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Contemporary Problems of Ecology

2002 year, number 5

Plant Speciation in the Mountains of Siberia

Pages: 531-540


In 28 basic floristic areas (BFA) of Siberia, relative abundance of endemic and hemiendemic species, and only endemic species, have been determined. Diagrams show the localities of intensive speciation, mostly mountains. Endemic species have been divided into zonal groups: (1) arctic, alpine, and arctic-alpine; (2) taiga-boreal, mountainous, and hyparctic; (3) steppe, forest-steppe, and nemoral. In these groups, the homogeneity of BFA`s was evaluated by the Preston`s index (1