[1]王燕辉,陈卓,曹禺,等.河北省近20年耕地生态安全动态变化及阻力分析[J].水土保持研究,2017,24(01):194-199,206.
　WANG Yanhui,CHEN Zhuo,CAO Yu,et al.Analysis on the Dynamic Change and Resistance of Cultivated Land Ecological Security in the Past 20 Years in Hebei Province[J].Research of Soil and Water Conservation,2017,24(01):194-199,206.
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河北省近20年耕地生态安全动态变化及阻力分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 24 期数: 2017年01期 页码: 194-199,206 栏目: 出版日期: 2017-02-28
Title:
Analysis on the Dynamic Change and Resistance of Cultivated Land Ecological Security in the Past 20 Years in Hebei Province
作者:
王燕辉1, 陈卓1, 曹禺1, 张俊梅2, 苏刚1
1. 河北农业大学 资源与环境科学学院, 河北 保定 071000;
2. 河北农业大学 国土资源学院, 河北 保定 071000
Author(s):
WANG Yanhui1, CHEN Zhuo1, CAO Yu1, ZHANG Junmei2, SU Gang1
1. College of Resources and Environment Science, Agricultural University of Hebei, Baoding, Hebei 071000, China;
2. College of Land and Resources, Agricultural University of Hebei, Baoding, Hebei 071000, China
关键词:
耕地; 生态安全; PSR模型; 河北省; 阻力
Keywords:
cultivated land; ecological security; PSR model; Hebei Province; resistance
分类号:
F323.21
摘要:
耕地的生态安全关系到粮食安全及区域可持续发展。运用PSR模型，选取耕地生态系统压力、耕地生态系统状态和耕地生态系统响应3个准则层，人口自然增长率、土地垦殖率和农民人均纯收入等17个指标层，构建河北省耕地生态安全指标体系，并采用熵值法和阻力诊断模型，对1991—2010年河北省耕地生态安全状况进行了评价分析。结果表明：（1）1991—2010年河北省耕地生态安全状态经历了“不安全—较不安全—临界安全”的变化阶段。（2）从单项指标变化趋势上看，1991—2010年河北省单位耕地化肥负荷、单位耕地农膜负荷、单位耕地农药负荷等指标阻力度上升幅度较大。系统压力和系统状态的阻力度呈上升趋势，而系统响应的阻力度呈下降态势。因此，在耕地利用过程中应注重对农药和化肥使用的管理，防止耕地生态环境的持续恶化，以保护耕地生态安全。
Abstract:
Cultivated land ecological security is related to food security and regional sustainable development. We used the PSR model to construct the cultivated land ecological security index system in Hebei Province by choosing the cultivated land ecological system pressure, status ecological system pressure, status and response as three criterion layers, and selecting 17 indicators layers such as the natural population growth rate, land reclamation rate, per capita net income of peasant. Then we adopted information entropy method and resistance diagnosis model to make an analysis of the cultivated land ecological security situation from 1991 to 2010 in Hebei Province. The results showed that: (1) from 1991 to 2010, cultivated land ecological security situation in Hebei Province had experienced ‘unsafely’, ‘less safety’, ‘criticality safety’; (2) from the view of single indicator change trend, the rise of the indicator of resistance degree was larger such as the unit of cultivated land fertilizer load, agricultural load and pesticide load from 1991 to 2010 in Hebei Province. The system pressure and the degree of resistance of the system state rose, but the response of the system resistance degree presented the downward trend. Therefore, in order to protect the cultivated land ecological security, the attention should be paid to the management of pesticide and fertilizer use, prevention of the cultivated land ecological environment worsening in the cultivated land utilization process.

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备注/Memo

收稿日期:2015-08-24;改回日期:2015-10-14。
基金项目:国土资源部公益性行业项目“环渤海盐碱土地景观整治与植物修复技术集成”（201311060）
作者简介:王燕辉(1988-),男,河北邯郸人,在读硕士,研究方向为土地利用及规划。E-mail:34461310@qq.com
通讯作者:张俊梅(1963-),女,河北保定人,教授,主要从事土地资源可持续利用研究。E-mail:254157642@qq.com

更新日期/Last Update: 1900-01-01