Publication details

Urban ornamental trees: a source of current invaders; a case study from a European City

Authors

ČEPLOVÁ Natálie LOSOSOVÁ Zdeňka KALUSOVÁ Veronika

Year of publication 2017
Type Article in Periodical
Magazine / Source Urban Ecosystems
MU Faculty or unit

Faculty of Science

Citation
Web https://link.springer.com/content/pdf/10.1007%2Fs11252-017-0665-2.pdf
Doi http://dx.doi.org/10.1007/s11252-017-0665-2
Field Botany
Keywords Archaeophytes; Europe; Invasive biology; Native species; Neophytes; Propagule pressure
Description Human made habitats are considered to be important hotspots of biodiversity of native as well as alien plant species. Due to high propagule pressure caused by human activities they serve as a source of introduction of alien plant species. We used the database of planted ornamental trees and shrubs for Brno, Czech Republic, to determine the significance of introduction effort given by intensity of planting as a factor in woody plant naturalization. Of all planted woody taxa, 15% were recognized as spontaneously growing in the urban area and there was a significant relationship between the number of planted individuals and the ability of a species to spontaneously occur in the urban area. The most often spontaneously escaping species originated in Europe (55%), followed by neophytes from North America (21%) and Central and Eastern Asia (14%). Although only a minor portion of planted woody species is able to escape from cultivation, this still could represent a potential risk for the native vegetation.
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