Predicting site index of Japanese cedar [Cryptomeria japonica] plantation in Niigata [Japan] prefecture using situation and climate factor
2009
Ohtuka, F., Niigata Univ. (Japan). Faculty of Agriculture | Abe, N. | Tukahara, M.
This study was to evaluate the correlation of the site index of Japanese cedar with situation and climate factor, and to create the site index map by GIS software and Mesh climatic data of Japan 2000. Through a stepwise procedure, the hill shade, March-snow depth and May-quantity of whole sky sunlight were selected for a best-fit regression model. Then, when we analyze large area as the whole Niigata Prefecture area, availability of climate factor was approved. But, in this model the multiple correlation coefficients was 0.436. Lower precision was problem of this study.
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