文献类型：期刊文献

中文题名：Economic Benefit Analysis of Sedimentation Reduction by Forests in Miyun Watershed, Beijing

英文题名：Economic Benefit Analysis of Sedimentation Reduction by Forests in Miyun Watershed, Beijing

作者：XIAO Jianmin[1] MA Lvyi[2] HUANG Donghui[3]

第一作者：校建民

机构：[1]Research Institute of Forestry Policy and Information, Chinese Academy of Forestry, Beijing 100091, P.R.China;[2]Graduate School of Beijing Forestry University, Beijing 100083,P.R.China;[3]Urban Development Division, Economic ＆ Technological Development Zone, Oinhuangdao 066004 P.R. China

年份：2005

卷号：4

期号：4

起止页码：54-59

中文期刊名：中国林业科技：英文版

语种：英文

中文关键词：分水岭;密云区;北京;森林;土壤侵蚀;造林技术;沉积现象;水土保持

外文关键词：watershed, forest, sedimentation, economic benefit, Miyun, Beijing, China

分类号：S714.7

摘要：The economic benefit of sediment reduction by pine forest and black acacia forest at different age classes in Miyun reservoir watershed was studied using the approach of relocation cost based on the field survey from 1996 to 1999. The results show that if the transportation of eroded soil into Miyun reservoir was estimated as 100%, the economic benefit of sediment reduction by pine forest would be 59-164 RMB yuan/ha（RMB yuan = Renminbi yuan, or yuan） per year （US$1=8.27 RMB yuan during the period of research）, and 58-134 yuan/ha by black acacia forest. The average economic benefit of sediment reduction by forest is 130 yuan/ha per year. If r （the rate at which the eroded soil will enter a reservoir） varies, the economic benefits of sediment reduction also change. To estimate the economic benefit of sediment reduction more accurately, r should be measured from the field test. The results from this study provide information to help assess the feasibility of the environmental project in thids area.