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ON CHANGES OF WETLAND ECOLOGY LANDSCAPE PATTERN OF WUHAN CITY BY RS AND BIS

Ning Long-mei, Xuelei Wang

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Abstract

By using 1996 and 2001 remote sensing data as basic information resource and with the support of GIS,the change of wetland landscape structure was analyzed through selected the indices such as patch diversity, fractal dimension, fragmentation, diversity, dominance and evenness index, etc, Meanwhile. the status of transform of wetland landscape types using Markov modeal was examined. The result showed that the change of wetland landscape structure was significant from 1996 to 2001,and the lake area decreased, and the man-made wetland area increased, and the wetland landscape pattern tended to be fragmental, and the distribution of wetland tended to be even.

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What this paper is about

By using 1996 and 2001 remote sensing data as basic information resource and with the support of GIS,the change of wetland landscape structure was analyzed through selected the indices such as patch diversity, fractal dimension, fragmentation, diversity, dominance and evenness index, etc, Meanwhile. the status of transform of wetland landscape types using Markov modeal was examined. The result showed that the change of wetland landscape structure was significant from 1996 to 2001,and the lake area decreased, and the man-made wetland area increased, and the wetland landscape pattern tended to be fragmental, and the distribution of wetland tended to be even.

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Available abstract

By using 1996 and 2001 remote sensing data as basic information resource and with the support of GIS,the change of wetland landscape structure was analyzed through selected the indices such as patch diversity, fractal dimension, fragmentation, diversity, dominance and evenness index, etc, Meanwhile. the status of transform of wetland landscape types using Markov modeal was examined. The result showed that the change of wetland landscape structure was significant from 1996 to 2001,and the lake area decreased, and the man-made wetland area increased, and the wetland landscape pattern tended to be fragmental, and the distribution of wetland tended to be even.

Key concepts: Wetland, Species evenness, Dominance (genetics), Landscape ecology, Geography, Ecology, Fragmentation (computing), Diversity index

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