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| 21. |  | SANTOS JÚNIOR, A. M. dos S.; MALUF, W. R.; FARIA, M. V.; LIMA, L. C. de O.; CAMPOS, K. P. de; LIMA, H. C. de; ARAÚJO, F. M. M. C. de. Comportamento pós-colheita das características químicas, bioquímicas e físicas de frutos de tomateiros heterozigotos nos locos alcobaça e ripening inhibitor Ciência e Agrotecnologia, Lavras, v .27, n. 4, p. 749-757, jul./ago., 2003.| Biblioteca(s): Embrapa Hortaliças. |
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| 23. | | LIMA, H. C. de; LIMA, L. C. de O.; MALUF, W. R.; ARAÚJO, F. M. M. C. de; SANTOS JÚNIOR, A. M. dos; FARIA, M. V.; CAMPOS, K. P. de. Efeitos dos alelos mutantes alc e rin sobre a textura e a atividade das enzimas poligalacturonase e pectinametilesterase de frutos híbridos de tomateiro 'longa vida' em diferentes estádios de maturação. In: CONGRESSO BRASILEIRO FISIOLOGIA VEGETAL, 8., 2001, Ilhéus. Resumo dos trabalhos [e] resumo das palestras... Ilhéus: SBFV, 2001. p. 146.| Biblioteca(s): Embrapa Hortaliças. |
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| 25. | | ARAÚJO, F. M. M. C. de; LIMA, L. C. de O.; MALUF, W. R.; LIMA, H. C. de; FARIA, M. V.; SANTOS JUNIOR, A. M. dos; CAMPOS, K. P. de. Efeito dos alelos mutantes alc e rin sobre os carboidratos estruturais de parede celular e a textura de híbridos de tomateiro 'longa-vida' em diferentes estádios de maturação. In: CONGRESSO BRASILEIRO FISIOLOGIA VEGETAL, 8., 2001, Ilhéus. Resumo dos trabalhos [e] resumo das palestras... Ilhéus: SBFV, 2001. p. 144.| Biblioteca(s): Embrapa Hortaliças. |
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| 28. | | PEREIRA, U. de P.; SANTOS, A. R. dos; HASSAN, S. S.; ABURJAILE, F. F.; SOARES, S. de C.; RAMOS, R. T. J.; CARNEIRO, A. R.; GUIMARÃES, L. C.; ALMEIDA, S. S. de; DINIZ, C. A. A.; BARBOSA, M. S.; SÁ, P. G. de; ALI, A.; BAKHTIAR, S. M.; DORELLA, F. A.; ZERLOTINI, A.; ARAÚJO, F. M. G.; LEITE, L. R.; OLIVEIRA, G.; MIYOSHI, A.; SILVA, A.; AZEVEDO, V.; FIGUEIREDO, H. C. P. Complete genome sequence of Streptococcus agalactiae strain SA20-06, a fish pathogen associated to meningoencephalitis outbreaks. Standards in Genomic Sciences, v. 8, n. 2, p.188-197, 2013.| Biblioteca(s): Embrapa Agricultura Digital. |
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| Registros recuperados : 28 | |
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Registro Completo
|
Biblioteca(s): |
Embrapa Amazônia Oriental. |
|
Data corrente: |
12/03/2019 |
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Data da última atualização: |
27/12/2019 |
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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: |
WITHEY, K.; BERENGUER, E.; PALMEIRA, A. F.; ESPÍRITO-SANTO, F. D. B.; LENNOX, G. D.; SILVA, C. V. J.; ARAGÃO, L. E. O. C.; FERREIRA, J. N.; FRANÇA, F.; MALHI, Y.; ROSSI, L. C.; BARLOW, J. |
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Afiliação: |
Kieran Withey, Lancaster University; Erika Berenguer, Lancaster University / University of Oxford; Alessandro Ferraz Palmeira, UFPA; Fernando D. B. Espírito-Santo, University of Leicester; Gareth D. Lennox, Lancaster University; Camila V. J. Silva, Lancaster University; Luiz E. O. C. Aragão, INPE / University of Exeter; JOICE NUNES FERREIRA, CPATU; Filipe França, Lancaster University / CPATU / IFMG; Yadvinder Malhi, University of Oxford; Liana Chesini Rossi, UNESP; Jos Barlow, Lancaster University. |
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Título: |
Quantifying immediate carbon emissions from El Ninõ-mediated wildfires in humid tropical forests. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Philosophical Transactions of the Royal Society B, v. 373, n. 1760, p. 1-11, Nov. 2018. |
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DOI: |
10.1098/rstb.2017.0312 |
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Idioma: |
Inglês |
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Conteúdo: |
Wildfires produce substantial CO2 emissions in the humid tropics during El Niño-mediated extreme droughts, and these emissions are expected to increase in coming decades. Immediate carbon emissions from uncontrolled wildfires in human-modified tropical forests can be considerable owing to high necromass fuel loads. Yet, data on necromass combustion during wildfires are severely lacking. Here, we evaluated necromass carbon stocks before and after the 2015?2016 El Niño in Amazonian forests distributed along a gradient of prior human disturbance. We then used Landsat-derived burn scars to extrapolate regional immediate wildfire CO2 emissions during the 2015?2016 El Niño. Before the El Niño, necromass stocks varied significantly with respect to prior disturbance and were largest in undisturbed primary forests (30.2 ± 2.1 Mg ha−1, mean ± s.e.) and smallest in secondary forests (15.6 ± 3.0 Mg ha−1). However, neither prior disturbance nor our proxy of fire intensity (median char height) explained necromass losses due to wildfires. In our 6.5 million hectare (6.5 Mha) study region, almost 1 Mha of primary (disturbed and undisturbed) and 20 000 ha of secondary forest burned during the 2015?2016 El Niño. Covering less than 0.2% of Brazilian Amazonia, these wildfires resulted in expected immediate CO2 emissions of approximately 30 Tg, three to four times greater than comparable estimates from global fire emissions databases. Uncontrolled understorey wildfires in humid tropical forests during extreme droughts are a large and poorly quantified source of CO2 emissions. MenosWildfires produce substantial CO2 emissions in the humid tropics during El Niño-mediated extreme droughts, and these emissions are expected to increase in coming decades. Immediate carbon emissions from uncontrolled wildfires in human-modified tropical forests can be considerable owing to high necromass fuel loads. Yet, data on necromass combustion during wildfires are severely lacking. Here, we evaluated necromass carbon stocks before and after the 2015?2016 El Niño in Amazonian forests distributed along a gradient of prior human disturbance. We then used Landsat-derived burn scars to extrapolate regional immediate wildfire CO2 emissions during the 2015?2016 El Niño. Before the El Niño, necromass stocks varied significantly with respect to prior disturbance and were largest in undisturbed primary forests (30.2 ± 2.1 Mg ha−1, mean ± s.e.) and smallest in secondary forests (15.6 ± 3.0 Mg ha−1). However, neither prior disturbance nor our proxy of fire intensity (median char height) explained necromass losses due to wildfires. In our 6.5 million hectare (6.5 Mha) study region, almost 1 Mha of primary (disturbed and undisturbed) and 20 000 ha of secondary forest burned during the 2015?2016 El Niño. Covering less than 0.2% of Brazilian Amazonia, these wildfires resulted in expected immediate CO2 emissions of approximately 30 Tg, three to four times greater than comparable estimates from global fire emissions databases. Uncontrolled understorey wildfires in humid tropi... Mostrar Tudo |
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Palavras-Chave: |
Emissão de carbono. |
|
Thesagro: |
Carbono; Floresta Tropical Úmida; Incêndio Florestal. |
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Thesaurus NAL: |
El Nino. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02580naa a2200325 a 4500
001 2106962
005 2019-12-27
008 2018 bl uuuu u00u1 u #d
024 7 $a10.1098/rstb.2017.0312$2DOI
100 1 $aWITHEY, K.
245 $aQuantifying immediate carbon emissions from El Ninõ-mediated wildfires in humid tropical forests.$h[electronic resource]
260 $c2018
520 $aWildfires produce substantial CO2 emissions in the humid tropics during El Niño-mediated extreme droughts, and these emissions are expected to increase in coming decades. Immediate carbon emissions from uncontrolled wildfires in human-modified tropical forests can be considerable owing to high necromass fuel loads. Yet, data on necromass combustion during wildfires are severely lacking. Here, we evaluated necromass carbon stocks before and after the 2015?2016 El Niño in Amazonian forests distributed along a gradient of prior human disturbance. We then used Landsat-derived burn scars to extrapolate regional immediate wildfire CO2 emissions during the 2015?2016 El Niño. Before the El Niño, necromass stocks varied significantly with respect to prior disturbance and were largest in undisturbed primary forests (30.2 ± 2.1 Mg ha−1, mean ± s.e.) and smallest in secondary forests (15.6 ± 3.0 Mg ha−1). However, neither prior disturbance nor our proxy of fire intensity (median char height) explained necromass losses due to wildfires. In our 6.5 million hectare (6.5 Mha) study region, almost 1 Mha of primary (disturbed and undisturbed) and 20 000 ha of secondary forest burned during the 2015?2016 El Niño. Covering less than 0.2% of Brazilian Amazonia, these wildfires resulted in expected immediate CO2 emissions of approximately 30 Tg, three to four times greater than comparable estimates from global fire emissions databases. Uncontrolled understorey wildfires in humid tropical forests during extreme droughts are a large and poorly quantified source of CO2 emissions.
650 $aEl Nino
650 $aCarbono
650 $aFloresta Tropical Úmida
650 $aIncêndio Florestal
653 $aEmissão de carbono
700 1 $aBERENGUER, E.
700 1 $aPALMEIRA, A. F.
700 1 $aESPÍRITO-SANTO, F. D. B.
700 1 $aLENNOX, G. D.
700 1 $aSILVA, C. V. J.
700 1 $aARAGÃO, L. E. O. C.
700 1 $aFERREIRA, J. N.
700 1 $aFRANÇA, F.
700 1 $aMALHI, Y.
700 1 $aROSSI, L. C.
700 1 $aBARLOW, J.
773 $tPhilosophical Transactions of the Royal Society B$gv. 373, n. 1760, p. 1-11, Nov. 2018.
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