[1]李海丛,廖丽君,张建生,等.陆良县不同海拔耕地自然质量等变化特征分析[J].水土保持研究,2017,24(04):103-107.
　LI Haicong,LIAO Lijun,ZHANG Jiansheng,et al.Analysis of the Change Characteristics of Cultivated Land Physical Quality Grade at Different Elevations in Luliang County[J].Research of Soil and Water Conservation,2017,24(04):103-107.
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陆良县不同海拔耕地自然质量等变化特征分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 24 期数: 2017年04期 页码: 103-107 栏目: 出版日期: 2017-08-28
Title:
Analysis of the Change Characteristics of Cultivated Land Physical Quality Grade at Different Elevations in Luliang County
作者:
李海丛1,2, 廖丽君1,2, 张建生1,2, 张川1,2, 王东杰3, 陈运春1,2, 余建新1,2
1. 云南农业大学 水利学院, 昆明 650201;
2. 云南农业大学 国土资源科学技术工程研究中心, 昆明 650201;
3. 云南农业大学 资源与环境学院, 昆明 650201
Author(s):
LI Haicong1,2, LIAO Lijun1,2, ZHANG Jiansheng1,2, ZHANG Chuan1,2, WANG Dongjie3, CHEN Yunchun1,2, YU Jianxin1,2
1. College of Water Conservancy, Yunnan Agricultural University, Kunming 650201, China;
2. Engineering Research Center of Science and Technology of Land and Resources, Yunnan Agricultural University, Yunnan Kunming 6502011, China;
3. College of Resources and Environment, Yunnan Agricultural University, Yunnan Kunming 6502011, China
关键词:
农学其他学科; 变化特征; 空间分析与数理统计分析; 海拔; 耕地; 自然质量等
Keywords:
other subjects of Agronomy; variation characteristics; spatial analysis and mathematical statistics; elevation; cultivated land; physical quality grade
分类号:
F301.24
摘要:
针对云南省第一轮《农用地分等规程》中未将海拔作为分等因素的情况且缺少县域尺度海拔对耕地自然质量等影响的变化特征研究，以陆良县为研究区域，采用GIS空间分析和数理统计分析相结合的方法，探明不同海拔对耕地自然质量等影响的变化特征。结果表明：（1）总体上，陆良县水田、水浇地、旱地自然质量等均与海拔变化呈现线性相关关系，随海拔的升高而呈现降低趋势。（2）海拔低于2 000 m区域三者平均自然质量等均相对较高，为9.3～10.9等；海拔高于2 000 m区域三者平均自然质量等均相对较低，为10.0～11.8等。因此，县域尺度海拔对耕地自然质量等影响的变化特征规律明显，研究成果可为完善农用地分等理论研究工作提供参考。
Abstract:
In view of the situation that altitude has not been taken as one of the grading factors in the first round of the farmland classification regulation in Yunnan Province, and research on variation characteristics of the influence of different altitude on the cultivated land natural quality in the county scale is scarce, we took Luliang County as the study area, to find out the variation characteristics of the influence of different altitude on the cultivated land natural quality using the GIS spatial analysis and mathematical statistics analysis method. The results indicate that: (1) on the whole, the natural quality grades of the paddy field, the irrigated land and the dry land in Luliang County are linearly related to the changes of altitudes, and show the decreasing trend with the rise of altitude; (2) in these areas whose altitude are less than 2 000 meters, the average natural quality grades of the paddy field, irrigated land and dry land are all relatively high, the levels range between 9.3 and 10.9; in these areas whose altitudes are higher than 2 000 meters, the average natural quality grades of the paddy field, irrigated land and dry land are all relatively low, the levels are between 10.0 and 11.8. As a consequence, the variation characteristics of the influence of different altitudes on the cultivated land natural quality have obvious regularity. These results can be used to provide scientific basis for the perfection of farmland classification theory.

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备注/Memo

收稿日期:2016-06-07;改回日期:2016-07-11。
基金项目:国土资源部公益性行业科研专项经费项目“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）
通讯作者:余建新(1958-),男,云南普洱人,学士,教授,主要研究方向为土地评价与水土保持。E-mail:ynndgtzx@163.com

更新日期/Last Update: 1900-01-01