北京西北地区景观格局优化_图文

1、 YUE Depeng et以:Ecologically based landscape pattern optimization in northwest ofBeijing363age,1:100,000topographic map and l:4,000,000administrative map.The topographic map and administrative map were imported as a background and combination with necessary field survey and validation.The Landsat TM

2、 image data were obtained from the Re. mote-Sensing Satellite Ground Station,Chinese Academy of Sciences.The topographic maps and administrative map wcre provided by Environmental&Ecological Science Data Center for West China.National Natural Science Foundation of China.And the census data were obta

3、ined from Beijing Area Statistical Yearbook issued in2004(auxiliary information. Figure2Land use pattern ofthe study area in1989,1996and20052.3Calculation and selection of landscape indicesIn this study,the land use data was exported in ArcGrid file format.the landscape indices were analyzed by usin

4、g Fragatats3.3Software Package(McGarigal.1995.In the computa. tion of class.1evel metriCS,the mean contiguity index(CONTIG MN。patch density(PD, average patch area(AREA MNand mean patch shape index(SHAPE MNl were calcu. 1ated.In the computation of landscape.1evel metriCS,the number of patches(NP,land

5、scape fragmentation(F,dominance(D,Shannon diversity index(SHDI,Shannon evenness in. dex(SHEland connectivity(Cwere chosen and calculated.2.4Accumulative cost distance modelLandscape is a natural synthesis shaped and affected by the ipint actions of climate,land.form,relief,vegetation and human activ

6、ities(He,2007,which is acomplex of geographi-cally,functionally and historically interrelated ecosystems(Doing.1997.Within a land. scape.ecological process iS the crucial factor that controls the stabilization of landscape function。and landscape structure influences processes such as the flow of ene

7、rgymaterials。and species between the ecosystems.So.we can use the principle of overcoming landscape resistance or paying the cost to depict effects of the paaern on ecological processes.Ac. cording to landscape ecology,there always exist some landscape elements like waters.core patch of forest land

8、and large area of grassland.which contribute positively to the develop. merit of the ecological processes(Chen,2005.Therefore,based on the spatial analysis of cost.distanceextension of Arcgis.we formulated the accumulative resistance model in or-der to provide a characterization of the effects of re

9、sistance of the landscape on development of ecological flows ifl spatial surface.The model mainly involve source.effective distance. resistance of different landscape types.which iSdetermined by the following formula: 368Journal ofGeographical Sciencesthe least-cost paths between patches ofsourcelan

10、dscape were found out,which representsthe series of ceils which resulted in the lowest cost value for that patch(Figure 6.So,thispathcan be usedas anoptimum wayorcorridor for ecological planning. Figure 4Distribution of ecofunction intensity and Figure 5Accumulative Costdistance surface inincompatib

11、le cells in northwest of Beijing northwest of Beijing Figure 6Distribution of elements optimized landscape pauern in northwest of Beijing Figure 7Distribution of cells to be optimized in northwest ofBeijing 北京西北地区景观格局优化作者:岳德鹏, 王计平, 刘永兵, 张晓丽, 李海龙, 王洁, YUE Depeng, WANG Jiping, LIU Yongbing, ZHANG Xiao

12、li, LI Hailong, WANG Jie作者单位:刊名: 地理学报(英文版英文刊名:JOURNAL OF GEOGRAPHICAL SCIENCES年,卷(期:2009,19(3被引用次数:0次参考文献(29条1.Adriaensen F.Chardon J P.Blust G D The application of least-cost modeling as a functional landscape model 20032.Cao Xinxiang.Ding Shengyan Landscape pattern dynamics of water body in Kaifen

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14、alue of the worlds ecosystem services and natural capital 19986.Doing H The landscape as an ecosystem 19977.Farina A Principles and Method in Landscape Ecology 20068.Forman R T T Land Mosaics:The Ecology of Landscapes and Regions 19959.Forman R T T.Godron M Landscape Ecology 198610.Fu Bojie.Guliack

15、H Land evaluation in area of severe erosion:The Loess Plateau of China 1994(0111.Han Wenquan.Chang Yu.Hu Yuanman Research advance in landscape pattern optimization期刊论文-Chinese Journal of Ecology 2005(1212.He Yanfen.Zhang Bai.Liu Zhiming Study on the impact of landscape pattern and dynamic change on

16、agricultural drought disaster期刊论文-System Sciences and Comprehensive Studies in Agriculture 2007(0113.Hof J.Flather C Optimization of landscape pattern 200414.Kang Muyi.Yao Huarong.Liu Shuo Land use structure optimization for Guanzhong Region,Shaanxi Province 1999(0415.McGarigal K.Marks B FRAGSTATS:S

17、patial pattern analysis program for quantifying landscapestructureGen.Tech.Rep.PNW-GTR-35 199516.ONeil R V.Krnmmel J R.Gardner R H Indices of landscape pattern 1988(0317.Seppelt R.Voinov A Optimization methodology for land use patterns using spatially explicit landscape models 200218.Seppelt R.Voino

18、v A Optimization methodology for land use patterns:Evaluation based on muhiscah habitat pattern comparison 200319.Thomas M R A GIS-based decision support system for Brownfield redevelopment 2002(0120.Turner M G Landscape ecology:The effect of pattern on process 1989 21.Turner M G.Romme W H.Gardner R

19、 H A revised concept of landscape equilibrium:Disturbance and stability on scaled landscapes 1993 22.Vincent J Burke Landscape ecology and species conservancy 2000(01 23.Walker R.Craighead L 查看详情 1997 24.Wu Jianguo.Hobbs R Key issue and research priorities in landscape ecology:An idiosyncratic synthesis 2002 25.Xiao Duning.Li Xiuzhen The Development and Perspective of Contemporary Landscape Ecology:Progress in Landscape Ecology 1999 26.Y