In order to explore the eveironmental conditions for the formation of Cinnamomurn camphor plantation and the influence on climate and environment by forests, a monitoring station was set up in the plantation . The results showed that although the fluctuations of the atmosphere temperature, humidity, soil temperature,soil humidity,etc, of the C. camphor plantation were not in well accordance with that of sun radiation, the single-top shaped diurnal variations curve of the temperature of leaves around the canopy edge fitted quite well with sun ra...