Population structure and succession in temperate forests of southwestern Japan |
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Authors: | Nobukazu Nakagoshi Shuji Wada |
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Institution: | (1) Department of Environmental Studies, Faculty of Integrated Arts and Sciences, Hiroshima University, Higashi-senda, Naka-ku, 730 Hiroshima, Japan |
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Abstract: | In the temperate forests of southwestern Japan, the population density of woody plants in the community increases in the early stage of secondary succession, reaches a peak in the old oak-chestnut forest, and decreases towards the climax beech forest. The species richness and diversity of woody plants also show a trend similar to that of the population density. The canopy-tree population decreases in the course of the succession while the basal area increases, showing a self-thinning process. The species richness, diversity and population density of herbaceous plants are much influenced by the dominance of the bamboo, Sasa palmata. The life-history traits of trees, lower trees and shrubs are discussed in relation to their shoot system, reproductive pattern and successional processes. |
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Keywords: | Life-history traits Phytocoenosis Population structure Regeneration niche Species diversity Succession Woody plants |
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