Autecology and conservation status of Magnolia sargentiana Rehder & Wilson (Magnoliaceae) in the Dafengding region, southern Sichuan Province, China
Identifieur interne : 000C42 ( Istex/Curation ); précédent : 000C41; suivant : 000C43Autecology and conservation status of Magnolia sargentiana Rehder & Wilson (Magnoliaceae) in the Dafengding region, southern Sichuan Province, China
Auteurs : Jing Wang [République populaire de Chine] ; Ya Tang [République populaire de Chine] ; Zheng-Hua Xie [République populaire de Chine] ; Mian-Yue Zhang [République populaire de Chine]Source :
- Journal of Systematics and Evolution [ 1674-4918 ] ; 2009-11.
English descriptors
Abstract
Abstract This paper reports the first population ecology study of the endangered Magnolia sargentiana Rehder & Wilson (Magnoliaceae). Magnolia sargentiana is a protected species in China, but little is known about its present status in the field. In 2007 and 2008, we surveyed the population and conservation status of M. sargentiana in the Provincial Mamize Nature Reserve and the National Meigu Dafengding Nature Reserve, Sichuan Province, southwestern China. Natural regeneration is poor because of unfavorable environmental conditions and anthropogenic disturbances. Flower buds and bark of M. sargentiana are used in traditional Chinese medicine and their collection by local people over the period 1983–1994 has led to marked population declines. The collection of flower buds and bark is now banned, but hewing branches for firewood and grazing continues to have a negative impact on the recovery of M. sargentiana populations. To protect the species, we require a ban on hewing branches, closure of primary forests to reduce the impact of humans and ungulates, better education of local people, and increased awareness of wildlife conservation.
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DOI: 10.1111/j.1759-6831.2009.00051.x
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ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract">Abstract This paper reports the first population ecology study of the endangered Magnolia sargentiana Rehder & Wilson (Magnoliaceae). Magnolia sargentiana is a protected species in China, but little is known about its present status in the field. In 2007 and 2008, we surveyed the population and conservation status of M. sargentiana in the Provincial Mamize Nature Reserve and the National Meigu Dafengding Nature Reserve, Sichuan Province, southwestern China. Natural regeneration is poor because of unfavorable environmental conditions and anthropogenic disturbances. Flower buds and bark of M. sargentiana are used in traditional Chinese medicine and their collection by local people over the period 1983–1994 has led to marked population declines. The collection of flower buds and bark is now banned, but hewing branches for firewood and grazing continues to have a negative impact on the recovery of M. sargentiana populations. To protect the species, we require a ban on hewing branches, closure of primary forests to reduce the impact of humans and ungulates, better education of local people, and increased awareness of wildlife conservation.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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