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Simplification of pine forests due to utilization by Tibetan villages in southwest China
Melick, David R.; Yang, Xuefei; Xu, Jianchu
AbstractIn China, many rural communities depend upon forests to provide wood, fuel, fertilizer, animal bedding, and valuable non-timber forest products (NTFP). However, the degree to which forest resource extraction is compatible with new conservation aims is unclear because there is little information on the specific ecological effects of traditional forest collecting practices. Therefore, we compared the structure and floristics of Pinus densata forests exposed to three levels of resource extraction by Tibetan villages in northwest Yunnan: (1) a forest site protected from wood and timber removal, (2) moderately utilized forest sites exposed to traditional collecting practices, and (3) patches of highly utilized forest from which timber extraction is high in response to recent development pressures. The results show that understorey and cryptogamic species are reduced in all the utilized forest sites by comparison with the protected forest. However, the moderately utilized pine forests still provide good NTFP habitats by maintaining relatively high canopy covers, litter covers, and understorey structural complexity; this suggests that traditional forest resource use, while simplifying the forest, does not pose an increasing threat to pine forest integrity. By comparison, the highly utilized forests are transformed into open, herb-rich environments in which canopy covers and understorey complexity are depleted, and NTFP habitats are degraded. In the future it may be practical to enhance biodiversity by proscribing forest resource collection, but the immediate priority is to monitor the sustainability of forest utilization using indicators such as understorey development, litter cover, and cryptogamic richness.
KeywordCommunity Forest Fuelwood Logging Ban Non-timber Forest Products Northwest Yunnan Pinus Densata
Subject AreaEnvironmental Sciences
Indexed BySCI
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000251224800005
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.WWF S Pacific, Papua, Guinea
2.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Heilongtan, Peoples R China
Recommended Citation
GB/T 7714
Melick, David R.,Yang, Xuefei,Xu, Jianchu. Simplification of pine forests due to utilization by Tibetan villages in southwest China[J]. ENVIRONMENTAL MANAGEMENT,2007,40(6):866-879.
APA Melick, David R.,Yang, Xuefei,&Xu, Jianchu.(2007).Simplification of pine forests due to utilization by Tibetan villages in southwest China.ENVIRONMENTAL MANAGEMENT,40(6),866-879.
MLA Melick, David R.,et al."Simplification of pine forests due to utilization by Tibetan villages in southwest China".ENVIRONMENTAL MANAGEMENT 40.6(2007):866-879.
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