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Resumen
Drought is an increasingly common phenomenon in drylands as a consequence of climate change. We used 311 sites across a broad range of environmental conditions in Patagonian rangelands to evaluate how drought severity and temperature (abiotic factors) and vegetation structure (biotic factors) modulate the impact of a drought event on the annual integral of normalized difference vegetation index (NDVI-I), our surrogate of ecosystem functioning. We found
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dc.contributor.author | Gaitan, Juan Jose | |
dc.contributor.author | Bran, Donaldo Eduardo | |
dc.contributor.author | Oliva, Gabriel Esteban | |
dc.contributor.author | Maestre, Fernando Tomás | |
dc.contributor.author | Aguiar, Martín Roberto | |
dc.contributor.author | Jobbagy Gampel, Esteban Gabriel | |
dc.contributor.author | Buono, Gustavo Gabriel | |
dc.contributor.author | Ferrante, Daniela | |
dc.contributor.author | Nakamatsu, Viviana Beatriz | |
dc.contributor.author | Ciari, Georgina | |
dc.contributor.author | Salomone, Jorge Manuel | |
dc.contributor.author | Massara Paletto, Virginia | |
dc.coverage.spatial | Patagonia (general region) | eng |
dc.date.accessioned | 2017-09-01T15:28:18Z | |
dc.date.available | 2017-09-01T15:28:18Z | |
dc.date.issued | 2014-10-22 | |
dc.identifier.issn | 1744-9561 | |
dc.identifier.uri | http://hdl.handle.net/20.500.12123/1107 | |
dc.identifier.uri | http://rsbl.royalsocietypublishing.org/content/roybiolett/10/10/20140673.full.pdf | |
dc.identifier.uri | http://rsbl.royalsocietypublishing.org/content/10/10/20140673 | |
dc.description.abstract | Drought is an increasingly common phenomenon in drylands as a consequence of climate change. We used 311 sites across a broad range of environmental conditions in Patagonian rangelands to evaluate how drought severity and temperature (abiotic factors) and vegetation structure (biotic factors) modulate the impact of a drought event on the annual integral of normalized difference vegetation index (NDVI-I), our surrogate of ecosystem functioning. We found that NDVI-I decreases were larger with both increasing drought severity and temperature. Plant species richness (SR) and shrub cover (SC) attenuated the effects of drought on NDVI-I. Grass cover did not affect the impacts of drought on NDVI-I. Our results suggest that warming and species loss, two important imprints of global environmental change, could increase the vulnerability of Patagonian ecosystems to drought. Therefore, maintaining SR through appropriate grazing management can attenuate the adverse effects of climate change on ecosystem functioning. | eng |
dc.format | application/pdf | es_AR |
dc.language.iso | eng | es_AR |
dc.rights | info:eu-repo/semantics/openAccess | es_AR |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-sa/4.0/ | |
dc.source | Biology letters 10 (10) : 1-4. (October 2014) | |
dc.subject | Pastizal Natural | es_AR |
dc.subject | Natural Pastures | eng |
dc.subject | Factores Ambientales | |
dc.subject | Environmental Factors | eng |
dc.subject | Sequía | |
dc.subject | Drought | eng |
dc.subject | Cubierta Vegetal | |
dc.subject | Plant Cover | eng |
dc.subject | Ecosistema | |
dc.subject | Pastizales | |
dc.subject | Pastures | eng |
dc.subject.other | Región Patagonica | |
dc.title | Plant species richness and shrub cover attenuate drought effects on ecosystem functioning across Patagonian rangelands | 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 | eng |
dc.rights.license | Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) | |
dc.description.fil | Fil: Gaitan, Juan Jose. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Bariloche; Argentina | |
dc.description.fil | Fil: Bran, Donaldo Eduardo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Bariloche; Argentina | |
dc.description.fil | Fil: Oliva, Gabriel Esteban. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Santa Cruz; Argentina | |
dc.description.fil | Fil: Maestre, Fernando T. Universidad Rey Juan Carlos. Escuela Superior de Ciencias Experimentales y Tecnología. Departamento de Biología y Geología, Física y Química Inorgánica; España | |
dc.description.fil | Fil: Aguiar, Martin Roberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura; Argentina | |
dc.description.fil | Fil: Jobbagy Gampel, Esteban Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Matemática Aplicada de San Luis "Prof. Ezio Marchi". Universidad Nacional de San Luis. Facultad de Ciencias Físico, Matemáticas y Naturales. Instituto de Matemática Aplicada de San Luis; Argentina | |
dc.description.fil | Fil: Buono, Gustavo Gabriel. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Chubut; Argentina | |
dc.description.fil | Fil: Ferrante, Daniela. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Santa Cruz; Argentina | |
dc.description.fil | Fil: Nakamatsu, Viviana Beatriz. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Chubut; Argentina | |
dc.description.fil | Fil: Ciari, Georgina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Esquel; Argentina | |
dc.description.fil | Fil: Salomone, Jorge Manuel. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Chubut; Argentina | |
dc.description.fil | Fil: Massara Paletto, Virginia. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Chubut; Argentina | |
dc.subtype | cientifico |
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