生态系统服务价值对土地利用变化的动态响应——基于2000～2012年安徽省淮南土地利用的经验证据

Dynamic Response of Ecosystem Services Value on Land Use Change: Based on Empirical Evidence from Huainan City in Anhui during 2000 and 2012

土地利用变化对生态系统服务价值具有重要影响。文章在构建生态系统服务价值对土地利用的动态响应模型及因子影响力系数估算模型的基础上,基于安徽淮南市土地利用变化的经验数据,实证检验了该研究区域生态系统服务价值对土地利用的响应特征,并探究了不同土地利用类型对生态系统服务价值的影响力大小。研究结果表明,该研究区域生态系统服务价值对土地利用程度的响应较大,土地利用程度对生态系统服务价值具有负效应,生态系统服务价值呈现出先增后减的倒"U"型变化趋势,其中,该区域耕地和建设用地对其生态系统服务功能的影响最大。因此,淮南市今后的发展一定要优化土地利用结构,注重生态环境质量,从而实现土地资源利用的可持续发展。

Land use change has a significant impact on the value of ecosystem services. Based on empirical evidence of land use change from Huainan City in Anhui Province, this＇research built two models, one was the ecosystem services value and its dynamic response to land use change, the other was factors influence coefficient estimation model, then empirically testing the dynamic response characteristics of ecosystem services to land use in the study area, and explored how the different types of land use influenced the value of ecosystem services. The results showed that, the ecosystem services value in the region responded to the land use degree with a large extent, and the land use degree had a negative effect on the ecosystem services value which showed the inverted ＂U＂ type trend, which meant it increased at first and then decreased. Besides, the cultivated land and construction land had the biggest impact on the ecosystem services value. This paper suggested that Huainan City should optimize land use structure in the future development and focused on the ecological quality of the environment in order to achieve sustainable use of land resources.