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Water conservation of forest ecosystem in Beijing and its value
Zhang B. A.; Li W. H.; Xie G. D.; Xiao Y.
出处Ecological Economics
2010
69
7
1416-1426
关键词Forest Ecosystem Water Conservation Function Value Beijing Services China
英文摘要Under a scenario of global climate change, the water conservation function of Beijing's forest ecosystems has attracted considerable public attention. In this paper, the term of water conservation is described as a comprehensive regulation of forests on water resources through various hydrological processes, and grouped into three services, i.e., rainfall interception, soil water storage and fresh water provision. On the basis of Beijing's forest resource survey data and mathematical simulations, the function and the economic value of water conservation was estimated. The result showed that, the forest ecosystems of Beijing could intercept approximately 1.43 billion cubic meters of rainfall and 277.82 million cubic meters of soil water under ideal conditions, and supply 286.67 million cubic meters of fresh water, their economic values were estimated to be about 2.77 billion RMB(Chinese Currency, 8.28RMB=US$1), 2.15 billion RMB, and 315.33 million RMB, respectively. The total economic value of water conservation provided by Beijing's forests was 5.23 billion RMB, and the economic benefit per hectare was equal to 5704 RMB. Furthermore, the spatial variation of water conservation functions and the monetary values of the main forest ecosystems in different locations in Beijing were analyzed, and the effects of water conservation provided by the forest ecosystem on the development of society and economy in Beijing were discussed. This work contributes to the realization and preservation of forest resources in Beijing. (C) 2008 Elsevier B.V. All rights reserved.
收录类别SCI
ISSN号0921-8009
文献类型SCI/SSCI论文
条目标识符http://ir.igsnrr.ac.cn/handle/311030/22440
专题历年回溯文献
推荐引用方式
GB/T 7714
Zhang B. A.,Li W. H.,Xie G. D.,et al. Water conservation of forest ecosystem in Beijing and its value. 2010.
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