| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2016: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2014: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
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| Outline of Final Research Achievements |
We investigated regional variation in radial growth phenology (onset, cessation, and duration of radial growth) of Cryptomeria japonica D. Don trees in Japan. In sites with higher latitude, the C. japonica trees started to grow later than in sites with lower latitude. The cessation of the radial growth was independent of latitude. Consequently, in sites with higher latitude, the C. japonica trees continued to grow for a shorter period than in sites with lower latitude. The latitudinal gradients for duration of radial growth weakly but significantly supports that the regional variation in the growth phenology is one of the key factors of generating the regional variation in the long-term growth.
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