Research on the Use of TM Image Instead of Aerial Photo in Forest Management Inventory An Example on Forest Stock Estimation Using Remote Sensing in Forest Management Inventory Remote Sensing Estimation of Forest Net Primary Productivity in Heilongjiang Province with C-FIX Model Characteristics and Application of GF-1 Image in Grassland Monitoring Effects of atmospheric calibration on remote sensing estimation of Moso bamboo forest biomass. Grass NPP Estimation by Remote Sensing and Its Feasibility in Desert Grassland Forest Biomass Estimation Using Remote Sensing Based on Canopy Density Simultaneous Equations Model A Research on the Dynamic Monitoring System for Forage-Livestock Balance in the Temperate Grassland of China