Variation of Sap Flow among Individual Trees and Scaling Up for Estimationof Transpiration of Larix principis rupprechtii Stand Mapping of forest carbon by combining forest inventory data and satellite images with co-simulation based up-scaling method A comparison of measured and calculated net community CO2 exchange: Scaling from leaves to communities Scaling up for transpiration of Pinaceae schrenkiana stands based on 8hm2 permanent plots in Tianshan Mountains AGGREGATION OF PLANT FUNCTIONAL TYPES BASED ON MODELS OF STOMATAL CONDUCTANCE AND PHOTOSYNTHESIS REGULATIONS OF WATER USE FOR TRANSPIRATION OF LARIX PRINCIPI-RUPPRECHTII PLANTATION AND ITS RESPONSE ON ENVIRONMENTAL FACTORS IN SOUTHERN NINGXIA HILLY AREA Estimation of Forest Carbon Distribution for Xianju County Based on Spatial Simulation