| Budget Amount *help |
¥113,100,000 (Direct Cost: ¥87,000,000、Indirect Cost: ¥26,100,000)
Fiscal Year 2012: ¥19,110,000 (Direct Cost: ¥14,700,000、Indirect Cost: ¥4,410,000)
Fiscal Year 2011: ¥19,110,000 (Direct Cost: ¥14,700,000、Indirect Cost: ¥4,410,000)
Fiscal Year 2010: ¥19,110,000 (Direct Cost: ¥14,700,000、Indirect Cost: ¥4,410,000)
Fiscal Year 2009: ¥29,380,000 (Direct Cost: ¥22,600,000、Indirect Cost: ¥6,780,000)
Fiscal Year 2008: ¥26,390,000 (Direct Cost: ¥20,300,000、Indirect Cost: ¥6,090,000)
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| Research Abstract |
Plant growth chambers for the exposure to black carbon or ammonium sulfate particles were developed. The seedlings of Fagus crenata, Castanopsis sieboldii, Larix kaempferi and Cryptomeria japonica were exposed to black carbon or ammonium sulfate particles in the chambers for two growing seasons. The exposure to black carbon particles did not significantly affect growth and photosynthetic capacity of F. crenata, C. sieboldii, L. kaempferi and C. japonica seedlings. The exposure to ammonium sulfate particles did not significantly affect growth of F. crenata, C. sieboldii, L. kaempferi and C. japonica seedlings, but it significantly increased photosynthetic capacity in the current-year needles and significantly reduced that in the previous-year needles of C. japonica seedlings.
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