Autor(i)/Author(s): Ewa M. Zaraś-Januszkiewicz, Edyta Rosłon-Szeryńska, Barbara Żarska, Beata Fornal-Pieniak
Názov/Title: The Changes of Phenological Phases on the Example of Selected Invasive Species of Trees
Zdrojový dokument/Source: Plants in Urban Areas and Landscape :: PUAL
Typ dokumentu/Document Type: Scientific paper
ISSN: 2585-9811
ISBN: 978-80-552-2164-9
DOI: https://doi.org/10.15414/PUAL/2020.86-92
Vydavateľ/Publisher: Slovak University of Agriculture in Nitra
Rok, strany/PY, pages: 2020, 86-92
Publikované online/Published on-line: 2020-04-17
Jazyk/Language: eng
Abstract: The Changes of Phenological Phases on the Example of Selected Invasive Species of Trees ’New‘ species of trees are sought for cities. These species must cope with difficult urban
conditions. Unfortunately, it happens that such new plants well-feeling in the city, they begin to grow uncontrollably. These species of plants desired change in invasive plants and displacement of other plant
species from urban spaces and substantially affect the rate of biodiversity loss. There is also the possibility of passing such invasive plants from the cities of natural spaces (e.g. Acer negundo L. and Robinia pseudoacacia L.).
Ailanthus altissima (Mill.) Swingle is such a new and potentially dangerous species. It is typically a thermophilic species, because in many Polish cities it occurs in more and more areas. Ailanthus is one of the dominant
trees in urban centres, such as Wroclaw. Ailanthus altissima (Mill.) Swingle, Caragana arborescens Lam., Syringa vulgaris L., Acer negundo L., Gleditsia triacanthos L. and other species may also appear in
unusual places for its ecological optimum in the example of Warsaw. Ailanthus is a species of thermophiles and therefore urban conditions (a heat island effect) favour the development of trees and increase
its population. Nevertheless, several-years locations of Ailathus outside the city are recorded, too. As an example of such a position serve urban forests in the northern border of the city. The observations were
carried out from 2000 to 2018. Such a location of plants may be indicative of an adaptation to climatic conditions and a possibility of transition to natural plant formations. The simplified phenological observations
are the main research tools. They allow you to conclude that plants growing in the central parts of the city have a long vegetation and stronger growth. However, in the locations situated on the outskirts of the city
and in the urban forests, the growing period is shorter and plants often remain in the form of shrubs. These species belong to the thermophilic plants, but in just a few years, in the case of Ailanthus, and in a
slightly longer time, in the case of other species, plants have managed to adapt to the habitat conditions in the cooler areas outside the municipal buildings. The only modification is that the course of their
phenophases sometimes shortens the growing period to a few days.
Keywords: foreign species, invasive species, synantropisation, anthropological changes, urban forests
Práva/Rights: Creative Commons Attribution 4.0 Licence
Toto dielo je publikované pod/This work is licensed under a Creative Commons Attribution 4.0 International License.
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