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Yield and household consumption of Rhododendron arboreum as a fuelwood species in Eastern Nepal
Ranjitkar, Sailesh1,2; Sujakhu, Nani Maiya1,3; Jati, Raju4; Xu, Jianchu1,2; Schmidt-Vogt, Dietrich1,2
Corresponding AuthorXu, JC (reprint author), Kunming Inst Bot, Key Lab Plant Biodivers & Biogeog East Asia KLPB, Kunming 650201, Peoples R China. ; J.C.Xu@cgiar.org ; schmidt-vogt@mail.kib.ac.cn
2014-02-01
Source PublicationBIOMASS & BIOENERGY
ISSN0961-9534
Volume61Pages:245-253
AbstractRhododendron arboreum Sm. is commonly used for fuelwood in mountainous regions of the Eastern Himalaya, however nothing is known about rates of extraction versus the annual increment capacity of the species in terms of biomass. In the study area, fuelwood is the major source of energy. We conducted household surveys and ecological surveys in and near two settlements to assess both fuelwood consumption and existing above ground biomass of R. arboreum. According to local residents, this species contributes 20-25% to household fuelwood requirements, while forest surveys and a survey of freshly cut stumps indicate that 15% of trees felled for fuelwood were R. arboreum. Trees were mostly young, comprised about 20% of all tree species in the forest, and accounted for 70.41 x 10(3) kg ha(-1) biomass in average. The biomass of felled trees was calculated as 8.71 x 10(3) kg ha(-1) at the time of study. Simulation based on the current rates of extraction and increment showed that the species will be in a critical condition in future at most of the monitored sites. In some places however, biomass was found to increase in spite of ongoing extraction. The results indicate that there is an urgent need of forest management which in a first step can be achieved through rotational harvesting that allows forest stands to regenerate and build up biomass. In addition, depletion of rhododendron stands can be reduced by economic development through ecotourism on the theme of rhododendrons, and by providing access to alternative sources of energy. (C) 2013 Elsevier Ltd. All rights reserved.
KeywordRhododendron Arboreum Biomass Woodfuel Kanchenjunga Conservation Area Eastern Himalaya
Subject AreaAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
DOI10.1016/j.biombioe.2013.12.016
Indexed BySCI
Language英语
WOS Research AreaAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000332805400025
Citation statistics
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/18066
Collection资源植物与生物技术所级重点实验室
Affiliation1.Kunming Inst Bot, Key Lab Plant Biodivers & Biogeog East Asia KLPB, Kunming 650201, Peoples R China
2.East Asia Node, World Agroforestry Ctr, Kunming 650201, Peoples R China
3.Univ Chinese Acad Sci, Kunming, Peoples R China
4.Resources Himalaya, Environm Grad Himalaya, Lalitpur 44700, Nepal
Recommended Citation
GB/T 7714
Ranjitkar, Sailesh,Sujakhu, Nani Maiya,Jati, Raju,et al. Yield and household consumption of Rhododendron arboreum as a fuelwood species in Eastern Nepal[J]. BIOMASS & BIOENERGY,2014,61:245-253.
APA Ranjitkar, Sailesh,Sujakhu, Nani Maiya,Jati, Raju,Xu, Jianchu,&Schmidt-Vogt, Dietrich.(2014).Yield and household consumption of Rhododendron arboreum as a fuelwood species in Eastern Nepal.BIOMASS & BIOENERGY,61,245-253.
MLA Ranjitkar, Sailesh,et al."Yield and household consumption of Rhododendron arboreum as a fuelwood species in Eastern Nepal".BIOMASS & BIOENERGY 61(2014):245-253.
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