Effects of Yaks Grazing Methods on the Community Characteristics of Kobresia pygmaea Meadow in Tibet Response of Kobresia pygmaea Phenology and Biomass to Climate Change in the Yangtze River Headwaters Region Distribution and Utilization of Kobresia pygmaea type Pastures in Naqu Prefecture of Tibet Effect of burrow entrance densities of plateau pika (Ochotona curzoniae) on interspecific association in Kobresia pygmaea meadow The impact of grazing on the activities of soil enzymes and soil environmental factors in alpine Kobresia pygmaea meadow Protein Level Analysis of Kobresia pygmaea (Cyperaceae) Response to Diurnal Environment on the Tibetan Plateau Study on reproductive ecology of Kobresia pygmaea population in alpine meadow Community Structure and Biomass Dynamic of the Kobresia pygmaea Steppe Meadow GENETIC DIVERSITY OF KOBRESIA PYGMAEA POPULATIONS ALONG A GRAZING GRADIENT Effect of 3-year fencing on soil seed banks of three alpine grassland communities The despondences of carbon and nitrogen reserves in plants and soils to vegetations cover change on Kobresia pygmaea meadow of Yellow River and Yangtz River source region