成渝经济区生态系统服务功能重要性评价

选取了生物多样性保护重要性、水源涵养重要性和土壤保持重要性3个重要生态系统服务功能进行分析评价，综合评价了成渝经济区生态系统服务功能的重要性及其区域分异规律. 结果表明:成渝经济区极重要区面积为19 244.00 km2>/sup>，占区域总面积的9.25%，主要为生物核心栖息地、极重要水源涵养区以及土壤保持极重要区；重要区面积为46 814.76 km2>/sup>，占区域总面积的22.56%；一般重要区面积为141 344.08 km2>/sup>，占区域总面积的68.19%. 

Assessment of Ecosystem Service Importance in Cheng-Yu Economic Zone

The importance of ecosystem services and their regional diversities in the Cheng-Yu Economic Zone were comprehensively assessed based on the analysis of biodiversity protection importance,water resources conservation importance,and soil protection importance.The results show that the area of extreme importance is 19,244.00 km2,which accounts for 9.25% of the total area of the economic zone,including core habitats of organisms as well as extremely important water resources conservation areas and soil conservation areas.The area of importance is 46,814.76 km2,accounting for 22.56% of the total area.The area of general importance is 141,344.08 km2,accounting for 68.19% of the total area.