[1]杨致远,刘琪璟*,秦立厚,等. 延安市退耕还林工程生态效益评价[J].西北林学院学报,2022,37(1):259-266.[doi:10.3969/j.issn.1001-7461.2022.01.39]
　YANG Zhi-yuan,LIU Qi-jing*,QIN Li-hou,et al. Ecological Benefit Assessment of the Grain for Green Project in Yan’an[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2022,37(1):259-266.[doi:10.3969/j.issn.1001-7461.2022.01.39]
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 延安市退耕还林工程生态效益评价()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第37卷
期数:
2022年第1期
页码:
259-266
栏目:
出版日期:
2022-01-31

文章信息/Info

Title:
 Ecological Benefit Assessment of the Grain for Green Project in Yan’an
文章编号:
1001-7461(2022)01-0259-08
作者:
 杨致远1; 刘琪璟1*; 秦立厚1; 刘丰喆2; 斯庆毕力格1; 3
 （1.北京林业大学 林学院，北京 100083；2.中国人民大学，北京 100871；3.鄂尔多斯市林业和草原事业发展中心，内蒙古 鄂尔多斯 017010）
Author(s):
 YANG Zhi-yuan1; LIU Qi-jing1*; QIN Li-hou1; LIU Feng-zhe2; Siqingbilige1; 3
 (1.Beijing Forestry University,Beijing 100083,China; 2.Renmin University of China,Beijing 100871,China; 3.Ordos Forestry and Grassland Development Center,Forestry Building,Ordos 017010,Inner Mongolia,China)
关键词:
 ; 退耕还林; 服务功能; 生态效益; 延安市
Keywords:
 ; Grain for Green Project;  ecosystem service;  ecological benefit;  Yan’an City
分类号:
S718.56
DOI:
10.3969/j.issn.1001-7461.2022.01.39
文献标志码:
A
摘要:
 基于延安市1999-2019年退耕还林工程数据，依据《退耕还林工程生态效益监测评估技术标准与管理规范》和《森林生态系统服务功能评估规范》，选取净化大气环境、涵养水源、保育土壤、林木积累营养物质和固碳释氧等5个生态服务功能，使用市场价值法、影子工程法、机会成本法和替代法等对延安市退耕还林工程生态效益进行了评估。结果表明，延安市退耕还林工程年生态效益总价值量为173.10亿元，在5种生态功能中以涵养水源发挥的生态功能最大，约占生态效益总价值量的44.48%，积累营养物质发挥的生态功能最小，仅占总价值量的3.38%。不同植被恢复类型以退耕地还林生态效益最大，约占总生态效益的60.47%。不同树种的生态效益以刺槐林最大，约占总生态效益的54.70%。延安市退耕还林工程生态效益在空间分布上具有一定的差异性，以吴起县生态效益最高，整体呈现出北高南低的趋势。
Abstract:
 Since 1999,the "Grain for Green Project" has been implemented for 20 years in Yan’an City.The ecological benefits of the project in the past 20 years need to be further evaluated.Based on the annual data of the project from 1999 to 2019 in Yan’an City,5 ecosystem service functions were selected to evaluate the ecological benefits of the project according to the official regulations,i.e.,"Ecological Standard Monitoring and Evaluation of Grain for Green Project" and "Specifications for Assessment of Forest Ecosystem Services in China".The results showed that the total value of the project was 17.310 billion yuan.Among the five ecosystem services,the value of water storage was the largest and accounted for 44.48% of the total value.The value of nutrient accumulation was the smallest and only accounted for 3.38% of the total value.The ecological benefits of the project was the highest and the closing hillsides to facilitate afforestation was the lowest.For different tree species,Robinia pseudoacacia had the largest ecological benefit and accounted for 54.70% of the total value.For the spatial distribution of ecological benefits,the ecological benefits in the north was higher than that in the south and the value of Wuqi County was the highest.

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备注/Memo

备注/Memo:
 收稿日期：2021-02-05修回日期：2021-07-02
基金项目：国家重点研发计划（2017YFC0506500）；国家林业和草原局生态工程核查管理项目“十三五森林质量精准提升监测研究”（2130237-18-0802-2101）。
第一作者：杨致远。研究方向：森林经理学。E-mail：gatkyle@outlook.com
*通信作者：刘琪璟，博士，教授。研究方向：森林经理学。E-mail：liuqijing@bjfu.edu.cn
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