IMHE OpenIR  > 成都山地所知识仓储(2009年以前)
Study on the Spreading of Environmental Impact of Human Being’ s Activities and Its Crucial Factors in Upper Minjiang River
Fan Hong1; Zhao Hong-da2
Corresponding AuthorFan Hong
2003
Source PublicationWuhan University Journal of Natural Sciences
ISSN1007-1202
Volume8Issue:3BPages:949-956
Other AbstractThis paper focuses on the historical transition of human being’s activities and the eco-environment in the upper reaches of Minjiang River. The history is divided into 4 periods, each with its own feature. During the period of nomad immigration, the top-line of the subalpine forest was forced downward by the expanding subalpine meadow. During the period of farming nationality immigration, the bottom-line of middle mountain forest had moved upward forced by the needs for land or timber of the increasing population in the valley basia During the period of the early exploiting, the focus resource was the timber. The total output was limited, comparing with the later period, because of the bad accessibility. But it was large enough to impact the forest ecosystem of the deforesting area. The recent 50 years is the crucial period of economic development and eco-environment degradation. This paper points out that the impact of human being’s activities for environment lies on 3 factors: 1) physical features con
KeywordHistorical Period Human Being’s Activities Environmental Impact
Subject AreaX24
Language英语
Funding Organizationthe Knowledge Innovative program of Chinese Academy of Sciences(KSCX1-07-03)
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/10021
Collection成都山地所知识仓储(2009年以前)
Affiliation1.daCollege of Resources and Environment, Lanzhou University, Lanzhou 730000, Gansu, China
2.Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, Sichuan, China
Recommended Citation
GB/T 7714
Fan Hong,Zhao Hong-da. Study on the Spreading of Environmental Impact of Human Being’ s Activities and Its Crucial Factors in Upper Minjiang River[J]. Wuhan University Journal of Natural Sciences,2003,8(3B):949-956.
APA Fan Hong,&Zhao Hong-da.(2003).Study on the Spreading of Environmental Impact of Human Being’ s Activities and Its Crucial Factors in Upper Minjiang River.Wuhan University Journal of Natural Sciences,8(3B),949-956.
MLA Fan Hong,et al."Study on the Spreading of Environmental Impact of Human Being’ s Activities and Its Crucial Factors in Upper Minjiang River".Wuhan University Journal of Natural Sciences 8.3B(2003):949-956.
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