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首页> 外文期刊>Forest Research Papers >A profile of lichen diversity down the trunk of common ash (Fraxinus excelsior) highlights its importance in maintaining lichen species diversity in the Oleszno reserve (Przedborski Landscape Park)
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A profile of lichen diversity down the trunk of common ash (Fraxinus excelsior) highlights its importance in maintaining lichen species diversity in the Oleszno reserve (Przedborski Landscape Park)

机译：普通灰（Fraxinus excelsior）树干下的地衣多样性的概况突显了其在保持Oleszno保护区（Przedborski Landscape Park）地衣物种多样性中的重要性

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A lichenological study was carried out in the Oleszno reserve and in its surroundings on Fraxinus excelsiortrees uprooted by the wind. They have created the opportunity to examine biota over its entire length, especially in thecrown. The main aim of this work was to present the diversity of epiphytic lichen species occurring on the bark ofFraxinus excelsior. Lichen species were censured at three different heights on the trunk: 0-50 cm and 50-200 cm fromthe ground, and in the crown. The study identified the remaining available habitats and substrates for lichens, findingthat there were 133 species of lichens, of which 109 occurred on the bark of Fraxinus excelsior. Most epiphytes werefound in the crown of trees (66 species), and the fewest at the base of the trunk (52 species). Foliose and fruticoselichens were more common in the crown of trees than on the trunk or base. The crown of Fraxinus excelsior was notablein having the highest proportion of exclusive species. 87% of species of lichens found on the bark of the trees arethreatened and some of them are recorded only in the study area. 26 species of lichens are under the strict and partialprotection. The cracked bark of old Fraxinus excelsior specimens is the place where many rare and stenotopic lichenspecies in Poland occur. It plays a significant role in preserving the rich and valuable epiphytic lichen biota.
机译：在Oleszno保护区及其周围地区因风连根拔起的Fraxinus excelsiortrees上进行了地衣学研究。他们创造了机会检查整个生物群，特别是在冠群中。这项工作的主要目的是介绍发生在优良水曲柳树皮上的附生地衣物种的多样性。在树干的三个不同高度处对地衣物种进行了检查：离地面0-50厘米和50-200厘米，以及树冠。该研究确定了地衣的剩余可用生境和底物，发现地衣有133种，其中109种发生在优质白蜡树的树皮上。多数附生植物在树冠中发现（66种），而在树干基部最少（52种）。叶冠和果糖在树冠中比在树干或基部更常见。极好的水曲柳的树冠值得注意，其中排他物种的比例最高。威胁在树皮上发现的地衣物种的87％，其中一些仅在研究区域记录。 26种地衣受到严格和部分保护。旧的水曲柳优良标本的破裂树皮是波兰许多稀有和狭窄的地衣物种发生的地方。它在保护丰富而有价值的附生地衣生物区系中发挥着重要作用。

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