The problems and resolutions of grassland ecosystem in karst of southwest China

The present paper analyzes the importance and problems of the grassland ecosystem in karst area of Southwest China. The problems included soil erosion, water loss, poor soil, rocky desertification, reduced biodiversity and the unreasonable utilization which should be resolved by different methods such as increasing areas of artificial grassland, improving the public's awareness of environmental protection, adjusting rural industrial structure, conserving soil and water, preventing and controlling rocky desertification, establishing and improving the monitoring and evaluation system. Hopefully, these analysis could provide reference for the health, stable and sustainable development of grassland ecosystem in karst area.