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- W2390557441 abstract "Based on LUCC of Yanchi county at various stages from 1985 to 2010,we analyzed the ecological effects of LUCC of Yanchi county from two aspects,landscape ecology effects and ecologica service value.( 1) The area of grassland and forest decreased to 346304hm2and 34320hm2respectively,and the area of farmland and sandy land increased to 194944hm2and 80336hm2respectively by 2000; the area of grassland and forest increased to 393680hm2and 37808hm2and the area of farmland and sandy land decreased to 171840hm2and 49440hm2by 2010. The area of urban used land,water land,unused land fluctuated,but showed trend of increase.( 2) Ecological landscape pattern of Shannon's diversity index,Fragmentation and Isolation increased to 1. 2282,0. 2571,7. 9819 by 2000,then decreased to 1. 1563,0. 2307,3. 1124 by 2010. Contagion index decreased to 44. 6054 by 2000,and then increased to 48. 2926 by 2010. Patch density kept increasing and Mean patch fractal kept increasing from 1985 to 2010.( 3) The total of ecosystem services value increased firstly and then decreased,but total of ecosystem services value changed a little. The ecosystem services value of farmland, sandy land,unused land increased firstly and then decreased,and forest,grassland,water's ecosystem services value decreased first and then increased.( 4) LUCC's landscap ecological effect and LUCC's ecosystem services value had same results. The ecological environment of Yanchi County had been destructed before 2000,and the ecological environment was restored after 2000." @default.
- W2390557441 created "2016-06-24" @default.
- W2390557441 creator A5029329306 @default.
- W2390557441 date "2014-01-01" @default.
- W2390557441 modified "2023-09-25" @default.
- W2390557441 title "Land use and land cover change of the sand drift areas in eastern Ningxia and its response to ecology: a case of Yanchi County" @default.
- W2390557441 hasPublicationYear "2014" @default.
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