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从见血封喉的分布看广东省热带与亚热带的界线划分
引用本文:马其侠,王发国,陈炳辉,丘华兴.从见血封喉的分布看广东省热带与亚热带的界线划分[J].热带亚热带植物学报,2004,12(1):7-12.
作者姓名:马其侠  王发国  陈炳辉  丘华兴
作者单位:中国科学院华南植物园,广东,广州,510650
基金项目:广东省林业局“广东省重点保护野生植物资源调查”项目(98168)
摘    要:广东省的热带与亚热带的分界线按不同的划分标准,大致已有4条分界线。见血封喉(Antiaris toxicaria)是一个典型的热带种类,它在广东的分布北限,一直被认为是广东热带的最北界限。根据最近在广东发现的见血封喉4个新分布点,通过分析见血封喉的生态学特性和地理分布特征,同时参考热带界线划分的标准与原则,讨论并尝试重新界定广东省的热带与亚热带分界线。

关 键 词:见血封喉  热带和亚热带分界线  广东
文章编号:1005-3395(2004)01-0007-06

The Demarcation between Tropics and Subtropics in Guangdong Judging from the Distribution of Antiaris toxicaria
MA Qi-xia WANG Fa-guo CHEN Bing-hui QIU Hua-xing.The Demarcation between Tropics and Subtropics in Guangdong Judging from the Distribution of Antiaris toxicaria[J].Journal of Tropical and Subtropical Botany,2004,12(1):7-12.
Authors:MA Qi-xia WANG Fa-guo CHEN Bing-hui QIU Hua-xing
Institution:MA Qi-xia WANG Fa-guo CHEN Bing-hui* QIU Hua-xing
Abstract:Demarcation line between tropics and subtropics in Guangdong Province h as been studied by manyscientists. This article demonstrates 4 demarcation lines that lie across Guangd ong, the northern most one lies on the line from Huaiji County to the east to Da pu County, whereas the southern most line goes from Lianjiang to Yangjiang. We e valuate the demarcation line by evidence of the distribution of typically tropic al species Antiaris toxicaria (Moraceae), and draw a new line that across from L uoding through Shenzhen to Huilai (at the south of Shantou). The ecology and geo graphical distribution of A. toxicaria in China are described. Suggestion of the new line will provide important significance for the development of agriculture and forestry in tropical and subtropical transition area in Guangdong.
Keywords:Antiaris toxicaria  Tropical and Subtropical demarcation line  Guangdo ng
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