黄杉属植物在云南的资源现状及保护利用研究

黄杉属(PseudotsugaCarr.)是东亚和北美间断分布的重要类群,在我国分布有5种,它们都是受国家二级保护的中国特有种类。对黄杉(PseudotsugasinensisDode)和澜沧黄杉(PseudotsugaforrestiiCraib)在云南分布资源状况进行调查研究,揭示了其种群现状、自然更新能力、当地居民的利用及导致树种濒危的可能因素,指出实现云南黄杉属种质资源有效保护和开发利用所面对的问题及应采取的措施。

Current status of germplasm resources of genus Pseudotsuga in Yunnan and the strategies on conservation and utilization

Genus Pseudotsuga L. is one of the important taxa exhibited the disjunct distribution of Eastern Asia Eastern North America. China has 5 endemic species and all of them have been listed as the second grade protect plants of the country. This paper based on the field investigation of Pseudotsuga sinensis Dode and Pseudotsuga forrestii Craib in Yunnan of China, probes into their current status of the populations and natural regeneration, the local uses and the possible endangered factors in the province. The strategies on conservation and utilization of the species have also been proposed.