ZHANG Hui,ZANG Liang,ZHAO Hongan,et al.Evaluation Method of Cultivated Land-scaled Consolidation Potential Based on Landscape Pattern Principle[J].Research of Soil and Water Conservation,2017,24(03):308-313.
景观格局视角下平山县耕地规模化整理潜力评价
- Title:
- Evaluation Method of Cultivated Land-scaled Consolidation Potential Based on Landscape Pattern Principle
- Keywords:
- cultivated land-scaled consolidation; landscape pattern; potential evaluation; obstacle diagnosis; Pingshan County
- 分类号:
- F301.24
- 摘要:
- 从地形条件和土地景观格局两方面选取高程、地形起伏度、斑块面积指数等8项指标构建耕地规模化整理潜力评价指标体系。以平山县为研究区，在ArcGIS空间分析功能支撑下探讨了村级间耕地规模化整理难易程度，并采用障碍诊断分析方法分析制约了耕地规模化整理的限制因素，以期为今后区域土地整理提供科学依据。结果表明：平山县村级耕地规模化整理潜力指数分布在[0.12，0.9]区间内，村级间差异较大，整体上由西北向东南依次递增；从耕地规模化整理分区结果来看，四级区的耕地面积最多（51.2%），其次为三级区（21.3%），五级区和二级区耕地面积总和与三级区相当，一级区的耕地面积最少（0.9%），分区等级越大耕地规模化整理越容易；整理由难变易时，主要障碍因素由耕地资源丰度（RI）和地形起伏度（RDLS）逐渐变为耕地聚集度（CI）和耕地资源丰度（RI）。
- Abstract:
- In this paper, eight indexes such as altitude, relief amplitude, patch area and extra, from two perspectives of terrain conditions and landscape pattern, have been selected to structure the potential evaluation index system of cultivated land-scaled consolidation. In order to provide a scientific basis for future regional land consolidation, Pingshan County is selected as the study area, and the complexity of cultivated land-scaled consolidation at village level is studied under the spatial analysis function of ArcGIS, and the limiting factors of cultivated land-scaled consolidation is analyzed by using the obstacle diagnosis method. The results show that the cultivated land-scaled consolidation potential index value distributes in [0.12, 0.9], and differs greatly in villages. Furthermore, the index value increases overall from the northwest to the southeast. The partition results of cultivated land-scaled consolidation show that the cultivated land in the quaternary area is the largest (51.2%) and in the tertiary area is the second largest (21.3%). The total cultivated land area of the quinary area and the second area is equal to the tertiary area. The cultivated land in the first area is the least (0.9%). The greater degree of partitions is, the easier cultivated land-scaled consolidation is. When consolidation becomes easier, the major obstacle factors of cultivated land-scaled consolidation change from RI and RDLS to CI and RI.
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备注/Memo
收稿日期:2016-04-18;改回日期:2016-05-24。
基金项目:河北省社会科学资助项目“河北省城乡一体化进程中耕地资源安全评价及保护机制创新研究”（HB14GL040）
作者简介:张慧(1991-),女,河北邯郸人,硕士研究生,研究方向为土地资源规划与利用。E-mail:zhanghui1991ly@163.com
通讯作者:朱永明(1969-),男,黑龙江绥化人,副教授,主要从事土地资源利用与规划研究。E-mail:zhyming2005@126.com