Succession of shrub-layer vegetation and situation of wild Rhododendron in the abandoned Satoyama coppice forest
2009
Uehara, M.(Shinshu Univ., Minamiminowa, Nagano (Japan). Faculty of Agriculture) | Shigematsu, T. | Fujii, Y. | Iwamoto, S.
This paper analyzed forest structure include wild Rhododendrons in comparison to a managed forest's stand at 25 years ago and an uncared forest's stand during 50 years in the secondary forest floor of Hyogo prefecture in Japan. As a result of the analysis, the number of the plant in a management forest's stand were 42 species, and 20 of 29 species of trees were deciduous broad-leaved trees including Rhododendron reticulatum which does not have a flower. In addition, there were 13 species of herb at forest floor. On the other hand, there were a small number of the plant with 23 species in an uncared forest's stand, and 8 of 20 species of trees were deciduous broad-leaved trees without wild Rhododendrons. And uncared forest also had only 3 species of herb at forest floor. Hence this paper implies that the dominant trees and an evergreen broad-leaved tree of forest floor in the early successional stage had a conservation effect for biological diversity of deciduous trees and herbs in spite of past 25 years uncared.
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