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| Registros recuperados : 93 | |
| 5. |  | VESCHI, J. L. A.; MARTINS, R. J.; ZAFALON, L. F.; RAMOS, E. M.; CASTRO, R. S. Soroprevalência da CAE em caprinos leiteiros do território do sisal, Bahia. Biológico, v. 73, (Supl. 2), p. 25, 2011.| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 11. | | VESCHI, J. L. A.; LANDIM, A. M. de S.; RAMOS, E. M.; ZAFALON, L. F. Levantamento de brucelose em ovinos e caprinos da região do submédio do Vale do São Francisco, Pernambuco, Brasil. Acta Scientiae Veterinariae, v. 40 p. s98, 2012. Suplemento 2. Edição do 1 Encontro Nacional de Epidemiologia Veterinária - ENEPI, São Paulo, jul. 2012.| Biblioteca(s): Embrapa Pecuária Sudeste; Embrapa Semiárido. |
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| 19. | | AMORIM, V. da S.; VESCHI, J. L. A.; SILVA, I. F. da; ROSA, D. S.; COSTA, M. M. da. Sensibilidade antimicrobiana de Staphylococcus spp. isolados de bovinos, bubalinos e caprinos com mastite. In: JORNADA DE INICIAÇÃO CIENTÍFICA DA EMBRAPA SEMIÁRIDO, 11., 2016, Petrolina. Anais... Petrolina: Embrapa Semiárido, 2016. p. 117-122. (Embrapa Semiárido. Documentos, 271).| Biblioteca(s): Embrapa Semiárido. |
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| 20. | | VESCHI, J. L. A.; LANDIM, A. M. de S.; RAMOS, E. M.; ZAFALON, L. F.; CASTRO, R. S. de. Soroprevalência de lentiviroses de pequenos ruminantes em ovinos e caprinos na região do submédio do Vale do São Francisco, Pernambuco, Brasil. Acta Scientiae Veterinariae, v. 40, p. s99, 2012. Suplemento 2. Edição do 1 Encontro Nacional de Epidemiologia Veterinária - ENEPI, São Paulo, jul. 2012.| Biblioteca(s): Embrapa Pecuária Sudeste; Embrapa Semiárido. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Cerrados. Para informações adicionais entre em contato com cpac.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
19/12/2017 |
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Data da última atualização: |
02/05/2024 |
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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: |
OLIVEIRA FILHO, E. C. de; BRITO, D. Q.; DIAS, Z. M. B.; GUARIEIRO, M.; CARVALHO, E. L.; FASCINELI, M. L.; NIVA, C. C.; GRISOLIA, C. K. |
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Afiliação: |
EDUARDO CYRINO DE OLIVEIRA FILHO, CPAC; DARLAN Q. BRITO, UNIVERSIDADE DE BRASÍLIA; ZELIA M.B. DIAS, UNIVERSIDADE DE BRASÍLIA; MAYARA S. GUARIEIRO, CENTRO UNIVERSITÁRIO DE BRASÍLIA; ESTHER L. CARVALHO, UNIVERSIDADE DE BRASÍLIA; MARIA L. FASCINELI, UNIVERSIDADE DE BRASÍLIA; CINTIA CARLA NIVA, CPAC; CESAR K. GRISOLIA, UNIVERSIDADE DE BRASÍLIA. |
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Título: |
Effects of ashes from a Brazilian savanna wildfire on water, soil and biota: an ecotoxicological approach. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Science of the Total Environment, n. 618, p. 101-111, 2018. |
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Idioma: |
Inglês |
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Conteúdo: |
Wildfire is very common in Brazilian savannas, and its effects on water, soil and aquatic/soil organisms are poorly understood. In this study, we observed the effects of fire, especially of ashes, on surface soil and subsurface water in a typical Brazilian savanna (Cerrado sensu strictu) for one year. Soil analyses (pH, organic matter content, potential acidity, K, Ca, Mg and P) and subsurface water analyses (NO3 −, PO43ˉ Mg2+, Ca2+ and K+) were assessed. We evaluated the ecotoxicological effects of ashes on three different endpoints and species, in fish Danio rerio (embryonic development), aquatic snail Biomphalaria glabrata (reproduction) and a soil species Enchytraeus sp. (reproduction). We found a higher amount of exchangeable cations and organic matter content in short-term fire effects on soil, but the higher availability of nutrients did not affect the soil pH in field plots. The effects of ashes on soil and subsurface water did not persist for one-year post-fire, except for organic matter content in burned areas. No toxic effects were observed on hatching success and incidences of developmental abnormalities in D. rerio embryos. However, ash input had adverse effects on reproduction in snails and enchytraeids. We reported a statistically significant decrease in snail eggs exposed to the 50 g.L− 1 and 100 g.L− 1 of ashes after four weeks (p < 0.05, Dunnett's test and Tukey test). Enchytraeus sp. reproduction was negatively influenced by the natural soil, which presents high acidity, and also when exposed directly to the ashes from burned area, suggesting that pH and other ash compounds may limit the growth of enchytraeids. More studies in burned areas are strongly encouraged, addressing the potential important routes of exposure to ashes in order to understand the impact of intense fires on soil and aquatic biota in tropical savannas. MenosWildfire is very common in Brazilian savannas, and its effects on water, soil and aquatic/soil organisms are poorly understood. In this study, we observed the effects of fire, especially of ashes, on surface soil and subsurface water in a typical Brazilian savanna (Cerrado sensu strictu) for one year. Soil analyses (pH, organic matter content, potential acidity, K, Ca, Mg and P) and subsurface water analyses (NO3 −, PO43ˉ Mg2+, Ca2+ and K+) were assessed. We evaluated the ecotoxicological effects of ashes on three different endpoints and species, in fish Danio rerio (embryonic development), aquatic snail Biomphalaria glabrata (reproduction) and a soil species Enchytraeus sp. (reproduction). We found a higher amount of exchangeable cations and organic matter content in short-term fire effects on soil, but the higher availability of nutrients did not affect the soil pH in field plots. The effects of ashes on soil and subsurface water did not persist for one-year post-fire, except for organic matter content in burned areas. No toxic effects were observed on hatching success and incidences of developmental abnormalities in D. rerio embryos. However, ash input had adverse effects on reproduction in snails and enchytraeids. We reported a statistically significant decrease in snail eggs exposed to the 50 g.L− 1 and 100 g.L− 1 of ashes after four weeks (p < 0.05, Dunnett's test and Tukey test). Enchytraeus sp. reproduction was negatively influenced by the natural soil, which present... Mostrar Tudo |
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Thesagro: |
Cerrado; Fogo; Queimada; Solo. |
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Categoria do assunto: |
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Marc: |
LEADER 02588naa a2200253 a 4500
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100 1 $aOLIVEIRA FILHO, E. C. de
245 $aEffects of ashes from a Brazilian savanna wildfire on water, soil and biota$ban ecotoxicological approach.
260 $c2018
520 $aWildfire is very common in Brazilian savannas, and its effects on water, soil and aquatic/soil organisms are poorly understood. In this study, we observed the effects of fire, especially of ashes, on surface soil and subsurface water in a typical Brazilian savanna (Cerrado sensu strictu) for one year. Soil analyses (pH, organic matter content, potential acidity, K, Ca, Mg and P) and subsurface water analyses (NO3 −, PO43ˉ Mg2+, Ca2+ and K+) were assessed. We evaluated the ecotoxicological effects of ashes on three different endpoints and species, in fish Danio rerio (embryonic development), aquatic snail Biomphalaria glabrata (reproduction) and a soil species Enchytraeus sp. (reproduction). We found a higher amount of exchangeable cations and organic matter content in short-term fire effects on soil, but the higher availability of nutrients did not affect the soil pH in field plots. The effects of ashes on soil and subsurface water did not persist for one-year post-fire, except for organic matter content in burned areas. No toxic effects were observed on hatching success and incidences of developmental abnormalities in D. rerio embryos. However, ash input had adverse effects on reproduction in snails and enchytraeids. We reported a statistically significant decrease in snail eggs exposed to the 50 g.L− 1 and 100 g.L− 1 of ashes after four weeks (p < 0.05, Dunnett's test and Tukey test). Enchytraeus sp. reproduction was negatively influenced by the natural soil, which presents high acidity, and also when exposed directly to the ashes from burned area, suggesting that pH and other ash compounds may limit the growth of enchytraeids. More studies in burned areas are strongly encouraged, addressing the potential important routes of exposure to ashes in order to understand the impact of intense fires on soil and aquatic biota in tropical savannas.
650 $aCerrado
650 $aFogo
650 $aQueimada
650 $aSolo
700 1 $aBRITO, D. Q.
700 1 $aDIAS, Z. M. B.
700 1 $aGUARIEIRO, M.
700 1 $aCARVALHO, E. L.
700 1 $aFASCINELI, M. L.
700 1 $aNIVA, C. C.
700 1 $aGRISOLIA, C. K.
773 $tScience of the Total Environment$gn. 618, p. 101-111, 2018.
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