Abstract
Microclimatological conditions of Miscanthus sinensis stand in terms of plant succession were observed in summer (August 19_??_20) and autumn (October 30_??_31), 1982, in two different stands. One grows on convex topography (stand A) and the other on concave (stand B) in the observation area. Air temperature, specific humidity, soil temperature, solar radiation and soil moisture content were recorded hourly or at adequate intervals during the experimental periods. Measurements were also made on plant height, floristic composition and productive structure of both Miscanthus sinensis stands. Results are summarized as follows: 1. Soil moisture content in the stand B is greater than that in the stand A through-out the observed period. 2. Plant height and density are greater in the stand B than that in the stand A. 3. Solar radiation reaching to the ground surface in the stand A is greater than that in the stand B. 4. Maximum air temperature and the diurnal range of air temperature near the ground surface (6, 15 and 26cm height) are greater in the stand A than that in the stand B. Minimum soil temperature in the stand A is slightly higher than that in the stand B.
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