【摘要】 为探究土地利用方式改变引起的生态系统服务价值变化,实现土地利用和生态系统价值服务的可持续发展。以甘肃省徽县为研究对象,采用土地利用/土地覆盖变化模型和生态系统服务价值估算模型,结合多样化和敏感性分析,探讨了2009-2015年徽县土地利用方式变化对生态系统服务价值的影响,分析了生态系统服务价值损益情况及其生态敏感性。结果表明:2009-2015年,耕地、园地、林地和牧草地均呈减少趋势,水域、城乡建设用地、交通水利用地和未利用地呈增加趋势。总体来看土地利用程度中等。研究区土地利用结构偏单一,但正逐步变的多样化和均匀化;与2009年比较,2015年生态系统服务总价值增加。水域的正向贡献率占主导地位;2009-2015年,研究区土地生态系统的气候调节、水源涵养和废物处理的服务总价值远远大于粮食生产和原材料供应功能的总价值;2009-2015年,研究区土地利用变化处于低敏感区。徽县土地开发过程中,保持了生态系统的服务价值,反映了生态可持续的理念。更多还原

【Abstract】 In order to explore the change of ecosystem service value caused by the change of land use pattern and realize the sustainable development of land use and ecosystem value service.Taking Huixian county of Gansu province as the research object,this paper used the land use/land cover change model and ecosystem service value estimation model,combined diversification and sensitivity analysis,discussed the impact of land use change on ecosystem service value in Huixian county from 2009to 2015,and analyzed the profit and loss of ecosystem service value and its ecological sensitivity.The results showed that from 2009to 2015,cultivated land,garden land,forest land and grassland showed a decreasing trend,while water area,urban and rural construction land,traffic water use land and unused land showed an increasing trend.Generally speaking,the land use level was moderate.The land use structure of the study area was single,but it was gradually becoming diversified and homogeneous.Compared with 2009,the total value of ecosystem services increased in 2015.In 2009-2015,the total value of services for climate regulation,water conservation and waste disposal of the land ecosystem in the study area was far greater than the total value of food production and raw material supply;in 2009-2015,the land use change in the study area was in a low-sensitive area.In the process of land development in Huixian county,the service value of ecosystem has been maintained,which reflects the concept of ecological sustainability.更多还原