Evaluation Index System for Agricultural Ecology Security of Zhifanggou Watershed in the Loess Hill and Gully Region

LI Fen; WANG Ji-jun

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Evaluation Index System for Agricultural Ecology Security of Zhifanggou Watershed in the Loess Hill and Gully Region

- Evaluation Index System for Agricultural Ecology Security of Zhifanggou Watershed in the Loess Hill and Gully Region
- Bulletin of Soiland Water Conservation Vol. 26, Issue 6, Pages: 184-186(2007)
- 作者机构：
  
  1. 西北农林科技大学资源与环境学院,陕西, 杨凌,712100
  2. ,北京,100083
  3. 中国科学院水利部水土保持研究所
  4. 杨凌,陕西,712100
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2007
- 稿件说明：
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LI Fen, WANG Ji-jun. Evaluation Index System for Agricultural Ecology Security of Zhifanggou Watershed in the Loess Hill and Gully Region[J]. Bulletin of Soiland Water Conservation, 2007, 26(6): 184-186.
DOI：

LI Fen, WANG Ji-jun. Evaluation Index System for Agricultural Ecology Security of Zhifanggou Watershed in the Loess Hill and Gully Region[J]. Bulletin of Soiland Water Conservation, 2007, 26(6): 184-186. DOI：

摘要

以纸坊沟流域为例

构建了黄土丘陵区流域农业生态安全评价指标体系。依据该流域近70 a来的农业生态安全状况

将该流域生态经济系统演变过程划分为4个阶段。从这4个阶段入手分析影响农业生态安全的主要因子

得出了-系列评价指标。结合选取指标的科学性、动态性、实用性等基本原则

参考压力—状态—响应(PSR)模型和多位专家的建议

进-步筛选、分类和确定评价指标

从而建立了-套由生态环境、社会经济、综合功能3大类

20个具体指标构成的适宜于黄土丘陵区的农业生态安全评价指标体系。

Abstract

Taking Zhifanggou watershed for an example

t his paper aims to design an evaluation index system for agricult ural ecology securit y in the loess hill and gully region.The developing course of eco-economic sys- tem is divided into 4 stages according to the conditions of agricult ural ecology securit y in nearly 70 years.Then the authors discuss the main factors which affect agricult ural ecology securit y and obtain a series of e- valuation indexes by analyzing the 4 stages.The evaluation indexes are selected

classified

and confirmed based on the index selecting principles of scientific foundation

developing condition

practicalit y

and so on

and by ref erring to the model of “ pressure state response”(PSR) and the suggestions from several experts.The evaluation index system of agricult ural ecology security suitable for the region is established

in- eluding ecological environment

social-economy

and integrative function

as well as 20 specific indexes.

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