<abstract xmlns="http://www.w3.org/1999/xhtml">

<p><italic>Grindelia squarrosa</italic> (Pursh) Dunal. (Asteraceae) is a species with high invasiveness capacity in Ukraine, especially in the Steppe zone. The first data on the finding of escaped plants in Europe were recorded in the 40’s of the last century. There were three naturalization centres in Ukraine, from where the species began to spread. In the secondary range in Ukraine, <italic>G. squarrosa</italic> is characterized by high levels of seed productivity and germination, variable modes of dispersal, wide ecological and coenotic amplitudes and CSR-strategy. The trend continues with the spread of the species in western, north-western and northern directions, and today more than 300 localities confirming this trend are already known. In the past 20 years, 92 new localities have been recorded. <italic>G. squarrosa</italic> is a transformer, widespread in the southern regions of the Steppe zone. As a result, new plant communities are formed. In general, this species is recorded in communities of five vegetation classes. In terms of ecological indicators, the optimum of the species is in the Steppe zone. It can be predicted that, due to the potential ability of the species to adapt and under the influence of climatic change, there is a higher probability that the species will spread in the future in northern and western directions. The condition for such an expansion is disturbance of meadow-steppe fringe xeromesic communities, with decreased coenotic competition.</p>
</abstract>

Grindelia squarrosa (Pursh) Dunal. (Asteraceae) is a species with high invasiveness capacity in Ukraine, especially in the Steppe zone. The first data on the finding of escaped plants in Europe were recorded in the 40’s of the last century. There were three naturalization centres in Ukraine, from where the species began to spread. In the secondary range in Ukraine, G. squarrosa is characterized by high levels of seed productivity and germination, variable modes of dispersal, wide ecological and coenotic amplitudes and CSR-strategy. The trend continues with the spread of the species in western, north-western and northern directions, and today more than 300 localities confirming this trend are already known. In the past 20 years, 92 new localities have been recorded. G. squarrosa is a transformer, widespread in the southern regions of the Steppe zone. As a result, new plant communities are formed. In general, this species is recorded in communities of five vegetation classes. In terms of ecological indicators, the optimum of the species is in the Steppe zone. It can be predicted that, due to the potential ability of the species to adapt and under the influence of climatic change, there is a higher probability that the species will spread in the future in northern and western directions. The condition for such an expansion is disturbance of meadow-steppe fringe xeromesic communities, with decreased coenotic competition.

<italic>Grindelia squarrosa</italic> in Ukraine: current distribution and ecological and coenotic peculiarities

Hacquetia

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

 in Ukraine: current distribution and ecological and coenotic peculiarities

Grindelia squarrosa (Pursh) Dunal. (Asteraceae) is a species with high invasiveness capacity in Ukraine, especially in the Steppe zone. The first data on the...

Grindelia squarrosa in Ukraine: current distribution and ecological and coenotic peculiarities

Publié en ligne: 08 juil. 2021

Pages: 263 - 272

Reçu: 15 sept. 2020

Accepté: 15 avr. 2021

DOI: https://doi.org/10.2478/hacq-2021-0014

Mots clés
introduction, invasive species, natural habitat, naturalization

© 2021 Vira V. Protopopova et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Grindelia squarrosa in Ukraine: current distribution and ecological and coenotic peculiarities

Publié en ligne: 08 juil. 2021

Pages: 263 - 272

Reçu: 15 sept. 2020

Accepté: 15 avr. 2021

DOI: https://doi.org/10.2478/hacq-2021-0014

Mots clésintroduction, invasive species, natural habitat, naturalization

© 2021 Vira V. Protopopova et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Mots clés
introduction, invasive species, natural habitat, naturalization