Simplification of pine forests due to utilization by Tibetan villages in southwest China
Melick, David R.; Yang, Xuefei; Xu, Jianchu
2007-12-01
发表期刊ENVIRONMENTAL MANAGEMENT
ISSN0364-152X
卷号40期号:6页码:866-879
摘要In 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.
关键词Community Forest Fuelwood Logging Ban Non-timber Forest Products Northwest Yunnan Pinus Densata
学科领域Environmental Sciences
DOI10.1007/s00267-007-9015-0
收录类别SCI
语种英语
WOS研究方向Environmental Sciences & Ecology
WOS类目Environmental Sciences
WOS记录号WOS:000251224800005
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/2527
专题资源植物与生物技术所级重点实验室
作者单位1.WWF S Pacific, Papua, Guinea
2.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Heilongtan, Peoples R China
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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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