PLANT COMMUNITIES OF BROAD-LEAVED FORESTS OF THE COLCHIS LOWLAND (WESTERN TRANSCAUCASIA)
https://doi.org/10.36305/0513-1634-2021-138-39-49
Abstract
Three associations of the class Carpino-Fagetea Jakucs et Passarge 1968 were described as а result of the classification of forest communities of the Colchis Lowland (Westem Transcaucasia) using the Brown Blanquet method. Association Vaccinio arctostaphilli-Carpinetum betuli ass. nova prov. was included in the order Lathyro-Carpinetalia Passarge 1981, alliance Crataego-Carpinion Passarge 1981. Associations Truello thunbergii-Alnetum barbatae ass. nova prov. and Carici remotae-Pterocmyetum pterocarpae ass. nova prov. were included in the order Rhododendro ponticae-Fagetalia orientalis Quezel et al. 1992, alliance Alnion barbatae Quezel et al. 1992. The results of the DCA ordination and the interpretation of the leading axes demonstrated three well-distinguished ecological and floristic types of deciduous forests (ofthe association rank) forming the ecological series according to the leading ecological factors - the degree of humidity of habitats and the degree of drainage of substrates. Twenty-three plant species - thermophilous Tertiary rehcs were found in all three associations. Of these, eight evergreen species play а significant phytocoenotic role in the formation of the understory in forest communities.The pecuharities of the Tertiary rehc speciesdistributions in the floristic compositions of described associations are discussed.
Keywords
About the Authors
N. B. Ermakov
Никитский ботанический сад - Национальный научный центр РАН; Майкопский государственный технологический университет; Хакассий государственный университет
Russian Federation
Russian Federation
Yu. V. Plugatar
Никитский ботанический сад - Национальный научный центр РАН
Russian Federation
Russian Federation
V. D. LeiЬa
Абхазская научно-исследовательская лесная опытная станция
Russian Federation
Russian Federation
E. V. Ermakova
Никитский ботанический сад - Национальный научный центр РАН
Russian Federation
Russian Federation
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Review
For citations:
Ermakov N.B., Plugatar Yu.V., LeiЬa V.D., Ermakova E.V. PLANT COMMUNITIES OF BROAD-LEAVED FORESTS OF THE COLCHIS LOWLAND (WESTERN TRANSCAUCASIA). Bulletin of the State Nikitsky Botanical Gardens. 2021;1(138):39-49. (In Russ.) https://doi.org/10.36305/0513-1634-2021-138-39-49
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