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Response of soil and vegetation in a warm-temperate Pine forest to intensive biomass harvests, phosphorus fertilisation, and wood ash application

hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorAUGUSTO, Laurent
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorBEAUMONT, Florent
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorNGUYEN, Christophe
hal.structure.identifierInstitut Technologique Forêt Cellulose Bois-construction Ameublement [FCBA]
dc.contributor.authorFRAYSSE, Jean-Yves
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorTRICHET, Pierre
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
hal.structure.identifierUnité expérimentale Forêt Pierroton [UEFP]
dc.contributor.authorMEREDIEU, Céline
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorVIDAL, David
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorSAPPIN-DIDIER, Valérie
dc.date.issued2022-12
dc.identifier.issn0048-9697
dc.description.abstractEnThe objective of this study was to assess the effects of different intensities of biomass harvesting, and the possible effects of compensation methods, on forest functioning. To do so, we carried out a split-plot experiment (SW France) crossing four different intensities of biomass harvesting (Stem-Only Harvest [SOH], Aboveground Additional Harvest [AAH], Belowground Additional Harvest [BAH], and Whole-Tree Harvest [WTH]) and three compensation methods (control [C], wood ash application [A] and phosphorus fertilisation [P]). The experimental treatments were followed by the plantation of pines (Pinus pinaster). The environmental consequences of treatments on soil and vegetation were evaluated 11 years after the tree plantation.Despite their low additional biomass exports (+10 % for AAH to +34 % for WTH), the non-conventional harvest practices exported much higher quantities of nutrients than the conventional SOH technique (+145 % of exported N in WTH). Additional biomass harvests impacted the soil organic matter content, with negative effects on P-organic, soil cation exchange capacity, exchangeable Ca, and most extractible nutrients. However, tree nutritional status was improved by P-fertiliser or wood ash. We observed a positive effect of wood ash application on soil pH and nutrient content but, like additional harvests, wood ash application decreased the pool of soil organic carbon (~10 %).Overall, the experiment showed that exporting more forest biomass due to the additional harvesting of biomass had negative consequences on the ecosystem biogeochemistry. Additional harvests have impoverished the soil, and decreased the soil organic carbon content. Importantly, applying nutrients as fertiliser or wood ash did not compensate for all the negative impacts of biomass exports and the method of wood ash recycling in forests could even decrease the soil organic carbon.
dc.language.isoen
dc.publisherElsevier
dc.subject.enWhole-tree harvesting
dc.subject.enPhosphorus fertilisation
dc.subject.enSandy podzol
dc.subject.enTree nutrition
dc.subject.enTrace metal contamination
dc.title.enResponse of soil and vegetation in a warm-temperate Pine forest to intensive biomass harvests, phosphorus fertilisation, and wood ash application
dc.typeArticle de revue
dc.identifier.doi10.1016/j.scitotenv.2022.157907
dc.subject.halSciences de l'environnement
bordeaux.journalScience of the Total Environment
bordeaux.page157907
bordeaux.volume850
bordeaux.peerReviewedoui
hal.identifierhal-03763508
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03763508v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Science%20of%20the%20Total%20Environment&rft.date=2022-12&rft.volume=850&rft.spage=157907&rft.epage=157907&rft.eissn=0048-9697&rft.issn=0048-9697&rft.au=AUGUSTO,%20Laurent&BEAUMONT,%20Florent&NGUYEN,%20Christophe&FRAYSSE,%20Jean-Yves&TRICHET,%20Pierre&rft.genre=article


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