Ecological impacts of the invasive plant Xanthium strumarium and the impacts of three aboveground herbivores on the invader

Exotic plant invasions are generally assumed to negatively impact biodiversity of recipient communities. However, experimental evidence for this assumption is little, especially in developing countries. In addition, there is hardly applicable method to control invasive plants. Enemy release is often...

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Autores principales:	Mazher Farid Iqbal, Yu-Long Feng, Wei-Wei Feng, Master, Ming-Chao Liu, Xiu-Rong Lu
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Biological control Enemy release hypothesis Herbivores Invasion impact Invasive plant Phenacoccus solenopsis Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/940bee8d3531486b82da21c6833ffc4e
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spelling	oai:doaj.org-article:940bee8d3531486b82da21c6833ffc4e2021-12-01T04:59:38ZEcological impacts of the invasive plant Xanthium strumarium and the impacts of three aboveground herbivores on the invader1470-160X10.1016/j.ecolind.2021.108140https://doaj.org/article/940bee8d3531486b82da21c6833ffc4e2021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X21008050https://doaj.org/toc/1470-160XExotic plant invasions are generally assumed to negatively impact biodiversity of recipient communities. However, experimental evidence for this assumption is little, especially in developing countries. In addition, there is hardly applicable method to control invasive plants. Enemy release is often hypothesized to facilitate exotic plant invasions, thus re-association with natural enemies of invasive ranges may inhibit invasions of exotic plants, and these enemies may have the potential to be used as biological control agents for these invaders. To address above problems, we determined abundance of the invasive plant Xanthium strumarium, its impacts on co-occurring native plants, and abundances of three herbivores and their impacts on the invader at five sites in the rice tract of Punjab, Pakistan. Relative abundance of the invader varied greatly among the study sites, ranging from 3.5% to 50.4%. The invader significantly reduced abundance of co-occurring native plants at all study sites, and their richness and evenness at some sites with high abundances of the invader. The polyphagous insects Phenacoccus solenopsis, Podisus maculiventris and Spodoptera frugiperda were all found on the invader (not on crops) at all study sites, which significantly reduced growth of the invader. The abundance of P. solenopsis on the invader was much higher than those of P. maculiventris and S. frugiperda. The abundances of the herbivores were significantly higher at sites with high relative to low relative abundances of the invader. Our study indicates that natural enemies may accumulate on invasive plants with the increase of their abundance and/or invasion time, inhibiting further invasions, and provides evidence for enemy release hypothesis. More studies are needed to determine whether these herbivores, especially P. solenopsis, could be used as biological control agents for the invader.Mazher Farid IqbalYu-Long FengWei-Wei Feng, MasterMing-Chao LiuXiu-Rong LuElsevierarticleBiological controlEnemy release hypothesisHerbivoresInvasion impactInvasive plantPhenacoccus solenopsisEcologyQH540-549.5ENEcological Indicators, Vol 131, Iss , Pp 108140- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Biological control Enemy release hypothesis Herbivores Invasion impact Invasive plant Phenacoccus solenopsis Ecology QH540-549.5
spellingShingle	Biological control Enemy release hypothesis Herbivores Invasion impact Invasive plant Phenacoccus solenopsis Ecology QH540-549.5 Mazher Farid Iqbal Yu-Long Feng Wei-Wei Feng, Master Ming-Chao Liu Xiu-Rong Lu Ecological impacts of the invasive plant Xanthium strumarium and the impacts of three aboveground herbivores on the invader
description	Exotic plant invasions are generally assumed to negatively impact biodiversity of recipient communities. However, experimental evidence for this assumption is little, especially in developing countries. In addition, there is hardly applicable method to control invasive plants. Enemy release is often hypothesized to facilitate exotic plant invasions, thus re-association with natural enemies of invasive ranges may inhibit invasions of exotic plants, and these enemies may have the potential to be used as biological control agents for these invaders. To address above problems, we determined abundance of the invasive plant Xanthium strumarium, its impacts on co-occurring native plants, and abundances of three herbivores and their impacts on the invader at five sites in the rice tract of Punjab, Pakistan. Relative abundance of the invader varied greatly among the study sites, ranging from 3.5% to 50.4%. The invader significantly reduced abundance of co-occurring native plants at all study sites, and their richness and evenness at some sites with high abundances of the invader. The polyphagous insects Phenacoccus solenopsis, Podisus maculiventris and Spodoptera frugiperda were all found on the invader (not on crops) at all study sites, which significantly reduced growth of the invader. The abundance of P. solenopsis on the invader was much higher than those of P. maculiventris and S. frugiperda. The abundances of the herbivores were significantly higher at sites with high relative to low relative abundances of the invader. Our study indicates that natural enemies may accumulate on invasive plants with the increase of their abundance and/or invasion time, inhibiting further invasions, and provides evidence for enemy release hypothesis. More studies are needed to determine whether these herbivores, especially P. solenopsis, could be used as biological control agents for the invader.
format	article
author	Mazher Farid Iqbal Yu-Long Feng Wei-Wei Feng, Master Ming-Chao Liu Xiu-Rong Lu
author_facet	Mazher Farid Iqbal Yu-Long Feng Wei-Wei Feng, Master Ming-Chao Liu Xiu-Rong Lu
author_sort	Mazher Farid Iqbal
title	Ecological impacts of the invasive plant Xanthium strumarium and the impacts of three aboveground herbivores on the invader
title_short	Ecological impacts of the invasive plant Xanthium strumarium and the impacts of three aboveground herbivores on the invader
title_full	Ecological impacts of the invasive plant Xanthium strumarium and the impacts of three aboveground herbivores on the invader
title_fullStr	Ecological impacts of the invasive plant Xanthium strumarium and the impacts of three aboveground herbivores on the invader
title_full_unstemmed	Ecological impacts of the invasive plant Xanthium strumarium and the impacts of three aboveground herbivores on the invader
title_sort	ecological impacts of the invasive plant xanthium strumarium and the impacts of three aboveground herbivores on the invader
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/940bee8d3531486b82da21c6833ffc4e
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Ecological impacts of the invasive plant Xanthium strumarium and the impacts of three aboveground herbivores on the invader

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