Abstract
Various possibilities of usingSörensen's coefficient of floristic similarity in plant sociology are summarized. A new formula (11), derived from that bySörensen and based on constancy values, is suggested in order to calculate the mean floristic similarity within a set of relevés.
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Literature Cited
Dagnelie, P. (1960): Contribution à l'étude des communautés végétales par l'analyse factorielle. —Bull. Carte phytogeograph., ser. B., 5: 7–71, 93–195
Dahl, E. (1960): Some measures of uniformity in vegetation analysis.—Ecology, 41: 805–808.
Ghent, A. W. (1963): Kendall's “Tau” coefficient as an index of similarity in comparisons of plant or animal communities.—Canad. Entomol., 9: 568–575.
Gleason, H. (1920): Some applications of the quadrat method.—Bull. Torrey Bot. Club, 47: 21–33.
Jaccard, P. (1902): Gesetze der Pflanzenverteilung in der alpinen Region auf Grund statistisch-floristischer Untersuchungen.— Flora, 90: 349–377.
Koch, L. T. (1957): Index of biotal dispersity.— Ecology, 38: 145–148.
Kontkanen, P. (1950). Quantitative and seasonal studies on the leafhopper fauna of the field stratum on open areas in North Karelia.— Ann. zool. Soc. zool.— bot. fenn. Vanamo, 13(3): 1–91.
Kulczynski, S. (1927): Zespoly roslin w Pieninach— Bull. Intern. Acad. Pol. Sci. Lett. Cl. Sci. Math. Nat., B (Sci. Nat.), 1927 (Suppl. 2): 57–203.
Looman, J. andCampbell, J. B. (1960): Adaptation of Sörensen's K (1948) for estimating unit affinities in prairie vegetation.— Ecology, 41: 409–416.
Raabe, E. W. (1952): Über den “Affinitätswert” in der Pflanzensoziologie.—Vegetatio, 4: 53–68.
Sokal, R. R. andSneath, P. H. A. (1963): Principles of numerical taxonomy.—359 p. London 1963.
Sörensen, T. (1948): A method for establishing groups of equal amplitude in plant sociology based on similarity of species content and its application to analyses of the vegetation on Danish commons.— K. danske vidensk. Selsk. Skr. Biol. Skr., 5(4): 1–34.
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Češka, A. Estimation of the mean floristic similarity between and within sets of vegetational relevés. Folia geobot. phytotax 1, 93–100 (1966). https://doi.org/10.1007/BF02852438
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DOI: https://doi.org/10.1007/BF02852438