Dynamic analysis of land use and land coverage in mid-eastern China during 1988～2000

Abstract

Abstract: Using remote sensing(RS) and geographic information system(GIS) technologies and based on the documentary and field sampling data,this paper constructed and analyzed the 1988 and 2000 landscape maps of mid-eastern China.The mapping area of mid-eastern China was about 2.87?10⁶km².With the rapid increase of economy and population,the area of farmland and town in mid-eastern China increased 10.921?10⁵hm² and 13.754?10⁵ hm²,accounted for a 2.14% and 19.25% increase,respectively from 1988 to 2000.At the same time,the forest area decreased 17.83?10⁴hm²,declined by 1.12%,because of the increasing demand for lumber provision and reclamation.The meadow area in 2000 increased 19.287?10⁵ hm²,ascending 7.75%,while the coverage and quality of grassland declined,owing to the deteriorating environment.The untilled land in 2000 dropped 34.31%,contrast with 1988 by the reason of a large number of lands being exploited.

Key words: Mid-eastern China, Landscape mapping, Land-use/cover dynamic analysis

CLC Number:

Q149

TIAN Ziqiang, ZHENG Binghui, WANG Wenjie, LI Zicheng . Dynamic analysis of land use and land coverage in mid-eastern China during 1988～2000[J]. Chinese Journal of Applied Ecology, 2004, (12): 2297-2303.

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