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Registro Completo |
Biblioteca(s): |
Embrapa Milho e Sorgo. |
Data corrente: |
14/06/2007 |
Data da última atualização: |
25/05/2018 |
Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
Autoria: |
OLIVEIRA, L. M. T. de; FRANÇA, G. B.; NICÁCIO, R. M.; COSTA, T. C. e C. da; ANTUNES, M. A. H. |
Afiliação: |
Luciana Mara Temponi de Oliveira, IBGE; Gutemberg Borges França, UFRJ/IGEO; Rosilene Mendonça Nicácio, UFRJ/IGEO; THOMAZ CORREA E CASTRO DA COSTA, CNPMS; Mauro Antonio Homem Antunes, UFRRJ/IT. |
Título: |
Analise de comportamento das regiões fitoecológicas brasileiras através de série temporal de NDVI. |
Ano de publicação: |
2007 |
Fonte/Imprenta: |
In: SIMPÓSIO BRASILEIRO DE SENSORIAMENTO REMOTO, 13., 2007, Florianópolis. São José dos Campos: INPE, 2007. p. 1765-1773. |
Idioma: |
Português |
Conteúdo: |
The objective of this study is to analyze the seasonal and interannual variations of the Phytoecological Regions through temporal series of the EF AI-NDVI (European Fourier-Adjusted and Interpolated NDVI), a processed dataset from NDVI of A VHRR, on which the processing steps led to the extraction of information of the vegetation indices through time. The analysis of time-series ITom this dataset reveals, for the years 1982-1999, seasonal and interannual variability on Brazilian land surface vegetation state. The values of greatest vegetative vigor go from January (in the South) to July (in the North) and this variation seems to occur repeatedly in those geographical regions and climatic factors. From the nine regions studied, Savanna and Estepic-Savanna, reached average criticallevels of the vegetation indices for the country. It was also found that the stratospheric aerosols ITom the Mt. Pinatubo volcanic eruption caused a reduction in the values of EF AI-NDVI. These data show the potential to monitoring vegetative state of the various vegetation types and also as an indicator for monitoring the annual and interannual variations ofvegetation state and functioning. |
Palavras-Chave: |
A VHRR; EF AI-NDVI; phytoecological regions; regiões fitoecológicas. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/52827/1/Analise-comportamento.pdf
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Marc: |
LEADER 01916nam a2200205 a 4500 001 1488013 005 2018-05-25 008 2007 bl uuuu u00u1 u #d 100 1 $aOLIVEIRA, L. M. T. de 245 $aAnalise de comportamento das regiões fitoecológicas brasileiras através de série temporal de NDVI.$h[electronic resource] 260 $aIn: SIMPÓSIO BRASILEIRO DE SENSORIAMENTO REMOTO, 13., 2007, Florianópolis. São José dos Campos: INPE, 2007. p. 1765-1773.$c2007 520 $aThe objective of this study is to analyze the seasonal and interannual variations of the Phytoecological Regions through temporal series of the EF AI-NDVI (European Fourier-Adjusted and Interpolated NDVI), a processed dataset from NDVI of A VHRR, on which the processing steps led to the extraction of information of the vegetation indices through time. The analysis of time-series ITom this dataset reveals, for the years 1982-1999, seasonal and interannual variability on Brazilian land surface vegetation state. The values of greatest vegetative vigor go from January (in the South) to July (in the North) and this variation seems to occur repeatedly in those geographical regions and climatic factors. From the nine regions studied, Savanna and Estepic-Savanna, reached average criticallevels of the vegetation indices for the country. It was also found that the stratospheric aerosols ITom the Mt. Pinatubo volcanic eruption caused a reduction in the values of EF AI-NDVI. These data show the potential to monitoring vegetative state of the various vegetation types and also as an indicator for monitoring the annual and interannual variations ofvegetation state and functioning. 653 $aA VHRR 653 $aEF AI-NDVI 653 $aphytoecological regions 653 $aregiões fitoecológicas 700 1 $aFRANÇA, G. B. 700 1 $aNICÁCIO, R. M. 700 1 $aCOSTA, T. C. e C. da 700 1 $aANTUNES, M. A. H.
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Embrapa Milho e Sorgo (CNPMS) |
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Registro Completo
Biblioteca(s): |
Embrapa Soja. |
Data corrente: |
10/01/2006 |
Data da última atualização: |
10/01/2006 |
Autoria: |
MOREIRA, A. G.; PEREIRA, C. O.; MELLO, R. N.; ALMEIDA, A. M.; ZERBINI, F. M. |
Título: |
Partial molecular characterization of two begomoviruses infecting soybean and associated weeds in Brazil. |
Ano de publicação: |
2005 |
Fonte/Imprenta: |
Fitopatologia Brasileira, Brasília, DF, v. 30, p. S 189, ago. 2005. Suplemento. ref. 801. |
Idioma: |
Português |
Notas: |
Edição dos Resumos do XXXVIII Congresso Brasileiro de Fitopatologia, Brasília, DF, ago. 2005. Nome correto do quarto autor: ALMEIDA, A. M. R. |
Conteúdo: |
Viruses in the genus Begomovirus have two genomic components of circular, single-stranded DNA, are transmitted by whiteflies and infect dicot plants. Although the economic importance of begomoviruses in soybean in Brazil is secondary, the detection of these pathogens in the crop is concerning. Samples of soybean and associated weeds showing begomovirus-like symptoms were collected in Paraná state. Infection was confirmed by PCR, and two putative nove I specles, provisionally named "virus A" and "virus B", were detected. The objective of this work was to characterize these two putative new species. Viral genomes were amplified using the DNA polymerase from phage phi29, cloned and sequenced. The complete DNA-B sequence of "virus A", and a partial DNA-A sequence of "virus B", were determined, Sequence comparisons and phylogenetic analyses indicated that the DNA-A from "virus B" and the DNA-B from "virus A" have the highest identity with Sida micrantha mosaic virus (SimMV) isolates A2 and B3, respectively. However, identity levels are below 89%, indicating that both viruses actually comprise novel begomovirus species. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01836naa a2200181 a 4500 001 1468739 005 2006-01-10 008 2005 bl --- 0-- u #d 100 1 $aMOREIRA, A. G. 245 $aPartial molecular characterization of two begomoviruses infecting soybean and associated weeds in Brazil. 260 $c2005 500 $aEdição dos Resumos do XXXVIII Congresso Brasileiro de Fitopatologia, Brasília, DF, ago. 2005. Nome correto do quarto autor: ALMEIDA, A. M. R. 520 $aViruses in the genus Begomovirus have two genomic components of circular, single-stranded DNA, are transmitted by whiteflies and infect dicot plants. Although the economic importance of begomoviruses in soybean in Brazil is secondary, the detection of these pathogens in the crop is concerning. Samples of soybean and associated weeds showing begomovirus-like symptoms were collected in Paraná state. Infection was confirmed by PCR, and two putative nove I specles, provisionally named "virus A" and "virus B", were detected. The objective of this work was to characterize these two putative new species. Viral genomes were amplified using the DNA polymerase from phage phi29, cloned and sequenced. The complete DNA-B sequence of "virus A", and a partial DNA-A sequence of "virus B", were determined, Sequence comparisons and phylogenetic analyses indicated that the DNA-A from "virus B" and the DNA-B from "virus A" have the highest identity with Sida micrantha mosaic virus (SimMV) isolates A2 and B3, respectively. However, identity levels are below 89%, indicating that both viruses actually comprise novel begomovirus species. 700 1 $aPEREIRA, C. O. 700 1 $aMELLO, R. N. 700 1 $aALMEIDA, A. M. 700 1 $aZERBINI, F. M. 773 $tFitopatologia Brasileira, Brasília, DF$gv. 30, p. S 189, ago. 2005. Suplemento. ref. 801.
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