|本期目录/Table of Contents|

[1]杨黎敏,李晓燕,任永星,等.基于最小数据集的长春市耕地土壤质量评价[J].江苏农业科学,2019,47(20):305-310.
 Yang Limin,et al.Soil quality evaluation of cultivated land in Changchun City based on minimum dataset[J].Jiangsu Agricultural Sciences,2019,47(20):305-310.
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基于最小数据集的长春市耕地土壤质量评价(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第47卷
期数:
2019年第20期
页码:
305-310
栏目:
资源与环境
出版日期:
2019-11-18

文章信息/Info

Title:
Soil quality evaluation of cultivated land in Changchun City based on minimum dataset
作者:
杨黎敏1 李晓燕1 任永星1 付娆2
1.吉林大学地球科学学院,吉林长春 130012; 2.白城职业技术学院,吉林白城 137000
Author(s):
Yang Liminet al
关键词:
评价指标土壤质量最小数据集环境因素GIS长春市
Keywords:
-
分类号:
S158.2
DOI:
-
文献标志码:
A
摘要:
吉林省长春市是东北黑土集中分布的区域,是我国重要的粮食生产基地,其辖区内榆树县、农安县、德惠县均为全国排名前十的产粮大县,实时评价耕地土壤质量是保障区域土地资源适宜性管理和粮食安全的基础。但由于土壤指标繁多,成本较高,给区域尺度耕地质量评价带来了困难。耦合GIS空间分析和主成分分析法筛选最小数据集对长春市耕地土壤质量进行评价,并对其影响因素进行分析。结果表明:(1)长春市耕地土壤质量最小数据集包括有机质含量、全氮含量、阳离子交换量、pH值、有效锌含量、有效铁含量6项指标,最小数据集的评价结果与全数据集具有较好的一致性(R2=0.801);(2)研究区耕地质量水平总体较高,一级、二级和三级土壤质量面积占总面积的 77.34%,土壤质量区域差异性显著,土壤质量较好的耕地主要集中在长春市郊区、德惠县、榆树县一线,由此线向西北、东南方向土壤质量逐降;(3)方差分析表明,土壤类型、成土母质、地形、气候因素对土壤质量的区域异质性均有显著影响。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2018-07-28
基金项目:国家自然科学基金(编号:41671219)。
作者简介:杨黎敏(1995—),女,江苏南京人,硕士研究生,主要从事资源遥感与土地信息系统研究。E-mail:aurora_ylm@sina.com。
通信作者:李晓燕,博士,副教授,主要从事资源遥感与土地信息系统研究。E-mail:lxyan@jlu.edu.cn。
更新日期/Last Update: 2019-10-20