自然资源学报 ›› 2012, Vol. 27 ›› Issue (11): 1860-1869.doi: 10.11849/zrzyxb.2012.11.005
吴未, 路平山
收稿日期:
2011-11-04
修回日期:
2012-03-05
出版日期:
2012-11-20
发布日期:
2012-11-20
作者简介:
吴未(1973-),男,安徽和县人,博士,副教授,主要从事土地利用与生态规划方面的研究。E-mail:ww@njau.edu.cn
基金资助:
中国博士后基金项目(20090451220);中国博士后基金特别资助项目(201003592);江苏省博士后基金项目(0901126C)
WU Wei, LU Ping-shan
Received:
2011-11-04
Revised:
2012-03-05
Online:
2012-11-20
Published:
2012-11-20
摘要:
资源型关键地段对于维护和控制区域土地生态系统安全具有关键性作用。通过构建一套资源型关键地段识别的指标体系,在以次一级行政区为基本识别单元的基础上,识别出行政单元内地类斑块尺度的资源型关键地段。将无锡市划分为3级6类地段:关键地段、关键地段保护区、一般地段、干扰地段、干扰区以及交汇区,分别占全市总面积的19.70%、12.03%、39.62%、16.36%、12.28%和6.35%。关键地段斑块面积偏小、破碎化程度明显,空间分布不均匀,宜兴市境内关键地段占全市总量的85.26%;干扰地段斑块面积较大,空间分布不均,但相对集中,从面积和强度来看城区都较明显。干扰地段的形成受城镇空间发展影响明显;次一级行政区交汇区空间分布特征与形成原因不完全一致,空间分布也不均。城区50.48%、江阴40.91%、宜兴33.63%的关键地段保护区有被进一步破坏的可能。
中图分类号:
吴未, 路平山. 土地生态安全资源型关键地段识别——以长江三角洲无锡市为例[J]. 自然资源学报, 2012, 27(11): 1860-1869.
WU Wei, LU Ping-shan. Identification of Resource Major Portion of Land Ecosystem: A Case Study of Wuxi, the Yangtze River Delta Area[J]. JOURNAL OF NATURAL RESOURCES, 2012, 27(11): 1860-1869.
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