[1]杜国明,孙晓兵,刘彦随.延安市退耕对生态的影响及其人文驱动因素分析[J].水土保持研究,2016,23(03):233-239,245.
　DU Guoming,SUN Xiaobing,LIU Yansui.Analysis of Ecological Restoration on Ecosystem Services and Its Human Driving Factors in Yan’an City[J].Research of Soil and Water Conservation,2016,23(03):233-239,245.
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延安市退耕对生态的影响及其人文驱动因素分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 23 期数: 2016年03期 页码: 233-239,245 栏目: 出版日期: 2016-06-28
Title:
Analysis of Ecological Restoration on Ecosystem Services and Its Human Driving Factors in Yan’an City
作者:
杜国明1,2, 孙晓兵1, 刘彦随2
1. 东北农业大学 资源与环境学院, 哈尔滨 150030;
2. 中国科学院 地理科学与资源研究所, 北京 100101
Author(s):
DU Guoming1,2, SUN Xiaobing1, LIU Yansui2
1. College of Resources and Environment, Northeast Agricultural University, Harbin 150030, China;
2. Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China
关键词:
生态退耕; 生态系统服务; 人文驱动因素; 延安市
Keywords:
ecological restoration; ecosystem services; human driving factors; Yan’an City
分类号:
F301.24
摘要:
在对延安市生态退耕特征分析的基础上，阐释了其对生态系统服务功能的影响，并借助STIRPAT模型探究了生态退耕过程中耕地面积变化与其人文驱动因素的定量关系。研究表明：2000—2013年延安市以耕地、林地、草地为主要景观类型，而耕地面积大幅度减少，林地、草地面积稳步增加，且耕地主要转化为林地、草地，分别占其转出量的28.627%，66.664%；延安市2000—2013年生态服务价值稳步增加，增长率为7.624%，年均增长量为1.416亿元，而耕地、草地、林地生态系统服务价值贡献率依次递增，建设用地比重逐渐增大，水域及荒漠则波动变化，且单项生态系统服务功能值变异系数逐渐降低，各项生态服务功能呈现均衡化发展趋势；人口数量增加、社会经济增长、产业结构调整对耕地面积减少具有积极作用，而非农业人口数量增加及农村经济水平提升能够促进耕地面积的增加，各驱动因素综合影响着耕地面积变化及生态退耕过程与生态系统结构，并对区域生态系统服务功能影响显著。
Abstract:
Based on the analysis of the ecological restoration characteristics of Yan’an City, we explained its impact on the ecosystem service function, and used the STIRPAT model to explore the quantitative relationship of ecological restoration process of cultivated land change and human driving factors. The results show that the main landscape pattern of Yan’an City in 2000—2013 was cultivated land, woodland, grassland, while the cultivated area reduced greatly, forestland and grassland area increased steadily. The forestland and grassland mostly resulted from the conversion of the cultivated land, which accounted for 28.627% and 66.664% of its changing amount, respectively. The ecosystem service value of Yan’an City has steadily increased during the period from 2000 to 2013, of which the growth rate was 7.624%, and the average annual growth amount was 141.6 million Yuan. The ecosystem service value contribution rates of arable land, grassland, forestland were increasing, and the proportion of construction land increased gradually, but the water body and desert were fluctuation. On account of the coefficient of variation decreasing, the ecological service function showed the development trend of equalization. The increasing population, social economic growth and industrial structure adjustment have the positive effect on decrease of arable land area, but the increase of non-agricultural population and the level of the rural economy can promote the cultivated land growth and the effective utilization of cultivated land. All driving factors combined to affect the change of cultivated land area, the ecological restoration and the structure of ecosystem, then the influence of the regional ecosystem services is notable.

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备注/Memo

收稿日期:2015-06-03;改回日期:2015-06-21。
基金项目:国家“十二五”科技支撑计划项目“空心村快速调查识别与整治关键技术研究”（2014BAL01B01）
作者简介:杜国明(1978-),男,内蒙古宁城县人,博士,教授,主要从事土地资源优化配置研究。E-mail:nmgdgm@126.com

更新日期/Last Update: 1900-01-01