[1]李茂森,王继军,陈超,等.基于GIS的安塞县县南沟流域农用地生态适宜性评价[J].水土保持研究,2018,25(01):237-242.
　LI Maosen,WANG Jijun,CHEN Chao,et al.Ecological Suitability Evaluation of Agricultural Land in Xiannangou Watershed of Ansai Using GIS System[J].Research of Soil and Water Conservation,2018,25(01):237-242.
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基于GIS的安塞县县南沟流域农用地生态适宜性评价

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 25 期数: 2018年01期 页码: 237-242 栏目: 出版日期: 2018-02-28
Title:
Ecological Suitability Evaluation of Agricultural Land in Xiannangou Watershed of Ansai Using GIS System
作者:
李茂森1, 王继军1,2, 陈超4, 成思敏2,3, 李玥1
1. 西北农林科技大学 水土保持研究所, 陕西 杨凌 712100;
2. 中国科学院水利部 水土保持研究所, 陕西 杨凌 712100;
3. 中国科学院大学, 北京 100049;
4. 陕西地建土地工程技术研究院, 陕西 西安 710075
Author(s):
LI Maosen1, WANG Jijun1,2, CHEN Chao4, CHENG Simin2,3, LI Yue1
1. Institute of Soil and Water Conservation, Northwest A & F University, Yangling, Shaanxi 712100, China;
2. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi 712100, China;
3. University of Chinese Academy of Sciences, Beijing 100049, China;
4. Institute of Land Engineering & Technology, Shaanxi Provincial Land Engineering Construction Group, Xi’an, Shaanxi 710075, China
关键词:
县南沟流域; 适宜性评价; GIS; 农用地划分
Keywords:
Xiannangou watershed; suitability evaluation; GIS; agricultural land classification
分类号:
S1127
摘要:
利用立地条件、土壤性质和土地利用状况3个方面共8个因子构建县南沟流域农用地生态适宜性评价指标体系，采用AHP层次分析法和专家打分的方式确定各评价因子的权重，在遥感（RS）和地理信息系统（GIS）技术的支持下，利用适宜性评价模型定量评价流域农用地生态适宜性，将各土地利用类型适宜性划分为4个等级，结合各土地利用类型的重要程度与适宜性等级划分流域内农用地各区域的适宜性。结果表明：流域内宜耕宜园地面积为225.46 hm2，占流域总面积的5.09%；宜耕地面积为405.68 hm2，占9.17%；宜林宜园地面积为156.96 hm2，占3.55%；宜园地面积为773.15 hm2，占17.47%；宜林宜草地面积为881.43 hm2，占19.91%；宜林地面积为409.91 hm2，占9.26%；宜草地面积为1 490.00 hm2，占33.66%；不适宜和非生产用地面积为83.43 hm2，占1.89%。研究结果可为县南沟流域农用地的合理划分提供科学参考。
Abstract:
Based on the site conditions, soil properties and land use status, 8 factors were used to construct the ecological suitability index system of agricultural land in Xiannangou Watershed. And the weights of each evaluation factor were determined by analytic hierarchy process and expert scoring method. With the support of remote sensing and geographic information system, the suitability evaluation model was used to quantitatively evaluate the ecological suitability of agricultural land, then the land use types were divided into four grades. We combined the importance of land use types and suitability of the classification of agricultural land to divide the agricultural land in the watershed. The results show that the area suits to orchard is 225.46 hm2, accounting for 5.09% of the total area; the area only suits to cultivation is 405.68 hm2, making up 9.17% of the total area; the area suits to woodland and orchard is 156.96 hm2, taking up 3.55% of the total area; the area only suits to orchard is 773.15 hm2, accounting for 17.47% of the total area; the area suits to woodland and meadow is 881.43 hm2, accounting for 19.91% of the total area; the area only suits to woodland is 409.91 hm2, accounting for 9.26% of the total area; the area only suits to meadow is 1 490.00 hm2, accounting for 33.66%of the total area. The remaining unsuitable and unproductive area is 83.43 hm2, accounting for 1.89% of the total area. These results can provide a scientific reference for the reasonable division of agricultural land in Xiannangou Watershed.

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备注/Memo

收稿日期:2017-4-6;改回日期:2017-4-25。
基金项目:国家自然科学基金“基于CDM下的陕北退耕区域农业产业—资源系统耦合机制研究”（41571515）；国家重点研发计划课题“生态技术评价方法、指标与评价模型开发”（2016YFC0503702）；国家重点研发计划项目“黄土高原水土流失治理与生态产业协同发展技术集成与模式”（2016YFC0501707）
作者简介:李茂森(1992-),男,四川达州人,硕士研究生,研究方向:水土保持与荒漠化防治。E-mail:461907922@qq.com
通讯作者:王继军(1964-),男,陕西渭南人,研究员,博士生导师,研究方向:流域生态经济。E-mail:jjwang@ms.iswc.ac.cn

更新日期/Last Update: 1900-01-01