Land Use, Land Use History, and Soil Type Affect Soil Greenhouse Gas Fluxes From Agricultural Landscapes of the East African Highlands

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cg.contributor.affiliationInternational Livestock Research Instituteen
cg.contributor.affiliationCenter for International Forestry Researchen
cg.contributor.affiliationLancaster Universityen
cg.contributor.affiliationAgriculture and Agri-Food Canadaen
cg.contributor.affiliationUniversity of Natural Resources and Life Sciences, Viennaen
cg.contributor.affiliationInternational Institute of Tropical Agricultureen
cg.contributor.affiliationInternational Center for Tropical Agricultureen
cg.contributor.affiliationKarlsruhe Institute of Technologyen
cg.contributor.crpClimate Change, Agriculture and Food Securityen
cg.contributor.crpLivestocken
cg.coverage.countryUgandaen
cg.coverage.iso3166-alpha2UGen
cg.coverage.regionAfricaen
cg.coverage.regionEastern Africaen
cg.creator.identifierIbrahim Wanyama: 0000-0001-9006-139Xen
cg.creator.identifierMariana Rufino: 0000-0003-4293-3290en
cg.creator.identifierDavid Pelster: 0000-0002-0461-7855en
cg.creator.identifierClement Atzberger: 0000-0003-2169-8009en
cg.creator.identifierLouis Verchot: 0000-0001-8309-6754en
cg.creator.identifierKlaus Butterbach-Bahl: 0000-0001-9499-6598en
cg.howPublishedFormally Publisheden
cg.identifier.dataurlhttps://doi.org/10.7910/dvn/gsrd3ren
cg.identifier.doihttps://doi.org/10.1002/2017jg003856en
cg.identifier.projectCCAFS: PII-FP3_LEDPrioritiesen
cg.identifier.projectCCAFS: PII-FP3_CLIFFen
cg.identifier.projectCCAFS: PII-FP3_SAMPLESen
cg.isijournalISI Journalen
cg.issn2169-9275en
cg.issue3en
cg.journalJournal of Geophysical Research: Biogeosciencesen
cg.reviewStatusPeer Reviewen
cg.subject.alliancebiovciatCLIMATE CHANGEen
cg.subject.alliancebiovciatLIVESTOCKen
cg.subject.ccafsLOW EMISSIONS DEVELOPMENTen
cg.subject.ciatLAND USEen
cg.subject.ciatSOIL INFORMATIONen
cg.subject.ciforCLIMATE CHANGEen
cg.subject.ilriCLIMATE CHANGEen
cg.volume123en
dc.contributor.authorWanyama, Ibrahimen
dc.contributor.authorRufino, Mariana C.en
dc.contributor.authorPelster, David E.en
dc.contributor.authorWanyama, George N.en
dc.contributor.authorAtzberger, Clementen
dc.contributor.authorAsten, Piet J.A. vanen
dc.contributor.authorVerchot, Louis V.en
dc.contributor.authorButterbach-Bahl, Klausen
dc.date.accessioned2018-04-04T16:20:47Zen
dc.date.available2018-04-04T16:20:47Zen
dc.identifier.urihttps://hdl.handle.net/10568/92025
dc.titleLand Use, Land Use History, and Soil Type Affect Soil Greenhouse Gas Fluxes From Agricultural Landscapes of the East African Highlandsen
dcterms.abstractThis study aims to explain effects of soil textural class, topography, land use, and land use history on soil greenhouse gas (GHG) fluxes in the Lake Victoria region. We measured GHG fluxes from intact soil cores collected in Rakai, Uganda, an area characterized by low‐input smallholder (<2 ha) farming systems, typical for the East African highlands. The soil cores were air dried and rewetted to water holding capacities (WHCs) of 30, 55, and 80%. Soil CO2, CH4, and N2O fluxes were measured for 48 h following rewetting. Cumulative N2O fluxes were highest from soils under perennial crops and the lowest from soils under annual crops (P < 0.001 for all WHC). At WHC of 55% or 80%, the sandy clay loam soils had lower N2O fluxes than the clay soils (P < 0.001 and P = 0.041, respectively). Cumulative soil CO2 fluxes were highest from eucalyptus plantations and lowest from annual crops across multiple WHC (P = 0.014 at 30% WHC and P < 0.001 at both 55 and 80% WHC). Methane fluxes were below detectable limits, a shortcoming for using soil cores from the top soil. This study reveals that land use and soil type have strong effects on GHG fluxes from agricultural land in the study area. Field monitoring of fluxes is needed to confirm whether these findings are consistent with what happens in situ.en
dcterms.accessRightsOpen Accessen
dcterms.audienceScientistsen
dcterms.available2018-03-15en
dcterms.bibliographicCitationWanyama, I., Rufino, M.C., Pelster, D.E., Wanyama, G., Atzberger, C., Van Asten, P., Verchot, L.V., Butterbach-Bahl, K. 2018. Land Use, Land Use History, and Soil Type Affect Soil Greenhouse Gas Fluxes From Agricultural Landscapes of the East African Highlands. Journal of Geophysical Research: Biogeosciences, 123 (3): 976-990. https://doi.org/10.1002/2017JG003856en
dcterms.extentp. 976-990en
dcterms.issued2018-03en
dcterms.languageenen
dcterms.licenseCopyrighted; all rights reserveden
dcterms.publisherWileyen
dcterms.replaceshttps://hdl.handle.net/10568/111820en
dcterms.replaceshttps://hdl.handle.net/10568/97425en
dcterms.subjectclimate changeen
dcterms.subjectfood securityen
dcterms.subjectagricultureen
dcterms.subjectsoilen
dcterms.subjectgreenhouse gasesen
dcterms.subjectland useen
dcterms.subjectland use changeen
dcterms.subjectlandscapeen
dcterms.subjectpaleontologyen
dcterms.subjectecologyen
dcterms.subjectforestryen
dcterms.typeJournal Articleen

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