Study on Landscape Pattern Dynamic Change in Taipusi
Cai Yuan
Abstract
Cai Yuan
Abstract
In the remote sensing and GIS technology support,under the guide of landscape ecology theory,by means of landscape index and landscape type transition matrix,this article studied in the area of TaiPuSiQi in the recent two decades,exposed the landscape pattern changing characteristics and law in terms of time and space.The dynamic landscape changes conspicuously is that the area of cultivated land decreased gradually and lawn landscape rised gradually,in TaiPuSiQi from 1988 to 2007 in almost 20 years.Landscape pattern,spreading index rising showed that there are well continuity superiority patches types in landscape;The trend of diversity index and evenness index decreases,showed that the diversities of acreage ratio of various landscapes and the extent of landscape fragmentation have augmented a lot,the distribution of landscape ingredient was not well-proportional and Landscape heterogeneity down;The dominance index increased,showed that the share of superiority landscape type increase or lawn landscape dominance of the growing.
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In the remote sensing and GIS technology support,under the guide of landscape ecology theory,by means of landscape index and landscape type transition matrix,this article studied in the area of TaiPuSiQi in the recent two decades,exposed the landscape pattern changing characteristics and law in terms of time and space.The dynamic landscape changes conspicuously is that the area of cultivated land decreased gradually and lawn landscape rised gradually,in TaiPuSiQi from 1988 to 2007 in almost 20 years.Landscape pattern,spreading index rising showed that there are well continuity superiority patches types in landscape;The trend of diversity index and evenness index decreases,showed that the diversities of acreage ratio of various landscapes and the extent of landscape fragmentation have augmented a lot,the distribution of landscape ingredient was not well-proportional and Landscape heterogeneity down;The dominance index increased,showed that the share of superiority landscape type increase or lawn landscape dominance of the growing.
Key concepts: Lawn, Dominance (genetics), Landscape ecology, Geography, Species evenness, Fragmentation (computing), Index (typography), Ecology