[1]孟宝,杨龙,张勃.土壤特性的空间变异性与绿洲生态稳定性研究——以张掖绿洲为例[J].水土保持研究,2009,16(02):117-120.
　MENG Bao,YANG Long,ZHANG Bo.A Study on Spatial Sariability of Soil Property and Stability of Ecosystem in Oasis——Taking Zhangye Oasis as a Case Study[J].Research of Soil and Water Conservation,2009,16(02):117-120.
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土壤特性的空间变异性与绿洲生态稳定性研究——以张掖绿洲为例

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 16 期数: 2009年02期 页码: 117-120 栏目: 出版日期: 2009-04-20
Title:
A Study on Spatial Sariability of Soil Property and Stability of Ecosystem in Oasis——Taking Zhangye Oasis as a Case Study
作者:
孟宝1, 杨龙1, 张勃2
1. 宜宾学院政治与公共管理系, 四川, 宜宾, 644000;
2. 西北师范大学地理与环境科学学院, 兰州, 730000
Author(s):
MENG Bao1, YANG Long1, ZHANG Bo2
1. Department of Politics and Public Administration of Yibin University, Yibin, Sichuan, 644000, China;
2. Geography and Environment Department of Northwest Normal University, Lanzhou, 730070, China
关键词:
张掖市; 土壤特性; 地统计学; 空间变异; 绿洲生态稳定性
Keywords:
Zhangye City; soil property; geo-statistics; spatial variability; stability of ecosystem in oasis
分类号:
S152;S153
摘要:
绿洲良性存续的核心是协调绿洲人地关系,维持绿洲稳定性.为从绿洲-荒漠过渡土壤空间变异的角度来探讨人类活动下绿洲生态空间稳定性问题,选择甘肃省张掖市龙渠乡的典型绿洲-荒漠过渡带作为试验区,运用地统计学方法对7种土壤特性值(土壤水分含量、水溶性盐分含量、pH值、机械组成、容重、速效磷含量、水解氮含量)在不同景观的空间变异程度进行分析.得出土壤特性值的空间变异同绿洲边缘不同利用程度下的生态稳定性紧密相关,其土壤特性值在不同景观表现出明显的分层规律,研究这一机理有助于人们更加科学地认识绿洲-荒漠过渡带生态保护问题.
Abstract:
The substance of oasis stability is coordinate of man-land relationship and get sustainable development.The paper studies on oasis stability in oasis-desert ecotones through the spatial variability of soil property.Typical oasis-desert ecotones are selected as the experimental area in Longqu village,Zhangye City of Gansu province.Through the test of soil samples in laboratory,seven soil characteristic value(soil moisture content,soil salt content,pH,mechanical composition,bulk density,available phosphorus and nitrogen content) were analyzed on the different landscape spatial variability using ArcGIS 8.0 software.From the research,we know the variability of soil property value have hierarchy and deduction at different landscape pattern,which tightlink with different landuse level on oasis edge.It can help us know the maintain problems of oasis ecology stability and sustainable developing more scientific.

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备注/Memo

收稿日期:2008-11-1;改回日期:。
基金项目:甘肃省中青年科技基金项目(031-A21-005530);宜宾学院青年基金项目(2006Q10)
作者简介:孟宝(1980- ),男,甘肃渭源人,硕士,讲师,主要从事区域生态环境与资源开发研究.E-mail:mengbao800@sohu.com

更新日期/Last Update: 1900-01-01