-
Takayoshi KOIKE
Hokkaido University Forests
-
Youko WATANABE
Graduate School of Agriculture, Hokkaido University
-
Takanori SHIBATA
Graduate School of Agriculture, Hokkaido University
-
Sawako MATSUKI
Japan Society of Promotion of Science, JSPS:Hokkaido Forest Res. Inst.
-
Takeshi MATSUMOTO
Forestry & Forest Prod. Res. Inst; FFPRI., Shikoku Res. Ctr.
-
Ysuaki SAKAMOTO
FFPRI, Hokkaido Res. Ctr.
-
Yutaka MARUYAMA
FFPRI, Hokkaido Res. Ctr.