期刊论文

Fern Flora of Guanyindong Nature Reserve in Nanxiong,Shaoguan

中文

中国野生植物资源

1006-9690

2020

39

12

65-70

10.3969/j.issn.1006-9690.2020.12.013

国家林业局野生植物保护项目（2016ZWZY06）； 林业公益性行业科研专项（201404710）； 湖南省高等学校“双一流”建设项目资助（湘教通[2018]469号）；

本校为第一机构

通过野外调查及资料整理,对韶关南雄市观音岽自然保护区蕨类植物种类组成、区系分布特征进行研究,并与周边相邻3个研究区的蕨类植物区系进行比较分析.结果表明:(1)观音岽自然保护区共统计到蕨类植物28科49属93种,优势科为水龙骨科、鳞毛蕨科、凤尾蕨科、金星蕨科,单种科9个,单种属26个;该区蕨类植物起源古老,进化关系连贯;优势科属明显,分化水平不高,以寡种科属居多.(2)该区蕨类生态类型多样,土生蕨类62种、附生蕨类28种、水生蕨类3种,分别占总种数的66.66％、30.11％、3.23％.(3)该区蕨类植物热带分布种类占绝对优势,热带种类分布科、属、种分别占除世界分布类型外总科、属、种的84.21％、83.7...

Through field investigation and data compilation,we analyzed the flora composition and distribution types of Guanyindong Nature Reserve in Nanxiong,Shaoguan,and the similarities among three neighboring study areas.The results showed that:(1)There were 93 species of pteridophytes belonging to 49 genus and 28 families in Guanyindong Nature Reserve.The dominant families were Polypodiaceae,Dryopteridaceae,Pteridaceae,and Thelypteridaceae.There were 9 monotypic families and 26 monotypic genus.The origin of the flora in this area could be traced back to ancient time and the evolutionary relationship...