Ruderal vegetation (Ruderalophyton) of transformed habitats of the Rostov-on-Don urban ecosystem, Russia

S. A. Litvinskaya, S. N. Gorbov, Yu. V. Dzigunova
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Abstract

Aim . To investigate the features of the abiotic (soils) and biotic (flora and vegetation) components of ruderal communities (Ruderalophyton) of the urban ecosystem in the conditions of the Rostov agglomeration. Material and Methods . The morphoecological analysis of the flora (144 species of vascular plants) was shown. Data were obtained of the characteristic growth features of roadside communities of the Southern Federal University Botanical Garden (floristic diversity of 53 species) and of ruderal communities of new residential building plots in the peripheral part of the city and abandoned houses in the central part of the city. Results . Abiotic conditions for the habitats of ruderal plants are no longer natural because the local Chernozem root‐inhabited and humusaccumulative surface horizons have been almost completely stripped away. At the same time, cenotically the communities are multicomponent and floristically saturated with high projective coverage. During the process of anthropogenic vegetation evolution, a new type of cenosis has formed, which is adapted in ecological succession processes to all components of the urban ecosystem. Conclusion . The ruderal vegetation of the Rostov agglomeration is particularly resistant. It develops urban horizons, which are characterized by a high proportion of anthropogenic inclusions; household, and industrial waste, which is often contaminated with organic and inorganic pollutants. Plant communities developing on such substrates are multicomponent, floristically saturated and have formed a high degree of projective cover.
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俄罗斯顿河畔罗斯托夫城市生态系统转变栖息地的原始植被
的目标。研究罗斯托夫集聚区城市生态系统中原生植物群落(Ruderalophyton)的非生物(土壤)和生物(植物和植被)组成特征。材料和方法。对144种维管植物的区系进行了形态生态学分析。获得了南部联邦大学植物园路边群落(53种植物多样性)、城市外围新建居民楼地块和城市中心废弃房屋的乡村群落的生长特征数据。结果。原生植物栖息地的非生物条件不再是自然的,因为当地的黑钙土根系和腐殖层几乎完全被剥夺了。同时,群落在地理上是多组分的,植物区系饱和,投影盖度高。在人为植被演化过程中,形成了一种新的植被类型,它在生态演替过程中适应了城市生态系统的各个组成部分。结论。罗斯托夫地区的原始植被特别具有抵抗力。它发展了城市地平线,其特征是高比例的人为包裹体;经常被有机和无机污染物污染的家庭和工业废物。在这些基质上发育的植物群落是多组分的,植物区系饱和的,并形成了高度的投影覆盖。
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来源期刊
CiteScore
0.80
自引率
50.00%
发文量
73
审稿时长
8 weeks
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