[1]张龙,宋戈,孟飞,等.宁安市土地生态脆弱性时空变化分析[J].水土保持研究,2014,21(02):133-137,143.
　ZHANG Long,SONG Ge,MENG Fei,et al.Spatiotemporal Variation Analysis of the Land Ecological Vulnerability in Ning’an City, Heilongjiang Province[J].Research of Soil and Water Conservation,2014,21(02):133-137,143.
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宁安市土地生态脆弱性时空变化分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 21 期数: 2014年02期 页码: 133-137,143 栏目: 出版日期: 2014-04-28
Title:
Spatiotemporal Variation Analysis of the Land Ecological Vulnerability in Ning’an City, Heilongjiang Province
作者:
张龙1,3, 宋戈1,2,3, 孟飞1,3, 王学伟1,3
1. 东北农业大学 资源与环境学院, 哈尔滨 150030;
2. 东北大学 土地管理研究所, 沈阳 110819;
3. 黑龙江省村镇发展研究中心, 哈尔滨 150030
Author(s):
ZHANG Long1,3, SONG Ge1,2,3, MENG Fei1,3, WANG Xue-wei1,3
1. College of Resources and Environment, Northeast Agricultural University, Harbin 150030, China;
2. Institute of Land Management, Northeast University, Shenyang 110819, China;
3. The Towns Development Research Center in Heilongjiang Province, Harbin 150030, China
关键词:
土地生态脆弱性; 时空变化; 宁安市
Keywords:
land ecological vulnerability; spatiotemporal variation; Ning’an City
分类号:
X171
摘要:
开展区域土地生态脆弱性时空变化研究，有助于因地制宜地利用土地资源和保护脆弱生态环境，对区域可持续发展具有重要指导意义。以黑龙江省宁安市为研究区，运用研究区1991年、2000年和2010年3期遥感影像数据，通过景观类型脆弱度指数计算模型，计算了三个时期各个景观类型的脆弱度指数，并运用土地生态脆弱度指数计算模型测算分析了3个时期土地生态脆弱性的变化情况，最后对土地生态脆弱度指数进行普通克里格法插值，得出研究区土地生态脆弱性空间分布情况。结果表明： 1991年、2000年和2010年各景观类型的脆弱度由高到低依次为：耕地 > 建设用地 > 其他用地 > 水域 > 草地 > 林地；研究区61.7%的样本区土地生态脆弱度指数增大，中高脆弱区所占全区面积比重不断增加，轻微脆弱区面积比重逐年减少，土地生态脆弱性不断加剧；由1991年、2000年和2010年土地生态脆弱性分布图可知，研究区土地生态脆弱性的分布总体呈现中北部重，外延逐渐减轻，中高脆弱区逐渐扩大的态势。
Abstract:
The study on spatiotemporal variation of regional land ecological vulnerability contributes to using land resources and protecting the fragile eco-environment to local conditions, and has the important guiding significance for regional sustainable development. This paper took Ning’an City, Heilongjiang Province, as the study area to construct models to evaluate the vulnerability of landscape types and the regional land ecological vulnerability based on remote sensing of 1991, 2000 and 2010. Finally, ordinary Kriging interpolation was conducted to get the distribution map of the land ecological vulnerability in study area. The results showed in 1991, 2000 and 2010, the vulnerability degree of each landscape type followed the the order of farmland > construction land > other land uses > water area > grassland > forestland. Land ecological vulnerability index of the 61.7% of the sample areas increased, proportion of the middle-high vulnerability area increased, proportion of slightly vulnerability area decreased, the land ecological vulnerability exacerbated. The distribution map of the land ecological vulnerability showed that the vulnerability index was the highest in north-central part, extension gradually reducing and middle-high vulnerability area gradually expanded in the study area.

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备注/Memo

收稿日期:2013-07-29;改回日期:2013-09-02。
基金项目:国家自然科学基金（41071346）
作者简介:张龙(1988-),男,河南省安阳县人,硕士,研究方向为土地利用。E-mail:hljndzl@126.com
通讯作者:宋戈(1969-),女,黑龙江省庆安县人,博士/博士后,教授/博导,研究方向为土地利用。E-mail:songgelaoshi@163.com

更新日期/Last Update: 1900-01-01