Article (Scientific journals)
Vegetative Regeneration Capacities of Five Ornamental Plant Invaders After Shredding
Monty, Arnaud; Eugène, Marie; Mahy, Grégory
2014In Environmental Management
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Keywords :
Roadside management; Crushing; Mulching; Biological invasions; Clonal growth; Bud bank; Green waste
Abstract :
[en] Vegetation management often involves shredding to dispose of cut plant material or to destroy the vegetation itself. In the case of invasive plants, this can represent an environmental risk if the shredded material exhibits vegetative regeneration capacities. We tested the effect of shredding on aboveground and below-ground vegetative material of five ornamental widespread invaders in Western Europe that are likely to be managed by cutting and shredding techniques: Buddleja davidii (butterfly bush, Scrophulariaceae), Fallopia japonica (Japanese knotweed, Polygonaceae), Spiraea x billardii He´rincq (Billard’s bridewort, Rosaceae), Solidago gigantea (giant goldenrod, Asteraceae), and Rhus typhina L. (staghorn sumac, Anacardiaceae). We looked at signs of vegetative regeneration and biomass production, and analyzed the data with respect to the season of plant cutting (spring vs summer), the type of plant material (aboveground vs below-ground), and the shredding treatment (shredded vs control). All species were capable of vegetative regeneration, especially the belowground material. We found differences among species, but the regeneration potential was generally still present after shredding despite a reduction of growth rates. Although it should not be excluded in all cases (e.g., destruction of giant goldenrod and staghorn sumac aboveground material), the use of a shredder to destroy woody alien plant material cannot be considered as a general management option without significant environmental risk.
Disciplines :
Environmental sciences & ecology
Author, co-author :
Monty, Arnaud ;  Université de Liège - ULiège > Biosystem Engineering (BIOSE) > Biodiversité et Paysage
Eugène, Marie
Mahy, Grégory ;  Université de Liège - ULiège > Forêts, Nature et Paysage > Biodiversité et Paysage
Language :
English
Title :
Vegetative Regeneration Capacities of Five Ornamental Plant Invaders After Shredding
Publication date :
November 2014
Journal title :
Environmental Management
ISSN :
0364-152X
eISSN :
1432-1009
Publisher :
Springer Verlag, New York, United States - New York
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
SPW DG03-DGARNE - Service Public de Wallonie. Direction Générale Opérationnelle Agriculture, Ressources naturelles et Environnement [BE]
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since 26 December 2014

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