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Sсhorygin similarity coefficient for a series of samples
This online calculator allows you to use a table of species distrubution in samples to calculate the Schorygin coefficient (or commonality coefficient of specific abundance) in pairs for each pair in a series of samples.
Palyi-Kownacki dominance index
This calculator allows you to calculate species dominance using the two indicators most commonly considered in community analyses, species occurrence and abundance.
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