北京大都市边缘区耕地多功能评价指标体系构建——以大兴区为例

发布时间：2018-06-26 02:23

  本文选题：土地评价 + 指标体系　； 参考：《中国土地科学》2017年08期

【摘要】：研究目的:构建基于过程的耕地多功能评价指标体系,探究耕地各功能间相关关系,并以大兴区为例加以应用。研究方法:基于"指标—过程—功能—需求"理论框架,构建基于过程的耕地多功能评价指标体系,运用指数和法、内梅罗综合污染指数法以及有机碳密度方程进行定量化评价。研究结果:(1)大兴区耕地生产、缓冲过滤功能处于中等偏下水平;(2)健康功能有进一步恶化的趋势;(3)碳固持功能较弱,且空间分异较其他三种功能更为明显;(4)碳固持和健康功能呈现拮抗关系,其他各对功能间均有一定的协同关系。研究结论:基于过程的耕地多功能评价指标体系的是可行的。
[Abstract]:Objective: to construct a multi-function evaluation index system of cultivated land based on process, and to explore the correlation between various functions of cultivated land, and take Daxing District as an example to apply it. Methods: based on the theory framework of "Index-process-Function-demand", the multi-function evaluation index system of cultivated land based on process was constructed, and the index sum method was used. Nemero comprehensive pollution index method and organic carbon density equation for quantitative evaluation. The results are as follows: (1) cultivated land production in Daxing area, the function of buffer and filtration is at the middle and lower level; (2) the function of health has a tendency to deteriorate further; (3) the function of carbon sequestration is weak, Spatial differentiation was more obvious than the other three functions. (4) carbon sequestration and health function showed antagonistic relationship, and the other pairs had some synergistic relationship. Conclusion: the process-based multi-function evaluation index system of cultivated land is feasible.
【作者单位】： 中国农业大学资源与环境学院;国土资源部农用地质量与监控重点实验室;国土资源部土地整治中心;
【基金】：国家自然科学基金面上项目(41771561) 北京市自然科学基金重点项目(8151001) 北京市大兴区耕地质量和耕地产能评价研究与试点项目
【分类号】：F323.211
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本文编号：2068641