ORGANELLE INVAGINATION AND FORMATION/DEGRADATION OF NUCLEAR VACUOLE Residue decline dynamics and safety utilization of carbendazim in cultivation of Anoectochilus roxburghii Remote sensing and GIS based comparison of land-use classification methods and data mining for degree of land degradation: a case study in Leilongwan Area, Hengshan County, Shannxi Province Seed movement in the secondary bare alkali-saline patch and its implication for ecological restoration in the Songnen grassland, northeastern China Characteristics and distributions of degraded ecological types in China Plant Community and Reproductive Allocation of Alpine Meadow with Different Degradation Degrees in Northern Tibet Nutrient Components and Rumen Degradability Dynamics of Chloris virgata at Different Growth Stages Analysis on High Spectral Characteristics of Degraded Seriphidium transiliense Desert Grassland Spatio-temporal Analyses of Vegetation Degradation Patterns in Zoige from 2001 to 2013