F. Satoh

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High accuracy positioning services named PAS, based on nation wide RTK-GPS and FKP method, has been realized in Japan, and commercially operated since September 2003. Cm-level accuracy is obtained and uniformity in the service area is also validated. Application to human navigation prototype system is also shown with real image on cellular phone, and will(More)
Ecological function of charcoal has been mainly investigated by adding charcoal to soil, which is not fully adequate to understand in situ the role in fire-prone forest ecosystem. To determine in situ effects of charcoal on ecosystem functions, such as nutrient availability, we conducted an experimental burning in a Japanese white birch forest with dense(More)
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