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 | Acesso ao texto completo restrito à biblioteca da Embrapa Caprinos e Ovinos. Para informações adicionais entre em contato com cnpc.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
10/09/2021 |
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Data da última atualização: |
09/05/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
PINHEIRO, F. M.; NAIR, O. K. R.; NAIR, V. D.; TONUCCI, R. G.; VENTURIN, R. P. |
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Afiliação: |
FELIPE M. PINHEIRO, UNIVERSITY OF FLORIDA; P. K. RAMACHANDRAN NAIR, UNIVERSITY OF FLORIDA; VIMALA D. NAIR, UNIVERSITY OF FLORIDA; RAFAEL GONCALVES TONUCCI, CNPC; REGIS P. VENTURIN, EPAMIG SUL. |
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Título: |
Soil carbon stock and stability under Eucalyptus-based silvopasture and other land-use systems in the Cerrado biodiversity hotspot. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Journal of Environmental Management, v. 229, e113676, Dec. 2021. |
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DOI: |
https://doi.org/10.1016/j.jenvman.2021.113676 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: During the past few decades, commercial silvopastoral systems (SPS) with exotic Eucalyptus (hybrid) trees have become popular in the Brazilian Cerrado (savanna). With the increasing awareness about the role of carbon (C) storage in soils as a climate-change mitigation strategy and the relationship between the nature of soil aggregates and the soil?s carbon sequestration potential, it is important to understand the influence of such SPS systems on soil organic carbon (SOC) storage. We studied C content in three aggregate size classes in six land-use systems on Oxisols in Minas Gerais, Brazil. The systems were planted forest, native secondary forest, managed pasture, and three 8-year-old SPS, differing in their tree-planting configurations. Eucalyptus hybrid was the tree in SPS and planted forest treatments, and Urochloa decumbens was the grass in SPS and pasture treatments. From each treatment, replicated soil samples were collected from four depth-classes (0?10, 10?30, 30?60, and 60?100 cm), fractionated by wet sieving into the three aggregate-size classes, 2000 to 250 ?m, 250 to 53 ?m, and <53 ?m size classes representing macroaggregates, microaggregates, and silt +clay, respectively, and their C contents determined. Down to 1 m, total SOC stock values ranged from 260 Mg ha. |
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Palavras-Chave: |
Agroforestry systems; Bioma Cerrado; Climate change mitigation; Macroaggregates. |
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Thesaurus NAL: |
Agroecosystems; Agroforestry; Biomass; Brazil; Carbon sequestration; Cerrado soils; Soil organic carbon. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02292naa a2200313 a 4500
001 2134183
005 2024-05-09
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.jenvman.2021.113676$2DOI
100 1 $aPINHEIRO, F. M.
245 $aSoil carbon stock and stability under Eucalyptus-based silvopasture and other land-use systems in the Cerrado biodiversity hotspot.$h[electronic resource]
260 $c2021
520 $aAbstract: During the past few decades, commercial silvopastoral systems (SPS) with exotic Eucalyptus (hybrid) trees have become popular in the Brazilian Cerrado (savanna). With the increasing awareness about the role of carbon (C) storage in soils as a climate-change mitigation strategy and the relationship between the nature of soil aggregates and the soil?s carbon sequestration potential, it is important to understand the influence of such SPS systems on soil organic carbon (SOC) storage. We studied C content in three aggregate size classes in six land-use systems on Oxisols in Minas Gerais, Brazil. The systems were planted forest, native secondary forest, managed pasture, and three 8-year-old SPS, differing in their tree-planting configurations. Eucalyptus hybrid was the tree in SPS and planted forest treatments, and Urochloa decumbens was the grass in SPS and pasture treatments. From each treatment, replicated soil samples were collected from four depth-classes (0?10, 10?30, 30?60, and 60?100 cm), fractionated by wet sieving into the three aggregate-size classes, 2000 to 250 ?m, 250 to 53 ?m, and <53 ?m size classes representing macroaggregates, microaggregates, and silt +clay, respectively, and their C contents determined. Down to 1 m, total SOC stock values ranged from 260 Mg ha.
650 $aAgroecosystems
650 $aAgroforestry
650 $aBiomass
650 $aBrazil
650 $aCarbon sequestration
650 $aCerrado soils
650 $aSoil organic carbon
653 $aAgroforestry systems
653 $aBioma Cerrado
653 $aClimate change mitigation
653 $aMacroaggregates
700 1 $aNAIR, O. K. R.
700 1 $aNAIR, V. D.
700 1 $aTONUCCI, R. G.
700 1 $aVENTURIN, R. P.
773 $tJournal of Environmental Management$gv. 229, e113676, Dec. 2021.
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