Russian Journal of Ecology, Vol. 34, No. 2, 2003, pp. 138–140. Translated from Ekologiya, No. 2, 2003, pp. 152–154. Original Russian Text Copyright © 2003 by Yamalov, Khasanova. SHORT COMMUNICATIONS Analysis of the Factors of Species Association in Serial Communities of Sown Perennial Grasses by the Method of Direct and Indirect Ordination S. M. Yamalov and G. R. Khasanova Bashkir State University, ul. Frunze 32, Ufa, 450074 Russia Received May 22, 2001 Key words: progressive succession, plantations of perennial grasses, biodiversity, syntaxonomy, synanthropic vegetation. The problem of species coexistence in plant com- Two-way ANOVA was performed using STAT- munities (assembly rules) is reviewed in the mono- GRAPH software. The ﬁrst factor—succession time— graph by Mirkin and Naumova (1998). This work had four gradations: (I) 1–3 years, (II) 4–10 years, shows that species association in communities is deter- (III) 11–15 years, and (IV) more than 15 years. The mined by different factors under different conditions second factor had three gradations, which corre- (the so-called polymodel concept of phytocenosis). sponded to three raions differing in climate, soil type, and zonal vegetation. Parameters for analysis were spe- The purpose of this work was to reveal the role of cies diversity in a
Russian Journal of Ecology – Springer Journals
Published: Oct 7, 2004
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