ECOLOGICAL FEATURES AND SYNANTHROPIZATION OF BRYOFLORA IN THE POHULYANKA FOREST PARK (LVIV CITY, UKRAINE)

Q4 Environmental Science Contributii Botanice Pub Date : 2021-01-01 DOI:10.24193/CONTRIB.BOT.55.5
Z. Mamchur, Y. Drach, H. Antonyak
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引用次数: 3

Abstract

This paper analyses ecological features of bryophyte species from the territory of the Pohulyanka Forest Park in the city of Lviv, Ukraine. A total of 141 species of bryoflora were analyzed (70 recorded for the first time). In the spectrum of life forms (LF), species with the following LF prevailed in the study area: turf (61 species, 43.3%), mat (48 species, 34%). Turf, the most common life form, was detected on all types of substrates, but was most frequently found on the soil (33 species, 23.4%) and stony substrates (13 species, 9.2%). Analysis of herbarium specimens (herbariums of Ivan Franko National University of Lviv, National Museum of Natural History of the National Academy of Sciences of Ukraine, and the Institute of Ecology of the Carpathians of the National Academy of Sciences of Ukraine) and the results obtained with respect to the composition of the bryoflora suggest that since the mid-19th century, due to anthropogenic transformation of the study area, most species with LF weft (10 out of 15 species, or 66.7%) have disappeared, while the number of species with LF rough mat on the soil has increased. The apophytic fraction of bryoflora in the study area consists of 121 species (85.8%) belonging to 28 families and 66 genera, including four species in the division Marchantiophyta. In the composition of bryophyte flora, 67 species of eventapophytes were identified (47.5% of the total number of species). Dominant families are Brachytheciaceae, Mniaceae, Pottiaceae, Plagiotheciaceae, Orthotrichaceae, Polytrichaceae. Hemiapophytes comprised 24.1% (i.e. 34 species) of the total number of species. The largest number of hemiapophytes was found in the families Pottiaceae, Bryaceae, Amblystegiaceae and Orthotrichaceae. Among the spontaneophytes (20 species, 14.2%), the families Hypnaceae, Mniaceae and Polytrichaceae prevailed. Indigenophytes amounted to 20 species (14.2%). With regard to the relationship of bryophytes to light, the following groups were identified in the study area: ultraheliophytes, heliophytes, subheliophytes, hemisciophytes and sciophytes. The highest number of species was represented by subheliophytes and hemiscyophytes. Certain patterns were found in the ratio of sun-demanding species in groups of apophytes. Among the hydromorphs, the following groups were identified: ultraxerophytes (found only among hemiapophytes); xerophytes (prevailing in the group of hemiapophytes, but also found among eventapophytes); xeromesophytes, mesophytes, hygromesophytes and hygrophytes (represented in all anthropotolerant groups); hydrophytes (event- and spontan/indigenophytes).
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波胡扬卡森林公园苔藓植物的生态特征及其共生
本文分析了乌克兰利沃夫市Pohulyanka森林公园内苔藓植物的生态特征。共分析了141种苔藓植物区系(其中70种为首次记录)。在生命形式谱(LF)中,具有以下LF的物种在研究区域占主导地位:草皮(61种,43.3%)、垫子(48种,34%)。草皮是最常见的生命形式,在所有类型的基质上都能检测到,但最常见于土壤(33种,23.4%)和石质基质(13种,9.2%)关于苔藓植物区系的组成,表明自19世纪中期以来,由于研究区的人为转变,大多数具有LF纬的物种(15种中有10种,占66.7%)已经消失,而土壤上具有LF粗垫的物种数量增加。研究区苔藓植物区系共有66属28科121种(85.8%),其中3个属4种。在苔藓植物区系组成中,共鉴定出事件质植物67种,占总种数的47.5%。优势科有短臂古猿科、Mniaceae、Pottiaceae、Plaiotheciaceae、Orthotriceae、Polytriceae。半质植物占物种总数的24.1%(即34种)。在Pottiaceae、Bryceae、Amblystegiaceae和Orthotriceae科中发现了数量最多的半质植物。在自发性植物中(20种,14.2%),主要为菊科、冬青科和千屈菜科。就苔藓植物与光的关系而言,研究区确定了以下类群:超日光植物、日光植物、亚日光植物、半接生植物和接生植物。物种数量最多的是亚草本植物和半草本植物。在吊质植物群中,需要阳光的物种比例存在一定的模式。在水成形体中,鉴定出以下类群:超旱生植物(仅在半质植物中发现);旱生植物(在半质植物群中普遍存在,但也见于事件质植物中);旱生植物、中生植物、湿生植物和湿生植物(代表所有人类耐受群体);水生植物(事件植物和海绵植物/本地植物)。
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Contributii Botanice
Contributii Botanice Environmental Science-Ecology
CiteScore
0.70
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0
期刊介绍: Contributii Botanice is an international, peer-reviewed journal publishing scientifically sound papers in the fields of Plant Systematics, Phytosociology, Plant Physiology and Morphology, Plant Ecology, Population Ecology, Ecosystem Ecology, Phytogeography, Phytopathology, Microbiology, Paleobotany, Plant Conservation and Cell/Molecular Plant Biology. Papers of mostly taxonomic nature or focussed on floristics and phytosociology will only be considered if they exceed the pure descriptive approach and have relevance interpreting patterns in the above mentioned plant sciences.
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