[1]李远艳,安裕伦,杨广斌.基于PSR模型的喀斯特地区生态系统健康动态评价——以贵州省为例[J].水土保持研究,2015,22(06):279-286.
　LI Yuanyan,AN Yulun,YANG Guangbin.Dynamic Evaluation of Ecosystem Health Based on PSR Model in Karst Areas—A Case Study of Guizhou Province[J].Research of Soil and Water Conservation,2015,22(06):279-286.
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基于PSR模型的喀斯特地区生态系统健康动态评价——以贵州省为例

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 22 期数: 2015年06期 页码: 279-286 栏目: 出版日期: 2015-12-28
Title:
Dynamic Evaluation of Ecosystem Health Based on PSR Model in Karst Areas—A Case Study of Guizhou Province
作者:
李远艳1,2, 安裕伦1,2, 杨广斌1,2
1. 贵州师范大学 地理与环境科学学院, 贵阳 550001;
2. 贵州师范大学 山地资源与环境遥感重点实验室, 贵阳 550001
Author(s):
LI Yuanyan1,2, AN Yulun1,2, YANG Guangbin1,2
1. School of Geographic and Environmental Sciences, Guizhou Normal University, Guiyang 550001, China;
2. Key Laboratory of Mountain Resources and Environmental Remote Sensing, Guizhou Normal university, Guiyang 550001, China
关键词:
生态系统健康; 评价; PSR; 贵州省; 喀斯特
Keywords:
ecosystem health; evaluation; PSR; Guizhou Province; karst
分类号:
X171.1;X171.4
摘要:
在生态重建的大背景下，生态环境问题成为各界关注的焦点问题。贵州省生态环境敏感，石漠化广布，水土流失严重，客观的生态系统评价的必要性日益突出。以贵州省为例，结合GIS、RS技术，采用压力—状态—响应模型（PSR）指标体系法，对贵州省2000—2010年生态系统健康进行评价，得到贵州省生态系统健康等级分布状况及时空变化特征。评价结果表明：（1）贵州省生态系统健康水平基本处于Ⅲ和Ⅳ等级；（2）十年间生态系统健康状况略微好转，主要由Ⅲ级向相邻等级变化，其他等级间的转化较少；（3）地州市一级，生态健康平均水平最高的是黔东南州，最低的是毕节市，县市一级，生态状况最好的是赤水市，最差的是南明区；（4）引起生态系统健康变化的主要因素有人口、城市化、自然因素和产业配比。根据评价结果，提出重点保护东南部加强整治西北部，并建立区域性的分级生态管理体制的建议。
Abstract:
Under the background of the ecological reconstruction, the ecological problems become the focus of all walks of life. Owing to the sensitive ecoenvironment of Guizhou Province,the wide rocky desertification distribution and serious soil erosion, the necessity of the objective evaluation of ecological system is becoming more and more increasingly prominent. Taking Guizhou Province as the case study, using the index system method of pressure state response (PSR) model and combining GIS and RS technology, we evaluated ecosystem health of Guizhou in the period from 2000 to 2010 and analyzed the spatial and temporal variation characteristics. The results showed that: (1) the health level of ecological system in Guizhou Province was basically in the Ⅲ and Ⅳ grade; (2) ecosystem health had gotten slightly better in the ten years, mainly changed from the level Ⅲ to the adjacent level, other classes transformed less;(3) at the prefecture-level and city level, the highest average level of ecological health is found in southeast state of Guizhou, the lowest one is found in Bijie City; at the county-level and city level, the ecological condition of Chishui City is the best, and Nanming district is the worst one; (4) the main factors causing the ecosystem health change are population, urbanization, natural factors and industrial ratio. Furthermore, according to the evaluation results, corresponding countermeasures are put forward to protect southeast and strengthen punish northwest, and establish regional grading ecological management system.

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备注/Memo

收稿日期:2014-12-06;改回日期:2015-01-06。
基金项目:国家自然科学基金（41161002），贵州省科技攻关项目[黔科合GY字（2006）3022]，贵州省省长基金[黔省专合字（2011）46号]，贵州省环保厅项目：全国生态环境十年变化（2000—2010）遥感调查与评估贵州专题
作者简介:李远艳(1989-),女,贵州贵定人,在读硕士,主要从事地理信息系统与遥感研究。E-mail:liyuanyanlyy@163.com
通讯作者:安裕伦(1957-),男,贵州贵阳人,教授,硕士生导师,主要从事自然地理学、GIS与环境遥感研究。E-mail:anyulun@126.com

更新日期/Last Update: 1900-01-01