%0 Journal Article
%T The endangered causes of Elaeagnus mollis,an endemic to China<br>我国特有珍稀植物翅果油树濒危原因分析
%A SHANGGUAN Tieliang
%A ZHANG Feng
%A <br>上官铁梁
%A 张峰
%J 生态学报
%D 2001
%I 
%X Elaeagnus mollis is an endemic to China,being one of the state protected two grade rare and endangered plants, and distributed mainly in hills and lower mountains in southern Shanxi and at the northern foot of Qinling Ranges in Shaanxi. The eco environmental characteristics of E. mollis areas are as follows: heat energy is efficiency, annual rainfall is small and stands are poor. The endangered reasons for E. mollis are follows:(1) the shape and structure of fruit were unusual so that is harmful to its germination and spreading, (2)there are fewer mature seeds in the fruits,(3) seed life span is shorter and germination ratio is lower, (4) the seedling and juvenile of E. mollis is in competition with the other plants for various resources is disadvantageous and (5) the intervention of human activities is severe. Furthermore, the strategies for protection of E. mollis are discussed in this paper.
%K Elaeagnus mollis
%K eco-environment
%K endangered
%K protection<br>翅果油树
%K 生态环境
%K 濒危
%K 保护
%K 种群生态
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=FE163E5DB2274E5937319DE98913EC37&aid=532AF28E92C70481&yid=14E7EF987E4155E6&vid=659D3B06EBF534A7&iid=38B194292C032A66&sid=51F9E747BA1ACB45&eid=42D7028D961473F8&journal_id=1000-0933&journal_name=生态学报&referenced_num=30&reference_num=30