Population Characteristics of National Rare and Endangered Plant Disanthus cercidifolius var.longipes
Disanthus cercidifolius var. longipes is an endemic and monotypic genus of Hamamelidaceae, and is listed as a rare and endangered species under state protection (Category Ⅱ) in China. Data collected from 30 quadrats (10m × 10m) of 4 sample sites in Nanling mountains were analyzed to study the population characteristics of D. cercidifolius var. longipes, such as spatial distribution, density, age classes, etc. A static life table for the population was made and a distribution and survivorship curve was drawn in order to make clear dynamic changes of the population characteristics of D. cercidifolius var. longipes. The results showed that the individuals of the population of D. cercidifolius var. longipes was not evenly distributed but in cluster and had a high survival rate in nature or under well-protected vegetation condition. The age classes of D. cercidifolius var. longipes were distributed in a growing pattern, indicating an obvious potential of development.
Disanthus cercidifolius var. longipesrare and endangered plantpopulation characteristicsspecies protectionNanling mountains