摘要
通过调查统计，对广州城市行道树的区系成分和地理分布进行了分析。结果表明，广州城市行道树共123种，隶属45科，89属；其植物区系成分以热带的属和种占绝对优势；其与罗浮山森林乔木植物区系有一定的联系，它们的科、属、种相似系数分别为53％、26％和13％。指出了广州城市行道树目前存在优势种过于突出的问题，认为应增加其物种的多样性。
Florishc compeihon and gootwical distribution of roadside bees in Guangzhou City are stUdied. Theresult showes that there are 45 families, 89 genra and 123 species in medside trees 0f the city. The tropicalgenera and species are doninant in floristic composition . There are some relations between the flora of theroadside trees in Guwtou City and that of the forest on Inofushan Mountain, and the sndlaIty coofficientsof drily, genus and species are respechvely 53%, 26% and 13% . At pment, the drin Pwhlem of roadsidetrees in Guanghou City is that the rmt hees are of a few species. It is suggsted that species divisity shouldbe incmeed.
出处
《热带地理》
北大核心
1998年第2期177-181,共5页
Tropical Geography
基金
国家自然科学基金
