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乌岩岭国家级自然保护区种子植物区系的特征分析 被引量:16

Analysis the Floristic Character of Seed Plants in Wuyanling National Nature Reserve from Zhejiang Province
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摘要 乌岩岭国家级自然保护区地处亚热带,气候温暖湿润。该地区植物种类丰富,共有野生种子植物134科、578属、1197种;根据地史资料和自然条件,通过对种子植物种类的组成和分布区类型的分析,认为该区系起源古老,区系成分复杂;珍稀特有植物多,如南方红豆杉、钟萼木、香果树、福建柏、榧树、闽楠、花榈木等大量古老树种,并且绝大多数具有重要的经济价值和科研价值;区内578属可分为14个类型,热带和温带分布的属分别占48.6%和49.2%(不包括世界分布类型),具较明显的南北过渡的现象,与世界各地有广泛的联系。这些区系特征与本区古老的地质和优越的水热条件密切相关。 Wuyanling National Nature Reserve lies in the central subtropics. Its climate is warm and moist. One hundred and thirty four families,578 genera and 1197 species are recorded in this area. According to the information of historical geology and natural conditions, the composition of seed plant flora and the areal-types of genera were analyzed. The results showed that its origin was rather ancient and its geographical compositions were complicated. There were many species of rare and endangered plants, e. g. Taxus chinensis var. mairei , Bretschneidera sinensis , Emmenopterys henryi , Fokienia hodginsii , Torreya grandis ,Phoebe bournei, Ormosia henryi,and so on. Most of these plants had high value in economics and scientific research. According to statistics and analysis of genera in the present flora,578 genera were divided into 14 areal-types. The ratio of tropical and temperate genera was respectively 48.6% and 49.2% ,so its flora was characterized by transitional floristic elements, and in wide connection with the world. It was nearly correlative with the ancient geologic structure and ascendant natural condition here.
出处 《武汉植物学研究》 CSCD 北大核心 2009年第3期290-296,共7页 Journal of Wuhan Botanical Research
关键词 种子植物区系 分布区类型 乌岩岭自然保护区 浙江泰顺 Seed plant flora The areal-types Wuyanling National Nature Reserve Taishun, Zhejiang
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