珍稀濒危树种的迁地保育以及在城市建设中的作用

<title>Ex situ conservation of endangered and rare trees and its functionin urban construction

成功地迁地保育了珙桐、夏蜡梅等60种珍稀树种,其中40种已开花结果,占总数的66%。有的树种已形成了自然种群和更新苗。在迁地保育中,一方面应注意观测树种本身的潜在适应能力,适应能力越强越容易成功;同时应注意"引种保育区"的小生境条件和原产地生境条件的相似程度,相似程度越高越容易成功。文内还讨论了迁地保育的技术措施和珍稀树种在城市建设中的作用。

<Abstrcat>This paper reports the ex situ conservation of sixty endangered and rare tree species,such as Dividia involucrate,Calycanthus chinensis.Among them forty species,Sixtysix percent of them have bloomed and set fruits.Some species have also produced seedling trees and established natural population.During the process of ex situ conservation,the potential adaptive ability of trees and the similarity between the habitats of conservation and their original habitats would be considered as high levels of adaptation and similarity are beneficial for conservation.In addition,technology of conservation and the function of endangered and rare trees in urban construction was concered.