长江流域资源与环境 >> 2011, Vol. 20 >> Issue (11): 1341-.

• 自然资源 • 上一篇    下一篇

南岳自然保护区藤本植物多样性

夏江林| 旷建军| 彭珍宝| 夏淋淋| 胡春辉| 王国平| 唐德清   

  1. (湖南省南岳树木园|湖南 衡阳 421900)
  • 出版日期:2011-11-22

STUDY ON VINE DIVERSITY IN NANYUE NATURE RESERVE OF HUNAN

XIA Jianglin, KUANG Jianjun, PENG Zhenbao, XIA Linlin, HU Chunhui, WANG Guoping| TANG Deqing   

  1. (Nanyue Arboretum of Hunan Province,Hengyang 421900,China)
  • Online:2011-11-22

摘要:

为了弄清南岳自然保护区内藤本植物资源现状,对该区内藤本植物进行了多样性调查研究。结果表明:野生藤本植物共计59科129属282种(含变种),其中蕨类植物有3科5属6种,双子叶植物有50科112属250种,单子叶植物有6科12属26种,裸子植物缺乏。该区地理成分复杂多样,科级地理成分有8个分布型,属级地理成分有12个分布型,种级地理成分有11个分布型,均以热带成分为主,温带成分占有较大比例,说明该区热带成分向温带渗透和过度的性质。藤本植物的生活型,以木质藤本占优势,为6064%,草质藤本占39.36%,一年生藤本占1441%。藤本植物的攀援类型分为4型9亚型,以缠绕类为主,占37〖JP2〗94%;其次为吸固类,占2305%,又可分为不定根类、吸盘类和寄生类3亚型;卷曲类占2093%,又可分为须卷类、柄卷类和枝卷类3亚型;刺蔓类最少占1809%,又可分为枝蔓类和钩刺类2亚型。该区藤本植物资源丰富,在垂直绿化与经济开发上具有十分广阔的前景

Abstract:

The investigation on the vine diversity of Nanyue Nature Reserve of Hunan was presented in this paper. Results show: there are 282 species (including varieties) belonging to 129 genera of 59 families in Nanyue Nature Reserve, of which 6 species belonging to 5 genera of 3 families of ferns, 250 species of 112 genera in 50 families of dicotyledons, 26 species of 12 genera in 6 families of monocotyledon in this area. However, gymnosperm is absent from this area. The photogeographic elements which can be divided into 8 areatypes of family, 12 areatypes of genera and 11 areatypes of species are complex. They are the major tropical,and some temperate one,indicating the transition area of the tropic to the temperate one. Woody vine occupies 60.64% of the plant life forms; nevertheless, herb vine and annual vine take up 3936% and 14.41%, respectively. Climbing types can be divided into 4 types of 9 subtypes, of which the twining type is the majority and occupies 37.94%. The adhering type occupies 23.05% and can be divided 3 subtypes: the adventitious root adhering, adhesive adhering and paraste. The curling type occupies 20.93% being divided into 3 subtypes: the tendril curling, petiol curling and branch curling. The thorn creepen occupies 18.09% being divided into 2 subtypes of shoot creeper and hook thorn

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