Soil organic carbon stocks in semi-arid West African drylands: implications for climate change adaptation and mitigation

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cg.contributor.crpDryland Systemsen_US
cg.coverage.regionAfricaen_US
cg.coverage.regionWestern Africaen_US
cg.creator.identifierIssa Ouedraogo: 0000-0002-5675-6769en_US
cg.creator.identifierLulseged Tamene: 0000-0002-4846-2330en_US
cg.identifier.doihttps://doi.org/10.5194/soil-2016-45en_US
cg.issn2199-3971en_US
cg.journalSoilen_US
cg.subject.ciatLAND USEen_US
cg.subject.ciatSOIL INFORMATIONen_US
dc.contributor.authorTondoh, Jérôme E.en_US
dc.contributor.authorOuédraogo, Issaen_US
dc.contributor.authorBayala, Julesen_US
dc.contributor.authorTamene, Lulseged D.en_US
dc.contributor.authorSila, Andrew M.en_US
dc.contributor.authorVågen, Tor-Gunnaren_US
dc.contributor.authorKalinganiré, Antoineen_US
dc.date.accessioned2016-08-29T19:50:49Zen_US
dc.date.available2016-08-29T19:50:49Zen_US
dc.identifier.urihttps://hdl.handle.net/10568/76627en_US
dc.titleSoil organic carbon stocks in semi-arid West African drylands: implications for climate change adaptation and mitigationen_US
dcterms.abstractIn the West African drylands, SOC sequestration is seen as one of the prominent strategies to both enhance the resilience of agro-ecosystems and mitigate global greenhouse effects. However, there is a dearth of baseline data that impede the design of site-appropriate recommended management practices (RMPs) to improve and sustain SOC accrual. In this study, the Land Degradation Surveillance Framework (LDSF), a nested hierarchical sampling design was used to assess SOC stock and its spatial variability across the semi-arid zones of Ghana (Lambussie), Burkina Faso (Bondigui) and Mali (Finkolo). Soil samples were collected from three sites of 100 km2 stratified into 16 clusters and 160 plots and thereafter soil parameters were then analyzed using MIR spectroscopy. Regardless of soil strata, SOC storage with 95% confidence level in semi-arid landscapes potentially ranged between 112,200±14,000 and 253,000±34,000 Mg C corresponding to 411,400±51,333 Mg CO2-eq and 927,666.7±124,666.7 Mg CO2-eq in the entire study area. On the other hand, investigation on the potential of climate change mitigation through SOC revealed contrasted figures as accumulation rates in cultivated lands ranged from 0.04 to 0.18 Mg C ha-1 yr-1 and are balanced by higher depletion rates of -0.004 to - 0.73 Mg ha-1 yr-1. This indicates the potential of semiarid soils to store carbon through improved land management practices. Landscape study structured in cluster-level analysis revealed heterogeneity in the distribution of SOC stocks, a mandatory finer level analysis prior to effective decision-making about RMPs.en_US
dcterms.accessRightsOpen Accessen_US
dcterms.bibliographicCitationTondoh, Jérôme Ebagnerin; Ouédraogo, Issa; Bayala, Jules; Desta, Lulseged Tamene; Sila, Andrew; Vågen, Tor-Gunnar; Kalinganiré, Antoine. 2016. Soil organic carbon stocks in semi-arid West African drylands: implications for climate change adaptation and mitigation . Soil . Copernicus GmbH, 1-41 p.en_US
dcterms.descriptionThis is a preprint and has not been peer reviewed.en_US
dcterms.extentp. 1-41en_US
dcterms.issued2016-07-04en_US
dcterms.languageenen_US
dcterms.licenseCC-BY-3.0en_US
dcterms.publisherCopernicus GmbHen_US
dcterms.subjectagroecosystemsen_US
dcterms.subjectland useen_US
dcterms.subjectresilienceen_US
dcterms.subjectcarbon sequestrationen_US
dcterms.subjectsoil fertilityen_US
dcterms.subjectland managementen_US
dcterms.subjectagroecosistemasen_US
dcterms.subjectutilización de la tierraen_US
dcterms.subjectresiliencia frente a impactos y crisisen_US
dcterms.subjectsecuestro de carbonoen_US
dcterms.subjectfertilidad del sueloen_US
dcterms.subjectordenación de tierrasen_US
dcterms.typePreprinten_US

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