摘要
荷叶铁线蕨是被列入《中国植物红皮书》的三峡库区特有的濒危植物,其分布范围狭窄,繁殖力弱,资源量稀少。三峡水库的兴建将对荷叶铁线蕨的生长环境及种质资源产生严重影响。本文阐述了该种植物的生物学、生态学特性,分析了其群落学特征,并评估了三峡工程对它的影响,提出了保护该物种的有效措施。
Adiantum reniforme var. sinense is not only an endangered plant species listed in the Red Data Book of Plant in China, but also an endemic one only distributed within a very narrow area in the Three-Gorge region with a weak reproductivity and limited number of individuals. The Three-Gorge Project will inevitable damage the habitats and germplasm resources of this species in the following ways. Firstly, the Three-Gorge Reservoir will directly submerge the individuals which are distributed below the proposed water level (alt. 175m); Secondly, the population immigration will destroy the species distributed above the reservoir water level; and thirdly, the climate changes caused by the huge reservoir will affect the future living of this species. To preserve the species endangered by the construction of the project, some appropriate ways were suggested in the present paper. The establishment of nature reserves in the main distribution areas in the most effective approach for the habitat preservation of the fern, and ex situ conservation and tissue culture are two necessary ways to preserve the fern germplasm resources.
出处
《生物多样性》
CAS
CSCD
1993年第1期16-18,共3页
Biodiversity Science
关键词
三峡工程
荷叶铁线蕨
濒危植物
the Three-Gorge Project endangered and endemic plant
Adiantum reniforme var
sinense
conservation strategies
