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Registro Completo |
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Biblioteca(s): |
Embrapa Semiárido. |
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Data corrente: |
04/04/2017 |
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Data da última atualização: |
04/05/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
DURIGAN, M. R.; CHERUBIN, M. R.; CAMARGO, P. B. de; FERREIRA, J. N.; BERENGUER, E.; GARDNER, T. A.; BARLOW, J.; DIAS, C. T. dos S.; SIGNOR, D.; OLIVEIRA JUNIOR, R. C. de; CERRI, C. E. P. |
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Afiliação: |
MARIANA REGINA DURIGAN, ESALQ/USP; MAURÍCIO ROBERTO CHERUBIN, CENA/USP; PLÍNIO BARBOSA DE CAMARGO, CENA/USP; JOICE NUNES FERREIRA, CPATU; ERIKA BERENGUER, Lancaster University / University of Oxford; TOBY ALAN GARDNER, International Institute for Sustainability / Stockholm Environment Institute; JOS BARLOW, Lancaster University / MPEG; CARLOS TADEU DOS SANTOS DIAS, ESALQ/USP; DIANA SIGNOR DEON, CPATSA; RAIMUNDO COSME DE OLIVEIRA JUNIOR, CPATU; CARLOS EDUARDO PELLEGRINO CERRI, ESALQ/USP. |
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Título: |
Soil organic matter responses to anthropogenic forest disturbance and land use change in the Eastern Brazilian Amazon. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Sustainability, v. 9, n. 3, Mar. 2017. |
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ISSN: |
2071-1050 |
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DOI: |
http://dx.doi.org/10.3390/su9030379 |
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Idioma: |
Inglês |
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Conteúdo: |
Anthropogenic forest disturbance and land use change (LUC) in the Amazon region is the main source of greenhouse gas emissions to the atmosphere in Brazil, due to the carbon (C) and nitrogen (N) emitted from vegetation clearance. Land use conversion associated with management practices plays a key role in the distribution and origin of C in different soil organic matter (SOM) fractions. Here, we show how changing land use systems have influenced soil C and N stocks, SOM physical fractions, and the origin of SOM in the Santarém region of the eastern Brazilian Amazon. Soil C and N stocks were calculated for the surface layer of 0?30 cm. Anthropogenic disturbances to the standing forest, such as selective logging and wildfires, led to significant declines in soil C and N stocks. However, in the long-term, the conversion of the Amazon forest to pasture did not have a noticeable effect on soil C and N stocks, presumably because of additional inputs from pasture grasses. However, the conversion to cropland did lead to reductions in soil C and N content. According to the physical fractionation of SOM, LUC altered SOM quality, but silt and clay remained the combined fraction that contributed the most to soil C storage. Our results emphasize the importance of implementing more sustainable forest management systems, whilst also calling further attention to the need for fire monitoring systems, helping to ensure the resilience of C and N stocks and sequestration in forest soils; thereby contributing towards urgently needed ongoing efforts to mitigate climate change MenosAnthropogenic forest disturbance and land use change (LUC) in the Amazon region is the main source of greenhouse gas emissions to the atmosphere in Brazil, due to the carbon (C) and nitrogen (N) emitted from vegetation clearance. Land use conversion associated with management practices plays a key role in the distribution and origin of C in different soil organic matter (SOM) fractions. Here, we show how changing land use systems have influenced soil C and N stocks, SOM physical fractions, and the origin of SOM in the Santarém region of the eastern Brazilian Amazon. Soil C and N stocks were calculated for the surface layer of 0?30 cm. Anthropogenic disturbances to the standing forest, such as selective logging and wildfires, led to significant declines in soil C and N stocks. However, in the long-term, the conversion of the Amazon forest to pasture did not have a noticeable effect on soil C and N stocks, presumably because of additional inputs from pasture grasses. However, the conversion to cropland did lead to reductions in soil C and N content. According to the physical fractionation of SOM, LUC altered SOM quality, but silt and clay remained the combined fraction that contributed the most to soil C storage. Our results emphasize the importance of implementing more sustainable forest management systems, whilst also calling further attention to the need for fire monitoring systems, helping to ensure the resilience of C and N stocks and sequestration in forest soils; thereb... Mostrar Tudo |
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Palavras-Chave: |
Manejo de solo; Mitigação; Pasture; Sequestro de carbono; Soil carbon; Uso do solo. |
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Thesagro: |
Carbono; Efeito Estufa; Floresta; Matéria orgânica; Mudança Climática; Pastagem; Solo. |
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Thesaurus Nal: |
Cropland; Tropical forests. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/164678/1/Diana-2017.pdf
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Marc: |
LEADER 02820naa a2200445 a 4500
001 2068095
005 2022-05-04
008 2017 bl uuuu u00u1 u #d
022 $a2071-1050
024 7 $ahttp://dx.doi.org/10.3390/su9030379$2DOI
100 1 $aDURIGAN, M. R.
245 $aSoil organic matter responses to anthropogenic forest disturbance and land use change in the Eastern Brazilian Amazon.$h[electronic resource]
260 $c2017
520 $aAnthropogenic forest disturbance and land use change (LUC) in the Amazon region is the main source of greenhouse gas emissions to the atmosphere in Brazil, due to the carbon (C) and nitrogen (N) emitted from vegetation clearance. Land use conversion associated with management practices plays a key role in the distribution and origin of C in different soil organic matter (SOM) fractions. Here, we show how changing land use systems have influenced soil C and N stocks, SOM physical fractions, and the origin of SOM in the Santarém region of the eastern Brazilian Amazon. Soil C and N stocks were calculated for the surface layer of 0?30 cm. Anthropogenic disturbances to the standing forest, such as selective logging and wildfires, led to significant declines in soil C and N stocks. However, in the long-term, the conversion of the Amazon forest to pasture did not have a noticeable effect on soil C and N stocks, presumably because of additional inputs from pasture grasses. However, the conversion to cropland did lead to reductions in soil C and N content. According to the physical fractionation of SOM, LUC altered SOM quality, but silt and clay remained the combined fraction that contributed the most to soil C storage. Our results emphasize the importance of implementing more sustainable forest management systems, whilst also calling further attention to the need for fire monitoring systems, helping to ensure the resilience of C and N stocks and sequestration in forest soils; thereby contributing towards urgently needed ongoing efforts to mitigate climate change
650 $aCropland
650 $aTropical forests
650 $aCarbono
650 $aEfeito Estufa
650 $aFloresta
650 $aMatéria orgânica
650 $aMudança Climática
650 $aPastagem
650 $aSolo
653 $aManejo de solo
653 $aMitigação
653 $aPasture
653 $aSequestro de carbono
653 $aSoil carbon
653 $aUso do solo
700 1 $aCHERUBIN, M. R.
700 1 $aCAMARGO, P. B. de
700 1 $aFERREIRA, J. N.
700 1 $aBERENGUER, E.
700 1 $aGARDNER, T. A.
700 1 $aBARLOW, J.
700 1 $aDIAS, C. T. dos S.
700 1 $aSIGNOR, D.
700 1 $aOLIVEIRA JUNIOR, R. C. de
700 1 $aCERRI, C. E. P.
773 $tSustainability$gv. 9, n. 3, Mar. 2017.
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Registro original: |
Embrapa Semiárido (CPATSA) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Meio Ambiente. Para informações adicionais entre em contato com cnpma.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
23/01/2023 |
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Data da última atualização: |
23/01/2023 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
LUIZ, A. J. B.; GURGEL, H. da C. |
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Afiliação: |
ALFREDO JOSE BARRETO LUIZ, CNPMA; HELEN DA COSTA GURGEL, INPE. |
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Título: |
Agrupamento de grandes formações vegetais a partir de dados de índice de vegetação obtidos por satélite. |
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Ano de publicação: |
2000 |
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Fonte/Imprenta: |
In: Reunião Anual da Região Brasileira da Sociedade Internacional de Biometria, 2000, São Carlos. Programa e Resumos da 45a. Reunião Anual da Região Brasileira da Sociedade Internacional de Biometria, 45., São Carlos: RBRAS/UFSCar, 2000. p. 202-205. |
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Idioma: |
Português |
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Conteúdo: |
Resultados do agrupamento de valores mensais de NDVI (Normalized Difference Vegetation Index), de 1982 a 1993, calculados a partir de dados do AVHRR/NOAA (Advanced Very High Resolution Radiometer/National Oceanic and Atmospheric Administration), são apresentados. A análise permitiu identificar as principais formações vegetais brasileiras. A latitude e a longitude de cada observação foram levadas em consideração pela análise de agrupamento. Em algumas regiões as alterações no padrão temporal da vegetação foram associadas aos efeitos do El Niño. |
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Palavras-Chave: |
Dados georreferenciados; Monitoramento ambiental. |
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Thesagro: |
Sensoriamento Remoto. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01313nam a2200157 a 4500
001 2151162
005 2023-01-23
008 2000 bl uuuu u00u1 u #d
100 1 $aLUIZ, A. J. B.
245 $aAgrupamento de grandes formações vegetais a partir de dados de índice de vegetação obtidos por satélite.$h[electronic resource]
260 $aIn: Reunião Anual da Região Brasileira da Sociedade Internacional de Biometria, 2000, São Carlos. Programa e Resumos da 45a. Reunião Anual da Região Brasileira da Sociedade Internacional de Biometria, 45., São Carlos: RBRAS/UFSCar, 2000. p. 202-205.$c2000
520 $aResultados do agrupamento de valores mensais de NDVI (Normalized Difference Vegetation Index), de 1982 a 1993, calculados a partir de dados do AVHRR/NOAA (Advanced Very High Resolution Radiometer/National Oceanic and Atmospheric Administration), são apresentados. A análise permitiu identificar as principais formações vegetais brasileiras. A latitude e a longitude de cada observação foram levadas em consideração pela análise de agrupamento. Em algumas regiões as alterações no padrão temporal da vegetação foram associadas aos efeitos do El Niño.
650 $aSensoriamento Remoto
653 $aDados georreferenciados
653 $aMonitoramento ambiental
700 1 $aGURGEL, H. da C.
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Embrapa Meio Ambiente (CNPMA) |
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