湖北大崎山自然保护区种子植物区系分布  

Distribution of Spermatophyte Flora in Daqi Mountain Nature Reserve of Hubei Province

作　　者：雷正玉[1] 蔡京勇[1] 白涛[1] 江建国[1] 王少明[1] 

机构地区：[1]湖北生态工程职业技术学院,武汉430200

出　　处：《湖北农业科学》2013年第6期1304-1308,1311,共6页Hubei Agricultural Sciences

基　　金：湖北省林业科技攻关项目

摘　　要：通过野外调查和标本采集,在进行植物系统调查的基础上,对湖北省大崎山自然保护区植物区系基本组成和科、属地理成分进行了分析,并与邻近山地植物区系进行了R/T的比较。经鉴定保护区内有种子植物140科534属1 035种,其中,裸子植物5科8属10种,被子植物135科526属1 025种。区系分析表明,该区植物区系复杂,具有15种分布类型,且植物区系起源古老,温带性质明显,热带成分丰富,与华东植物区系联系密切。A basic ingredient analysis of flora and geographic elements of plant genera and families in Daqi Mountain Nature Reserve was conducted through the field survey and specimen collection,based on the system investigation of plant flora,and an R/T comparison between the flora in Daqi Mountain and adjacent mountain floras was made.Plant taxonomy identification indicated that spermatophytes in the nature reserve contained 1 035 species of 534 genera,falling in 140 families,of which 10 gymnosperm species of 8 genera fall in 5 families,while 1 025 angiosperm species of 526 genera in 135 families.The analysis of flora demonstrated that the region harboured 15 flora distribution types,with high complexity,paleo-flora origin,distinct trait of temperate zone,abundant ingredient of tropical zone,and close connection with the flora of East China.

关 键 词：种子植物 植物区系 地理成分 湖北大崎山自然保护区 

分 类 号：S[农业科学]