Fig. 3.
Regional differences in environmentally induced growth for four major plantations in Japan, described as the contribution of growth enhancement per hectare to the total increase in biomass density (Rgepa). (A) Japanese cedar, (B) Japanese cypress, (C) Japanese red pine, (D) Japanese larch plantations, and (E) map of Japan showing the regional divisions used in this study. Following Japanese inventories, the country was divided into eight regions: Hokkaido (HKD), Tohoku (THK), Kanto (KTO), Chubu (CHB), Kinki (KNK), Chugoku (CGK), Shikoku (SHK), and Kyushu-Okinawa (KYS-OKA).