LI Jianhua,WANG Dongjie,CHENG Jingyu,et al.Analysis of the Spatial Characteristics of Cultivated Land Utilization Grade Based on Zonal Soil in Yunnan Province[J].Research of Soil and Water Conservation,2016,23(04):221-225,232.
土壤地带性分区下云南省耕地利用等空间特征分析
- Title:
- Analysis of the Spatial Characteristics of Cultivated Land Utilization Grade Based on Zonal Soil in Yunnan Province
- 分类号:
- F301.24
- 摘要:
- 基于云南省农用地分等成果，服务农业产业化发展，以土壤改良利用的土壤地带性分区为角度，通过采用空间叠加分析与统计的方法，分析了全省耕地利用等的空间分布。结果表明：（1）云南省砖红壤、赤红壤、山原（地）红壤地带的耕地利用等广泛分布在2—5等，7等以上较少，黄棕壤与棕壤地带的耕地利用等分布在1—6等；（2）各土壤地带中耕地平均利用等随海拔的升高而递减，且在同海拔梯度上黄棕壤与棕壤地带的耕地平均利用等均小于其他土壤地带；（3）砖红壤和赤红壤地带中的耕地平均利用等随纬度增加而递增，山原（地）红壤、黄棕壤与棕壤地带的则减小。该研究可为云南省的土壤改良利用、土地整治、农业产业化发展等工作的开展提供参考。
- Abstract:
- Based on the farmland grade results in Yunnan Province, we analyzed the characteristics of spatial distribution of cultivated land use to serve the development of agriculture industrialization, improve soil and use land from the view of zonal soil by combining statistics and overlay analysis. The results showed that:(1) utilization grades of cultivated land within lateritic red soil, latosol soil and mountain and upland red soil widely were identified as from grade 2 to grade 5, and the idenitfied gradation which was above grade 7 accounted for a little proportion. The grades of cultivated land within yellow brown and brown soil appeared from 1 to 6; (2) the average utilization grade of cultivated land within different zonal soil types decreased with the increase of elevation, and grades of yellow brown and brown were lower than the other’s at the same elevation; (3) with the increase of latitude, the average utilization grade of cultivated land belonging to latosol and lateritic red soil types increased while the another reduced. This research results could support the work of improving soil, land consolidation and developing agriculture industrialization.
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备注/Memo
收稿日期:2015-07-02;改回日期:2015-09-24。
基金项目:国土资源部公益性行业科研专项经费“乌蒙山区立体特征分异下的土地利用分区及综合评价”（201511003-1）
作者简介:李建华(1980-),男,湖南娄底人,博士,讲师,主要从事土地利用与整治研究。E-mail:wenniforever@126.com
通讯作者:余建新(1958-),男,云南普洱人,教授,硕士生导师,从事土地利用工程、水利水电工程研究。E-mail:ynndg126@163.com