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Registro Completo |
Biblioteca(s): |
Embrapa Amapá; Embrapa Amazônia Ocidental; Embrapa Amazônia Oriental; Embrapa Meio-Norte; Embrapa Semiárido; Embrapa Unidades Centrais. |
Data corrente: |
24/04/2006 |
Data da última atualização: |
17/02/2011 |
Tipo da produção científica: |
Comunicado Técnico/Recomendações Técnicas |
Autoria: |
RODRIGUES, J. E. L. F.; ALVES, R. N. B.; TEIXEIRA, R. N. G.; ROSA, E. S. |
Afiliação: |
JOAO ELIAS LOPES F RODRIGUES, CPATU; RAIMUNDO NONATO BRABO ALVES, CPATU; RAIMUNDO NONATO GUIMARAES TEIXEIRA, CPATU; ELIAS SILVA ROSA, Extensionista EMATER-PA. |
Título: |
Adubação NPK, na cultura do feijão caupi em agricultura familiar, no município de Ponta de Pedras-PA. |
Ano de publicação: |
2004 |
Fonte/Imprenta: |
Belém, PA: Embrapa Amazônia Oriental, 2004. |
Páginas: |
4 p. |
Série: |
(Embrapa Amazônia Oriental. Comunicado técnico, 95). |
Idioma: |
Português |
Notas: |
Disponível também on-line. |
Conteúdo: |
O presente trabalho objetivou definir a dose mais econômica da fórmula comercial de adubação NPK (10-28-20), na cultura do feijão caupi, cultivar BR-3 Traquateua, com a participação efetiva dos pequenos agricultores familiares da comunidade de Jagarajó, envolvendo aproximadamente 40 famílias no Município de Ponta de Pedras. |
Palavras-Chave: |
Adubação NPK; Brasil; Caupi; Pará; Ponta de Pedras. |
Thesagro: |
Agricultura Familiar; Feijão de Corda. |
Thesaurus Nal: |
Amazonia. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/27539/1/com.tec.95.pdf
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Marc: |
LEADER 01153nam a2200277 a 4500 001 1402401 005 2011-02-17 008 2004 bl uuuu u0uu1 u #d 100 1 $aRODRIGUES, J. E. L. F. 245 $aAdubação NPK, na cultura do feijão caupi em agricultura familiar, no município de Ponta de Pedras-PA. 260 $aBelém, PA: Embrapa Amazônia Oriental$c2004 300 $a4 p. 490 $a(Embrapa Amazônia Oriental. Comunicado técnico, 95). 500 $aDisponível também on-line. 520 $aO presente trabalho objetivou definir a dose mais econômica da fórmula comercial de adubação NPK (10-28-20), na cultura do feijão caupi, cultivar BR-3 Traquateua, com a participação efetiva dos pequenos agricultores familiares da comunidade de Jagarajó, envolvendo aproximadamente 40 famílias no Município de Ponta de Pedras. 650 $aAmazonia 650 $aAgricultura Familiar 650 $aFeijão de Corda 653 $aAdubação NPK 653 $aBrasil 653 $aCaupi 653 $aPará 653 $aPonta de Pedras 700 1 $aALVES, R. N. B. 700 1 $aTEIXEIRA, R. N. G. 700 1 $aROSA, E. S.
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Embrapa Amazônia Oriental (CPATU) |
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
Data corrente: |
17/11/2020 |
Data da última atualização: |
11/01/2021 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
SMITH, C. C.; ESPÍRITO-SANTO, F. D. B.; HEALEY, J. R.; YOUNG, P. J.; LENNOX, G. D.; FERREIRA, J. N.; BARLOW, J. |
Afiliação: |
Charlotte C. Smith, Lancaster University; Fernando D. B. Espírito-Santo, University of Leicester; John R. Healey, Bangor University; Paul J. Young, Lancaster University; Gareth D. Lennox, Lancaster University; JOICE NUNES FERREIRA, CPATU; Jos Barlow, Lancaster University / UFLA. |
Título: |
Secondary forests offset less than 10% of deforestation-mediated carbon emissions in the Brazilian Amazon. |
Ano de publicação: |
2020 |
Fonte/Imprenta: |
Global Change Biology, v. 26, n. 12, p. 7006-7020, 2020. |
DOI: |
10.1111/gcb.15352 |
Idioma: |
Inglês |
Conteúdo: |
Secondary forests are increasing in the Brazilian Amazon and have been cited as an important mechanism for reducing net carbon emissions. However, our under-standing of the contribution of secondary forests to the Amazonian carbon balance is incomplete, and it is unclear to what extent emissions from old-growth deforesta-tion have been offset by secondary forest growth. Using MapBiomas 3.1 and re-cently refined IPCC carbon sequestration estimates, we mapped the age and extent of secondary forests in the Brazilian Amazon and estimated their role in offsetting old-growth deforestation emissions since 1985. We also assessed whether second-ary forests in the Brazilian Amazon are growing in conditions favourable for carbon accumulation in relation to a suite of climatic, landscape and local factors. In 2017, the 129,361 km2 of secondary forest in the Brazilian Amazon stored 0.33± 0.05 bil-lion Mg of above-ground carbon but had offset just 9.37% of old-growth emissions since 1985. However, we find that the majority of Brazilian secondary forests are situated in contexts that are less favourable for carbon accumulation than the biome average. Our results demonstrate that old-growth forest loss remains the most impor-tant factor determining the carbon balance in the Brazilian Amazon. Understanding the implications of these findings will be essential for improving estimates of second-ary forest carbon sequestration potential. More accurate quantification of secondary forest carbon stocks will support the production of appropriate management pro-posals that can efficiently harness the potential of secondary forests as a low-cost, nature-based tool for mitigating climate change. MenosSecondary forests are increasing in the Brazilian Amazon and have been cited as an important mechanism for reducing net carbon emissions. However, our under-standing of the contribution of secondary forests to the Amazonian carbon balance is incomplete, and it is unclear to what extent emissions from old-growth deforesta-tion have been offset by secondary forest growth. Using MapBiomas 3.1 and re-cently refined IPCC carbon sequestration estimates, we mapped the age and extent of secondary forests in the Brazilian Amazon and estimated their role in offsetting old-growth deforestation emissions since 1985. We also assessed whether second-ary forests in the Brazilian Amazon are growing in conditions favourable for carbon accumulation in relation to a suite of climatic, landscape and local factors. In 2017, the 129,361 km2 of secondary forest in the Brazilian Amazon stored 0.33± 0.05 bil-lion Mg of above-ground carbon but had offset just 9.37% of old-growth emissions since 1985. However, we find that the majority of Brazilian secondary forests are situated in contexts that are less favourable for carbon accumulation than the biome average. Our results demonstrate that old-growth forest loss remains the most impor-tant factor determining the carbon balance in the Brazilian Amazon. Understanding the implications of these findings will be essential for improving estimates of second-ary forest carbon sequestration potential. More accurate quantification of secondary forest carbon st... Mostrar Tudo |
Palavras-Chave: |
Regeneração florestal; Sequestro de carbono. |
Thesagro: |
Floresta Tropical; Mudança Climática; Regeneração Natural; Vegetação Secundária. |
Thesaurus NAL: |
Carbon sequestration; Climate change; Forest regeneration; Tropical forests. |
Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/220102/1/gcb.15352-2020.pdf
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Marc: |
LEADER 02696naa a2200325 a 4500 001 2126687 005 2021-01-11 008 2020 bl uuuu u00u1 u #d 024 7 $a10.1111/gcb.15352$2DOI 100 1 $aSMITH, C. C. 245 $aSecondary forests offset less than 10% of deforestation-mediated carbon emissions in the Brazilian Amazon.$h[electronic resource] 260 $c2020 520 $aSecondary forests are increasing in the Brazilian Amazon and have been cited as an important mechanism for reducing net carbon emissions. However, our under-standing of the contribution of secondary forests to the Amazonian carbon balance is incomplete, and it is unclear to what extent emissions from old-growth deforesta-tion have been offset by secondary forest growth. Using MapBiomas 3.1 and re-cently refined IPCC carbon sequestration estimates, we mapped the age and extent of secondary forests in the Brazilian Amazon and estimated their role in offsetting old-growth deforestation emissions since 1985. We also assessed whether second-ary forests in the Brazilian Amazon are growing in conditions favourable for carbon accumulation in relation to a suite of climatic, landscape and local factors. In 2017, the 129,361 km2 of secondary forest in the Brazilian Amazon stored 0.33± 0.05 bil-lion Mg of above-ground carbon but had offset just 9.37% of old-growth emissions since 1985. However, we find that the majority of Brazilian secondary forests are situated in contexts that are less favourable for carbon accumulation than the biome average. Our results demonstrate that old-growth forest loss remains the most impor-tant factor determining the carbon balance in the Brazilian Amazon. Understanding the implications of these findings will be essential for improving estimates of second-ary forest carbon sequestration potential. More accurate quantification of secondary forest carbon stocks will support the production of appropriate management pro-posals that can efficiently harness the potential of secondary forests as a low-cost, nature-based tool for mitigating climate change. 650 $aCarbon sequestration 650 $aClimate change 650 $aForest regeneration 650 $aTropical forests 650 $aFloresta Tropical 650 $aMudança Climática 650 $aRegeneração Natural 650 $aVegetação Secundária 653 $aRegeneração florestal 653 $aSequestro de carbono 700 1 $aESPÍRITO-SANTO, F. D. B. 700 1 $aHEALEY, J. R. 700 1 $aYOUNG, P. J. 700 1 $aLENNOX, G. D. 700 1 $aFERREIRA, J. N. 700 1 $aBARLOW, J. 773 $tGlobal Change Biology$gv. 26, n. 12, p. 7006-7020, 2020.
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