I have compared the plant species diversity between different study sites the shanon's index values are lying between 2-4.8 though the diversity is quite high but is it fine to have such high values of shanon's index. kindly suggest some publications which have interpreted such kind of results.
Shannon assumes all species are randomly present in a sample, which may not be true, and values often differs significantly from other diversity indices. Sorenson's index may be better because it provides a comparison of similarity between communities and has values between 0 and 1, so you don't have to wonder if the index is too high.
Dear colleague, I advise you to review the analyzes on biodiversity indices presented by Lou Jost. On its website you can find its points of view and its methodological proposals. The application of these models allows to have greater clarity of the meaning of the indices. In addition, it allows for rapid evaluation and comparison between communities. This is your web page: http://www.loujost.com/Statistics%20and%20Physics/Diversity%20and%20Similarity/DiversitySimilarityHome.htm
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