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Modeling the production and uses of biological resources from the viewpoint of energy flow in a rural village in Sichuan, China
Tsunekawa, A; Saito, C; Takeuchi, K; Zhu, B; Abe, K
Corresponding AuthorTsunekawa, A
2003-07-01
Source PublicationENVIRONMENTAL MANAGEMENT
ISSN0364-152X
Volume32Issue:1Pages:47-61
SubtypeArticle
AbstractThis study aimed at clarifying the impact of deforestation and afforestation on the quality of life in a village in Sichuan Province, China. We devised a conceptual model of bioresource production and use based on quantified energy flow. The basic structure of the model has three sectors: production, use, and externals. We developed comprehensive methodology to quantify the model. Bioresource use per person in 1997 was 3.7 GJ for food, 10.2 GJ for fodder, 0.2-0.4 GJ for building material, 12.8 GJ for fuel, and 1.8 GJ for fertilizer, totaling 28.6-28.8 GJ. We used four environmental indicators to evaluate bioresource production and use: a biological productivity indicator, a use-efficiency indicator, a supply-demand balance indicator, and a self-sufficiency indicator. Use of these indicators showed that supply-demand balance of fuel was dramatically improved from 30% to 85% by afforestation, but 99% of bioresource use still depends on domestic products. Thus, it is necessary to improve biological productivity and promote the efficient use of bioresources to achieve sustainable living in the area. Massive deforestation in the 1950s caused a direct shortage of building material and fuel wood. The shortage of wood led to a stagnation in the rebuilding of houses, and fuel wood was substituted with crop residues. Because crop residues had been used for fertilizer and fodder, their use as fuel caused a shortage of fertilizer and fodder. This was an indirect impact of deforestation on people's quality of life.
KeywordBioresource Model Environmental Indicator Quality Of Life Deforestation Sustainability
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1007/s00267-002-2915-0
WOS Subject ExtendedEnvironmental Sciences & Ecology
Indexed BySCI
WOS KeywordTHAR-DESERT ; INDIA ; CONSUMPTION ; BIOMASS
Language英语
WOS SubjectEnvironmental Sciences
WOS IDWOS:000185897300004
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/10599
Collection成都山地所知识仓储(2009年以前)
山地表生过程与生态调控重点实验室
Affiliation1.Univ Tokyo, Grad Sch Agr & Life Sci, Bunkyo Ku, Tokyo 1138657, Japan
2.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Sichuan Prov, Peoples R China
3.Pacific Consultants Co Ltd, Dept Environm, Shinjuku Ku, Tokyo 1630730, Japan
Recommended Citation
GB/T 7714
Tsunekawa, A,Saito, C,Takeuchi, K,et al. Modeling the production and uses of biological resources from the viewpoint of energy flow in a rural village in Sichuan, China[J]. ENVIRONMENTAL MANAGEMENT,2003,32(1):47-61.
APA Tsunekawa, A,Saito, C,Takeuchi, K,Zhu, B,&Abe, K.(2003).Modeling the production and uses of biological resources from the viewpoint of energy flow in a rural village in Sichuan, China.ENVIRONMENTAL MANAGEMENT,32(1),47-61.
MLA Tsunekawa, A,et al."Modeling the production and uses of biological resources from the viewpoint of energy flow in a rural village in Sichuan, China".ENVIRONMENTAL MANAGEMENT 32.1(2003):47-61.
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