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Effects of management practices and topography on ectomycorrhizal fungi of maritime pine during seedling recruitment

hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorGUIGNABERT, Arthur
hal.structure.identifierGéoressources et environnement
dc.contributor.authorDELERUE, Florian
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorGONZALEZ, Maya
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorAUGUSTO, Laurent
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorBAKKER, Mark Ronald
dc.date.accessioned2024-04-08T12:06:05Z
dc.date.available2024-04-08T12:06:05Z
dc.date.issued2018
dc.identifier.issn1999-4907
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/196388
dc.description.abstractEnSymbiosis with ectomycorrhizal (ECM) fungi can be important for regeneration success. In a context of increasing regeneration failures in the coastal forest of maritime pine in Southwest France, we tried to identity whether differences in ECM communities could partly explain the variation of regeneration success and how they are influenced by forest practices and stand characteristics. In particular, we focused on the effects of harvesting methods (comparing mature forest with seed-tree regeneration and clear-cuts) and topography (bottom-, mid-, and top positions). Five field trials (two in regeneration failure areas and three in successful areas) were used to sample 450 one-year-old seedlings. Assessments of ECM of seedling nutrient concentrations and of seedling growth based on exploration types were made. ECM root colonisation was similar in all harvesting treatments, suggesting that enough inoculum remained alive after logging. Harvesting-induced effects modifying soil properties and light availability respectively impacted ECM composition and seedling growth. Topography-induced variations in water and nutrient availability led to changes in ECM composition, but had little impact on seedling growth. Contact, short-distance, and long-distance exploration types improved the nutritional status of seedlings (Ca, K, and N), showing that mycorrhization could play an important role in seedling vitality. However, neither ECM root colonisation nor exploration types could be related to regeneration failures.
dc.language.isoen
dc.publisherMDPI
dc.rights.urihttp://creativecommons.org/licenses/by/
dc.subject.enectomycorrhizal fungi
dc.subject.enseedlings
dc.subject.ennatural regeneration
dc.subject.enharvesting practices
dc.subject.entopography
dc.subject.enprecipitation
dc.subject.enpinus pinaster
dc.title.enEffects of management practices and topography on ectomycorrhizal fungi of maritime pine during seedling recruitment
dc.typeArticle de revue
dc.identifier.doi10.3390/f9050245
dc.subject.halSciences du Vivant [q-bio]
dc.subject.halSciences de l'environnement
bordeaux.journalForests
bordeaux.page1-17
bordeaux.volume9
bordeaux.hal.laboratoriesInteractions Soil Plant Atmosphere (ISPA) - UMR 1391*
bordeaux.issue5
bordeaux.institutionBordeaux Sciences Agro
bordeaux.institutionINRAE
bordeaux.peerReviewedoui
hal.identifierhal-02621214
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02621214v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Forests&rft.date=2018&rft.volume=9&rft.issue=5&rft.spage=1-17&rft.epage=1-17&rft.eissn=1999-4907&rft.issn=1999-4907&rft.au=GUIGNABERT,%20Arthur&DELERUE,%20Florian&GONZALEZ,%20Maya&AUGUSTO,%20Laurent&BAKKER,%20Mark%20Ronald&rft.genre=article


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