Analysis of vegetation dynamics using GIMMS NDVI3g in the Three-Rivers Headwater Region from1982 to 2012 Impact of Irrigation on Climate Impacts prediction of regional vegetation restoration on ecological security Accurate Estimation for Moso Bamboo (Phyllostachys edulis) Biomass in Zhejiang Province Based on the Lowest Scale Technique Important ecological topics on regional scale ecosystem management in China Factors influencing Mikania micrantha invasion and distribution at regional scale A review on research of implement application for crop simulation model in regional scale by using remote sensing technology