| Budget Amount *help |
¥16,250,000 (Direct Cost: ¥12,500,000、Indirect Cost: ¥3,750,000)
Fiscal Year 2020: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Fiscal Year 2019: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Fiscal Year 2018: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2017: ¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000)
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| Outline of Final Research Achievements |
Forest canopy dynamics over the past 30 years were elucidated in 17 montane forests in the central to northern part of the Honshu Island in Japan. We measured the changes of canopy area by analyzing the past arial photos and the photos took by drone for this time together. The results showed that the average annual rate of change in the canopy area of conifers was positive in many sites, while the rate of change in the canopy area of deciduous broadleaf trees was positive in some sites and negative in others, over a 30-year period from the 1980s to the 2010s. We also found that the factors affecting the rate of change in tree distribution were different at the upper and lower limits of the distribution.
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