TREES AND SHRUBS OF THE SQUARES DZERZHINSKY AND MOTOVILIKHINSKY DISTRICTS OF PERM
Conducted in 2014-2015, examination of the species composition of parks, gardens and boulevards (30 property) Dzerzhinsky and Motovilikhinsky districts of Perm showed that species diversity of trees and shrubs, half of them small - less than 20 species. 15 objects, the number of species exceeded 20. The survey squares Dzerzhinsky district was found 93 species and hybrid taxa from 25 genera and 18 families, in the Motovilikhinsky district 101 species and hybrid taxa from 22 genera and 17 families, and in both areas 121 species, 50 genera, 18 families. More than half of all species (54%) belong to 2 families (Rosaceae - 35%, and Salicaceae - 19%). Quite numerous are the Pinaceae family (9 species) and Oleaceae (7 species). Trees from the total number of species - 60, shrubs and subshrubs - 46, plants with non-permanent biomorphs - 15. We have found 8 taxa, not previously observed for the dendroflora Perm (Rosa davurica Pall., Rosa microdenia Mironova, Rosa tschatyrdagi Chshan., Populus moscowiensis R. I. Schroed., Salix reichardtii A. Kern., Salix stipularis Sm., Tilia x vulgaris Hayne, Tilia europaea L.). Conducted research of public spaces (squares Lenin, Dzerzhinsky, Motovilikhinsky districts) revealed the presence of 135 species and hybrid taxa from 51 genera and 18 families.