[1]杭佳,石云,贺达汉,等.黄土丘陵区土地利用变化动态与景观格局分析——以彭阳县为例[J].水土保持研究,2013,20(06):203-208.
　HANG Jia,SHI Yun,HE Da-han,et al.Dynamic of Land Use/Cover Changes and the Analysis of Landscape Pattern in Hilly and Gully Region of the Loess Plateau—A Case Study of Pengyang County in South of Ningxia Hui Autonomous Region[J].Research of Soil and Water Conservation,2013,20(06):203-208.
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黄土丘陵区土地利用变化动态与景观格局分析——以彭阳县为例

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 20 期数: 2013年06期 页码: 203-208 栏目: 出版日期: 2013-12-28
Title:
Dynamic of Land Use/Cover Changes and the Analysis of Landscape Pattern in Hilly and Gully Region of the Loess Plateau—A Case Study of Pengyang County in South of Ningxia Hui Autonomous Region
作者:
杭佳1, 石云2, 贺达汉1,3, 耿莎2
1. 宁夏大学 农学院, 银川 750021;
2. 宁夏大学 资源与环境学院, 银川 750021;
3. 宁夏大学 西北退化生态系统恢复与重建国家重点实验室培育基地, 银川 750021
Author(s):
HANG Jia1, SHI Yun2, HE Da-han1,3, GENG Sha2
1. School of Agriculture, Ningxia University, Yinchuan 750021, China;
2. College of Resources and Environment, Ningxia University, Yinchuan 750021, China;
3. State Key Laboratory for Restoration and Reconstruction of Degraded Ecosystem in Northwestern China, Ningxia University, Yinchuan 750021, China
关键词:
土地利用/覆盖变化; GIS; 景观格局变化; 黄土丘陵区; 彭阳县
Keywords:
land use/cover change (LUCC); GIS; landscape pattern change; the hilly and gully region of the Loess Plateau; Pengyang County
分类号:
F301.24
摘要:
在退耕还林背景下研究土地利用/覆盖变化及其对景观格局的影响对宁南山区土地资源可持续利用和生态环境重建具有重要意义。以多时相Landsat TM/ETM 4期遥感影像数据为基础，借助GIS技术和景观生态学方法，分析彭阳县1991—2010年的土地利用变化动态及景观格局变化。结果表明：在研究时段内，彭阳县林草地面积持续增加的同时耕地和未利用土地持续减少；景观格局变化主要表现为景观破碎化程度、斑块混合分布程度、多样性指数和均匀度指数均呈先增加后减小的趋势，各斑块间连通性呈先减小后增加的趋势，景观形状趋于复杂；区域发展规划是该区2000年以后土地利用及景观变化的主要驱动力。
Abstract:
The quantitative evaluation on land use/cover change as well as its influence on landscape pattern under the background of returning grain plots to forestry is significant of the sustainable utilization of land resources and ecological environment reconstruction in the southern Ningxia. Based on multi-temporal remote sensing data from four periods of Landsat TM/ETM, and combination of ecological quantity analytical method with GIS, the change of land use/cover and landscape pattern in Pengyang County of Ningxia Hui Autonomous Region were analyzed. The conclusions showed that the amount of each land use type was changed with different degrees, the area of forest/grass land increased, while farmland and unused land decreased. The change of landscape pattern was characterized as that the degree of landscape fragmentation, patches mixed distribution, diversity index and evenness index increased gradually and then decreased, the connectivity between patches decreased gradually and then increased, and landscape shape presented irregular.

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备注/Memo

收稿日期:2013-03-19;改回日期:2013-04-26。
基金项目:国家自然科学基金项目“基于景观格局变化的黄土高原县域退耕还林还草生态效益评价研究”（41161081）
作者简介:杭佳(1985-)女,宁夏银川人,在读博士研究生,主要从事昆虫生态学和景观生态学研究。E-mail:qinlejia@126.com
通讯作者:石云(1977-),女,宁夏银川人,博士,副教授,主要研究方向为地图学与地理信息系统。E-mail:shiysky@163.com

更新日期/Last Update: 1900-01-01