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10. | | ALCANTARA, E. N.; ROSCOE, R.; VIEIRA, T. G. C.; GUEDES, G. A. A. Efeito de seis métodos de controle de ervas daninhas em café na matéria orgânica de um LRd em Minas Gerais. IN: CONGRESSO BRASILEIRO DE CIÊNÇIA DO SOLO, 25., 1995, Viçosa, MG. Resumos expandidos. Viçosa: UFV, 1995. v.4, p. 2008-2010. Biblioteca(s): Embrapa Tabuleiros Costeiros. |
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16. | | SANTOS, I. C. dos; LIMA, P. C. de; ALCÂNTARA, E. N. de; MATTOS, R. N.; MELO, A. V. de. Manejo de entrelinhas em cafezais orgânicos. Informe Agropecuário, Belo Horizonte, v. 23, n. 214/215, p. 115-126, jan./abr. 2002. p. 115-126 Biblioteca(s): Embrapa Rondônia. |
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17. | | ALVES, J. A.; NASSUR, R. de C. M. R.; PIRES, C. R. F.; ALCÂNTARA, E. M. de; GIANNONI, J. A.; LIMA, L. C. de O. Cinética de degradação de vitamina C em mangas 'Palmer' minimamente processadas armazenadas em diferentes temperaturas. Ciência e Agrotecnologia, Lavras, v. 34, n. 3, p. 714-721, mai./jun., 2010. Biblioteca(s): Embrapa Semiárido. |
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18. | | MALTA, M. R.; ALCÂNTARA, E. N.; ROSA, S. D. V. F. da; LISKA, G. R.; FASSIO, L. de O.; LIMA, P. M. Chemical composition and quality of coffee stored under different forms of processing and drying. In: INTERNATIONAL CONFERENCE ON COFFEE SCIENCE, 26., 2016, Kunming,Yunnan, China. Proceedings... ASIC - Association for Science and Information on Coffee, 2016. p. 223. Biblioteca(s): Embrapa Café. |
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19. | | MALTA, M. R.; ALCÂNTARA, E. N.; ROSA, S. D. V. F. da; ABREU, G. F.; LISKA, G. R.; FASSIO, L. de O.; LIMA, P. M. Changes in chemical composition and quality of coffee in function of different post-harvest operations. In: INTERNATIONAL CONFERENCE ON COFFEE SCIENCE, 26., 2016, Kunming,Yunnan, China. Proceedings... ASIC - Association for Science and Information on Coffee, 2016. p. 195. Biblioteca(s): Embrapa Café. |
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20. | | GOMES, A. C. C.; PENTEAN, R.; PORTINHO, J. L.; VICENTE, L. E.; ARAUJO, L. S. de; MANZATTO, C. V.; ALCÂNTARA, E. Short-term retrieval of water transparency from a caged-fish farm using Landsat-8/OLI images. In: SIMPÓSIO BRASILEIRO DE SENSORIAMENTO REMOTO, 19., 2019, Santos. Anais... São José dos Campos: INPE, 2019. 4 p. Biblioteca(s): Embrapa Meio Ambiente. |
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Registros recuperados : 22 | |
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Registro Completo
Biblioteca(s): |
Embrapa Meio Ambiente. |
Data corrente: |
12/12/2017 |
Data da última atualização: |
12/12/2017 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
ARAÚJO, C. A. S. de; SAMPAIO, F. G.; ALCÂNTARA, E.; CURTARELLI, M. P.; OGASHAWARA, I.; STECH, J. L. |
Afiliação: |
CARLOS ALBERTO SAMPAIO DE ARAUJO, INPE; FERNANDA GARCIA SAMPAIO, CNPMA; ENNER ALCANTARA, UNESP; MARCELO PEDROSO CURTARELLI, Fundação Centros de Referência em Tecnologias Inovadoras; IGOR OGAHSAWARA, Indiana University-Purdue University Indianapolis; JOSÉ LUIZ STECH, INPE. |
Título: |
Effects of atmospheric cold fronts on stratification and water quality of a tropical reservoir: implications for aquaculture. |
Ano de publicação: |
2017 |
Fonte/Imprenta: |
Aquaculture Environment Interactions, v. 9, p. 385-403, 2017. |
ISSN: |
1869-7534 |
DOI: |
https://doi.org/10.3354/aei00240 |
Idioma: |
Inglês |
Conteúdo: |
Stratification and mixing patterns of a water body are influenced by the variability of atmospheric systems, which can also modify their biogeochemical properties. The primary goal of this study was to analyze the effect of atmospheric cold fronts (CFs) on thermal stratification and water quality parameters in 4 embayments of the Furnas Hydroelectric Reservoir (FHR) (southeastern Brazil), a warm monomictic water body. A secondary goal was to evaluate the implications of this effect on the aquaculture of Nile tilapia Oreochromis niloticus (L.) in net cages. A 2 yr dataset of meteorological and water quality parameters was used to compute heat flux balance components and buoyancy frequency. These parameters were used to evaluate the influence of CFs on FHR water column stability and water quality. It was observed that the passing of CFs increased net heat loss and wind velocity, resulting in a partial mixture of surface waters with deeper layers. These changes in the physical structure of the water column altered the diel cycle of water temperature, led to a slight decrease in dissolved oxygen concentrations and pH values during the stratification period, and contributed to the increase in dilution power at the fish cultivation sites. However, following CF passages, no significant changes were observed in water quality parameters that influenced Nile tilapia cultivation in the FHR. Nevertheless, the understanding of meteorological systems and their influence on the physical and biogeochemical properties of an aquatic system is important for optimal management of aquaculture activities. MenosStratification and mixing patterns of a water body are influenced by the variability of atmospheric systems, which can also modify their biogeochemical properties. The primary goal of this study was to analyze the effect of atmospheric cold fronts (CFs) on thermal stratification and water quality parameters in 4 embayments of the Furnas Hydroelectric Reservoir (FHR) (southeastern Brazil), a warm monomictic water body. A secondary goal was to evaluate the implications of this effect on the aquaculture of Nile tilapia Oreochromis niloticus (L.) in net cages. A 2 yr dataset of meteorological and water quality parameters was used to compute heat flux balance components and buoyancy frequency. These parameters were used to evaluate the influence of CFs on FHR water column stability and water quality. It was observed that the passing of CFs increased net heat loss and wind velocity, resulting in a partial mixture of surface waters with deeper layers. These changes in the physical structure of the water column altered the diel cycle of water temperature, led to a slight decrease in dissolved oxygen concentrations and pH values during the stratification period, and contributed to the increase in dilution power at the fish cultivation sites. However, following CF passages, no significant changes were observed in water quality parameters that influenced Nile tilapia cultivation in the FHR. Nevertheless, the understanding of meteorological systems and their influence on the physical an... Mostrar Tudo |
Palavras-Chave: |
Aquacultura; Cold front; Frente fria. |
Thesagro: |
Lago; Oreochromis Niloticus; Qualidade da água; Tilápia nilótica. |
Thesaurus NAL: |
Aquaculture; Water quality; Water reservoirs. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/168748/1/2017AP37.pdf
|
Marc: |
LEADER 02589naa a2200325 a 4500 001 2082243 005 2017-12-12 008 2017 bl uuuu u00u1 u #d 022 $a1869-7534 024 7 $ahttps://doi.org/10.3354/aei00240$2DOI 100 1 $aARAÚJO, C. A. S. de 245 $aEffects of atmospheric cold fronts on stratification and water quality of a tropical reservoir$bimplications for aquaculture.$h[electronic resource] 260 $c2017 520 $aStratification and mixing patterns of a water body are influenced by the variability of atmospheric systems, which can also modify their biogeochemical properties. The primary goal of this study was to analyze the effect of atmospheric cold fronts (CFs) on thermal stratification and water quality parameters in 4 embayments of the Furnas Hydroelectric Reservoir (FHR) (southeastern Brazil), a warm monomictic water body. A secondary goal was to evaluate the implications of this effect on the aquaculture of Nile tilapia Oreochromis niloticus (L.) in net cages. A 2 yr dataset of meteorological and water quality parameters was used to compute heat flux balance components and buoyancy frequency. These parameters were used to evaluate the influence of CFs on FHR water column stability and water quality. It was observed that the passing of CFs increased net heat loss and wind velocity, resulting in a partial mixture of surface waters with deeper layers. These changes in the physical structure of the water column altered the diel cycle of water temperature, led to a slight decrease in dissolved oxygen concentrations and pH values during the stratification period, and contributed to the increase in dilution power at the fish cultivation sites. However, following CF passages, no significant changes were observed in water quality parameters that influenced Nile tilapia cultivation in the FHR. Nevertheless, the understanding of meteorological systems and their influence on the physical and biogeochemical properties of an aquatic system is important for optimal management of aquaculture activities. 650 $aAquaculture 650 $aWater quality 650 $aWater reservoirs 650 $aLago 650 $aOreochromis Niloticus 650 $aQualidade da água 650 $aTilápia nilótica 653 $aAquacultura 653 $aCold front 653 $aFrente fria 700 1 $aSAMPAIO, F. G. 700 1 $aALCÂNTARA, E. 700 1 $aCURTARELLI, M. P. 700 1 $aOGASHAWARA, I. 700 1 $aSTECH, J. L. 773 $tAquaculture Environment Interactions$gv. 9, p. 385-403, 2017.
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