文章题目奥力山德里亚树木公园表层苔藓植物区系的调查

36 Pub Date : 2021-08-25 DOI:10.26565/2075-5457-2021-36-3
L. Pleskach, V. Virchenko
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引用次数: 0

摘要

对位于乌克兰右岸森林草原东北部的Olexandria树木公园的表生苔藓植物进行了物种组成研究。该研究于2017-2019年进行。结果表明,共登记有1科7目2纲1科25属40种。分类学分析结果表明,以Hypnales(14种)、Pottiales(9种)和Bryales(9种)为代表。主要科为:壶科(9种)、腕足科(7种)、Bryaceae(5种)、Amblystegiaceae和mniniaceae(各4种)。种类最多的是Bryum属(5种)、Brachythecium属(4种)、Tortula属(4种)和Plagiomnium属(3种)。在已鉴定的分类群中,两种(Barbula onvoluta和Bryum rubens)在乌克兰森林草原地带是区域罕见的。在奥兰山洲历史区,最常见的表生苔藓植物为紫角角藻(Ceratodon purpureus)、oxyrhynchium hians、Hypnum cupressiforme、Atrichum undulatum和Bryum moravicum。在森林公园的西部,主要分布有波状斑胸草、褐花Bryum、oxyrhynchium hians、Hygroamblystegium,中部主要分布有褐花Bryum、Hypnum cupressiformme、Ceratodon purpureus,东部主要分布有taxifolius、viridulus和rutabulum。20种属专性附属物,占已鉴定类群的50%,其余20种属兼性附属物。2018年,在14号橡树园内发现了树endropark苔藓植物的新物种——蜉蝣(Ephemerum minutissimum)。它与杂交蟹、褐天牛、卷叶蛇尾、紫角龙、长爪龙和短爪龙一起生长在那里。这是乌克兰第二次记录到微小芽孢杆菌。表生苔藓种类最多的是中部地区(29个类群)。目前,该石斛公园历史区附生苔藓菌群占其总苔藓菌群的44%(90种)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Investigation of the flora of epigean bryobionta of the Olexandria Dendrological Park
Species composition of epigeic bryophytes of the Olexandria Dendrological Park, located in the northeast of the Right-Bank forest-steppe of Ukraine, was studied. The research was conducted in 2017–2019. As a result, 40 species of 25 genera, 14 families, 7 orders, 2 classes, and 1 division were registered. A taxonomic analysis showed that the orders Hypnales (14 species), Pottiales (9 species) and Bryales (9 species) are represented best. The main families were as follows: Pottiaceae (9 species), Brachytheciaceae (7 species), Bryaceae (5 species), Amblystegiaceae and Mniaceae (4 species each). The most speciose were the genera Bryum (5 species), Brachythecium (4 species), Tortula (4 species) and Plagiomnium (3 species). Among the identified taxa, two species, (Barbula сonvoluta and Bryum rubens) are regionally rare in the Forest-Steppe zone of Ukraine. In the historical part of Olexandria, five species Ceratodon purpureus, Oxyrrhynchium hians, Hypnum cupressiforme, Atrichum undulatum, and Bryum moravicum were the most common epigean bryophytes. In the western part of the Dendropark, the prevalent species were Atrichum undulatum, Bryum moravicum, Oxyrrhynchium hians, Hypnum cupressiforme, Brachytheciastrum velutinum, and Hygroamblystegium varium, in the central part – Bryum moravicum, Hypnum cupressiforme, Ceratodon purpureus, and in the eastern part – Fissidens taxifolius, Fissidens viridulus, and Brachythecium rutabulum. Twenty species (50 % of the identified taxa) were obligate epigees while the other 20 species belonged to the facultative epigees. In 2018, a new species to the Dendropark’s bryoflora, Ephemerum minutissimum, was found in an oakery (locality 14). It grew there together with Dicranella heteromalla, Bryum rubens, Barbula convoluta, Ceratodon purpureus, Tortula acaulon, and Weissia brachycarpa. This is the second record of E. minutissimum from Ukraine. The highest number of epigeic moss species was registered in the central part of Olexandria (29 taxa). At present, the epigeic bryoflora of the Dendropark’s historical part comprises 44 % of its whole bryoflora (90 species).
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