Evaluation on grassland ecosystem service of Xin Barag Youqi

Grassland ecosystems provide human with ecological functions and services. However, due to dual impact from human activities and natural factors, the ecological and economic problems triggered by grassland degradation are becoming increasingly prominent. Evaluating the grassland ecosystem services is significantly meaningful for grassland protection and decision-making in economics. The ecosystem services of Xin Barag Youqi grassland were firstly evaluated using multiple eco-economics methods. The result showed that the total value of the ecosystem services of Xin Barag Youqi grassland was about 200.69×108 CNY·a-1, among which, the value of hay production equaled 7.89×108 CNY·a-1, atmosphere regulation 4.207×109 CNY·a-1, water source conservation 1.78×109 CNY·a-1, soil conservation 1.287 9×1010 CNY·a-1, nutrient cycling 2.51×108 CNY·a-1, waste degradation 9×106 CNY·a-1, recreation and culture 1.54×108 CNY·a-1. Functional value of ecosystem services is soil conservationatmosphere regulationwater source conservationhay productionnutrient cyclingrecreation and culturewaste degradation.