The urbanization as the main line of modern civilization directly captures extensive sites of ter-restrial sphere, causes sharp and fast changes of the landscape. Invasive species of plants of Kras-noyarsk flora collected in its administrative borders were chosen as the object of researches. In city biogenesis (urbocenosis) differing from natural in more intensive "metabolism", more active migration of substance, more powerful stream of waste, the quantity of wild-growing species of plants is very limited. The work purpose was the identification of structure and extent of naturalization of invasive types in flora of Krasnoyarsk. Urban flora invasive elements get into the structure with conscious and unconscious participation of the man. The main ways of drift are well developed transport network including the Trans-Siberian Railway, large enter-prises of heavy and light industry receiving raw ma-terials from different regions of Russia and neigh-boring countries, and also various factors of habitat (air, water currents, etc.). Invasive types are re-vealed as the result of general studying of all flora of the city by the method of model having manufac-tured the urbanized landscape, since 1985. 26 models having manufactured the trial areas were allocated in zones of old and new building of the city according to phytocenosis variety of city land-scape and features of anthropogenous loading. As a result of processing of lists of species of plants on them the report of invasive plants of Krasnoyarsk including 148 species of higher vascular plants was made. For each species extent of naturalization and distribution in the territory of the city was speci-fied. Analysis of the degree of adaptation of inva-sive species showed the predominance of colono-phytes in the flora of 76 species and 51.3 % of the number of invasive species.
vascular plants, urbanization, urban flora, invasive types, the extent of naturalization, epecophytes, colonophytes, ephemerophytes
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