Abstract
The study results of the morphological structure and ground vegetation phytocoenotic activity in forest nurseries in the Arkhangelsk region have been presented. About 44 % of forest nursery plant species are highly active (12 %)species, active species (32 %), the share of medium activity species makes up 23 % in accordance with the classification of phytocoenotic activity. The largest biogroup of the flora is formed by perennial plants. They are represented by both vegetative mobile species and vegetative small and immobile plants. The results of the analysis reflect the diversity of bioecological adaptations of weed plants to the conditions of meadow communities, and are of particular practical importance, since it allows increasing the efficiency of the weed plants control system.
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