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1、2922011M3lujC,H,gug,uLU4ib898Mv,vh(m1)bV3 1988 2006M9ur/$MssTable 3 Land use/cover change of different cities from 1988 2006Item9M(km2)Total of changegXi. anArea( km2)1Proportion( % )9gXianyangArea( km2)1Proportion( % )gMUrbanMAgriculture8MWaterMForest 9Total327. 37321. 431.315.33655. 44250. 91246.
2、250.814.72502. 6976. 6676. 6161. 8388. 5676. 7076. 4675. 180. 500. 61152. 7523. 3423. 3938. 1711. 4423. 30m1 1988 2006M-9uhsmFig. 1 Distribution of agricultural land changes from 1988 2006 in Xi. an- Xianyang region2. 2 -9rM1-9g,VCrMM(V3U)b1988 2006M18 aW,grMv9gbg9M502. 49 km2,M976. 70% ;9g9M152. 75
3、 km2,Mk23. 30%bg1Mb,ggM250. 91 km2,g9M49. 19% ,9ugM176. 66%;M246. 25km2,g9M48. 99%,9uM176. 61% ;9ggM76. 46 km2,g9M50. 06%,9ugM23. 34%;M75. 18 km2,9g9M49. 22%,9uM23. 39%b8200 luj,gYIYy!?,&YTxpbLa(3)()aG312Ba9WvBFz/aS1071LaS106L3yXyYbZ_BaaUa;v,9X4btYLC,PgvY8y,rMYb3. 3 6?Z1949M-,-9hng,6; 1949M,6;7b,69(
4、M12. 3%9(:8d9,+Y,/(8d9) ,2006MgGDP9r1450. 02a,vg9,(GDP17825,gEV(hn8986. 87,1913. 8%b6?Z4QM,Cb202 luj 293)1yY%g #?ZZ_,_r#g?ZZ_w,6g?Z$,uHq-9ugF4,gEVM1zy0Bbzy0MT,?-9u?ZTbID: 1 Grbler A. / Technology0 In Changes inLandUse andLand Cover: Aglobal PerspectiveM . New York: Cambridge University Press,1994. 2
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