Evaluation on Eco-security of Agricultural Sustainable Development——A Case Study in Hu'nan Province

XU Lian-fang; WANG Ke-lin; LI Xiao-qing; LIU Xin-ping; LIU Ming

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Evaluation on Eco-security of Agricultural Sustainable Development——A Case Study in Hu'nan Province

- Evaluation on Eco-security of Agricultural Sustainable Development——A Case Study in Hu'nan Province
- Bulletin of Soiland Water Conservation Vol. 25, Issue 5, Pages: 102-107(2006)
- 作者机构：
  
  1. 中国科学院亚热带农业生态研究所,湖南,长沙,410125
  2. 中国科学院研究生院,北京,100049
  3. 湖南师范大学资源与环境科学学院,湖南,长沙,410081
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2006
- 稿件说明：
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XU Lian-fang, WANG Ke-lin, LI Xiao-qing, et al. Evaluation on Eco-security of Agricultural Sustainable Development——A Case Study in Hu'nan Province[J]. Bulletin of Soiland Water Conservation, 2006, 25(5): 102-107.
DOI：

XU Lian-fang, WANG Ke-lin, LI Xiao-qing, et al. Evaluation on Eco-security of Agricultural Sustainable Development——A Case Study in Hu'nan Province[J]. Bulletin of Soiland Water Conservation, 2006, 25(5): 102-107. DOI：

摘要

生态安全是农业可持续发展的核心和基础。从生态安全的概念、特性、国内外研究现状、研究方法等方面，对生态安全研究进行了评述。以湖南省为案例，运用层次分析法，从资源—生态—环境压力，资源—生态—环境质量和资源—生态—环境整治及建设能力3个方面建立指标体系，对湖南省农业可持续发展的生态安全进行综合评价。结果表明，湖南省农业生态安全状况呈现出较明显的地域分异特征，其空间格局大致从东向西，从南向北逐渐降低，但局部地区有差异。说明生态环境质量是湖南省农业生态安全空间分异的基础，但资源—生态—环境压力及整治、建设能力等也在很大程度上影响了其空间格局。提出了区域农业可持续发展的生态安全建设对策。

Abstract

Ecological security is the key part and base for agricultural sustainable development.A review of ecological security was given from the aspects of concepts

features

and meanings

status and methods

as well as themes of studies on ecological security at home and abroad.By taking a county as a basic unit

an integrated evaluation of agricultural ecological security in Hunan Province was made in terms of the pressure

quality

rehabilitation ability of resource-ecology-environment

using the technique of AHP.The result indicates that regional heterogeneity of security degree is distinct

which not only decreases from east to west

but also decreases from south to north

with the exception in a few areas.The quality of resource-ecology-environment is the base of spatial patterns for a- gricultural eco-security in Hu' nan Province.However

the pressure and rehabilitation ability of resource-ecology-environment also have a great impact on ecological security and influence its spatial pattern.The strategy for establishing ecological safety of agricultural sustainable development is pointed out as well.

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