Soil organic carbon monitoring to assess agricultural climate change adaptation practices in Navarre, Spain

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dc.contributor.authorAntón Sobejano, Rodrigo
dc.contributor.authorArricibita Bidegáin, Francisco Javier
dc.contributor.authorRuiz Sagaseta de Ilurdoz, Alberto
dc.contributor.authorEnrique Martín, Alberto
dc.contributor.authorDe Soto García, Isabel Sonsoles
dc.contributor.authorOrcaray Echeverría, Luis
dc.contributor.authorZaragüeta, Armelle
dc.contributor.authorVirto Quecedo, Íñigo
dc.contributor.departmentZientziakeu
dc.contributor.departmentInstitute on Innovation and Sustainable Development in Food Chain - ISFOODen
dc.contributor.departmentCienciases_ES
dc.contributor.funderUniversidad Pública de Navarra / Nafarroako Unibertsitate Publikoaes
dc.date.accessioned2022-02-09T12:50:38Z
dc.date.available2022-05-10T23:00:14Z
dc.date.issued2021
dc.description.abstractClimate change adaptation strategies are needed for agriculture, one of the most vulnerable human activities. In Navarre, North of Spain, ongoing adaptive management practices were identified and promoted in the framework of a regional adaptation strategy. Most include practices aiming to increase topsoil organic carbon (SOC) in agricultural land. In this work, the effectiveness of these practices (conservation agriculture, crop rotations, additions of organic matter, irrigation, and controlled grazing management) was assessed by means of monitoring SOC in a network of 159 agricultural fields across the region. These fields were selected across bioclimatic zones, where soil vulnerabilities and land-uses were previously assessed, to represent the most widespread conditions in the region. A sampling protocol designed to compare SOC stocks in plots with equal soil conditions within each zone, and with or without adaptive practices, allowed the determination of their effect size (measured as response ratios, RR). Exogenous organic matter addition was the most effective practice for SOC storage (RR 95% confidence interval (CI) [1.25–1.37]) across the region. Controlled grazing also resulted in net SOC gains (RR CI [1.13–1.42]) in temperate and semiarid grasslands. Conservation agriculture seemed to be more effective in the driest zone (RR CI [1.30–1.53]) than in the more humid ones (RR CI [0.98–1.21]). Irrigation also displayed a net positive effect (RR CI [1.17–1.34]), modulated by irrigated crop management, whereas crop rotations had an overall negative impact vs. monoculture (RR CI [0.84–0.96]), likely by their interaction with irrigation. These results confirm the variability in SOC responses to changes in management, and SOC as an indicator for assessing regional adaptation practices, although other biophysical, agronomic, and socio-economic factors also need to be accounted for.en
dc.description.sponsorshipThis work was funded by the European Commission LIFE program (Project LIFE Nadapta, LIFE 16 IPC/ES/000001). Rodrigo Antón was awarded a predoctoral fellowship by Universidad Pública de Navarra.en
dc.embargo.lift2022-05-10
dc.embargo.terms2022-05-10
dc.format.extent41 p.
dc.format.mimetypeapplication/pdfen
dc.identifier.doi10.1007/s10113-021-01788-w
dc.identifier.issn1436-3798
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/42138
dc.language.isoengen
dc.publisherSpringeren
dc.relation.ispartofRegional Environmental Change (2021) 21: 63en
dc.relation.publisherversionhttps://doi.org/10.1007/s10113-021-01788-w
dc.rights© The Author(s), under exclusive licence to Springer Nature B.V. 2021en
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.subject4per1000en
dc.subjectAdaptationen
dc.subjectRegional approachen
dc.subjectResponse ratioen
dc.subjectSoil organic carbonen
dc.titleSoil organic carbon monitoring to assess agricultural climate change adaptation practices in Navarre, Spainen
dc.typeinfo:eu-repo/semantics/article
dc.type.versioninfo:eu-repo/semantics/acceptedVersion
dspace.entity.typePublication
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relation.isAuthorOfPublication.latestForDiscovery234e884d-33c7-488e-b1ca-0319926c2819

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