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Biodiversity of Orchidaceae of Qomolangma National Nature Reserve
Author(s): 
Pages: 1897-1902
Year: Issue:  9
Journal: Acta Botanica Boreali-Occidentalia Sinica

Keyword:  兰科植物生物多样性区系地理珠穆朗玛峰自然保护区;
Abstract: 在野外实地调查和室内标本整理以及查阅文献的基础上,对珠穆朗玛峰自然保护区兰科植物多样性进行了初步研究.结果表明:珠穆朗玛峰自然保护区有兰科植物35属63种,以陆生兰(42种)为主,附生兰(19种)和腐生兰(2种)也占有一定比例;属的地理成分可划分为10个类型和2个变型,以北温带分布型(33.3%)和热带亚洲分布型(21.2%)为主;种的地理成分可划分为5个类型和1个变型,以中国-喜马拉雅分布型(64.5%)为主;珠穆朗玛峰自然保护区兰科植物区系成分与南迦巴瓦峰地区联系最为密切,其次为九寨沟自然保护区和贡嘎山自然保护区,与秦岭地区和小黑山自然保护区有一定的联系.
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