In this study,we use three scenes of Landsat Thematic Mapper(TM) images,including those of 1988,1998 and 2006,to detect the expansion of construction land in the Pearl River Delta.Meanwhile,we analyze the economic growth pattern of the region by the input-output analysis of the primary factors and the production organization analysis.Based on it,we conduct research on the interaction between the construction land expansion and the economic growth pattern in the Pearl River Delta,using the quantitative analysis. The result shows that the Pearl River Delta's economic growth presents a typical extensive and export-oriented growth pattern,which relies on a large number of primary factors affecting production inputs and the promotion of foreign investment to achieve rapid economic growth.This pattern reflects the characteristics which is called "high input,high consumption,high output and export-orientation". For the relationship between the extensive growth pattern and the construction land expansion,there is exponential correlation between the input-output coefficients and the land use efficiency.With the rise in input-output coefficients,the efficiency of construction land drops down exponentially.For the relationship between the export-oriented growth pattern and the construction land expansion,although the extent of the export-oriented economic growth will not affect construction land expansion,the foreign capital flows play an important role in guiding the expansion of construction land while production organization mode of export-oriented will also reflect the distribution and morphology of construction land directly. In fact,both the phase change and the spatial feature of the construction land of the region such as "site factor pointer","small towns pointer" and "decentralization and inefficiency" are closely related to the economic growth pattern.Thus,there is a causal link between construction land expansion and economic growth pattern.They promote each other and constitute the "land-economy" interactive system.Only when we change the economic growth pattern while optimizing the allocation of land resources,could we establish the positive interactive relationship between land and economy,and achieve sustainable economic growth and utilization of land resources.
YE Yu-yao, ZHANG Hong-ou, XU Xue-qiang, ZHOU Chun-shan
. Study on the relationship between construction land expansion and economic growth pattern in the Pearl River Delta[J]. GEOGRAPHICAL RESEARCH, 2011
, 30(12)
: 2259
-2271
.
DOI: 10.11821/yj2011120013
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