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引用本文:黄 梅, 李美君, 黄 红, 张金权, 白新祥.贵州省野生苦苣苔科物种多样性与地理分布[J].广西植物,2022,42(2):210-219.[点击复制]
HUANG Mei, LI Meijun, HUANG Hong, ZHANG Jinquan, BAI Xinxiang.Species diversity and geographic distribution of wild Gesneriaceae in Guizhou[J].Guihaia,2022,42(2):210-219.[点击复制]
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贵州省野生苦苣苔科物种多样性与地理分布
黄 梅, 李美君, 黄 红, 张金权, 白新祥*
贵州大学 林学院, 贵阳 550025
摘要:
该研究在建立贵州省野生苦苣苔科植物名录和地理分布数据库的基础上,对其物种多样性及地理分布格局进行研究。通过文献资料结合实地调查,从物种组成、特有性、水平分布、垂直分布和相似性等方面进行分析,并采用筛除算法确定贵州苦苣苔科植物分布的热点地区。结果表明:(1)贵州省苦苣苔科植物共计2族8亚族28属153种(含种下等级),分布在75个县级行政区,有128/45个中国/贵州特有种,垂直分布以900~1 300 m海拔段最为丰富。(2)通过计算省级相似性系数,发现贵州与广西的相似程度最高,最后筛选得到10个热点县,共代表了75%的苦苣苔科植物。(3)贵州省为典型的喀斯特高原山地,苦苣苔科植物种类丰富,尤其是广义马铃苣苔属、广义报春苣苔属、广义石山苣苔属和蛛毛苣苔属等,有着较高的物种多样性和区域特有性。该研究可以为贵州省苦苣苔科植物资源保护和持续利用提供理论参考。
关键词:  苦苣苔科, 贵州省, 相似性系数, 热点地区, 垂直分布, 水平分布
DOI:10.11931/guihaia.gxzw202008055
分类号:Q944
文章编号:1000-3142(2022)02-0210-10
基金项目:国家自然科学基金(31960328); 贵州省野生观赏植物资源调查(701256192201)[Supported by National Natural Science Foundation of China(31960328); Investigation of Wild Ornamental Plant Resources in Guizhou(701256192201)]。
Species diversity and geographic distribution of wild Gesneriaceae in Guizhou
HUANG Mei, LI Meijun, HUANG Hong, ZHANG Jinquan, BAI Xinxiang*
College of Forestry, Guizhou University, Guiyang 550025, China College of Forestry, Guizhou University, Guiyang 550025, China
Abstract:
In this study, the species diversity and geographical distribution pattern of wild Gesneriaceae in Guizhou Province were studied based on the establishment of a list and geographical distribution database of wild Gesneriaceae in Guizhou Province. The species composition, endemism, horizontal distribution, vertical distribution and similarity were analyzed, through the literature and a field investigation, and the hotspots of Gesneriaceae in Guizhou were determined by a complementary algorithm. The results are as follows:(1)There are 153 species(including subspecies)of Gesneriaceae in Guizhou Province, belonging to 2 tribes, 8 subtribes, and 28 genera. These plants are distributed among 75 county-level administrative districts. There are 128 species endemic to China and 45 endemic to Guizhou, and the vertical distribution is the most abundant at altitudes section of 900-1 300 m.(2)The calculation of the provincial similarity coefficient showed that Guizhou and Guangxi had the highest similarity. Finally, 10 hot spots were selected, representing 75% of the Gesneriaceae plants.(3)Guizhou Province is a typical karst plateau mountainous area that is rich in species of Gesneriaceae, especially Oreocharis, Primulina, Petrocodon and Paraboea, which have high species diversity and regional specificity. This study can provide a theoretical reference for the conservation and sustainable utilization of Gesneriaceae plant resources in Guizhou Province.
Key words:  Gesneriaceae, Guizhou Province, similarity coefficient, hot spots, vertical distribution, horizontal distribution
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