Dynamic Evolution of Sptial Structure of Land Use in Nanjing-Zhenjiang-Yangzhou Hilly Area -A Case Study at Zhenjiang City in Jiangsu Province

ZHANG Rong-tian

doi:10.13961/j.cnki.stbctb.2014.04.063

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Dynamic Evolution of Sptial Structure of Land Use in Nanjing-Zhenjiang-Yangzhou Hilly Area -A Case Study at Zhenjiang City in Jiangsu Province

- Dynamic Evolution of Sptial Structure of Land Use in Nanjing-Zhenjiang-Yangzhou Hilly Area -A Case Study at Zhenjiang City in Jiangsu Province
- Bulletin of Soiland Water Conservation Vol. 33, Issue 4, Pages: 255-259(2014)
- 作者机构：
  
  安徽师范大学国土资源与旅游学院,安徽,芜湖,241003
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2014.04.063
  CLC：
- Published：2014
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ZHANG Rong-tian. Dynamic Evolution of Sptial Structure of Land Use in Nanjing-Zhenjiang-Yangzhou Hilly Area -A Case Study at Zhenjiang City in Jiangsu Province[J]. Bulletin of Soiland Water Conservation, 2014, 33(4): 255-259.
DOI：

ZHANG Rong-tian. Dynamic Evolution of Sptial Structure of Land Use in Nanjing-Zhenjiang-Yangzhou Hilly Area -A Case Study at Zhenjiang City in Jiangsu Province[J]. Bulletin of Soiland Water Conservation, 2014, 33(4): 255-259. DOI： 10.13961/j.cnki.stbctb.2014.04.063.

摘要

以镇江市为例

基于其1997-2009年的土地利用现状数据

采用Shannon信息熵和空间洛伦茨曲线

对宁镇扬丘陵区土地利用结构的动态演变及其区域分异规律进行了探讨。结果表明:(1) 1997-2009年镇江市各土地利用类型在空间分布上具有不均衡性

耕地和居民点及工矿用地的分布较为均衡

而牧草地和林地的分布则相对集中;(2) 土地利用结构演变具有阶段性特征

划分为"缓慢增长(1997-2000年)、快速上升(2001-2004年)、稳步发展(2005-2009年)"3阶段

耕地和城镇用地是影响土地利用结构演变的主要类型;(3) 该区土地利用结构演变存在区域分异规律

经济发达的市区及新区的信息熵整体上高于其它区县

且呈现不断下降的趋势

表明该区土地利用结构的有序性逐渐提高

而其它稍欠发达区县的信息熵却呈现出日益上升的态势

表明其土地利用结构的有序性不断降低。

Abstract

Taking the land use data of Zhenjiang City in 1997-2009 as a case study

the land use structure dynamic evolution characteristics and regional differentiation rules of Nanjing-Zhenjiang-Yangzhou hilly area were analyzed and discussed by using Shannon entropy and spatial lorrenze curve. Some conclusions were drawn as follows:(1) From 1997 to 2009

the spatial distribution of different land use types in Zhenjiang City was unbalanced

specially

the distribution of arable land and land for residential areas and mining was more balanced

and the distribution of grassland and woodland was relatively concentrated;(2) Land use structure evolution had periodical characteristics

it can be divided into 3 phases: low speed expansion stage(1997-2000)

speed-up expansion stage(2001-2004)

steady development stages(2005-2009)

the areas of cultivated land and residential and industrial land had significant correlation to the entropy

which could be regarded as the key factors influencing the entropy of land use structure in Zhenjiang City;(3) The land use structure evolution showed regional distribution rules

the urban information entropy was larger than the other counties of Zhenjiang City

and presents the declining trend

it indicated that urban land use structure was in the order of improvement gradually

however

other county revealed a rising trend

it indicated that the order of land use structure was declining.

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Keywords

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