The Investigation of Spatiotemporal Patterns of Landscape Fragmentation </br>
during Rapid Urbanization in Changsha City

doi:10.6046/gtzyyg.2011.01.27

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Abstract Based on Remote Sensing and GIS, this paper quantified the landscape fragmentation of Changsha city by using landscape pattern metrics such as patch density, edge density, mean patch fractal dimension, landscape contagion index and Shannon diversity index. To reflect the spatial change in landscape fragmentation from the extent of human influence on the environment, the authors selected two transects in the orientation from north to south (N-S,40 km×8 km) and from west to east (W-E, 40 km×8 km) through Changsha’s spatial gravity center. Eight concentric areas with different radii from Changsha’s spatial gravity center were also selected to analyze the temporal change in landscape fragmentation. The results show that the spatial gravity center has moved 2.45 km in east-southeast direction for about 75°. The outward expansion of the construction land in the form of concentric zone model has a great impact on the landscape pattern of the suburbs. The study of urban-to-rural transects has also showed that the agglomeration effects in urban areas are obvious. In contrast to the city center, fragmentation of landscape has been increasing and spatial heterogeneity has been changing dramatically in suburban areas.

Keywords POS GPS IMU Photogrammetry Bundle block adjustment

X 171.1

Issue Date: 22 March 2011

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	GUO Da-hai
	WU Li-xin
	WANG Jian-chao
	ZHENG Xiong-wei

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GUO Da-hai,WU Li-xin,WANG Jian-chao, et al. The Investigation of Spatiotemporal Patterns of Landscape Fragmentation
during Rapid Urbanization in Changsha City[J]. REMOTE SENSING FOR LAND & RESOURCES, 2011, 23(1): 133-137.

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https://www.gtzyyg.com/EN/10.6046/gtzyyg.2011.01.27 OR https://www.gtzyyg.com/EN/Y2011/V23/I1/133

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