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中文摘要：
于1990～2005年对大巴山进行了野外考察,并对所采集的蕨类植物标本进行鉴定及资料统计分析.结果表明,大巴山具有蕨类植物34科76属247种（包含变种和变型）.鳞毛蕨科、水龙骨科和蹄盖蕨科为大巴山蕨类植物区系中占优势的3大科,共有113种,占总种数的45.75%.属的地理成分以热带、亚热带类型为主,约占总属数的65.62%,温带类型占34.38%.在种的水平上,热带、亚热带成分仅占总种数的10.29%,温带成分处于优势地位,为89.71%.在温带成分中,东亚成分与中国特有成分显著,共占总种数的84.36%,表明大巴山应属于中国-日本蕨类植物亚区.
英文摘要：
In 199042005, a field survey of Dabashan Mountain was conducted, the specimen of pteridophytes collected in the survey were identified and the data about the specimen were statistically analyzed. It was shown that there are 247 species （including varieties and forms）,76 genera and 34 families of pteridophytes in Dabashan Mountain. Dryopteridaceae,Polypodiaceae and Athyriaceae are the three dominant families in Dabashan Mountain,containing 113 species,which account for 45.75% of the total of the species in the mountain. The geographical elements of the genera are mainly composed of tropical and subtropical types, which cover 65.62 % of the total of the genera in the mountain, and the temperate types of the genera cover 34.38%of the total. On species level,the tropical and sublropical elements only occupy 10.29%of the total of the species in the mountain and the temperate elements are in a dominant position accounting for 89.71%of the total. Of the temperate elements,East Asia elements and China endemic elements significantly dominate accounting for 84.36%of the total of the species in the mountain,which indicates that Dabashan Mountain belong to China-Japan Sub-zone of pteridophytes.
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