According to the biological and ecological characteristics of the Ex Sita conservation plants and the ecological environment conditions of their origins,and based on the plant introduction principle,a preliminary study of Ex Situ bionics conservation of rare and endangered plants from Hunan and adjoining provinces has been carried out in Hunan Forest Botanical Garden since ig86.

In order to save,conserve and utilize the rare and endangered tree species,atrial site for introduction and Ex Situ conservation has been set up in the arboretum ofGuangxi Academy of Forestry.

The optimal viable problems of economic system under the expansion of viable domain and viable migration of economic system are studied separately.

Comparison of flowering phenology of two species of Ammopiptanthus (Fabaceae) under ex situ conservation in the Turpan Eremophytes Bo-tanical Garden, Xinjiang;

The ex situ conservation of tropical plant diversity in Southern Yunnan;

Zoo construction is one of the principal manners for ex situ conservation of animals.

Bamboo resources,utilization and ex-situ conservation in Xishuangbanna,South-eastern China;

Mass fraction and bioavailability of macronutrients of 21 ex-situ conservation rare plants in Wuhan Botanical Garden;

Progress on introduction and ex-situ conservation on Metasequoia glyptostrobodies in the world;