[1]王昭生,潘爱民,肖志坤,等.基于异速增长模型的土地利用变化驱动因子分析——以湘潭市为例[J].水土保持研究,2010,17(05):40-44,50.
　WANG Zhao-sheng,PAN Ai-min,XIAO Zhi-kun,et al.The Driving Factors Analysis of Land-use Change Based on the Allometric Growth Model in Xiangtan City[J].Research of Soil and Water Conservation,2010,17(05):40-44,50.
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基于异速增长模型的土地利用变化驱动因子分析——以湘潭市为例

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 17 期数: 2010年05期 页码: 40-44,50 栏目: 出版日期: 2010-10-20
Title:
The Driving Factors Analysis of Land-use Change Based on the Allometric Growth Model in Xiangtan City
作者:
王昭生1, 潘爱民1, 肖志坤1, 黄凯1, 王芳1,2,3, 陶建军1, 全斌1
1. 湖南科技大学, 湖南 湘潭 411201;
2. 北京师范大学, 北京 100875;
3. 中国科学院 遥感应用研究所, 遥感科学国家重点实验室, 北京 100101
Author(s):
WANG Zhao-sheng1, PAN Ai-min1, XIAO Zhi-kun1, HUANG Kai1, WANG Fang1,2,3, TAO Jian-jun1, QUAN Bin1
1. Hu’nan University of Science and Technology, Xiangtan, Hu’nan 411201, China;
2. Beijing Normal University, Beijing 100875, China;
3. The State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing Applications Chinese Academy of Sciences, Beijing 100101, China
关键词:
异速增长; 土地利用; 土地资源系统
Keywords:
the allometric growth; land use; land resource system
分类号:
F301.24
摘要:
为探求人类的生产和经济活动与自然生态系统相互协调，并可持续发展的基点，本研究试从湘潭市土地利用变化过程中探寻湘潭市“两型社会”（“资源节约型”和“环境友好型”社会）建设的基点。利用相关因子分析和情景分析方法，以异速增长模型为理论依据，研究湘潭市1999-2008年土地利用变化驱动因子间的关系，并检验湘潭市土地利用变化过程中土地资源系统的稳定性。研究表明：（1）1999-2008年10 a间湘潭市人口变化和耕地变化呈负异速增长。人口规模扩大时，耕地面积会微弱增加，但人均耕地面积会减少。若人口数量增长1%，则耕地面积增加0.101倍，人均耕地面积减少0.000 1倍；（2）湘潭市GDP与耕地和城镇住宅土地面积彼此间不存在异速增长现象。虽然其相关系数r≥︱0.806**︱，但只能虚弱反映GDP会影响耕地和城镇住宅土地面积的变化。（3）异速增长模型用于详细描述湘潭市GDP和耕地与城镇住宅土地面积相互关系时，表现出“三个不适应”，表明土地资源系统结构功能还不完善，系统不稳定，土地资源的集约利用度不高。
Abstract:
Rainfall, morphologic feature and vegetational cover are the main factors affecting regional soil erosion. The results showed the rainfall between years had a less impact on soil erosion intensity in key protection region, mainly due to higher vegetation coverage and less human activities. However, soil erosion between key control region and monitoring region was largely dominated by the rainfall, and the soil erosion intensity of the two regions is much higher than the key protection region. For the protection area and key monitoring area, there were great changes about the annual runoff intensity between years, and the annual runoff intensity between years was relatively more stable in the emphasis control area, this is because a large number of engineering measures on the slope could enhance the role of control runoff. And the same time, the runoff and sediment is the main power and carrier of soil pollutants, the soil loss intensity directly affects the pollutant loss intensity. The study indicated that the loss intensity of total phosphorus, total nitrogen and CODMn had the same trend with the runoff and soil loss intensity between years, and the three regions were in order of key protection region>key monitoring region>emphasis control region.

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备注/Memo

收稿日期:2010-6-19;改回日期:2006-2-23。
基金项目:国家自然科学基金青年项目（40901085）；湖南省教育厅优秀青年项目（10B036）；遥感科学国家重点实验室开放基金（2009KFJJ019）；湖南省教育厅科学研究项目（09C393）；湖南省哲学社会科学基金项目（09YBB157）
作者简介:王昭生（1985- ），男，甘肃武威人，在读研究生，研究方向：GIS技术与应用。E-mail：wwlzq_weida@126.com
通讯作者:徐霞（1979- ），女，重庆璧山人，博士生，主要从事水土保持与GIS在土地资源、景观生态学等领域的应用研究。

更新日期/Last Update: 1900-01-01