ABOUT METHODS OF IMMIGRATION OF NEW SPECIES INTO THE FLORA OF THE ASTRAKHAN REGION
Methods of immigration of adventitious plants into the territory of the Astrakhan region are investigated in the paper. Xenophytes (unintentionally adventitious species) are represented with 158 species; it is 61.48 % of the whole amount of adventive flora of the region. Fifty seven species of them are mainly brought with motor transport. Eight species are brought with rail traffic. Three species - with water transport. Twenty nine species are brought with seed stock of agricultural crops. Three species - with seeds of ornamental plants. Ergazyophytes (intentionally adventitious specious) are 92 species. Seventeen of them are intentionally introduced into natural and seminatural locations. The other 75 species run wild from cultivated plantings. Xeno-erganiophytes (run wild and adventitious accidentally at the same time) are represented with 7 species.