Сосудистые растения в Красной книге Тюменской области: анализ таксономического и экологического состава

Abstract

The updated list of the Red Book of the Tyumen Region includes 315 species, including 140 species of vascular plants from 97 genera and 43 families. More than 90 % of the protected species belong to the division of seed plants, of which 57,5 % are dicots and 42,5 % are monocotyledonous angiosperms. The leading family is the Orchidaceae, which includes 25 protected species (18 %). Most species belong to the ecological group of mesophytes and transitional groups of hygromesophytes and xeromesophytes (a total 72 species). There are 29 species of hydrophilic, xerophilous – 39. Most protected species (99) are distributed within Eurasia. 25 species have Holarctic area, Asian distribution is typical for 15 species, and one species is hemicosmopolitan. In the group of protected plants, the most steppe (63 species, or 45 %) and forest (64, or 45,7 %) species. Out of 140 taxa, 18 species are entered in the Red Book of the Russian Federation.