摘要
北温带成分是秦岭种子植物区系组成中的优势成分 ,共有 2 2 5属 ,属数占秦岭所有种子植物总属数的 2 4 .0 8% ,占中国种子植物区系北温带成分总属数的 74 .5 0 %。该类成分在秦岭地区不仅丰富 ,而且是本区植被区系组成的优势成分 。
The north temperate of the seed plant flora in Qinling Mt. is studied in this paper. The result shows: the north temperate is a dominant element of the composition of the seed plant flora in Qinling Mt., there are 225 genera in this range, the amount of genera about north temperate account for 24.08% of the total genera in Qinling Mt. and 74.50% of the north temperate of China seed plant flora. The north temperate in this Mt. is not only rich in kind, but also the dominant element in the flora of the vegetation .The nature of the flora is temperate characteristics, and the origin of north temperate has the clear tropical nature.
出处
《广西植物》
CAS
CSCD
北大核心
2002年第1期19-28,共10页
Guihaia
基金
陕西省教育委员会自然科学基金资助项目 (95 JK0 41)
关键词
植物区系
北温带成分
性质
特点
起源
秦岭
flora
north temperate
nature
characteristics
origin
Qinling Mt.