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Registros recuperados : 17 | |
2. | | POTES, M. da L.; DICK, D. P.; DALMOLIN, R. S.; KNICKER, H.; ROSA, A. S. da. Matéria orgânica em neossolos de altitude: influência do manejo da pastagem na sua composição e teor. Revista Brasileira de Ciência do Solo, Viçosa, MG, v. 34, n. 1, p. 23-32, jan./fev. 2010. Título em Inglês: Soil organic matter in highland leptosols: influence of pasture management on composition and content. Biblioteca(s): Embrapa Solos / UEP-Recife. |
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3. | | DIEKOW, J.; MIELNICZUK, J.; GONZALEZ-VILA, F. J.; KNICKER, H.; BAYER, C.; MARTIN NETO, L. Matéria orgânica do solo em sistemas de culturas caracterizada por pirólise analítica. LATIN AMERICAM SYMPOSIUM ON SCANNING PROBE MICROSCOPY, 3., 2005, Ouro Preto. [Anais eletrônicos...]. Ouro Preto: SBMN, 2005. 1 CD-ROM. Biblioteca(s): Embrapa Instrumentação. |
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5. | | NOVOTNY, E. H.; KNICKER, H.; MARTIN NETO, L.; AZEREDO, R. B. V.; HAYES, M. H. B. Effect of residual vanadyl ions on the spectroscopic analysis of humic acids: a multivariate approach. European Journal of Soil Science, Oxford, v. 59, n. 3, p. 439-444, Jun. 2008. Biblioteca(s): Embrapa Solos. |
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10. | | GONZÁLEZ PÉREZ, M.; NUNO, C. S.; COLNAGO, L. A.; KNICKER, H.; TORRADO, P. V.; MARTIN NETO, L. Evaluation of magnetic field effect on quantification of aromatic components of humic acids by 13C CPMAS NMR. In: NUCLEAR MAGNETIC RESONANCE USERS MEETING, 11., 2007. Angra dos Reis.; WORKSHOP NMR IN SOUTH AMERICA, 2007. Angra dos Reis, RJ. Extended abstracts book... Angra dos reis, 2007. p. 101-102. Biblioteca(s): Embrapa Instrumentação. |
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11. | | NOVOTNY, E. H.; MARTIN-NETO, L.; KNICKER, H.; DE MARIA, I. C.; DECHEN, S. C. F.; VIEIRA, S. R. Efeito de diferentes sistemas de preparo do solo nos ácidos húmicos - caracterização pela espectroscopia de ressonância magnética nuclear de 13C. In: ENCONTRO BRASILEIRO DE SUBSTÂNCIAS HÚMICAS-IHSS, 4., 2001, Viçosa. IHSS 2001: resumos de palestras e trabalhos apresentados. Viçosa: UFV-Departamento de Solos: Grupo Brasileiro da IHSS, 2001. p. 129-131. Biblioteca(s): Embrapa Instrumentação. |
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13. | | LEAL, O. A.; DICK, D. P.; COSTA, F. de S.; KNICKER, H.; CARVALHO JÚNIOR, J. A. de; SANTOS, J. C. Carbon in physical fractions and organic matter chemical composition of an acrisol after amazon forest burning and conversion into pasture. Journal of the Brazilian Chemical Society, v. 30, n. 2, p. 413-424, 2019. Biblioteca(s): Embrapa Acre. |
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14. | | BOENI, M.; BAYAER, C.; DIECKOW, J.; CONCEIÇÃO, P. C.; DICK, D. P.; KNICKER, H.; SALTON, J. C.; MACEDO, M. C. M. Organic matter composition in density fractions of Cerrado Ferralsolsas revealed by CPMAS13C NMR: influence of pastureland, croplandand integrated crop-livestock. ,Agrculture, Ecosystems & Environment, Amsterdan v. 181, 2013. Biblioteca(s): Embrapa Agropecuária Oeste. |
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15. | | PÉREZ, M. G.; MARTIN-NETO, L.; SAAB, S. C.; NOVOTNY, E. H.; MILORI, D. M. B. P.; BAGNATO, V. S.; COLNAGO, L. A.; MELO, W. J.; KNICKER, H. Characterization of humic acids from a brazilian oxisol under different tillage systems by EPR, 13C NMR, FTIR and fluorescence spectroscopy. Geoderma, Amsterdam, v. 118, p. 181-190, 2004. Biblioteca(s): Embrapa Instrumentação. |
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16. | | DICK, D. P.; GONÇALVES, C. N.; DALMOLIN, R. S. D.; KNICKER, H.; KLAMT, E.; KÖGEL-KNABNER, I.; SIMÕES, M. L.; MARTIN-NETO, L. Characteristics of soil organic matter of different Brazilian ferrasols under native vegetation as a function of soil depth. Geoderma: an international journal of soil science , Amsterdam, v. 124, n. 3-4, p. 319-333, Feb. 2005. Disponível em: . Acesso em: 10 jan. 2006. Biblioteca(s): Embrapa Instrumentação. |
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17. | | LEAL, O. dos A.; JIMÉNEZ-MORILLO, N. T.; GONZÁLEZ-PÉREZ, J. A.; KNICKER, H.; COSTA, F. de S.; JIMÉNEZ-MORILLO, P. N.; CARVALHO JUNIOR, J. A. de; SANTOS, J. C. dos; DICK, D. P. Soil organic matter molecular composition shifts driven by forest regrowth or pasture after slash-and-burn of Amazon Forest. International Journal of Environmental Research and Public Health, v. 20, n. 4, 3485, Feb. 2023. Biblioteca(s): Embrapa Acre. |
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Registros recuperados : 17 | |
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Registro Completo
Biblioteca(s): |
Embrapa Acre. |
Data corrente: |
17/02/2023 |
Data da última atualização: |
17/05/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
LEAL, O. dos A.; JIMÉNEZ-MORILLO, N. T.; GONZÁLEZ-PÉREZ, J. A.; KNICKER, H.; COSTA, F. de S.; JIMÉNEZ-MORILLO, P. N.; CARVALHO JUNIOR, J. A. de; SANTOS, J. C. dos; DICK, D. P. |
Afiliação: |
OTÁVIO DOS ANJOS LEAL, INSTITUTE OF BIO AND GESOCIENCE AGROSPHERE; NICASIO T. JIMÉNEZ-MORILLO, UNIVERSIDADE DE ÉVORA /I NSTITUTO DE RECURSOS NATURALES Y AGROBIOLOGÍA DE SEVILLA; JOSÉ A. GONZÁLEZ-PÉREZ, INSTITUTO DE RECURSOS NATURALES Y AGROBIOLOGÍA DE SEVILLA; HEIKE KNICKER, INSTITUTO DE RECURSOS NATURALES Y AGROBIOLOGÍA DE SEVILLA; FALBERNI DE SOUZA COSTA, CPAF-AC; PEDRO N. JIMÉNEZ-MORILLO, UNIVERSIDAD PABLO DE OLAVIDE; JOÃO ANDRADE DE CARVALHO JÚNIOR, UNIVERSIDADE ESTADUAL PAULISTA; JOSÉ CARLOS DOS SANTOS, INSTITUTO NACIONAL DE PESQUISAS ESPACIAIS; DEBORAH PINHEIRO DICK, UNIVESIDADE FEDERAL DO RIO GRANDE DO SUL. |
Título: |
Soil organic matter molecular composition shifts driven by forest regrowth or pasture after slash-and-burn of Amazon Forest. |
Ano de publicação: |
2023 |
Fonte/Imprenta: |
International Journal of Environmental Research and Public Health, v. 20, n. 4, 3485, Feb. 2023. |
ISSN: |
1661-7827 (impresso) / 1660-4601 (online) |
DOI: |
https://doi.org/10.3390/ijerph20043485 |
Idioma: |
Inglês |
Conteúdo: |
Slash-and-burn of Amazon Forest (AF) for pasture establishment has increased the occurrence of AF wildfires. Recent studies emphasize soil organic matter (SOM) molecular composition as a principal driver of post-fire forest regrowth and restoration of AF anti-wildfire ambience. Nevertheless, SOM chemical shifts caused by AF fires and post-fire vegetation are rarely investigated at a molecular level. We employed pyrolysis-gas chromatography-mass spectrometry to reveal molecular changes in SOM (0?10, 40?50 cm depth) of a slash-burn-and-20-month-regrowth AF (BAF) and a 23-year Brachiaria pasture post-AF fire (BRA) site compared to native AF (NAF). In BAF (0-10 cm), increased abundance of unspecific aromatic compounds (UACs), polycyclic aromatic hydrocarbons (PAHs) and lipids (Lip) coupled with a depletion of polysaccharides (Pol) revealed strong lingering effects of fire on SOM. This occurs despite fresh litter deposition on soil, suggesting SOM minimal recovery and toxicity to microorganisms. Accumulation of recalcitrant compounds and slow decomposition of fresh forest material may explain the higher carbon content in BAF (0?5 cm). In BRA, SOM was dominated by Brachiaria contributions. At 40?50 cm, alkyl and hydroaromatic compounds accumulated in BRA, whereas UACs accumulated in BAF. UACs and PAH compounds were abundant in NAF, possibly air-transported from BAF. |
Palavras-Chave: |
Acre; Acrisoles; Amazonia Occidental; Amazônia Ocidental; Analytical pyrolysis; Asentamiento humano; Assentamento Santa Luzia (AC); Composição molecular; Composición molecular; Cruzeiro do Sul (AC); Derruba-e-queima; Materia orgánica del suelo; Molecular composition; Nitroalcanos; Nitroalkanes; Pastizales; Química del suelo; Regeneración natural; Slash-and-burn agriculture; Van Krevelen 3D diagram; Western Amazon. |
Thesagro: |
Brachiaria; Cultivo Migratório; Matéria Orgânica; Pastagem; Química do Solo; Regeneração Natural; Sistema de Cultivo; Solo. |
Thesaurus NAL: |
Acrisols; Human settlements; Natural regeneration; Pastures; Shifting cultivation; Soil chemistry; Soil organic matter. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1151856/1/27424.pdf
|
Marc: |
LEADER 03468naa a2200673 a 4500 001 2151856 005 2023-05-17 008 2023 bl uuuu u00u1 u #d 022 $a1661-7827 (impresso) / 1660-4601 (online) 024 7 $ahttps://doi.org/10.3390/ijerph20043485$2DOI 100 1 $aLEAL, O. dos A. 245 $aSoil organic matter molecular composition shifts driven by forest regrowth or pasture after slash-and-burn of Amazon Forest.$h[electronic resource] 260 $c2023 520 $aSlash-and-burn of Amazon Forest (AF) for pasture establishment has increased the occurrence of AF wildfires. Recent studies emphasize soil organic matter (SOM) molecular composition as a principal driver of post-fire forest regrowth and restoration of AF anti-wildfire ambience. Nevertheless, SOM chemical shifts caused by AF fires and post-fire vegetation are rarely investigated at a molecular level. We employed pyrolysis-gas chromatography-mass spectrometry to reveal molecular changes in SOM (0?10, 40?50 cm depth) of a slash-burn-and-20-month-regrowth AF (BAF) and a 23-year Brachiaria pasture post-AF fire (BRA) site compared to native AF (NAF). In BAF (0-10 cm), increased abundance of unspecific aromatic compounds (UACs), polycyclic aromatic hydrocarbons (PAHs) and lipids (Lip) coupled with a depletion of polysaccharides (Pol) revealed strong lingering effects of fire on SOM. This occurs despite fresh litter deposition on soil, suggesting SOM minimal recovery and toxicity to microorganisms. Accumulation of recalcitrant compounds and slow decomposition of fresh forest material may explain the higher carbon content in BAF (0?5 cm). In BRA, SOM was dominated by Brachiaria contributions. At 40?50 cm, alkyl and hydroaromatic compounds accumulated in BRA, whereas UACs accumulated in BAF. UACs and PAH compounds were abundant in NAF, possibly air-transported from BAF. 650 $aAcrisols 650 $aHuman settlements 650 $aNatural regeneration 650 $aPastures 650 $aShifting cultivation 650 $aSoil chemistry 650 $aSoil organic matter 650 $aBrachiaria 650 $aCultivo Migratório 650 $aMatéria Orgânica 650 $aPastagem 650 $aQuímica do Solo 650 $aRegeneração Natural 650 $aSistema de Cultivo 650 $aSolo 653 $aAcre 653 $aAcrisoles 653 $aAmazonia Occidental 653 $aAmazônia Ocidental 653 $aAnalytical pyrolysis 653 $aAsentamiento humano 653 $aAssentamento Santa Luzia (AC) 653 $aComposição molecular 653 $aComposición molecular 653 $aCruzeiro do Sul (AC) 653 $aDerruba-e-queima 653 $aMateria orgánica del suelo 653 $aMolecular composition 653 $aNitroalcanos 653 $aNitroalkanes 653 $aPastizales 653 $aQuímica del suelo 653 $aRegeneración natural 653 $aSlash-and-burn agriculture 653 $aVan Krevelen 3D diagram 653 $aWestern Amazon 700 1 $aJIMÉNEZ-MORILLO, N. T. 700 1 $aGONZÁLEZ-PÉREZ, J. A. 700 1 $aKNICKER, H. 700 1 $aCOSTA, F. de S. 700 1 $aJIMÉNEZ-MORILLO, P. N. 700 1 $aCARVALHO JUNIOR, J. A. de 700 1 $aSANTOS, J. C. dos 700 1 $aDICK, D. P. 773 $tInternational Journal of Environmental Research and Public Health$gv. 20, n. 4, 3485, Feb. 2023.
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