[1]王铭烽,田风霞*,贺秀斌,等.三峡库区耕地质量评价[J].山地学报,2017,(04):556-565.[doi:10.16089/j.cnki.1008-2786.000253]
　WANG Mingfeng,TIAN Fengxia*,et al.Cultivated Land Quality Evaluation in the Three Gorges Reservoir Area[J].Mountain Research,2017,(04):556-565.[doi:10.16089/j.cnki.1008-2786.000253]
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三峡库区耕地质量评价()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2017年04期
页码:
556-565
栏目:
山区发展
出版日期:
2017-07-30

文章信息/Info

Title:
Cultivated Land Quality Evaluation in the Three Gorges Reservoir Area
文章编号:
1008-2786-(2017)4-556-10
作者:
王铭烽1; 2; 田风霞1*; 贺秀斌1; 鲍玉海1
1.中国科学院水利部成都山地灾害与环境研究所 山地表生过程与生态调控重点实验室,成都 610041;
2.中国科学院大学,北京 100049
Author(s):
WANG Mingfeng1;  2;  TIAN Fengxia1*;  HE Xiubin1;  BAO Yuhai1
1.Key Laboratory of Mountain Surface Processes and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China;
2.University of Chinese Academy of Sciences, Beijing 100049, China
关键词:
土地利用;  耕地质量;  地理信息系统;  综合评价;  三峡库区
Keywords:
land use;  cultivated land quality;  geographic information system(GIS);  comprehensive evaluation;  Three Gorges Reservoir Area(TGRA)
分类号:
F301.21
DOI:
10.16089/j.cnki.1008-2786.000253
文献标志码:
A
摘要:
本文基于GIS与RS技术,结合三峡库区区域特点,从自然质量、区位条件、生态安全和空间形态四个层面选取指标,构建三峡库区耕地质量综合评价指标体系,对库区耕地质量进行评价与分类,并利用统计数据对研究结果进行验证。结果表明,三峡库区耕地质量整体较好。其中,一类、二类耕地分别占库区耕地面积的22.31%与34.18%,主要分布在库尾各区县及库中的涪陵区; 三类、四类耕地分别占27.96%与15.55%,主要分布在库中各区县; 单位面积实际粮食产量较高的区县内,一类、二类耕地面积所占比例较高,而单位面积实际粮食产量较低的区县,三类、四类耕地所占比例较高。该研究结果可为三峡库区耕地保护与土地规划提供参考依据。
Abstract:
Cultivated land quality is not only the basis of cultivated land evaluation but also the basis of prime farmland demarcating.In this paper, it constructed a cultivated land quality comprehensive evaluation system, whose relevant indicators included the natural quality, site conditions, ecological security and spatial pattern for evaluation of cultivated land quality in the Three Gorges Reservoir Area(TGRA).It used statistical data to verify our evaluations.The results were as follows: The quality of cultivated lands were divided into four grades in TGRA, and the quality in generally was fine.The first grade of cultivated lands accounted for 22.31% of the entire cultivated lands, and mainly were distributed in the middle and tail of the TGRA.The second grade of cultivated lands accounted for 34.18%, and mainly were distributed in the middle and tail of TGRA.Compared with the first grade, the second grade at different places had different limiting factors.Therefore appropriate measures were adopted to improve the cultivated land quality according to the limiting factors, including soil improvement, cultivated land space adjustment and so on.The third grade of cultivated lands accounted for 27.96%, and mainly were distributed in the middle of TGRA.The poor spatial pattern was a sign of the third grade.And it needed a long-term planning and reasonable measures to improve the third grade quality.The fourth grade of cultivated lands accounted for 15.55%, and mainly were distributed in the middle of TGRA.The poor spatial pattern and the low ecological security were the signs of the fourth grade.As the fourth grade was referred, all kinds of limiting factors should be analyzed to determine whether or not to adopt returning farmland ecological engineering.According to grain production data in each county(district)of TGRA in 2010, the counties(districts)which had high yield per unit owned a high proportion of the first and the second grades of cultivated lands.In contrast, those had low yield per unit owned a high proportion of the third and the fourth grades of cultivated lands.These results will provide reference for cultivated land protection and land use planning in the TGRA.

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备注/Memo

备注/Memo:
收稿日期(Received date):2016-6-23; 改回日期(Accepted date):2016-9-11
基金项目(Foundation item):国家自然科学基金资助项目(41201273); 中国科学院科技服务网络计划(STS 计划)项目(KFJ-SW-STS-175-04); 国家自然科学基金资助项目(41571278)[National Natural Sciences Foundation of China(41201273); Science and Technology Service Network Initiative of CAS(KFJ-SW-STS-175-04); National Natural Sciences Foundation of China(41571278)]
作者简介(Biography):王铭烽(1990-),男,山东日照人,博士生,主要从事土地利用与水土保持研究[WANG Mingfeng(1990-), male, Ph.D.candidate, mainly research on land use and soil and water conservation.] E-mail:w1129338066@163.com
*通讯作者(Corresponding author):田风霞(1982-),女,山东济宁人,博士,助理研究员,主要从事水土保持与生态水文研究[TIAN Fengxia(1982-), female, Ph.D., research assistant, mainly engaged in soil and water conservation and eco-hydrology.] E-mail:tianfengxia@imde.ac.cn
更新日期/Last Update: 2017-07-30