A new mechanism of invader success: Exotic plant inhibits natural vegetation restoration by changing soil microbe com-munity

Yu, Xin

doi:10.1360/04wc0280

Cited by 65 publications

(39 citation statements)

References 28 publications

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“…Similarly, fungal biomass was reduced by invasion of Berberis thunbergii [10] and Cenaurea maculosa [50], and the biomass of AMF was decreased by Alliaria petiolata invasion [19] in sites in North America. Furthermore, our results showed that the soil microbial composition was significantly different in the three E. adenophorum invaded sites, agreeing with previous studies that bacterial composition was significantly different between lightly and heavily E. adenophorum invaded sites in China [31,32]. Similarly, soil microbial compositions were dramatically altered by the invasion of the exotic plants B. thunbergii in New Jersey [10], Mikania micrantha in southeast China [12], Falcataria moluccana in Hawaii [51], Centaurea solstitialis and Aegilops triuncialis in Northern California [52], and Lonicera maackii in Kentucky [8].…”

Section: Discussionsupporting

confidence: 92%

“…Several mechanisms have been proposed to explain the success of E. adenophorum invasion, such as rapid genetic differentiation [23], extraordinary biological characteristics including high seed production and germination [24,25], wide biogeographic adaptation [26,27], and production of allelopathic compounds that reduce native plant growth [28][29][30]. However, little information has been available on the responses of soil microbial community structure and function to E. adenophorum invasion, except for a few studies of its effect on soil bacterial composition [31,32].…”

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confidence: 99%

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Changes in soil microbial community and enzyme activity along an exotic plant Eupatorium adenophorum invasion in a Chinese secondary forest

2013

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Section: Discussionsupporting

confidence: 92%

mentioning

confidence: 99%

Changes in soil microbial community and enzyme activity along an exotic plant Eupatorium adenophorum invasion in a Chinese secondary forest

2013

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“…Similar results were reported by Saetre and Bååth (2000) and Yao et al (2000) which showed that changes in the ratio of Gram-negative to Gram-positive bacteria were related to quality of organic matter in the soil under exotic species. Recent studies that have used BIOLOG (Yu et al, 2005), noted great modifications in catabolic activity forms of soil bacterial community with 31 carbon resources in soils treated by Eupatorium adenophorum (an exotic invasive species) root water extract. In our study, http://www.aloki.…”

Section: Discussionmentioning

confidence: 99%

“…But little attention has been paid to diversity and functionalities of microbial communities under Eucalyptus soil. Yet, microbial communities are the most sensitive and most affected by the replacement of native vegetation by exogenous plant cover (Yu, 2005).…”

Section: Introductionmentioning

confidence: 99%

Changes in Soil Ph, Polyphenol Content and Microbial Community Mediated by Eucalyptus Camaldulensis

Soumaré¹,

Sall

Sanon³

et al. 2016

Appl Ecol Env Res

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Abstract. Eucalyptus camaldulensis has been the main exotic species planted in reforestation programs in the tropics due to its fast growth and adaptability to climate variations. Based on the premise that the conversion from natural grazed pastures to commercial Eucalyptus plantations generates significant changes in soil properties, we assessed the impact of this exotic plantation on soil chemical and biological indicators. The study was conducted in 6 plantations across Senegal following a decreasing rainfall gradient from south to north. The plantations were divided in three lots according to their age: young plantations (established in 2003, 6 years old); intermediate plantations (established in 1998, 11 years old) and old plantations (established in 1982 and 1983, 26 years old). Our results clearly showed that E. camaldulensis plants significantly modified soil pH and soil bacterial community at all sites regardless of the age of the plantation. Microbial biomass (assessed by substrate-induced respiration), community structure (assessed by denaturing gradient gel electrophoresis profiles) and function (assessed by Catabolic Response Profile using different substrates) were all significantly decreased. The acidifying effect of E. camaldulensis, the effect of high level of polyphenols and their impact on microbial communities and ecosystem functioning were discussed.

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“…In competition with native species, the relative performance of the invasive perennial herb Centaurea melitensis was much increased by the presence of soil fungi (Callaway et al 2003) and an experimentally imposed period of soil modification by the related C. maculosa had a similar effect (Reinhart and Callaway 2006). In non-experimental studies in several plant communities, soil biota from stands dominated by certain invasive species were found to reduce growth of several native species (Allen et al 2003;Yu et al 2005;Stinson et al 2006). Also, invasive modification of soil nitrogen cycling has been associated with reduced native growth and abundance (Haubensak et al 2004;Symstad 2004).…”

Section: Introductionmentioning

confidence: 99%

Soil modification by invasive plants: effects on native and invasive species of mixed-grass prairies

Larson²,

2007

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Invasive plants are capable of modifying attributes of soil to facilitate further invasion by conspecifics and other invasive species. We assessed this capability in three important plant invaders of grasslands in the Great Plains region of North America: leafy spurge (Euphorbia esula), smooth brome (Bromus inermis) and crested wheatgrass (Agropyron cristatum). In a glasshouse, these three invasives or a group of native species were grown separately through three cycles of growth and soil conditioning in both steam-pasteurized and non-pasteurized soils, after which we assessed seedling growth in these soils. Two of the three invasive species, Bromus and Agropyron, exhibited significant self-facilitation via soil modification. Bromus and Agropyron also had significant facilitative effects on other invasives via soil modification, while Euphorbia had significant antagonistic effects on the other invasives. Both Agropyron and Euphorbia consistently suppressed growth of two of three native forbs, while three native grasses were generally less affected. Almost all intra-and interspecific effects of invasive soil conditioning were dependent upon presence of soil biota from field sites where these species were successful invaders. Overall, these results suggest that that invasive modification of soil microbiota can facilitate plant invasion directly or via 'cross-facilitation' of other invasive species, and moreover has potential to impede restoration of native communities after removal of an invasive species. However, certain native species that are relatively insensitive to altered soil biota (as we observed in the case of the forb Linum lewisii and the native grasses), may be valuable as 'nurse'species in restoration efforts.

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A new mechanism of invader success: Exotic plant inhibits natural vegetation restoration by changing soil microbe com-munity

Cited by 65 publications

References 28 publications

Changes in soil microbial community and enzyme activity along an exotic plant Eupatorium adenophorum invasion in a Chinese secondary forest

Changes in soil microbial community and enzyme activity along an exotic plant Eupatorium adenophorum invasion in a Chinese secondary forest

Changes in Soil Ph, Polyphenol Content and Microbial Community Mediated by Eucalyptus Camaldulensis

Soil modification by invasive plants: effects on native and invasive species of mixed-grass prairies

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