【摘要】 以随县厉山镇2009—2015年的土地利用变化数据为基础,基于修正后的生态系统服务价值当量,估算并分析了厉山镇生态系统服务价值及其变化特征。结果表明,研究期间厉山镇土地利用变化显著,其中:耕地面积减少486.80 hm~2,建设用地面积增加628.30 hm~2;土地利用结构的信息熵和均衡度呈上升趋势,优势度略有下降,土地利用结构更加合理;生态系统服务总价值由2009年的11.306 6亿元下降到2015年的11.097 0亿元,年变化率达-3.40%;单项生态服务功能价值持续下降,但气体调节、气候调节、水文调节、废物处理、保持土壤和维持生物多样性生态服务功能价值为9.258 8亿～9.433 8亿元,其价值总和约占生态服务功能总价值比例的83%;各种用地类型的生态系统服务价值的敏感性指数明显小于1,生态系统服务价值弹性不足,估算结果较为准确。能为鄂西北地区土地利用结构优化和乡村振兴战略的实施提供参考。更多还原

【Abstract】 Based on the land use change data of Lishan Town in Sui County from 2009 to 2015, combined with the revised value of ecosystem service value, the value and characteristics of ecosystem services in Lishan Town were estimated and analyzed.The results of the study are: During the study period, the land use of Lishan Town changed significantly, of which the area of cultivated land decreased by 486.80 hm~2, and the area of construction land increased by 628.30 hm~2; The information entropy and evenness of the land use structure are on the rise, the dominance is slightly reduced, and the land use structure is more reasonable; The total value of ecosystem services decreased from 1.130 66 billion yuan in 2009 to 1.109 7 billion yuan in 2015,with an annual rate of change of-3.40%; The value of individual ecological service functions continued to decline, but the value of gas regulation, climate regulation, hydrological regulation, waste treatment, soil conservation and maintenance of biodiversity ecological services was 0.925 88 billion to 0.943 38 billion yuan, and its total value accounted for the proportion of total value of ecological services 83%; The sensitivity index of ecosystem service value of various land types is obviously less than 1, the elasticity of ecosystem service value is insufficient, and the estimation results are more accurate, which can provide reference for the optimization of land use structure and the implementation of rural revitalization strategy in northwest Hubei.更多还原