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 | Acesso ao texto completo restrito à biblioteca da Embrapa Instrumentação. Para informações adicionais entre em contato com cnpdia.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Instrumentação. |
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Data corrente: |
29/01/2018 |
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Data da última atualização: |
25/06/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
CARVALHO, K. T. G.; NOGUEIRA, A. E.; LOPES, O. F.; BYZYNSKI, G.; OLIVEIRA, C. R. de. |
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Afiliação: |
CAUE RIBEIRO DE OLIVEIRA, CNPDIA. |
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Título: |
Synthesis of g-C3N4/Nb2O5 heterostructures and their application in the removal of organic pollutants under visible and ultraviolet irradiation. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
In: Ceramics International, v. 43, 2017. |
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Páginas: |
3521-3530 |
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ISSN: |
0272-8842 |
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DOI: |
https://doi.org/10.1016/j.ceramint.2016.11.063 |
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Idioma: |
Inglês |
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Palavras-Chave: |
G-C3N4/Nb2O5 heterojunction; Organic dye; Photodegradation mechanism; Water decontamination. |
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Thesaurus Nal: |
adsorption. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00844naa a2200253 a 4500
001 2086601
005 2018-06-25
008 2017 bl uuuu u00u1 u #d
022 $a0272-8842
024 7 $ahttps://doi.org/10.1016/j.ceramint.2016.11.063$2DOI
100 1 $aCARVALHO, K. T. G.
245 $aSynthesis of g-C3N4/Nb2O5 heterostructures and their application in the removal of organic pollutants under visible and ultraviolet irradiation.$h[electronic resource]
260 $c2017
300 $a3521-3530
650 $aadsorption
653 $aG-C3N4/Nb2O5 heterojunction
653 $aOrganic dye
653 $aPhotodegradation mechanism
653 $aWater decontamination
700 1 $aNOGUEIRA, A. E.
700 1 $aLOPES, O. F.
700 1 $aBYZYNSKI, G.
700 1 $aOLIVEIRA, C. R. de
773 $tIn: Ceramics International$gv. 43, 2017.
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Embrapa Instrumentação (CNPDIA) |
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Registro Completo
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
27/08/2012 |
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Data da última atualização: |
10/11/2022 |
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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: |
SCHWARTZ, G.; PEÑA-CLAROS, M.; LOPES, J. C. A.; GODEFRIDUS, M. J. M.; KANASHIRO, M. |
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Afiliação: |
GUSTAVO SCHWARTZ, CPATU; MARILEOS PEÑA-CLAROS, WAGENINGEN UNIVERSITY; JOSE DO CARMO ALVES LOPES, CPATU; M. J. MOHREN GODEFRIDUS, WAGENINGEN UNIVERSITY; MILTON KANASHIRO, CPATU. |
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Título: |
Mid-term effects of reduced-impact logging on the regeneration of seven tree commercial species in the Eastern Amazon. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Forest Ecology and Management, v. 274, p. 116-125, Jun. 2012. |
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Idioma: |
Inglês |
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Conteúdo: |
Reduced-impact logging (RIL) is a set of techniques aimed to maintain forest structure and functions of the harvested forest as similar as possible to pre-logging status, while reducing adverse impacts from logging activity on the remaining forest. We analysed the mid-term effects of RIL on the regeneration of the long-lived pioneers (LLP) Bagassa guianensis and Jacaranda copaia; the partially shade tolerant (PST) Hymenaea courbaril, Dipteryx odorata, and Carapa guianensis and the total shade tolerant species (TST) Symphonia globulifera and Manilkara huberi. This study was carried out in an intensive study plot in the 600,000-ha Tapajós National Forest, Eastern Amazon ? Brazil (03 020S and 54 560W). Three transects split in 10 10 m plots, adding up to 2.37 ha were sampled in an area where RIL was applied, and compared with a same size sampling in an unlogged area. The regeneration of individuals 620 cm in dbh was inventoried and measured before logging in 2003 and three times after logging (2004, 2006, and 2009). RIL modi?ed the forest structure creating more gap-phase plots, with the consequences of such disturbance still remaining after 6 years. Densities of B. guianensis, J. copaia, and S. globulifera increased, while C. guianensis diminished. The positive effect on the density of LLP species was, however, ephemeral and disappeared 2 years after logging. RIL had a positive effect on the height growth rate of S. globulifera and on the dbh growth rate of C. guianensis. Plants growing in the gap-phase plots had higher height growth rates (ANOVA, F2;2980 = 33.3, p < 0.001) than plants growing in other phases, but the same difference was not observed for dbh growth rates (ANOVA, F1;364 = 0.9, p = 0.33). Crown position had positive effects on height and dbh growth rates: the higher the crown position, the faster the plant grows in height (ANOVA, F3;2979 = 148.4, p < 0.001) and dbh (ANOVA, F3;362 = 26.1, p < 0.001). The application of RIL following the Brazilian regulations, may be considered a silvicultural technique for increasing density and growth rates of commercial species, but additional silvicultural interventions, as liberation for example, might be required for maintaining the ecological outcomes of RIL in the long run. MenosReduced-impact logging (RIL) is a set of techniques aimed to maintain forest structure and functions of the harvested forest as similar as possible to pre-logging status, while reducing adverse impacts from logging activity on the remaining forest. We analysed the mid-term effects of RIL on the regeneration of the long-lived pioneers (LLP) Bagassa guianensis and Jacaranda copaia; the partially shade tolerant (PST) Hymenaea courbaril, Dipteryx odorata, and Carapa guianensis and the total shade tolerant species (TST) Symphonia globulifera and Manilkara huberi. This study was carried out in an intensive study plot in the 600,000-ha Tapajós National Forest, Eastern Amazon ? Brazil (03 020S and 54 560W). Three transects split in 10 10 m plots, adding up to 2.37 ha were sampled in an area where RIL was applied, and compared with a same size sampling in an unlogged area. The regeneration of individuals 620 cm in dbh was inventoried and measured before logging in 2003 and three times after logging (2004, 2006, and 2009). RIL modi?ed the forest structure creating more gap-phase plots, with the consequences of such disturbance still remaining after 6 years. Densities of B. guianensis, J. copaia, and S. globulifera increased, while C. guianensis diminished. The positive effect on the density of LLP species was, however, ephemeral and disappeared 2 years after logging. RIL had a positive effect on the height growth rate of S. globulifera and on the dbh growth rate of C. guianensis. Plan... Mostrar Tudo |
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Thesagro: |
Árvore; Regeneração. |
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Thesaurus NAL: |
Amazonia. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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Marc: |
LEADER 02908naa a2200205 a 4500
001 1932244
005 2022-11-10
008 2012 bl uuuu u00u1 u #d
100 1 $aSCHWARTZ, G.
245 $aMid-term effects of reduced-impact logging on the regeneration of seven tree commercial species in the Eastern Amazon.$h[electronic resource]
260 $c2012
520 $aReduced-impact logging (RIL) is a set of techniques aimed to maintain forest structure and functions of the harvested forest as similar as possible to pre-logging status, while reducing adverse impacts from logging activity on the remaining forest. We analysed the mid-term effects of RIL on the regeneration of the long-lived pioneers (LLP) Bagassa guianensis and Jacaranda copaia; the partially shade tolerant (PST) Hymenaea courbaril, Dipteryx odorata, and Carapa guianensis and the total shade tolerant species (TST) Symphonia globulifera and Manilkara huberi. This study was carried out in an intensive study plot in the 600,000-ha Tapajós National Forest, Eastern Amazon ? Brazil (03 020S and 54 560W). Three transects split in 10 10 m plots, adding up to 2.37 ha were sampled in an area where RIL was applied, and compared with a same size sampling in an unlogged area. The regeneration of individuals 620 cm in dbh was inventoried and measured before logging in 2003 and three times after logging (2004, 2006, and 2009). RIL modi?ed the forest structure creating more gap-phase plots, with the consequences of such disturbance still remaining after 6 years. Densities of B. guianensis, J. copaia, and S. globulifera increased, while C. guianensis diminished. The positive effect on the density of LLP species was, however, ephemeral and disappeared 2 years after logging. RIL had a positive effect on the height growth rate of S. globulifera and on the dbh growth rate of C. guianensis. Plants growing in the gap-phase plots had higher height growth rates (ANOVA, F2;2980 = 33.3, p < 0.001) than plants growing in other phases, but the same difference was not observed for dbh growth rates (ANOVA, F1;364 = 0.9, p = 0.33). Crown position had positive effects on height and dbh growth rates: the higher the crown position, the faster the plant grows in height (ANOVA, F3;2979 = 148.4, p < 0.001) and dbh (ANOVA, F3;362 = 26.1, p < 0.001). The application of RIL following the Brazilian regulations, may be considered a silvicultural technique for increasing density and growth rates of commercial species, but additional silvicultural interventions, as liberation for example, might be required for maintaining the ecological outcomes of RIL in the long run.
650 $aAmazonia
650 $aÁrvore
650 $aRegeneração
700 1 $aPEÑA-CLAROS, M.
700 1 $aLOPES, J. C. A.
700 1 $aGODEFRIDUS, M. J. M.
700 1 $aKANASHIRO, M.
773 $tForest Ecology and Management$gv. 274, p. 116-125, Jun. 2012.
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