杭州植物园珍稀濒危植物的迁地保护现状调查

Current Situation Investigation on ex situ Conservation for Rare and Endangered Plant in Hangzhou Botanical Garden

对杭州植物园珍稀濒危植物的迁地保护现状进行调查,并对其种类组成和死亡原因进行分析.结果发现:50多年来,共引种116种珍稀濒危植物,隶属53科89属,占全国珍稀濒危植物的29.8%;气候条件差异、引种数量不足、管理措施不当等因素是造成部分物种迁地保护失败的主要原因.针对存在的问题提出一些解决方案和措施.

The paper has investigated the current situation of ex situ conservation for rare and endangered plants in Hangzhou Botanical Garden,and analyzed the classification and cause of death of these rare and endangered plants.The results show that Hangzhou Botanical Garden had introduced 116 rare and endangered plants since 1956,which belongs to 89 genera,53 families and occupied 29.8% in all of the rare and endangered plants in China.The difference of climate between different regions,the shortage quantity of introduced plants and the inappropriate measures of management are main reasons which have caused ex situ conservation of some rare and endangered plants come to nothing.