Research on Spatial Differentiating Characteristics of Landscape Pattern in Youjiang Valley by Using Remote Sensing and GIS
LI Xin-ping1, HAO Duo-hu1, DUAN Peng2
1. China University of Mining & Technology (Beijing), Beijing 100083, China;
2. China Aero Geophysical Survey and Remote Sensing Center for Land and Resources, Beijing 100083, China
Using TM data acquired in 1986 and 2006 and supported by the technology of geographic information system(GIS)and the principle of landscape ecology,the authors selected some indexes of landscape heterogeneity. Taking the Pingguo County of Guangxi,a typical area in the Youjiang valley area,as the study area,this paper analyzed the landscape pattern and its dynamic change characteristics of the study area in the past 20 years. The results show that the general trend of the land-use change from 1986 to 2006 in the study area was the increase of forest,unused land and residents,and the decrease of grassland,farmland and water area. All kinds of landscape indexes of land-use change indicate the space-time response obviously,and the diversity of landscape becomes more evident. On the other hand,the dominance and fragmentation of landscape and fractal dimension become smaller,which suggests that the whole landscape of the study area is developing in the ideal direction.
李新萍, 郝多虎, 段朋. 右江谷地景观格局空间分异特性遥感研究[J]. 国土资源遥感, 2011, 23(3): 95-99.
LI Xin-ping, HAO Duo-hu, DUAN Peng. Research on Spatial Differentiating Characteristics of Landscape Pattern in Youjiang Valley by Using Remote Sensing and GIS. REMOTE SENSING FOR LAND & RESOURCES, 2011, 23(3): 95-99.
[1] Naveh Z.Biocybernetic and Thermodynamic Perspectives of Landscape Functions and Land Use Patterns [J].Landscape Ecology,1987,1(2):75-83.
[2] Milne B T,Johnston K M,Forman R T T.Scale-Dependent Proximity of Wildlife Habitat in a Spatially-Neutral Bayesian Model [J].Landscape Ecology,1989,2(2):101-110.
[3] Turner M G,Gardner R H.Future Directions in Quantitative Landscape Ecology,Quantitative Methods in Landscape Ecology [M]//Quantitative Methods in Landscape Ecology.New York:Springer-Verlag,1990.