Models and methods for information extraction of complex ground objects based on LandSat TM images of Hainan Island, China Temporal and spatial analysis of forest biomass in Changbai Mountains, Heilongjiang, China The relationship between estimation of vegetation carbon assimilation and remote sensing information HYPERSPECTRAL REMOTE SENSING INFORMATION MODEL FOR DISERTIFICATION DEGREE ASSESSMENT A Study on the Grassland Forage Yield Forecasting Using Projection Pursuit Regression (PPR) Technology Research on Wetland Type Classification Based on Improved Remote Sensing Index of Worldview-2 Data Application of RS, GIS and GPS Techniques in Study of Avian Habitat