GAO Hong-juan,Cai Guang-peng,LUO Xu-qiang,et al.Study on Warning of Farmland Ecological Security in Guizhou from 2000 to 2010 Based on the Energy Analysis[J].Research of Soil and Water Conservation,2013,20(06):307-310.
基于能值分析的贵州省2000—2010年耕地生态安全预警研究
- Title:
- Study on Warning of Farmland Ecological Security in Guizhou from 2000 to 2010 Based on the Energy Analysis
- Keywords:
- ecological security; early warning; energy analysis; Guizhou Province
- 分类号:
- F323.211
- 摘要:
- 土地生态安全作为生态安全问题研究的重要组成部分，己成为当前土地资源可持续利用研究的前沿课题。应用能值分析法，在对贵州省耕地生态系统能值投入产出动态分析的基础上，对耕地生态安全情况进行判定和分析。结果表明：（1）研究期间贵州省耕地生态安全情况逐渐恶化。由2000年的轻警状态恶化到2010年的中警状态，表明贵州省耕地生态环境问题不断突出。（2）贵州省耕地生态安全警度空间差异明显，呈现出东低西高的空间格局。这与东西部之间自然条件的差异和化肥、农药的使用量有关。
- Abstract:
- Land ecological security is an important part of the study of the ecological safety issues. It has become the leading issue of the sustainable use of land resources. The security of farmland ecology was analyzed on the basis of analyzing the energy value of the input-output by using the method of energy analysis. The results show that: (1) farmland ecological security situation gradually deteriorated during the study period in Guizhou Province, farmland ecological security situation was in light warning condition in 2000, in moderate warning condition in 2010, which showed that the ecological and environmental problems of farmland became more prominent in Guizhou Province; (2) the degrees of space were obvious differences, showing that the east was lower than west in terms of the spatial pattern, which was related to difference between the east and west in the natural conditions and usage of fertilizer and pesticide.
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备注/Memo
收稿日期:2013-02-04;改回日期:2013-03-04。
基金项目:贵州省软科学研究项目“贵州工业化、城市化加快推进时期耕地保护研究”[黔科合体R字（2012）2030]；贵州省环境科学教学团队项目（黔教高[2012]426号）；贵州师范学院环境科学教学团队项目（贵师院[2012]47号）；国家自然科学基金项目（31100187）
作者简介:郜红娟(1981-),女,山东菏泽人,讲师,硕士,主要从事自然资源开发与区域规划研究。E-mail:hhuiqing2006@126.com
通讯作者:蔡广鹏(1963-),男,贵州贵阳人,讲师,硕士研究生,主要从事土地利用与规划研究。E-mail:cjp0123@sina.com