Abstract
Abstract We present a comprehensive review of the plant invasions of 42 alien species and their impact on vegetation cover in Ukraine. Among these species, those currently posing the greatest threat to the environment have been identified. The structural features of this group were analyzed. In the life form spectrum the phanerophytes and therophytes are dominant, in the ecological spectrum the mesophytes are dominant, and kenophytes predominate at the time of immigration. Among the examined species, plants of North American origin predominate, agriophytes prevail by their degree of naturalization, and ergasiophytes are predominant by their way of entry. The participation of invasive species in natural and anthropogenic plant communities and biotopes was analyzed. These species are a stable component of grasses, scrub and forest habitats. Most of these invasive plants (33 species) are observed in anthropogenic habitats (I). Slightly fewer species of the studied group prefer habitat types E (25), F and G (22 each), although the largest invasions are observed exactly in these biotopes. Invasive species are characterized by eurytopicity. Four species have the greatest ecological plasticity, each of these is found in six types of habitats: Ailanthus altissima (B, F, G, I, J, H), Amaranthus retroflexus (C, E, F, G, I, J), Opuntia humifusa (B, E, F, G, H, I) and Xanthium albinum (B, C, E, F, G, I). Erigeron canadensis is found in five habitat types (C, E, F, G, I). The studied group is characterized by an insignificant regional specificity of the species composition, high invasive potential and stability of population reproduction.
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Claims 18
Claim · model-written summary
Phanerophytes and therophytes dominate the invasive plant life-form spectrum.
Verbatim
t0“Plant invasions”
e0“In the life form spectrum the phanerophytes and therophytes are dominant”
Claim · model-written summary
Mesophytes dominate the ecological spectrum of invasive plants.
Verbatim
t0“Plant invasions”
e0“in the ecological spectrum the mesophytes are dominant”
Claim · model-written summary
Kenophytes predominate by immigration time.
Verbatim
t0“Plant invasions”
e0“kenophytes predominate at the time of immigration”
Claim · model-written summary
North American origin predominates among examined invasive plants.
- Taxon
- plantsViridiplantaee0
- Outcome
- North American origine0
- Direction
- predominatee0
Verbatim
t0“Plant invasions”
e0“Among the examined species, plants of North American origin predominate”
Claim · model-written summary
Agriophytes prevail by degree of naturalization.
Verbatim
t0“Plant invasions”
e0“agriophytes prevail by their degree of naturalization”
Claim · model-written summary
Ergasiophytes predominate by entry route.
Verbatim
t0“Plant invasions”
e0“ergasiophytes are predominant by their way of entry”
Claim · model-written summary
Invasive species are stable components of grass, scrub and forest habitats.
Verbatim
t0“Plant invasions”
e0“These species are a stable component of grasses, scrub and forest habitats.”
Claim · model-written summary
Thirty-three invasive plant species occur in anthropogenic habitat I.
Verbatim
e0“Most of these invasive plants (33 species) are observed in anthropogenic habitats (I).”
Claim · model-written summary
Twenty-five studied invasive species prefer habitat type E.
Verbatim
t0“Plant invasions”
e0“Slightly fewer species of the studied group prefer habitat types E (25), F and G (22 each)”
Claim · model-written summary
Twenty-two studied invasive species prefer habitat type F.
Verbatim
t0“Plant invasions”
e0“Slightly fewer species of the studied group prefer habitat types E (25), F and G (22 each)”
Claim · model-written summary
Twenty-two studied invasive species prefer habitat type G.
Verbatim
t0“Plant invasions”
e0“Slightly fewer species of the studied group prefer habitat types E (25), F and G (22 each)”
Claim · model-written summary
The largest invasions occur in habitat types E, F and G.
Verbatim
t0“Plant invasions”
e0“the largest invasions are observed exactly in these biotopes”
Claim · model-written summary
Ailanthus altissima occurred in six habitat types.
- Taxon
- Ailanthus altissima
.jpg?width=60)
Ailanthus altissimuse0 - Outcome
- found in six types of habitatse0
- Value
- six types of habitatse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Four species have the greatest ecological plasticity, each of these is found in six types of habitats: Ailanthus altissima (B, F, G, I, J, H)”
Claim · model-written summary
Amaranthus retroflexus occurred in six habitat types.
- Taxon
- Amaranthus retroflexus
Amaranthus retroflexuse0 - Outcome
- found in six types of habitatse0
- Value
- six types of habitatse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Four species have the greatest ecological plasticity, each of these is found in six types of habitats: Ailanthus altissima (B, F, G, I, J, H), Amaranthus retroflexus (C, E, F, G, I, J)”
Claim · model-written summary
Opuntia humifusa occurred in six habitat types.
- Taxon
- Opuntia humifusa
Opuntia humifusae0 - Outcome
- found in six types of habitatse0
- Value
- six types of habitatse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Four species have the greatest ecological plasticity, each of these is found in six types of habitats: Ailanthus altissima (B, F, G, I, J, H), Amaranthus retroflexus (C, E, F, G, I, J), Opuntia humifusa (B, E, F, G, H, I)”
Claim · model-written summary
Xanthium albinum occurred in six habitat types.
- Taxon
- Xanthium albinum
Xanthium albinume0 - Outcome
- found in six types of habitatse0
- Value
- six types of habitatse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Four species have the greatest ecological plasticity, each of these is found in six types of habitats: Ailanthus altissima (B, F, G, I, J, H), Amaranthus retroflexus (C, E, F, G, I, J), Opuntia humifusa (B, E, F, G, H, I) and Xanthium albinum (B, C, E, F, G, I)”
Claim · model-written summary
Erigeron canadensis occurred in five habitat types.
- Taxon
- Erigeron canadensis
Erigeron canadensise0 - Outcome
- found in five habitat typese0
- Value
- five habitat typese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Erigeron canadensis is found in five habitat types (C, E, F, G, I).”
Claim · model-written summary
The invasive group showed low regional specificity, high invasive potential and stable population reproduction.
Verbatim
t0“Plant invasions”
e0“The studied group is characterized by an insignificant regional specificity of the species composition, high invasive potential and stability of population reproduction.”