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Registro Completo |
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Biblioteca(s): |
Embrapa Solos. |
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Data corrente: |
25/10/2024 |
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Data da última atualização: |
25/10/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
PINHEIRO JUNIOR, C. R.; CANISARES, L. P.; ABREU, M. C.; LYRA, G. B.; OLIVEIRA, A. P. de; GRESCHUK, L. T.; FERREIRA, T. O.; PEREIRA, M. G.; ANJOS, L. H. C. dos; CHERUBIN, M. R. |
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Afiliação: |
CARLOS ROBERTO PINHEIRO JUNIOR, UNIVERSIDADE DE SÃO PAULO; LUCAS PECCI CANISARES, UNIVERSIDADE DE SÃO PAULO; MARCEL CARVALHO ABREU, UNIVERSIDADE FEDERAL RURAL DO RIO DE JANEIRO; GUSTAVO BASTOS LYRA, UNIVERSIDADE FEDERAL RURAL DO RIO DE JANEIRO; ALINE PACOBAHYBA DE OLIVEIRA, CNPS; LUCAS TADEU GRESCHUK, UNIVERSIDADE DE SÃO PAULO; TIAGO OSÓRIO FERREIRA, UNIVERSIDADE DE SÃO PAULO; MARCOS GERVASIO PEREIRA, UNIVERSIDADE FEDERAL RURAL DO RIO DE JANEIRO; LÚCIA HELENA CUNHA DOS ANJOS, UNIVERSIDADE FEDERAL RURAL DO RIO DE JANEIRO; MAURÍCIO ROBERTO CHERUBIN, UNIVERSIDADE DE SÃO PAULO. |
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Título: |
Drivers of carbon stabilization and sequestration in Brazil's black soils. |
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Ano de publicação: |
2024 |
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Fonte/Imprenta: |
Catena, v. 246, 108451, Nov. 2024. |
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DOI: |
https://doi.org/10.1016/j.catena.2024.108451 |
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Idioma: |
Inglês |
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Conteúdo: |
Climate and land use are recognized as two of the main drivers of changes in soil organic carbon (SOC) on a global scale. Both factors play an important role in understanding SOC sequestration and mitigation of climate change. Particularly important, black soils are mineral soils with high SOC contents and high natural fertility and play an important role in national and global food and climate security. Here, we used a database of 90 black soils in Brazil − under different climate and land use conditions across the country − to test the hypothesis that C stock is richer in wetter climate conditions and that agricultural land use reduces C stock and the percentage of carbon saturation (PCS%). Climate data were obtained from the National Oceanic Atmospheric Administration (NOAA) and used to classify Thornthwaite’s climate. The land use information was obtained in the MapBiomas platform and was grouped into three major types: cropland, pasture, and native vegetation. The nonparametric Kruskal-Wallis test showed no differences for C stock, C/N ratio, and PCS% for both land use and climate. The low C/N ratio and the strong correlation between Ca2+, CEC, clay, and SOC suggest that organo-mineral interactions − which are stronger in soils with high-activity clays (e.g., Chernozems, Kastanozems, and Phaeozems) − promotes greater stabilization of the SOC and its long-term persistence and, thus being less sensitive to variations in climate and land use. Considering the total area of approximately 3.7 × 106 ha and the average value of C stock of 93.2 Mg/ha, the total SOC stored in Brazil’s black soils is in the order of 0.35 Gt, and the carbon stock stabilization potential is 0.25 Gt. Our results highlight the potential of Brazil’s black soils to promote carbon sequestration and climate change mitigation. MenosClimate and land use are recognized as two of the main drivers of changes in soil organic carbon (SOC) on a global scale. Both factors play an important role in understanding SOC sequestration and mitigation of climate change. Particularly important, black soils are mineral soils with high SOC contents and high natural fertility and play an important role in national and global food and climate security. Here, we used a database of 90 black soils in Brazil − under different climate and land use conditions across the country − to test the hypothesis that C stock is richer in wetter climate conditions and that agricultural land use reduces C stock and the percentage of carbon saturation (PCS%). Climate data were obtained from the National Oceanic Atmospheric Administration (NOAA) and used to classify Thornthwaite’s climate. The land use information was obtained in the MapBiomas platform and was grouped into three major types: cropland, pasture, and native vegetation. The nonparametric Kruskal-Wallis test showed no differences for C stock, C/N ratio, and PCS% for both land use and climate. The low C/N ratio and the strong correlation between Ca2+, CEC, clay, and SOC suggest that organo-mineral interactions − which are stronger in soils with high-activity clays (e.g., Chernozems, Kastanozems, and Phaeozems) − promotes greater stabilization of the SOC and its long-term persistence and, thus being less sensitive to variations in climate and land use. Considering the total area of ... Mostrar Tudo |
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Palavras-Chave: |
Chernossolo; Interações organominerais; Organo-mineral interactions. |
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Thesagro: |
Matéria Orgânica; Solo. |
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Thesaurus Nal: |
Chernozems; Kastanozems; Phaeozems; Soil organic matter. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02848naa a2200349 a 4500
001 2168510
005 2024-10-25
008 2024 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.catena.2024.108451$2DOI
100 1 $aPINHEIRO JUNIOR, C. R.
245 $aDrivers of carbon stabilization and sequestration in Brazil's black soils.$h[electronic resource]
260 $c2024
520 $aClimate and land use are recognized as two of the main drivers of changes in soil organic carbon (SOC) on a global scale. Both factors play an important role in understanding SOC sequestration and mitigation of climate change. Particularly important, black soils are mineral soils with high SOC contents and high natural fertility and play an important role in national and global food and climate security. Here, we used a database of 90 black soils in Brazil − under different climate and land use conditions across the country − to test the hypothesis that C stock is richer in wetter climate conditions and that agricultural land use reduces C stock and the percentage of carbon saturation (PCS%). Climate data were obtained from the National Oceanic Atmospheric Administration (NOAA) and used to classify Thornthwaite’s climate. The land use information was obtained in the MapBiomas platform and was grouped into three major types: cropland, pasture, and native vegetation. The nonparametric Kruskal-Wallis test showed no differences for C stock, C/N ratio, and PCS% for both land use and climate. The low C/N ratio and the strong correlation between Ca2+, CEC, clay, and SOC suggest that organo-mineral interactions − which are stronger in soils with high-activity clays (e.g., Chernozems, Kastanozems, and Phaeozems) − promotes greater stabilization of the SOC and its long-term persistence and, thus being less sensitive to variations in climate and land use. Considering the total area of approximately 3.7 × 106 ha and the average value of C stock of 93.2 Mg/ha, the total SOC stored in Brazil’s black soils is in the order of 0.35 Gt, and the carbon stock stabilization potential is 0.25 Gt. Our results highlight the potential of Brazil’s black soils to promote carbon sequestration and climate change mitigation.
650 $aChernozems
650 $aKastanozems
650 $aPhaeozems
650 $aSoil organic matter
650 $aMatéria Orgânica
650 $aSolo
653 $aChernossolo
653 $aInterações organominerais
653 $aOrgano-mineral interactions
700 1 $aCANISARES, L. P.
700 1 $aABREU, M. C.
700 1 $aLYRA, G. B.
700 1 $aOLIVEIRA, A. P. de
700 1 $aGRESCHUK, L. T.
700 1 $aFERREIRA, T. O.
700 1 $aPEREIRA, M. G.
700 1 $aANJOS, L. H. C. dos
700 1 $aCHERUBIN, M. R.
773 $tCatena$gv. 246, 108451, Nov. 2024.
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Embrapa Solos (CNPS) |
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