2024年5月22日 星期三
广州市风水林植物组成及分布区类型分析
Analyses on species composition and areal-type of “ Fengshui woods”in Guangzhou City
2013年 第22卷 第1期 页码[102-109]    下载全文[0.8MB]  
摘要

在野外实地调查及查阅标本和相关资料的基础上,对广州市12 个行政区的风水林分布数量以及植物组成和分布区类型进行了分析。结果表明:广州市共有162 座风水林,其中,阳宅风水林有153 座,数量最多(占风水林总数的94. 44%);在12 个行政区域中,从化市的风水林数量最多(78 座)。广州市风水林共有野生维管植物140 科397 属732 种(变种),包含蕨类植物18 科30 属55 种(变种)、裸子植物3 科3 属4 种、被子植物119 科364 属673种(变种);其中22 种为广州新记录植物。广州市风水林种子植物的分布区类型以热带成分为主,同时在一定程度上也受到温带成分的影响,其中热带分布型科、属和种的数量分别为70 科、289 属和304 种,温带分布型科、属和种的数量分别为17 科、41 属和2 种;虽然中国特有分布型属仅2 属,但在种水平上特有现象明显,中国特有种207种,其中华南特有分布型70 种,分别占广州市风水林种子植物总种数的31. 11% 和10. 51%。另外,广州市风水林共包含国家重点保护植物8 种。根据调查结果,提出了广州市风水林的保育对策。

Abstract

Based on field investigation and consulting of specimens and related data, the distribution amount, species composition and areal-type of “Fengshui woods”in 12 districts of Guangzhou City were analyzed. The results show that there are 162 “Fengshui woods”in Guangzhou City, in which, there are 153 “Yangzhai Fengshui woods”, their number is the most (accounting for 94. 44% of total number of “Fengshui woods”); Among 12 districts, the number of “Fengshui woods”in Conghua City is the most (78). There are 732 species (including varieties) of wild vascular plants belonging to 397 genera in 140 families, including 55 species ( including varieties) of pteridophyte belonging to 30 genera in 18 families, 4 species of gymnosperm belonging to 3 genera in 3 families and 673 species ( including varieties) of angiosperm belonging to 364 genera in 119 families; in which, there are 22 species as new records in Guangzhou City. The seed plant areal-type of “Fengshui woods”in Guangzhou City is mainly tropical element and also is affected by temperate element in a certain degree, in which, numbers of family, genus and species of the tropical type is 70 families, 289 genera and 304 species, respectively, and those of the temperate type is 17 families, 41 genera and 2 species, respectively. Although, there are only 2 genera of endemic type in China, but the endemism is notable in species level, there are 207 endemic species in China in which 70 species are the endemic to South China, accounting for 31. 11% and 10. 51% of total species number of seed plant of “Fengshui woods”in Guangzhou City, respectively. In addition, there are 8 species of the national key protected plants. According to the investigation results, conservation policies of “Fengshui woods”in Guangzhou City are put forward.

关键词风水林; 广州市; 种子植物; 分布区类型; 特有种; 热带成分
Key words“Fengshui woods”; Guangzhou City; seed plant; areal-type; endemic species; tropical element
作者李仕裕1,2, 叶育石1, 王发国1, 曾飞燕1, 徐正春3
所在单位1. 中国科学院华南植物园, 广东广州510650;
2. 中国科学院大学, 北京100049;
3. 华南农业大学林学院, 广东广州510642
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基金项目广州市林业局“广州地区自然保护小区乡村风水林现状及地带性植被恢复研究项目” (PSGZ20941027D04B24); 广州市科技计划项目(2012J2200060); 珍稀名贵树种种质资源库建设与繁育示范研究(OTC1018212)