陕南秦巴山区植被生态功能的价值测评

doi:10.11821/xb200304003

地理学报 ›› 2003, Vol. 58 ›› Issue (4): 503-511.doi: 10.11821/xb200304003

陕南秦巴山区植被生态功能的价值测评

任志远,李晶

陕西师范大学旅游与环境学院，西安 710062

收稿日期:2003-01-09 修回日期:2003-03-29 出版日期:2003-07-25 发布日期:2003-07-25
作者简介:任志远, (1953-), 男, 陕西人, 教授, 博士生导师, 主要从事国土资源开发与生态环境评价研究, 发表论文60余篇。E-mail: renzhy@snnu.edu.cn
基金资助:
国家自然科学基金 (30070083); 教育部重大项目 (2000ZDXM700013)和重点项目 (01158); 陕西师范大学研究生培养创新基金资助项目

The Valuation of Ecological Services from the Vegetation Ecosystems in the Qinling-Daba Mountains

REN Zhiyuan, Li Jing

College of Tourism and Environmental Sciences, Shaanxi Normal University, Xi'an 710062, China

Received:2003-01-09 Revised:2003-03-29 Online:2003-07-25 Published:2003-07-25
Supported by:
National Natural Science Foundation of China, No.30070083; National Key Project and Key Item of Ministry of Education, No.2000ZDXM700013; No.01158; The Master Research Project of Shaanxi Normal University

摘要/Abstract

摘要：

根据秦巴山区20世纪末植被类型及覆盖度的分布，在GIS支持下测定秦巴山区植被生产和生态调节的物质量。利用生态经济学方法，测定各类植被生态功能的价值，建立秦巴山区植被生态数据库及植被生态账户。生态服务功能价值测评中，充分考虑了不同类型的覆盖度差异，并结合能量平衡、水量平衡和区域蒸散模式，测评结果表明：陕南秦巴山区植被生态系统有机质生产价值为199.6×108 元/a；植被保持土壤经济价值为22.64×108元/a；植被涵养水源的经济价值为22.66×108 元/a；植被固定CO2价值为352.24×108元/a；释放O₂价值为374.19×108 元/a；陕南秦巴山区植被有机物生产、保持土壤、涵养水源、固定CO₂和释放O₂ 5种生态服务功能价值共968.33×108 元/a。其中温带落叶阔叶林贡献率最高占29.35%，亚热带竹林、亚高山灌丛、草甸草原、山麓果树生态服务价值比重均在1%以下。

关键词: 区域植被, 生态功能, 价值测评, 陕南秦巴山区

Abstract:

Based on the characteristics of eco-environment in the Qinling-Daba Mountains of Shaanxi Province, according to differences of the vegetation types and coverage in the Qinling-Daba Mountains, combined with the advance of new research, this paper explores the theory and methods for the valuation of the vegetations ecosystem services, establishes the data basis of vegetation ecosystem, GIS and vegetation eco-account. By determining vegetation productions and eco-adjusted mass, taking advantage of the theory and methods on ecology-economics, the paper studies the value of the vegetation ecosystem services. The results show that: (1) the value of land-vegetation's primary productivity is 199.6 billion yuan/a; (2) the value of vegetation's soil and fertilization conservation is 22.64 billion yuan/a; (3) the value of vegetation water conservation is 22.66 billion yuan/a; (4) the value of fixing CO2 and releasing O2 is 352.24 billion yuan/a and 374.19 billion yuan/a respectively; and (5) the total value of ecosystem services is 968.33 billion yuan/a. The rate of contribution to the temperate deciduous broad-leaved forest is the highest, accounting for 29.35% of the total value.

Key words: regional vegetation, ecosystem services function, value evaluation, Qinling-Daba Mountains

任志远,李晶. 陕南秦巴山区植被生态功能的价值测评[J]. 地理学报, 2003, 58(4): 503-511.

REN Zhiyuan, Li Jing. The Valuation of Ecological Services from the Vegetation Ecosystems in the Qinling-Daba Mountains[J]. Acta Geographica Sinica, 2003, 58(4): 503-511.

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陕南秦巴山区植被生态功能的价值测评

The Valuation of Ecological Services from the Vegetation Ecosystems in the Qinling-Daba Mountains

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