GROSS CALORIC VALUES OF DOMINANT SPECIES AND LITTER LAYER IN MID-MONTANE MO IST EVERGREEN BROAD-LEAVED FOREST IN AILAO MOUNTAIN AND IN TROPICAL SEASON RAIN FOREST IN XISHUANGBANNA, YUNNAN, CHINA Combustibility of Four Young Vegetation Restoration Stands in the Rocky Desertification Area in the Southwest Region of Hunan Province Monthly changes in the caloric values of the leaves of four shrubby and four tree-dwelling palmae species Dynamics of caloric value of Robinia pseudoacacia L. energy forest in the west of Henan Province Comparison of Caloric Value, C/N Ratio and Ash Content in the Leaves of Seedlings of Nine Species under Air Pollution Stress Analysis on the Caloric Values of Bambusa wenchouensisand Dendrocalamopsis vario-striata Study on energy of Pinus taiwanensis community in Wuyi Mountains Seasonal and Annual Dynamics of the Gross Caloric Valueof Eleven Poplar and Willow Clones