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Resumen
In ecosystems, soil microbial variables characterization are used to determine soil biological health and the response of soils to environmental stress. Although there are strong associations between plants and soil microorganisms, they may respond asynchronously to environmental factors and severe droughts. We aimed to: I) evaluate the special variation of soil microbiome such as microbial biomass carbon (MBC) and nitrogen (MBN), soil basal respiration
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dc.contributor.author | Toledo, Santiago | |
dc.contributor.author | Bondaruk, Viviana F. | |
dc.contributor.author | Yahdjian, Laura | |
dc.contributor.author | Oñatibia, Gastón Rafael | |
dc.contributor.author | Loydi, Alejandro | |
dc.contributor.author | Alberti, Juan | |
dc.contributor.author | Bruschetti, Martín | |
dc.contributor.author | Pascual, Jesús | |
dc.contributor.author | Peter, Guadalupe | |
dc.contributor.author | Agüero, Walter Damian | |
dc.contributor.author | Namur, Pedro Ramón | |
dc.contributor.author | Blanco, Lisandro Javier | |
dc.contributor.author | Peri, Pablo Luis | |
dc.date.accessioned | 2023-06-26T10:22:16Z | |
dc.date.available | 2023-06-26T10:22:16Z | |
dc.date.issued | 2023-09 | |
dc.identifier.issn | 0048-9697 | |
dc.identifier.issn | 1879-1026 | |
dc.identifier.other | https://doi.org/10.1016/j.scitotenv.2023.164406 | |
dc.identifier.uri | http://hdl.handle.net/20.500.12123/14658 | |
dc.identifier.uri | https://www.sciencedirect.com/science/article/abs/pii/S0048969723030279 | |
dc.description.abstract | In ecosystems, soil microbial variables characterization are used to determine soil biological health and the response of soils to environmental stress. Although there are strong associations between plants and soil microorganisms, they may respond asynchronously to environmental factors and severe droughts. We aimed to: I) evaluate the special variation of soil microbiome such as microbial biomass carbon (MBC) and nitrogen (MBN), soil basal respiration (SBR) and microbial indexes in eight rangeland sites located across an aridity gradient (distributed from arid to mesic climates); II) analyze the relative importance of main environmental factors (climate, soils, and plants) and their relationships with microbial variables in the rangelands; and III) assess the effect of drought on microbial and plant variables in field-based manipulative experiments. First, we found significant changes of microbial variables along a precipitation and temperature gradient. The responses of MBC and MBN were strongly dependent on soil pH, soil nitrogen (N), soil organic carbon (SOC), C:N ratio and vegetation cover. In contrast, SBR was influenced by the aridity index (AI), the mean annual precipitation (MAP), the soil pH and vegetation cover. MBC, MBN and SBR were negatively related with soil pH compared to the other factors (C, N, C:N, vegetation cover, MAP and AI) that had a positive relationship. Second, we found a stronger soil microbial variables response to drought in arid sites compared to humid rangelands. Third, the responses of MBC, MBN, and SBR to drought showed positive relationships with vegetation cover and aboveground biomass, but with different regression slopes, this suggest that plant and microbial communities responded differently to drought. The results from this study improve our understanding about the microbial response to drought in different rangelands, and may facilitate the development of predictive models on responses of soil microorganisms in carbon cycle under global change scenarios. | eng |
dc.format | application/pdf | es_AR |
dc.language.iso | eng | es_AR |
dc.publisher | Elsevier | es_AR |
dc.rights | info:eu-repo/semantics/restrictedAccess | es_AR |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-sa/4.0/ | es_AR |
dc.source | Science of The Total Environment 892 : 164406 (September 2023) | es_AR |
dc.subject | Factores Ambientales | es_AR |
dc.subject | Environmental Factors | eng |
dc.subject | Tierras de Pastos | es_AR |
dc.subject | Rangelands | eng |
dc.subject | Ecosistema | es_AR |
dc.subject | Ecosystems | eng |
dc.subject | Suelo | es_AR |
dc.subject | Soil | eng |
dc.subject | Sequía | es_AR |
dc.subject | Drought | eng |
dc.subject | Microorganismos del Suelo | es_AR |
dc.subject | Soil Microorganisms | eng |
dc.title | Environmental factors regulate soilmicrobial attributes and their response to drought in rangeland ecosystems | es_AR |
dc.type | info:ar-repo/semantics/artículo | es_AR |
dc.type | info:eu-repo/semantics/article | es_AR |
dc.type | info:eu-repo/semantics/publishedVersion | es_AR |
dc.rights.license | Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) | es_AR |
dc.description.origen | EEA La Rioja | es_AR |
dc.description.fil | Fil: Toledo, Santiago. Consejo Nacional de Investigaciones Científicas y Técnicas. CIT Santa Cruz; Argentina. | es_AR |
dc.description.fil | Fil: Toledo, Santiago. Universidad Nacional de la Patagonia Austral; Argentina. | es_AR |
dc.description.fil | Fil: Bondaruk, Viviana F. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura; Argentina | es_AR |
dc.description.fil | Fil: Bondaruk, Viviana F. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura; Argentina | es_AR |
dc.description.fil | Fil: Bondaruk, Viviana F. Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Recursos Naturales y Ambiente. Cátedra de Ecología; Argentina | es_AR |
dc.description.fil | Fil: Yahdjian, Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura; Argentina | es_AR |
dc.description.fil | Fil: Yahdjian, Laura. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura; Argentina | es_AR |
dc.description.fil | Fil: Yahdjian, Laura. Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Recursos Naturales y Ambiente. Cátedra de Ecología; Argentina | es_AR |
dc.description.fil | Fil: Oñatibia, Gastón R. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura; Argentina | es_AR |
dc.description.fil | Fil: Oñatibia, Gastón R. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura; Argentina | es_AR |
dc.description.fil | Fil: Oñatibia, Gastón R. Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Recursos Naturales y Ambiente. Cátedra de Ecología; Argentina | es_AR |
dc.description.fil | Fil: Loydi, Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Recursos Naturales Renovables de la Zona Semiárida; Argentina | es_AR |
dc.description.fil | Fil: Loydi, Alejandro. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; Argentina | es_AR |
dc.description.fil | Fil: Alberti, Juan. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones Marinas y Costeras (IIMyC); Argentina. | es_AR |
dc.description.fil | Fil: Alberti, Juan. Universidad Nacional de Mar del Plata. Instituto de Investigaciones Marinas y Costeras (IIMyC); Argentina. | es_AR |
dc.description.fil | Fil: Brusquetti, Martín. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones Marinas y Costeras; Argentina | es_AR |
dc.description.fil | Fil: Brusquetti, Martín. Universidad Nacional de Mar del Plata. Instituto de Investigaciones Marinas y Costeras; Argentina | es_AR |
dc.description.fil | Fil: Pascual, Jesús. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones Marinas y Costeras; Argentina | es_AR |
dc.description.fil | Fil: Pascual, Jesús. Universidad Nacional de Mar del Plata. Instituto de Investigaciones Marinas y Costeras; Argentina | es_AR |
dc.description.fil | Fil: Peter, Guadalupe. Universidad Nacional de Río Negro; Argentina | es_AR |
dc.description.fil | Fil: Peter, Guadalupe. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina | es_AR |
dc.description.fil | Fil: Agüero, Walter Damian. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Rioja; Argentina | es_AR |
dc.description.fil | Fil: Namur, Pedro Ramón. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Rioja; Argentina | es_AR |
dc.description.fil | Fil: Blanco, Lisandro Javier. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Rioja; Argentina | es_AR |
dc.description.fil | Fil: Peri, Pablo Luis. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Santa Cruz; Argentina. | es_AR |
dc.description.fil | Fil: Peri, Pablo Luis. Universidad Nacional de la Patagonia Austral; Argentina. | es_AR |
dc.description.fil | Fil: Peri, Pablo Luis. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. | es_AR |
dc.subtype | cientifico |
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