[1]孙景梅,杨联安,周欢水,等. 四子王旗景观格局演变与沙化土地动态变化分析[J].西北林学院学报,2012,27(03):160-166.
　SUN Jing-mei,YANG Lian-an,ZHOU Huan-shui,et al. Changes of Landscape Patterns and Sandy Lands of Siziwang Banner[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2012,27(03):160-166.
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 四子王旗景观格局演变与沙化土地动态变化分析()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第27卷
期数:
2012年03期
页码:
160-166
栏目:
出版日期:
2012-05-31

文章信息/Info

Title:
 Changes of Landscape Patterns and Sandy Lands of Siziwang Banner
文章编号:
1001-7461(2012)03-0160-07
作者:
 孙景梅; 杨联安; 周欢水; 廖雅萍
 （1.国家林业局 西北林业调查规划设计院，陕西 西安710048；2. 西北大学 城市与资源学系，陕西 西安710069；3.国家林业局 调查规划设计院，北京100714）
Author(s):
 SUN Jing-mei;  YANG Lian-an;  ZHOU Huan-shui;  LIAO Ya-ping
 （1.Northwest Institute of Forest Inventory, Planning and Design, State Forestry Administration, Xi’an, Shaanxi 710048, China；2. Department of Urban and Resources Science, Northwest University, Xi’an, Shaanxi 710069, China；3. Academy of Forest Inventory and Planning, State Forestry Administration, Beijing 100714, China）
关键词:
 ; 景观演变; 沙化土地; 动态变化; 分析
Keywords:
 ; landscape pattern change;  sandy land;  dynamic change;  analysis
分类号:
S718.55
文献标志码:
A
摘要:
 利用RS和GIS的空间分析技术，通过提取分析四子王旗两期遥感影像数据，结合现地调查，对区域景观格局演变和沙化土地动态变化进行分析。结果表明：从2003年到2008年5 a间，景观类型和沙化土地类型发生了较为明显的变化，主要表现在：林地景观面积明显增加，耕地、草地和未利用地明显减少，林地面积增加了41 361 hm2，耕地、草地和未利用地面积分别减少了14 561、9 427 hm2和19 307 hm2；沙化土地5 a间减少了664 hm2，其中半固定沙地减少了261 hm2，固定沙地增加了322 hm2，露沙地减少了512 hm2，沙化耕地减少了153 hm2，风蚀劣地减少了60 hm2。分析认为近年来实施的京津风沙源治理工程是区域景观演变和沙化土地动态变化的主要因素。

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