The species composition and abundance of alien and invasive understory shrubs and trees in urban forests of Yekaterinburg

Веселкин, Д. В.; Korzhinevskaya, A. A.; Podgaevskaya, E. N.

doi:10.17223/19988591/42/5

Cited by 10 publications

(8 citation statements)

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“…negundo thickets but also blocks the flow of seeds or other plant diaspores. It is known that the diversity and pool of seed banks may decrease in native communities invaded by alien plants 18 , 53 , including ash-leaved maple 6 .…”

Section: Discussionmentioning

confidence: 99%

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High canopy cover of invasive Acer negundo L. affects ground vegetation taxonomic richness

Веселкин

Dubrovin

Pustovalova

2021

Sci Rep

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We assessed the link between canopy cover degree and ground vegetation taxonomic richness under alien ash-leaved maple (Acer negundo) and other (native or alien) tree species. We investigated urban and suburban forests in the large city of Yekaterinburg, Russia. Forests were evaluated on two spatial scales. Through an inter-habitat comparison we recorded canopy cover and plant taxonomic richness among 13 sample plots of 20 × 20 m where A. negundo dominated and 13 plots where other tree species dominated. In an intra-habitat comparison, we recorded canopy cover and ground vegetation taxonomic richness among 800 sample plots measuring 1 m2 in the extended urbanised forest, which featured abundant alien (308 plots) and native trees (492 plots). We observed decreased taxonomic richness among vascular ground plant species by 40% (inter-habitat) and 20% (intra-habitat) in areas dominated by A. negundo compared to areas dominated by native tree and shrub species. An abundance of A. negundo was accompanied by increased canopy cover. We found a negative relationship between canopy cover and the number of understory herbaceous species. Thus, the interception of light and the restriction of its amount for other species is a main factor supporting the negative influence of A. negundo on native plant communities.

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Section: Discussionmentioning

confidence: 99%

“…A . negundo actively restores itself in the urbanised forests of the Middle Urals 5 , 6 , but the invasion of ash-leaved maple is dangerous for some types of plant communities 7 , 8 . In communities dominated by A .…”

Section: Introductionmentioning

confidence: 99%

High canopy cover of invasive Acer negundo L. affects ground vegetation taxonomic richness

Веселкин

Dubrovin

Pustovalova

2021

Sci Rep

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“…For example, the fact that A. negundo has a dense and low crown may not only decrease illumination in A. negundo thickets but also blocks the ow of seeds or other plant diaspores. It is known that the diversity and pool of seed banks may decrease in native communities invaded by alien plants 18,53 , including ash-leaved maple 6 .…”

Section: Discussionmentioning

confidence: 99%

“…During plant identi cation, we used a list including 131 species based on 27 preliminary geobotanical descriptions of this section of the forest park 6 . We were able to identify some of the plants in the photos only to the family or genus level.…”

Section: Intra-habitat Comparisonmentioning

confidence: 99%

“…Ash-leaved maple (Acer negundo L.) is an invasive tree in the territory of Northern Eurasia that is currently colonising disturbed and semi-natural territories 1,2,3,4 . A. negundo actively renews itself in the urbanised forests of the Middle Urals 5,6 , but the invasion of ash-leaved maple is dangerous for some types of plant communities 7,8 . In communities dominated by A. negundo, the diversity of native plants decreases 7,9,10 .…”

Section: Introductionmentioning

confidence: 99%

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High Canopy Cover of Invasive Acer Negundo L. Affects Ground Vegetation Diversity

Веселкин

Dubrovin

Pustovalova

2021

Preprint

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We assessed the link between canopy cover degree and ground vegetation diversity under alien ash-leaved maple (Acer negundo) and other (native or alien) tree species. We investigated urban and suburban forests in the large city of Yekaterinburg, Russia. Forests were evaluated on two spatial scales. Through an inter-habitat comparison we recorded canopy cover and plant diversity among 13 sample plots of 20 × 20 m where A. negundo dominated and 13 plots where other tree species dominated. In an intra-habitat comparison, we recorded canopy cover and ground vegetation diversity among 800 sample plots measuring 1 m2 in the extended urbanised forest, which featured abundant alien (308 plots) and native trees (492 plots). We observed decreased diversity among vascular ground plant species by 40% (inter-habitat) and 20% (intra-habitat) in areas dominated by A. negundo compared to areas dominated by native tree and shrub species. An abundance of A. negundo was accompanied by increased canopy cover. We found a negative relationship between canopy cover and the number of understory herbaceous species. Thus, the interception of light and the restriction of its amount for other species is a main factor supporting the negative influence of A. negundo on native plant communities.

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Assessment of the impact of the urbanized territory of Yekaterinburg city on the formation of undergrowth in the forest park zone

Толкач

Dobrotvorskaya

2021

BIO Web Conf.

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The parameters of the undergrowth in the forbs and berry groups of pine forest types in 9 parks in Yekaterinburg and areas of natural forest have been investigated. Data on the species composition, density, and distribution by groups of heights of plants that make up the undergrowth collected. It has been established that the transformation of the undergrowth by an urbanized environment neutralizes the influence of the growing conditions of the considered forest types on it. In the forest-park zone, an increase in the density of the undergrowth is observed in comparison with the natural forest. The specificity of the forest park undergrowth is the floristic contamination with adventive species, the number of which is close to 50% of the total number of undergrowth species. The coefficient of floristic similarity of the undergrowth, according to the Sorensen coefficient between forest parks and a site of natural forest, was 0.26-0.46. In quantitative terms, the self-seeding of adventive species in the undergrowth is less than that of native plants. The invasive activity of ash-leaved maple in city parks and its dynamics over a 10-year period are considered, using the example of one of the parks.

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The species composition and abundance of alien and invasive understory shrubs and trees in urban forests of Yekaterinburg

Cited by 10 publications

References 0 publications

High canopy cover of invasive Acer negundo L. affects ground vegetation taxonomic richness

High canopy cover of invasive Acer negundo L. affects ground vegetation taxonomic richness

High Canopy Cover of Invasive Acer Negundo L. Affects Ground Vegetation Diversity

Assessment of the impact of the urbanized territory of Yekaterinburg city on the formation of undergrowth in the forest park zone

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