Application of remote ensing in urban ecosystem research Application of Large Aerophotos for the Height Measurement of Tree THE ANALYSIS OF MAIN TREE MEASURATION FACTORS BY USING LARGE SCALE AERIAL PHOTOS Large scale eco-hydrological model and its integration with GIS Water Requirement,Water Requirement Rate and Crop Coefficient of Alfalfa in Bashang Area(Ⅳ) Studies on tissue culture and rapid propagation technique of Iphigenia indica Estimation of soil organic carbon density and storage in Zhejiang Province of East China by using 1:50000 soil database. Progresses of ecological risk assessment Large Scale Permanent Plot Developed and Its Three-Dimension Realized in Tianshan Forest LARGE SCALE CULTURE GLYCYRRHIZA URALENSIS FISCH CELLS IN DRAUGHT TUBE AIRLIFT BIOREACTORS Spatial Patterns of Floristic Composition of Invasive Alien Plants in Large Scale and Their Climatic Interpretation STUDY ON PHYTOPLANKTON IN LARGE SCALE ENCLOSURE AND FENCE IN AN EUTROPHIC LAKE