元宝山冷杉种群濒危原因与保护对策

The Endangered Causes and Protection Strategy of Abies yuanbaoshanensis

元宝山冷杉是仅产于广西北部元宝山的珍稀植物,分布区狭小,种群数量不足 900 株,属高度濒危的类群.元宝山冷杉濒危的主要原因有:分布范围小,天然更新能力差,幼苗死亡率高,受群落生境限制,动物活动的影响等.针对种群濒危的现状和原因,提出了保护的建议和对策.

Abies yuanbaoshanensis is endemic and endangered evergreen conifer,listed in the Red Data Book of plant in P.R.C.,being one of the state-protected 1st grade rare and endangered plants,with less than 900 individuals remaining on earth,and distributed only in Yuanbaoshan Mountain in northern Guangxi.The endangered cause for Abies yuanbaoshanensis are as follows:the distribution area is so narrow;there are fewer fir-apple and mature seeds in the cones,inferior capability of seeds for burgeon;the juvenile is in competition with the other plants for various resources is disadvantageous;the intervention of animal activities. Furthermore,the strategies for protection of Abies yuanbaoshanensis are discussed in this paper.