probability measures of statistical methods. In the first phase, 9 sample spots of 2 forest patches of Garh Jangal and Aduria Forest, then 14 sample spots of the forest patches of 11 districts and overall, 27 sample spots from 19 districts situated all over the state of West Bengal are considered for statistical analysis. From the analysis, higher the survey spots, lower the required optimum sample size is revealed. Results obtained from the statistical analysis for the forest shows likely indications and positive trends that help to understand the vegetation categories, types of dominant timber trees and stem-diameters of the rest forest areas in the state.

Keywords

Optimum sample size, Random sampling. Stem diameter.
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