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Siberian Journal of Forest Science

2014 year, number 1

Forest as Underground-Closed Dendrocenoecosystem

S.N. Sannikov, N.S. Sannikova
Botanical Garden, Russian Academy of Sciences, Ural Branch
8 Marta str., 202, Ekaterinburg, 620144 Russian Federation
Keywords: forest, coniferous, biogeocenosis, microecosystem, competition of the tree stand, undergrowth, lower layer of the phytocenosis


As a result of quantitative microecosystem analysis of structural and functional relationships between biogeocenosis components in coniferous forests, the leading role of stand-edificator's root competition factor has been identified in determining the undergrowth and lower layer plants growth, compared with its light competition. Considering the dominant role of a tree stand root competition in the formation of other forest biogeocenosis components, new definition of forest as underground-closed dendrocenoecosystem have been proposed.