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首页> 外文期刊>Nova Hedwigia: Zeitschrift fur Kryptogamenkunde >Ecology and life strategies of epiphytic bryophyte communities from the Arcto-Tertiary relict forests of the Black and Caspian Sea areas
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Ecology and life strategies of epiphytic bryophyte communities from the Arcto-Tertiary relict forests of the Black and Caspian Sea areas

机译：黑海和里海海域第三系至第三系遗迹森林附生苔藓植物群落的生态和生活策略

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摘要

The Euxine-Caucasian-Hyrcanian floristic region is an outstanding forest refuge area, formerly densely covered by broad-leaved deciduous and mixed evergreen lowland and montane forests. Besides numerous relict species of Arcto-Tertiary and Indo-Malesian origin, a lush and dense epiphytic bryophyte flora can be observed, whose development is favoured by the humid to perhumid climate conditions. A first phytosociological analysis of this epiphytic bryophyte vegetation reveals two distinct zonal communities new to science, viz. the Palamocladio euchloronis-Leucodontetum immersi (lowland forests) and the Pseudoleskeello nervosae-Leucodontetum immersi (mountain forests), both harbouring Southwest Asian endemics, such as Forsstroemia remotifolia, Leucodon immersus and Palamocladium euchloron. Dependent on the site ecology, species assemblages and geographical range, one subassociation and a geographical variant can be further distinguished within the Palamocladio euchloronis-Leucodontetum immersi, while the more uniform Pseudoleskeello nervosae-Leucodontetum immersi comprises a geographical variant and an ecological variant, only. A life form and life strategy analysis of the communities confirms the common adaptive trends outlined for epiphytic bryophytes already in earlier studies.
机译：欧辛-高加索-希拉肯人植物区系是一个杰出的森林避难区，以前被阔叶落叶和常绿低地和山地森林混交。除了Arcto-Tertiary和Indo-Malesian起源的众多遗迹物种之外，还可以观察到茂密而密集的附生苔藓植物区系，其生长受到湿润至全湿气候条件的促进。对这种附生苔藓植物的植物进行的首次植物社会学分析揭示了两个新的科学独特的地带群落。 eupalnis euchloronis-Leucodontetum immersi（低地森林）和Pseudoleskeello nervosae-Leucodontetum immersi（山地森林），都藏有西南亚地方病，例如re脚Forsstroemia remotifolia，Leucodon immersus和Palamocladium euchloron。根据地点的生态，物种组合和地理范围，可以进一步区分一个亚属和一个地理变种，而在拟南芥-拟南芥-拟南芥中，更均匀的拟南芥-拟南芥-拟南芥仅包含地理变体和生态变体。社区的生命形式和生命策略分析证实了早先研究中已针对附生苔藓植物概述的常见适应性趋势。

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