Russian Journal of Ecology, Vol. 35, No. 6, 2004, pp. 413–416. Translated from Ekologiya, No. 6, 2004, pp. 460–463. Original Russian Text Copyright © 2004 by Kapralov. SHORT COMMUNICATIONS Genotypic Variation in Populations of the Clonal Plant Saxifraga cernua in the Central and Peripheral Regions of the Species Range M. V. Kapralov Institute of Plant and Animal Ecology, Ural Division, Russian Academy of Sciences, ul. Vos’mogo Marta 202, Ekaterinburg, 620144 Russia Received April 14, 2004 Key words: allozymes, genetic variation, clonal plants, peripheral populations, Saxifraga cernua. Toward the periphery of a species range, the degree The purpose of this study was to compare genotypic of isolation of its populations both from the main part variation in three types of Ural populations of S. cer- of the range and from each other becomes progressively nua: the arctic populations from the center of the range, higher (Brown, 1984). As the geographic isolation of the relict peripheral populations, and the hybrid periph- plant populations increases, seed and pollen exchange eral populations. between populations decreases, which should result in During the ﬁeld seasons of 2001 and 2002, we col- the reduction of the generic diversity of peripheral pop- lected 12 samples from S.
Russian Journal of Ecology – Springer Journals
Published: Nov 18, 2004
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