| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2010: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2009: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2008: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Research Abstract |
Regeneration state in the gaps which were created by oak wilt disease was researched, and crown maps of potential seed trees of beech and oak other than beech around the gaps were drawn on an aerial photograph. Important nutrients maps including acorns of beech and oak were drawn and were layered on the crown maps. Effect of gap size on the regeneration after oak death was evaluated by comparing growth of young trees in the different sizes of gaps. On the basis of these results, regeneration system of oak wilt disease stand for large sized wild life was discussed.
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