Forestry and the forest industry in Japan
This
suggests that private sector planting has been more active than public sector planting in the
prewar and postwar periods. In summary, forest managers in Japan aggressively converted
natural forest to artificial forest during the first two decades of the postwar period, and
thereafter have maintained forest resources so that growing stock has increased rapidly over
the last three decades.
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According to annual data published by the Forestry Agency, the area reforested from natural
to artificial forest constituted more than 150 000 ha annually for private forestry between
1960 and 1970. This means that more than 1% of private forests were cut and planted every
year during the decade.
Since 1955 the Forestry Agency has monitored the annual number of seedlings by species
planted on forestland excluding national forest. According to the data, the major species have
been sugi (Cryptomeria japonica - Jaapani seedripuu) and hinoki (Chamaecyparis obtusa -