检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
作 者:何明友[1] 张家藻 刘绍龙[1] 李霞[1] 朱荃[2] 李勇[2]
机构地区:[1]四川大学生物系 [2]四川省地震局
出 处:《四川大学学报(自然科学版)》1996年第5期609-614,共6页Journal of Sichuan University(Natural Science Edition)
摘 要:对黑竹沟植物进行了初步考察表明:该区产维管束植物116科352属约1100种.其中蕨类植物16科22属约60种;裸子植物5科9属9种;被子植物95科321属约1000种.其区系成分主要以北温带分布和东亚分布为主。The Hei Zhu Ravine,which is situated in Yi autonomous county in Ebian,Sichuan province,has complex topography and special climate,so this district is rich in species and ancient in flora.This area has abundant vascular plants which in dud altogether 116 family 352 genera,1100 species.There are pteridophyte,16 family 22 genera 60 speces;gymnosperm,5 family 9 genera,9 species;angiosperm 95 family 321 genera about looo species. The flora of this district is mainly consisted of northern temperate,eastern Asia composition,pantropical flora and cosmopolitan.This area′s plant constituents have some characters:1.being rich in northern temperate and eastern Asia plants;2.being ancient in derivation and having more relic species;3.indigenous or endemic species are abundant;4.the areal types are complete.
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:3.133.88.249