Tree Ontogeny and Its Reflection in the Structure and Dynamics of Plant and Soil Covers |
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Authors: | Smirnova O. V. Bobrovskii M. V. |
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Affiliation: | (1) Center for Problems in Ecology and Forest Productivity, Russian Academy of Sciences, Novocheremushkinskaya ul. 69, Moscow, 117418, Russia;(2) Pushchino State University, pr. Nauki 3, Pushchino, Moscow oblast, 142292, Russia |
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Abstract: | Based on the results of our own long-term experiments and the analysis of published data, the process of individual development (ontogeny) of trees and the parameters of ontogenetic stages are described. Changes in the environment-forming (edificatory) role of a tree in the course of ontogeny and upon its completion are characterized. The performance of this role leads to the formation of the following components of biogeocenosis heterogeneity: phytogenic fields of trees, gaps in the tree canopy, and windfall–soil complexes. The data concerning the interrelation of structural transformations of the plant and soil covers in the course of forest vegetation and soil formation on the primary substrate are reviewed. |
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Keywords: | ontogeny ontogenetic stages gaps in the tree canopy windfall– soil complexes heterogeneity and mosaic structure of plant cover |
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