Levels of Leaf Damage by Phyllophages in Invasive Acer negundo and Native Betula pendula and Salix caprea

Веселкин, Д. В.; Kuyantseva, N. B.; Чащина, О. Е.; Mumber, A. G.; Zamshina, G. A.; Molchanova, D. A.

doi:10.1134/s1067413619060134

Cited by 9 publications

(2 citation statements)

References 23 publications

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“…negundo [n = 194] yielded shading of 70 ± 1%; other species (n = 131) yielded shading of 67 ± 1%); and shrubs (n = 257) yielded shading of 77%. Furthermore, we suggest that high canopy cover formed by alien plants may have a different structure for leaf canopy, with different degrees of leaf overlap or of damage to leaves by phytophages 50 – 52 .…”

Section: Discussionmentioning

confidence: 93%

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: 93%

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

Веселкин

Dubrovin

Pustovalova

2021

Sci Rep

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“…According to our estimates, the higher canopies shade the soil surface at the vertical projection point less than lower canopies: trees of the rst layer (n = 218) yielded shading of 55 ± 1%; of the second layer (A. negundo [n = 194] yielded shading of 70 ± 1%; other species (n = 131) yielded shading of 67 ± 1%); and shrubs (n = 257) yielded shading of 77%. Furthermore, we suggest that high canopy cover formed by alien plants may have a different structure for leaf canopy, with different degrees of leaf overlap or of damage to leaves by phytophages 50,51,52 .…”

Section: Discussionmentioning

confidence: 94%

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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Can the enemy release hypothesis explain the success of Rumex (Polygonaceae) species in an introduced range?

Costan

Godsoe²,

Bufford³

et al. 2022

Biol Invasions

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The enemy release hypothesis states that introduced plants have a competitive advantage due to their release from co-evolved natural enemies (i.e., herbivores and pathogens), which allows them to spread rapidly in new environments. This hypothesis has received mixed support to date, but previous studies have rarely examined the herbivore community, plant damage, and performance simultaneously and largely ignored below-ground herbivores. We tested for enemy release by conducting large scale field surveys of insect diversity and abundance in both the native (United Kingdom) and introduced (New Zealand) ranges of three dock (Rumex, Polygonaceae) species: R. conglomeratus Murray (clustered dock), R. crispus L. (curly dock) and R. obtusifolius L. (broad-leaved dock). We captured both above- and below-ground insect herbivores, measured herbivore damage, and plant biomass as an indicator for performance. In the introduced range, Rumex plants had a lower diversity of insect herbivores, all insect specialists present in the native range were absent and plants had lower levels of herbivore damage on both roots and leaves. Despite this, only R. crispus had greater fresh weight in the introduced range compared to the native range. This suggests that enemy release, particularly from below-ground herbivores, could be a driver for the success of R. crispus plants in New Zealand, but not for R. conglomeratus and R. obtusifolius.

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Levels of Leaf Damage by Phyllophages in Invasive Acer negundo and Native Betula pendula and Salix caprea

Cited by 9 publications

References 23 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

Can the enemy release hypothesis explain the success of Rumex (Polygonaceae) species in an introduced range?

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