THE INFLUENCE OF RECREATIONAL IMPACT IN FOREST COMMUNITIES ON THE ALLELOPATHIC REGIME OF TREE EDIFICATORS
The allelopathic regime of the phytogenic field of model middle-aged trees of seven forest formations in the zone of humid subtropics of the Sochi Black Sea region was evaluated with an admissible range of stages of recreational digression. The method of biotesting of water extracts from forest litter, soil and roots was used to determine the spatial gradient of allelopathic activity of the phytogenic field environment. The share of participation of the allelopathic factor in the formation of the phytogenic field at certain stages of recreational digression was established. It was determined that the value of allelopathic intensity of the phytogenic field, depending on the stage of recreational digression, field zones and edificator species, can characterize the degree of resistance to the introduction of new species, recreational resistance and community stability.