南岳衡山珍稀濒危野生植物资源调查

An Investigation on Rare and Endangered Wild Plant Resources in Nanyue Hengshan Mountain

2008—2010年,对南岳衡山野生植物资源进行了实地调查,调查结果表明:南岳衡山有国家重点保护野生植物17种,其中一级保护3种,二级保护14种。国家珍稀濒危植物14种。列入2007年《中国物种红色名录》中受胁威的珍稀濒危植物87种,其中极危1种,濒危13种,易危36种,近危26种,无危11种。兰科植物23属46种,且具有附生、地生和腐生各种生态类型。另外对银杏、伯乐树居群进行了分析,得出南岳衡山是银杏野生居群保存和现代分布地区之一,保存在该区的银杏,伯乐树的天然林应为原始林的残遗成分,具有古老和残遗特性。

From 2008 to 2010, a field investigation was conducted on the wild plant resources in Nanyue Hengshan Mountain. The findings show that there are 17 species of national protected wild plants, inclu- ding 3 species of national first-class protective ones and 14 species of national second-class protective ones; there are 14 species of national rare and endangered plants; there are 87 species of rare and endan- gered plants which were listed in the year 2007＇ s China Species Red List, including one species which is critically endangered, 13 endangered, 36 vulnerable, 26 nearly stoppable and 11 no danger; there are 46 species of orchid which are distributed in 23 genera and 3 ecotypes： terrestrial, epiphytic, saprophytic. In addition, the population of ginkgo and Bretschneidera sinensis are analyzed and the result is that Nanyue Hengshan Mountain is one of the wild population and modem distributive regions of ginkgo; The saved natural ginkgo and Bretschneidera sinensis forest is the relict of primitive forest, with ancient and relic characteristics.