Land Use and Landscape Pattern Change in Source Region of the Yellow River

PAN Jing-hu; LIU Ju-ling

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Land Use and Landscape Pattern Change in Source Region of the Yellow River

- Land Use and Landscape Pattern Change in Source Region of the Yellow River
- Bulletin of Soiland Water Conservation Vol. 24, Issue 1, Pages: 29-32(2005)
- 作者机构：
  
  1. 西北师范大学地理与环境科学学院,甘肃,兰州,730070
  2. 兰州大学网络教育学院,甘肃,兰州,730000
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2005
- 稿件说明：
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PAN Jing-hu, LIU Ju-ling. Land Use and Landscape Pattern Change in Source Region of the Yellow River[J]. Bulletin of Soiland Water Conservation, 2005, 24(1): 29-32.
DOI：

PAN Jing-hu, LIU Ju-ling. Land Use and Landscape Pattern Change in Source Region of the Yellow River[J]. Bulletin of Soiland Water Conservation, 2005, 24(1): 29-32. DOI：

摘要

利用1986年和2000年TM/ETM卫星遥感数据

运用GIS软件分析了黄河源区土地利用时空变化

借助Excel软件进行景观格局变化研究。结果表明:黄河源区近15a来高覆盖度草地、湿地和冰川面积急剧减少

未利用土地面积增加

土地荒漠化程度加剧

土地利用综合程度指数下降。景观格局趋于破碎化

景观多样性和分维数呈下降趋势

优势度上升。

Abstract

Based on 1986TM and 2000ETM data

land use and landscape pattern changes in the source region of the Yellow River were studied using geographical information(GIS) technology. The results show that the area with a high coverage of grassland

wetland and glacier decreased in the time period

while the area of barren land increased. The comprehensive land use index decreased remarkably

indicating that desertification worsened. The degree of land scape fragmentation of the study area increased

although

the diversity index and fractal degree decreased.

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