Spatial distributions of natural regenerating trees were measured in a Pinus thunbergii plantation on Mt. Tanakami, Japan. Most of species showed a contagious distribution, while distribution patterns of trees differed among the species. The effects of site conditions on the distribution pattern of regenarating trees were analyzed by the multiple regression method. Relative light intensity, moisture content of soil and distance from the mother tree were measured as factors of site conditions. P. thunbergii, P. densiflora and Quercus serrata favored drier conditions. The demand of P. thunbergii and P. densiflora for light was notably greater than other species. Excepting these three species, deciduous broad-leaved species showed more demand for light and moisture than evergreen. The distribution of saplings and seedlings of barochores, anemochores, and coppicing species was especially clustered near their mother trees.
|Translated title of the contribution||Effects of Site Conditions on Natural Regeneration in a Pinus thunbergii Plantation on Mt. Tanakami.|
|Publication status||Published - Mar 1993|