A Comparative Study on Reproductive Allocation of Mutual Species in Moderate-temperate and Warm-temperate Steppe The Role of Increased Precipitation in Promoting Branch and Leaf Growth of Nitraria tangutorum Forest Above-Ground Biomass Estimation Using Polarimetric Interferometry SAR Coherence Tomography Uncertainty Assessment in Regional-Scale Above Ground Biomass Estimation of Chinese Fir The thinning regular of the the shrubbery at Tongguling National Nature Reserve on Hainan Island,China Responses of Plant Groups, Diversity and Meadow Quality to High-rate N Fertilization on Alpine Kobresia humilis Community