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Restoration worse than invasion? Insights from a comparative study on soil biota and functioning in the case of Reynoutria spp.

hal.structure.identifierLaboratoire des EcoSystèmes et des Sociétés en Montagne [UR LESSEM]
dc.contributor.authorDOMMANGET, Fanny
hal.structure.identifierUniversité de Rouen Normandie [UNIROUEN]
dc.contributor.authorCHAUVAT, Matthieu
hal.structure.identifierUniversité de Rouen Normandie [UNIROUEN]
dc.contributor.authorFOREY, Estelle
hal.structure.identifierLaboratoire des EcoSystèmes et des Sociétés en Montagne [UR LESSEM]
dc.contributor.authorFRANÇOIS, Adeline
hal.structure.identifierInstitut de Recherche pour le Développement [IRD]
dc.contributor.authorERKTAN, Amandine
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorFANIN, Nicolas
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorCHESSERON, Coralie
dc.date.accessioned2024-04-08T11:41:04Z
dc.date.available2024-04-08T11:41:04Z
dc.date.conference2023-10-23
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/195058
dc.description.abstractEnReynoutria complex of species is widely known as part of the worst invasive alien plant species worldwide. These rhizomatous species originating from Eastern Asia are able to rapidly dominate plant communities along riverbanks. They are known to affect plant diversity and soil ecosystem functioning through their high growth rate, thick litter and allelopathical properties. Because of their high resprouting ability, the efficiency of traditional management methods is hardly achieved at the cost of intense efforts. Managers are therefore turning to alternative methods such as planting competitive native plants to both limit the dominance of the invaders and restore native plant diversity. If several papers found that Reynoutria species alter soil properties, no study has ever investigated the effect of such management methods after invasion. Through an observational study on seven paired-sites (restored /invaded/references) along two riverbanks in France, we measured soil chemical properties along with enzyme activities, soil microbiology, soil fauna as well as plant biodiversity to understand the changes induced by Reynoutria invasion and by management planting methods. Our results confirm drastic effects of Reynoutria species on plant diversity and high benefit of the restoration method on flora. However, considering the soil compartment, chemistry and microbial activity were more altered on restored banks than on the invaded banks compared to reference banks and we observed a disconnection between plant community and soil functioning in restored plots. We discuss these results in the light of the age of the restoration and question the management practices that reshape the soil.
dc.language.isoen
dc.title.enRestoration worse than invasion? Insights from a comparative study on soil biota and functioning in the case of Reynoutria spp.
dc.typeCommunication dans un congrès
dc.subject.halSciences de l'environnement/Biodiversité et Ecologie
bordeaux.hal.laboratoriesInteractions Soil Plant Atmosphere (ISPA) - UMR 1391*
bordeaux.institutionBordeaux Sciences Agro
bordeaux.institutionINRAE
bordeaux.conference.titleEMAPI 2023
bordeaux.countryCL
bordeaux.conference.cityPucon, Chile
bordeaux.peerReviewedoui
hal.identifierhal-04279874
hal.version1
hal.proceedingsnon
hal.conference.end2023-10-25
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-04279874v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.au=DOMMANGET,%20Fanny&CHAUVAT,%20Matthieu&FOREY,%20Estelle&FRAN%C3%87OIS,%20Adeline&ERKTAN,%20Amandine&rft.genre=unknown


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