Assessment and Optimization Strategies of Vegetation Ecosystem Services in Inner Mongolia Region
The Inner Mongolia region possesses unique grassland ecosystems that play crucial roles in main-taining biodiversity,promoting soil nutrient cycling,and supporting livestock production. However,these ecosystem services have faced numerous challenges in recent years due to climate change and human activi-ties. This study selected the representative grassland areas of Hulunbuir grassland,Xilamuren grassland,Xilingol grassland,Heshigten grassland,and Horqin grassland in Inner Mongolia for investigation. Through field surveys and data analysis,the grass supply services (including annual grass production and carrying capacity),soil quality (organic matter,total nitrogen,total phosphorus content),and biodiversi-ty of each grassland area were assessed. Additionally,a systematic analysis of soil organic matter,total nitrogen,and total phosphorus content under various vegetation types was conducted to explore the im-pacts of different vegetation types on soil quality. The study found that the Hulunbuir grassland exhibited optimal performance in terms of annual grass production and soil nutrient content,while the Xilingol grassland,despite having the highest carrying capacity,showed relatively lower soil nutrients and biodi-versity. The soil organic matter content was high under the sheepgrass community,with high total nitro-gen content in thyme and sheepgrass,and the highest total phosphorus content in sheepgrass,indicating the significant influence of vegetation types on soil nutrients. In terms of biodiversity assessment,the Shannon-Wiener index and richness index of Hulunbuir grassland were the highest. Significant regional differences exist in the provision of ecosystem services by rural vegetation in Inner Mongolia,and optimi-zation strategies should be tailored to specific conditions in each region. It is recommended to implement ecological conservation measures in areas with high biodiversity and good soil quality,while restoration measures such as grazing prohibition,rotational grazing,and artificial seeding should be adopted in regions with low soil nutrients and poor biodiversity. Furthermore,improving soil nutrient management and im-plementing sustainable grazing practices can enhance ecosystem service functions,ensuring ecological secu-rity and sustainable development. Long-term ecological monitoring and community engagement are essen-tial for the sustainable management of Inner Mongolia grassland resources.