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Registros recuperados : 374 | |
101. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | MENDES, R. R.; TAKANO, H. K.; ADEGAS, F. S.; OLIVEIRA JUNIOR, R. S.; GAINES, T. A.; DAYAN, F. E. Arg-128-Leu target-site mutation in PPO2 evolves in wild poinsettia (Euphorbia heterophylla) with cross-resistance to PPO-inhibiting herbicides Weed Science, v. 68, n. 5, p. 437-444, 2020. Biblioteca(s): Embrapa Soja. |
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102. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | MARTINEZ, M. G.; CHALKIDIS, H. de M.; MOURA, A. M.; OLIVEIRA JUNIOR, R. C. de; CAMARGO, P. B. Bothrops atrox in captivity, change isotopic composition in tissues collected from different environments of the eastern Amazon. In: ECOLOGICAL SOCIETY OF AMERICA ANNUAL MEETING, 99., 2014, Sacramento. From Oceans to Mountains: It's All Ecology. [S.l.]: Ecological Society of America, 2014. Biblioteca(s): Embrapa Amazônia Oriental. |
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103. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | RODRIGUES, N. E.; OLIVEIRA JUNIOR, R. C. de; OLIVEIRA, D. R. de; SANTOS, D. B. dos; SILVA, A. D. da. Concentração de nutrientes em resíduos de colheita de plantios de soja no Oeste paraense. In: CONGRESSO DE CIÊNCIA E TECNOLOGIA DA AMAZÔNIA, 10.; SALÃO DE PESQUISA E INICIAÇÃO CIENTÍFICA, 17.; SALÃO DE EXTENSÃO, 4., 2017, Santarém. Caderno de resumos expandidos. Santarém: ULBRA, 2017. p. 82-86. Biblioteca(s): Embrapa Amazônia Oriental. |
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104. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | OLIVEIRA JUNIOR, R. S. de; GUERRA, N.; OSIPE, J. B.; FRANCHINI, L. H. M.; ADEGAS, F. S.; OSIPE, R. Herbicidas registrados para uso e resultados de pesquisa. In: CONSTANTIN, J.; OLIVEIRA JUNIOR, R. S. de; OLIVEIRA NETO, A. M. de (Ed.). Buva: fundamentos e recomendações para manejo. Curitiba: Omnipax, 2013. p. 65-89. Biblioteca(s): Embrapa Soja. |
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108. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | OLIVEIRA JUNIOR, R. C. de; CARVALHO, E. J. M.; OLIVEIRA, D. R. de; BELDINI, T. P.; SANTOS, D. B. dos. Efeito de sistemas de manejo sobre emissões de gases de efeito estufa em Latossolo amarelo muito argiloso de Paragominas-PA. In: CONGRESSO DE CIÊNCIA E TECNOLOGIA DA AMAZÔNIA, 10.; SALÃO DE PESQUISA E INICIAÇÃO CIENTÍFICA, 17.; SALÃO DE EXTENSÃO, 4., 2017, Santarém. Caderno de resumos expandidos. Santarém: ULBRA, 2017. p. 130-134. Biblioteca(s): Embrapa Amazônia Oriental. |
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109. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | OLIVEIRA JUNIOR, R. C. de; PIRES, A. V.; SUSIN, I.; FERNANDES, J. J. de R.; SANTOS, F. A. P. Digestibilidade de nutrientes em dietas de bovinos contendo uréia ou amiréia em substituição ao farelo de soja. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 39, n. 2, p. 173-178, fev. 2004 Título em inglês: Nutrient digestibility in cattle diet with urea or starea replacing soybean meal. Biblioteca(s): Embrapa Unidades Centrais. |
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110. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | OLIVEIRA JUNIOR, R. C. de; CARVALHO, E. J. M.; MACHADO, W. F.; SANTOS, D. B. dos; OLIVEIRA, D. R. de. Estoques de nitrogênio e carbono sob diferentes sistemas de uso e manejo de um Latossolo amarelo no município de Paragominas. In: CONGRESSO DE CIÊNCIA E TECNOLOGIA DA AMAZÔNIA, 10.; SALÃO DE PESQUISA E INICIAÇÃO CIENTÍFICA, 17.; SALÃO DE EXTENSÃO, 4., 2017, Santarém. Caderno de resumos expandidos. Santarém: ULBRA, 2017. p. 135-138. Biblioteca(s): Embrapa Amazônia Oriental. |
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111. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | OLIVEIRA JÚNIOR, R. C. de; SUSIN, I.; PIRES, A. V.; SIMAS, J. M. C. de; MORAIS, J. B. de. Efeito do uso de grão de soja na digestibilidade de nutrientes e parâmetros sanguíneos de cabras em lactação. Boletim de Indústria Animal, Nova Odessa, v. 59, n. 2, p. 167-175, 2002. Biblioteca(s): Embrapa Caprinos e Ovinos. |
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112. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | ZOBIOLE, L. H. S.; OLIVEIRA JÚNIOR, R. S. de; OLIVEIRA, F. A. de; CONSTANTIN, J.; OLIVEIRA JUNIOR, A. de. Effect of glyphosate on nutrient contents in glyphosate-resistant soybeans. In: WORLD SOYBEAN RESEARCH CONFERENCE, 8., 2009, Beijing. Developing a global soy blueprint for a safe secure and sustainable supply: abstracts. Beijing: Chinese Academy of Agricultural Sciences: Institute of Crop Science, 2009. p. 21, ref. O079. WSRC 2009. Editado por Lijuan Qiu, Rongxia Guan, Jian Jin, Qijan Song, Shuntang Guo, Wenbin Li, Yuanchao Wang, Tianfu Han, Xiaobing Liu, Deyue Yu, Lianzhou Jiang, Deliang Peng. Biblioteca(s): Embrapa Soja. |
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113. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | COSTA, F. F.; GUEDES, M. C.; OLIVEIRA JUNIOR, R. C. de; GUERREIRO, Q. L. de M.; OLIVEIRA, D. R. de. Densidade de castanheiras e estrutura vertical de florestas com castanhais na Amazônia Oriental. In: CONGRESSO DE CIÊNCIA E TECNOLOGIA DA AMAZÔNIA, 10.; SALÃO DE PESQUISA E INICIAÇÃO CIENTÍFICA, 17.; SALÃO DE EXTENSÃO, 4., 2017, Santarém. Caderno de resumos expandidos. Santarém: ULBRA, 2017. p. 91-96. Biblioteca(s): Embrapa Amapá. |
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114. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | COSTA, F. F.; GUEDES, M. C.; OLIVEIRA JUNIOR, R. C. de; GUERREIRO, Q. L. de M.; OLIVEIRA, D. R. de. Densidade de castanheiras e estrutura vertical de florestas com castanhais na Amazônia Oriental. In: CONGRESSO DE CIÊNCIA E TECNOLOGIA DA AMAZÔNIA, 10.; SALÃO DE PESQUISA E INICIAÇÃO CIENTÍFICA, 17.; SALÃO DE EXTENSÃO, 4., 2017, Santarém. Caderno de resumos expandidos. Santarém: ULBRA, 2017. p. 91-96. Biblioteca(s): Embrapa Amazônia Oriental. |
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115. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | CRUZ, E. K. S. da; ALVES, M. A.; GALLO, J.; OLIVEIRA JUNIOR, R. C. de; SANTOS, D. B. dos. Disponibilidade de cálcio e magnésio em solo, sob diferentes cultivos no planalto santareno. In: CONGRESSO DE CIÊNCIA E TECNOLOGIA DA AMAZÔNIA, 10.; SALÃO DE PESQUISA E INICIAÇÃO CIENTÍFICA, 17.; SALÃO DE EXTENSÃO, 4., 2017, Santarém. Caderno de resumos expandidos. Santarém: ULBRA, 2017. p. 111-114. Biblioteca(s): Embrapa Amazônia Oriental. |
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116. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | OLIVEIRA, V. R.; OLIVEIRA JUNIOR, R. S. de; MELO, V. de F.; PELUZIO, J. M.; FONTES, P. C. R. Distribuicao da producao de frutos nos cachos de cinco cultivares de tomateiro em dois sistemas de conducao. Revista Ceres, Vicosa, v.42, n.244, p.644-657, nov./dez. 1995. Biblioteca(s): Embrapa Hortaliças. |
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117. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | AGUIAR, D. R. de; OLIVEIRA JUNIOR, R. C. de; BELDINI, T. P.; SILVA, R. da; TAPAJÓS, R. Evapotranspiration and control mechanisms in managed Amazonian forest in, Pará, Brazil. African Journal of Agricultural Research, v. 12, n. 18, p. 1577-1586, May 2017. Biblioteca(s): Embrapa Amazônia Oriental. |
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119. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | OLIVEIRA, M. F. de; COLONNA, I.; PRATES, H. T.; MANTOVANI, E. C.; GOMIDE, R. L.; OLIVEIRA JUNIOR, R. S. de. Efeito do manejo do solo na retenção diferencial do imazaquin. In: SIMPÓSIO INTERNACIONAL DE AGRICULTURA DE PRECISÃO, 3., 2005, Sete Lagoas. [Anais]. Sete Lagoas: Embrapa Milho e Sorgo: UFV: SBEA: CIGR, 2005. 1 CD-ROM. Biblioteca(s): Embrapa Milho e Sorgo. |
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Registros recuperados : 374 | |
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![](/consulta/web/img/deny.png) | Acesso ao texto completo restrito à biblioteca da Embrapa Amazônia Oriental. Para informações adicionais entre em contato com cpatu.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Amazônia Oriental; Embrapa Territorial. |
Data corrente: |
09/08/2013 |
Data da última atualização: |
19/10/2022 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 2 |
Autoria: |
ESPÍRITO-SANTO, F. D. B.; KELLER, M. M.; LINDER, E.; OLIVEIRA JUNIOR, R. C. de; PEREIRA, C.; OLIVEIRA, C. G. |
Afiliação: |
Fernando D. B. Espírito-Santo, University of New Hampshire / Radar Science and Engineering Section; Michael M. Keller, University of New Hampshire / USDA / CNPM; Ernst Linder, University of New Hampshire; RAIMUNDO COSME DE OLIVEIRA JUNIOR, CPATU; Cleuton Pereira, CPATU; Cleber G. Oliveira, INPE. |
Título: |
Gap formation and carbon cycling in the Brazilian Amazon: measurement using high-resolution optical remote sensing and studies in large forest plots. |
Ano de publicação: |
2014 |
Fonte/Imprenta: |
Plant Ecology & Diversity, v. 7, n. 1/2, p. 305-318, 2014. |
ISSN: |
1755-0874 |
DOI: |
10.1080/17550874.2013.795629 |
Idioma: |
Inglês Português |
Conteúdo: |
Background: The dynamics of gaps plays a role in the regimes of tree mortality, production of coarse woody debris (CWD) and the variability of light in the forest understory. Aims: To quantify the area affected by, and the carbon fluxes associated with, natural gap-phase disturbances in a tropical lowland evergreen rain forest by use of ground measurements and high-resolution satellite images. Methods:We surveyed two large forest inventory plots of 114 and 53 ha of the Tapajós National Forest (TNF) in the Brazilian Amazon during 2008 and 2009, respectively. We mapped all gaps and collected data on light availability, CWD stocks and tree mortality in the field. Gap location, canopy openness (CO) and leaf area index (LAI) estimated in the field were compared with two IKONOS?2 high-resolution satellite images acquired at approximately the time of the field measurements. Results: In the two large plots (167 ha total area) we found 96 gaps. The gaps represented 1.42% of the total area and gaps <1-year-old accounted for 0.81% of the plot area. In TNF, the production of CWD in recent gaps was 0.76 Mg C ha−1 year−1 and the mean tree mortality was 2.38 stems ha−1 year−1. The area of gaps estimated using thresholds of light intensity measured by remote sensing optical instruments was twice as large as the gap areas measured on the ground. We found no significant correlation between spectral remote sensing images and CO or LAI, probably due to the high degree of shadow in the high-resolution satellite images. Conclusions: We present the first statistics of CWD production based on gap size in the tropical forest literature. Tree mortality and CWD flux and the forest floor light environment were closely related to gap area. However, less than 30% of the annual tree mortality and CWD flux was associated with gaps, and gaps were difficult to detect using remote sensing methods because of the high proportion of shadow in the images. These results highlight the need for permanent plots in long-term carbon studies. MenosBackground: The dynamics of gaps plays a role in the regimes of tree mortality, production of coarse woody debris (CWD) and the variability of light in the forest understory. Aims: To quantify the area affected by, and the carbon fluxes associated with, natural gap-phase disturbances in a tropical lowland evergreen rain forest by use of ground measurements and high-resolution satellite images. Methods:We surveyed two large forest inventory plots of 114 and 53 ha of the Tapajós National Forest (TNF) in the Brazilian Amazon during 2008 and 2009, respectively. We mapped all gaps and collected data on light availability, CWD stocks and tree mortality in the field. Gap location, canopy openness (CO) and leaf area index (LAI) estimated in the field were compared with two IKONOS?2 high-resolution satellite images acquired at approximately the time of the field measurements. Results: In the two large plots (167 ha total area) we found 96 gaps. The gaps represented 1.42% of the total area and gaps <1-year-old accounted for 0.81% of the plot area. In TNF, the production of CWD in recent gaps was 0.76 Mg C ha−1 year−1 and the mean tree mortality was 2.38 stems ha−1 year−1. The area of gaps estimated using thresholds of light intensity measured by remote sensing optical instruments was twice as large as the gap areas measured on the ground. We found no significant correlation between spectral remote sensing images and CO or LAI, probably due to the high degree of... Mostrar Tudo |
Palavras-Chave: |
Amazon; Canopy opening; Coarse wood debris gaps; IKONOS; Leaf area index natural disturbances; Tropical forest. |
Thesaurus NAL: |
Remote sensing. |
Categoria do assunto: |
-- P Recursos Naturais, Ciências Ambientais e da Terra |
Marc: |
LEADER 02993naa a2200289 a 4500 001 1982764 005 2022-10-19 008 2014 bl uuuu u00u1 u #d 022 $a1755-0874 024 7 $a10.1080/17550874.2013.795629$2DOI 100 1 $aESPÍRITO-SANTO, F. D. B. 245 $aGap formation and carbon cycling in the Brazilian Amazon$bmeasurement using high-resolution optical remote sensing and studies in large forest plots.$h[electronic resource] 260 $c2014 520 $aBackground: The dynamics of gaps plays a role in the regimes of tree mortality, production of coarse woody debris (CWD) and the variability of light in the forest understory. Aims: To quantify the area affected by, and the carbon fluxes associated with, natural gap-phase disturbances in a tropical lowland evergreen rain forest by use of ground measurements and high-resolution satellite images. Methods:We surveyed two large forest inventory plots of 114 and 53 ha of the Tapajós National Forest (TNF) in the Brazilian Amazon during 2008 and 2009, respectively. We mapped all gaps and collected data on light availability, CWD stocks and tree mortality in the field. Gap location, canopy openness (CO) and leaf area index (LAI) estimated in the field were compared with two IKONOS?2 high-resolution satellite images acquired at approximately the time of the field measurements. Results: In the two large plots (167 ha total area) we found 96 gaps. The gaps represented 1.42% of the total area and gaps <1-year-old accounted for 0.81% of the plot area. In TNF, the production of CWD in recent gaps was 0.76 Mg C ha−1 year−1 and the mean tree mortality was 2.38 stems ha−1 year−1. The area of gaps estimated using thresholds of light intensity measured by remote sensing optical instruments was twice as large as the gap areas measured on the ground. We found no significant correlation between spectral remote sensing images and CO or LAI, probably due to the high degree of shadow in the high-resolution satellite images. Conclusions: We present the first statistics of CWD production based on gap size in the tropical forest literature. Tree mortality and CWD flux and the forest floor light environment were closely related to gap area. However, less than 30% of the annual tree mortality and CWD flux was associated with gaps, and gaps were difficult to detect using remote sensing methods because of the high proportion of shadow in the images. These results highlight the need for permanent plots in long-term carbon studies. 650 $aRemote sensing 653 $aAmazon 653 $aCanopy opening 653 $aCoarse wood debris gaps 653 $aIKONOS 653 $aLeaf area index natural disturbances 653 $aTropical forest 700 1 $aKELLER, M. M. 700 1 $aLINDER, E. 700 1 $aOLIVEIRA JUNIOR, R. C. de 700 1 $aPEREIRA, C. 700 1 $aOLIVEIRA, C. G. 773 $tPlant Ecology & Diversity$gv. 7, n. 1/2, p. 305-318, 2014.
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