Abstract
A program for polythetic numerical evaluation of phytosociological material is described. Using Sörensen's coefficient of floristic similarity it computes the homogeneity of subjectively chosen sets of relevés, the affinity of each constituent relevé to the set as well as the similarity between any pair of sets. It is also able to plot a dendrogram of the hierarchic system obtained by agglomerating individual relevés into complex groupings. The program is suitable for processing phytosociological data arranged in any conventional table.
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Literature Cited
Češka, A. (1968): Application of association coefficients for estimating the mean similarity between sets of vegetational relevés.—Folia Geobot. Phytotax., Praha, 3: 57–64.
Sokal, R. R. etSneath, P. H. A. (1963): Principles of numerical taxonomy.—San Francisco et London, 359 p.
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Kosinová, J., Kosina, Z. Computer assisted floristic similarity analysis. Folia geobot. phytotax. 6, 441–446 (1971). https://doi.org/10.1007/BF02852499
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DOI: https://doi.org/10.1007/BF02852499