Occurrence of Arbuscular Mycorrhizal Herbs Decreases Selectively in Communities Dominated by Invasive Tree Acer negundo.

Autor: Veselkin DV; Institute of Plant and Animal Ecology, Ural Branch, Russian Academy of Sciences, 620144, Yekaterinburg, Russia. veselkin_dv@ipae.uran.ru., Dubrovin DI; Institute of Plant and Animal Ecology, Ural Branch, Russian Academy of Sciences, 620144, Yekaterinburg, Russia., Rafikova OS; Institute of Plant and Animal Ecology, Ural Branch, Russian Academy of Sciences, 620144, Yekaterinburg, Russia.
Jazyk: angličtina
Zdroj: Doklady biological sciences : proceedings of the Academy of Sciences of the USSR, Biological sciences sections [Dokl Biol Sci] 2024 Oct; Vol. 518 (1), pp. 225-229. Date of Electronic Publication: 2024 Aug 11.
DOI: 10.1134/S0012496624600076
Abstrakt: We tested whether one of the consequences predicted for alien plant invasion by the mutualism disruption hypothesis was true in the case of the ash-leaved maple Acer negundo L. The study aimed to determine whether the occurrences of mycorrhizal and nonmycorrhizal herbs varied similarly or differently in communities with varying degrees of A. negundo dominance. The analysis included the results of 78 vegetation descriptions carried out in Belarusian Polesia, the Middle Volga region, and the Middle Urals. Communities with or without A. negundo dominance were described in each region. The mycorrhizal status of plant species was determined using the FungalRoot Database. Species that are more likely to form arbuscular mycorrhiza were found to occur less frequently in A. negundo thickets. On the contrary, a higher probability of the nonmycorrhizal status was associated with a lower frequency of detection in A. negundo thickets. Therefore, the occurrence of arbuscular mycorrhizal herbs was found to selectively decrease in communities dominated by A. negundo.
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Databáze: MEDLINE
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