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Diversity Index , diversity index The mathematical expression of the species diversity of a given community or area, which includes due allowance for the relative abun… Shannon-wiener Index Of Diversity , Shannon-Wiener index of diversity(information index) A measure derived from information theories developed by Claude E. Shannon and Norbert Wiener an… Affinity Index , affinity index A measure of the relative similarity of composition of two samples, e.g. , where a and b are the numbers of species in one sample but… Indifferent Species , indifferent species A species with no real affinity for any particular community, but which is not rare (as an accidental species would be). It is fi… preferential species , preferential species In phytosociology, a species that is present with varying abundance in several communities, but is especially abundant and vigor… Continuum Index , continuum index A measure of the total environment of a stand of trees, expressed in terms of species composition and their relative abundance. In th…
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