Abstract
Abstract Using TM remote sensing images of Dalinor Natural Reserve in1995, 2000, 2004 and 2008 as a basic information sources, the wetland landscape spatial database for Dalinor Lake was built in this paper. By analyzing spatial variation of different types of wetland landscape and landscape pattern index variation, it revealed the landscape dynamic changes of Dalinor Lake Wetland. The results showed that the grasses grassland landscape is the advantage landscape type in the Dalinor, following by lake water wetland landscape type. From 1995 to 2008, the salt marsh landscape and sandy land landscape increased continuously. While the area of artificial paddy wetland landscape, lake water wetland landscape, swampy meadow landscape and sandy woodland landscape had a reducing trend; Patch density,shannon's diversity index and shannon's evenness index were continue to increase. However, the largest patch index,edge density index,area-weighted fractal dimension and dominance index had a decreasing trend as a whole. It showed that the overall landscape patches developed to small type, the degree of fragmentation and regional landscape heterogeneity increasing.
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