| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2011: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2010: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2009: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2008: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Research Abstract |
The semi-natural lucidophyllous forests on six localities from Okinawa Pref. to Tokyo Pref., were studied in order to clarify the species composition and species richness of the forests. The semi-natural lucidophyllous forests were characterized by the simplicity of species composition and the decrease in species richness. Most of the lucidophyllous forests in the Iriomote Island, the Yakushima Island and others had been seemed the primeval or natural forests, but the lucidophyllous forests originated from the semi-natural lucidophyllous forests which were used as a source of firewood and charcoal, and were leaved after 1960's. The natural or primeval lucidophyllous forests were not hardly reserved in Japan. Therefore the semi-natural lucidophyllous forests were important as a lucidophyllous ecosystem. The semi-natural forests will need managing for the purpose of increasing species richness.
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