数字农科院2.0

Analysis on Dynamic Characteristics of Landscape Patterns in Hailer and around Areas

文献类型： 外文期刊

作者： Zhang, Hongbin;Yang, Guixia;Li, Gang;Chen, Baorui;Xin, Xiaoping;Zhang, Hongbin;Yang, Guixia;Huang, Qing;Li, Gang;Chen, Baorui;Xin, Xiaoping;Zhang, Hongbin;Yang, Guixia;Huang, Qing;Li, Gang;Chen, Baorui;Xin, Xiaoping

作者机构：

关键词： Landscape patterns;Hulunbuir;Spatial-Temporal Dynamic

期刊名称： COMPUTER AND COMPUTING TECHNOLOGIES IN AGRICULTURE IV, PT 1

ISSN： 1868-4238

年卷期： 2011 年 344 卷

页码：

收录情况： SCI

摘要： This paper analyzed the spatial-temporal dynamic changes of landscape patterns in Hailer and around areas. Firstly, landscape patterns types of research area were divided into water, sand, farmland, city and grassland based on remote sensing images of 1986, 1991, 1996 and 2001 and field investigation. Then the grassland was classified into higher coverage grassland, high coverage grassland, medium coverage grassland and low coverage grassland by Normalized Difference Vegetation Index. Finally, the spatial-temporal dynamic changes of above-mentioned eight kinds of landscape patterns were analyzed using landscape ecology principle. The results indicated that human activities intensified significant from 1986 to 2001in research area. The area of grassland landscape decreased quickly, and the fragmentation extent intensified. The dominant landscape in research area changed from higher-high coverage grassland to medium-low coverage grassland. The expansion of sand landscape is obvious in periphery of road, city and farmland. The grassland vegetation degenerated seriously. Fragmentation of city landscape lightened, and city landscape patches tended to decrease and centralized. Economy development pattern of research area is in a stage that is transforming from extensive pattern to intensive urbanization pattern.

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