基于Landsat-TM数据的农牧交错带景观结构研究——以内蒙古自治区兴和县为例

应用生态学报 ›› 2002, Vol. ›› Issue (4): 403-408.

基于Landsat-TM数据的农牧交错带景观结构研究——以内蒙古自治区兴和县为例

江源¹, 高清竹¹, 何立环¹, 王家骥²

1. 北京师范大学中国生态资产评估研究中心环境演变与自然灾害教育部重点实验室, 北京 100875;
2. 中国环境科学院生态研究所, 北京 100012

收稿日期:2001-05-28 修回日期:2001-11-22 出版日期:2002-04-15
通讯作者: 江源,女,1960年生,博士,副教授,主要从事景观生态学和植被生态学研究,发表论文30余篇,E-mail:Jiangy@bnu.edu.cn
基金资助:
国家重点科技攻关项目(96-911-08-04-05);国家重点基础研究发展规划项目(G2000018604);高等学校骨干教师资助计划项目.

Landscape structure of the farming-pastoral zone based on Landsat-TM Data-A case study of Xinghe County, Inner Mongolia

JIANG Yuan¹, GAO Qingzhu¹, HE Lihuan¹, WANG Jiaji²

1. China Ecological Capital Assessment Research Center, Beijing Normal University, Key Laboratory of Environmental Change and Natural Disaster, Ministry of Education, Beijing 100875;
2. Institute of Environmental Ecology, Chinese Research Academy of Environmental Sciences, Beijing 100012

Received:2001-05-28 Revised:2001-11-22 Online:2002-04-15

摘要/Abstract

摘要： 根据1989年和2000年的两期Landsat-TM数据,应用景观类型斑块等级结构和景观空间格局指数等景观生态学指标,对地处典型农牧交错带地区的兴和县景观结构进行研究.结果表明,该地区农田和草地是平原和丘陵区的主体景观类型;不同景观类型斑块大小等级结构变化各异,耕地和草地斑块明显增大,乔木林地和水体斑块趋于减小;景观破碎化明显增强.

关键词: Landsat-TM数据, 农牧交错带, 景观结构, 土地利用变化

Abstract: Xinghe County, Inner Mongolia, belongs to the typical region of farming-pastoral zone in northern China and is chosen as a case study area in this paper. Based on the interpretation of the Landsat-TM data (with two digital images taken in1989 and 2000, respectively), the landscape structure was studied by analyzing patch-size, spatial pattern, and other index to show the changing feature of landscape pattern. The results showed that farmlands and grasslands were the main landscape types in plain and hilly land of the County, and different landscape types had different scales of landscape patch-size. The patch-sizes of farmland and grassland had been apparently expanded from 1989 to 2000, while those of the forestland and waters had been shrunk. The landscape pattern had an obvious trend of fragmentation due to human activities.

Key words: Landsat-TM data, Farming-pastoral zone, Landscape structure, Land use change

中图分类号:

Q149

江源, 高清竹, 何立环, 王家骥. 基于Landsat-TM数据的农牧交错带景观结构研究——以内蒙古自治区兴和县为例[J]. 应用生态学报, 2002, (4): 403-408.

JIANG Yuan, GAO Qingzhu, HE Lihuan, WANG Jiaji. Landscape structure of the farming-pastoral zone based on Landsat-TM Data-A case study of Xinghe County, Inner Mongolia[J]. Chinese Journal of Applied Ecology, 2002, (4): 403-408.

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