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 | Acesso ao texto completo restrito à biblioteca da Embrapa Amazônia Oriental. Para informações adicionais entre em contato com cpatu.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
18/12/2009 |
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Data da última atualização: |
08/06/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MARKEWITZ, D.; RESENDE, J. C. F.; PARRON, L.; BUSTAMANTE, M.; KLINK, C. A.; FIGUEIREDO, R. de O.; DAVIDSON, E. A. |
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Afiliação: |
DANIEL MARKEWITZ, The University of Georgia; JULIO C. F. RESENDE, UNB; LUCILIA PARRON, UNB; MERCEDES BUSTAMANTE, UNB; CARLOS A. KLINK, UNB; RICARDO DE OLIVEIRA FIGUEIREDO, CPATU; ERIC A. DAVIDSON, The Woods Hole Research Center. |
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Título: |
Dissolved rainfall inputs and streamwater outputs in an undisturbed watershed on highly weathered soils in the brazilian cerrado. |
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Ano de publicação: |
2006 |
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Fonte/Imprenta: |
Hydrological Processes, v. 20, n. 12, p. 2615-2639, Aug. 2006. |
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DOI: |
10.1002/hyp.6219 |
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Idioma: |
Inglês |
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Conteúdo: |
The cerrados of Brazil cover 2 million km2. Despite the extent of these seasonally dry ecosystems, little watershed research has been focused in this region, particularly relative to the watersheds of the Amazon Basin. The cerrado shares pedogenic characteristics with the Amazon Basin in draining portions of the Brazilian shield and in possessing Oxisols over much of the landscape. The objective of this research was to quantify the stream water geochemical relationships of an undisturbed 1200 ha cerrado watershed for comparison to river geochemistry in the Amazon. Furthermore, this undisturbed watershed was used to evaluate stream discharge versus dissolved ion concentration relationships. This research was conducted in the Córrego Roncador watershed of the Reserva Ecológica do Roncador (RECOR) of the Instituto Brasileiro Geografia e Estatística (IBGE) near Brasilia, Brazil. Bulk precipitation and stream water chemistry were analysed between May 1998 and May 2000. The upland soils of this watershed are nutrient poor possessing total stocks of exchangeable elements in the upper 1 m of 81 ± 13, 77 ± 4, 25 ± 3, and 1 ± 1 kg ha?1 of K, Ca, Mg, and P, respectively. Bulk precipitation inputs of dissolved nutrients for this watershed are low and consistent with previous estimates. The nutrient-poor soils of this watershed, however, increase the relative importance of precipitation for nutrient replenishment to vegetation during episodes of ecosystem disturbance. Stream water dissolved loads were extremely dilute with conductivities ranging from 4 to 10 µS cm?1 during periods of high- and low-flow, respectively. Despite the low concentrations in this stream, geochemical relationships were similar to other Amazonian streams draining shield geologies. Discharge-concentration relationships for Ca and Mg in these highly weathered soils developed from igneous rocks of the Brazilian shield demonstrated a significant negative relationship indicating a continued predominance of groundwater baseflow contributions these cationic elements. Copyright © 2006 John Wiley & Sons, Ltd. MenosThe cerrados of Brazil cover 2 million km2. Despite the extent of these seasonally dry ecosystems, little watershed research has been focused in this region, particularly relative to the watersheds of the Amazon Basin. The cerrado shares pedogenic characteristics with the Amazon Basin in draining portions of the Brazilian shield and in possessing Oxisols over much of the landscape. The objective of this research was to quantify the stream water geochemical relationships of an undisturbed 1200 ha cerrado watershed for comparison to river geochemistry in the Amazon. Furthermore, this undisturbed watershed was used to evaluate stream discharge versus dissolved ion concentration relationships. This research was conducted in the Córrego Roncador watershed of the Reserva Ecológica do Roncador (RECOR) of the Instituto Brasileiro Geografia e Estatística (IBGE) near Brasilia, Brazil. Bulk precipitation and stream water chemistry were analysed between May 1998 and May 2000. The upland soils of this watershed are nutrient poor possessing total stocks of exchangeable elements in the upper 1 m of 81 ± 13, 77 ± 4, 25 ± 3, and 1 ± 1 kg ha?1 of K, Ca, Mg, and P, respectively. Bulk precipitation inputs of dissolved nutrients for this watershed are low and consistent with previous estimates. The nutrient-poor soils of this watershed, however, increase the relative importance of precipitation for nutrient replenishment to vegetation during episodes of ecosystem disturbance. Stream water dissol... Mostrar Tudo |
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Palavras-Chave: |
Watershed. |
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Thesaurus Nal: |
geochemistry; nutrient balance. |
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Categoria do assunto: |
-- |
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Marc: |
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001 1578388
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024 7 $a10.1002/hyp.6219$2DOI
100 1 $aMARKEWITZ, D.
245 $aDissolved rainfall inputs and streamwater outputs in an undisturbed watershed on highly weathered soils in the brazilian cerrado.$h[electronic resource]
260 $c2006
520 $aThe cerrados of Brazil cover 2 million km2. Despite the extent of these seasonally dry ecosystems, little watershed research has been focused in this region, particularly relative to the watersheds of the Amazon Basin. The cerrado shares pedogenic characteristics with the Amazon Basin in draining portions of the Brazilian shield and in possessing Oxisols over much of the landscape. The objective of this research was to quantify the stream water geochemical relationships of an undisturbed 1200 ha cerrado watershed for comparison to river geochemistry in the Amazon. Furthermore, this undisturbed watershed was used to evaluate stream discharge versus dissolved ion concentration relationships. This research was conducted in the Córrego Roncador watershed of the Reserva Ecológica do Roncador (RECOR) of the Instituto Brasileiro Geografia e Estatística (IBGE) near Brasilia, Brazil. Bulk precipitation and stream water chemistry were analysed between May 1998 and May 2000. The upland soils of this watershed are nutrient poor possessing total stocks of exchangeable elements in the upper 1 m of 81 ± 13, 77 ± 4, 25 ± 3, and 1 ± 1 kg ha?1 of K, Ca, Mg, and P, respectively. Bulk precipitation inputs of dissolved nutrients for this watershed are low and consistent with previous estimates. The nutrient-poor soils of this watershed, however, increase the relative importance of precipitation for nutrient replenishment to vegetation during episodes of ecosystem disturbance. Stream water dissolved loads were extremely dilute with conductivities ranging from 4 to 10 µS cm?1 during periods of high- and low-flow, respectively. Despite the low concentrations in this stream, geochemical relationships were similar to other Amazonian streams draining shield geologies. Discharge-concentration relationships for Ca and Mg in these highly weathered soils developed from igneous rocks of the Brazilian shield demonstrated a significant negative relationship indicating a continued predominance of groundwater baseflow contributions these cationic elements. Copyright © 2006 John Wiley & Sons, Ltd.
650 $ageochemistry
650 $anutrient balance
653 $aWatershed
700 1 $aRESENDE, J. C. F.
700 1 $aPARRON, L.
700 1 $aBUSTAMANTE, M.
700 1 $aKLINK, C. A.
700 1 $aFIGUEIREDO, R. de O.
700 1 $aDAVIDSON, E. A.
773 $tHydrological Processes$gv. 20, n. 12, p. 2615-2639, Aug. 2006.
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Registro original: |
Embrapa Amazônia Oriental (CPATU) |
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| Registros recuperados : 175 | |
| 121. |  | MARKEWITZ, D.; RESENDE, J. C. F.; PARRON, L.; BUSTAMANTE, M.; KLINK, C. A.; FIGUEIREDO, R. de O.; DAVIDSON, E. A. Dissolved rainfall inputs and streamwater outputs in an undisturbed watershed on highly weathered soils in the brazilian cerrado. Hydrological Processes, v. 20, n. 12, p. 2615-2639, Aug. 2006.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: Internacional - A |
| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 123. | | SILVA, M. P. da; PARRON, L. M.; MAZZA, C. A. da S.; POTT, A.; MAURO, R. de A. Composicao botanica da dieta de bubalinos no Pantanal Mato-Grossense da Nhecolandia, MS. In: REUNIAO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 26., 1989, Porto Alegre. Anais... Porto Alegre: SBZ, 1989. p.90.| Biblioteca(s): Embrapa Pantanal. |
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| 124. | | SCHLEDER, A. A.; PARRON, L. M.; HANSEL, F. A.; FROEHNER, S.; PALAGANO, L. T.; ROSA FILHO, E. F. da. Evaluation of occurrence of NO3-, coliform and atrazine in a karst aquifer, Colombo, PR. Revista Brasileira de Recursos Hídricos, Porto Alegre, v. 22, e20, 2017.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Florestas. |
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| 126. | | COSER, T. R.; PARRON, L. M.; MADALENA, J. O.; DUBOC, E.; LARANJEIRA, N.; DALLACORTE, J. L.; CAMARGOS, J. M. R. Escolas rurais e gestão de recursos hídricos: a experiência da Embrapa Cerrados. In: ENCONTRO DE JOVENS TALENTOS DA EMBRAPA CERRADOS, 3., 2007, Planaltina, DF. Resumos apresentados. Planaltina, DF: Embrapa Cerrados, 2007. p. 52. (Embrapa Cerrados. Documentos, 176).| Tipo: Resumo em Anais de Congresso | Circulação/Nível: -- - -- |
| Biblioteca(s): Embrapa Cerrados. |
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| 127. | | PEIXOTO, R. T. dos G.; MAIA, C. M. B. de F.; SANTOS, L. M. dos; PARRON, L. M. Dendrometric aspects of the biochar application in Eucalyptus urograndis. Pesquisa Florestal Brasileira, Colombo, v. 39, (nesp), e201902043, 2019. p. 658. Edição especial dos resumos do IUFRO World Congress, 25., 2019, Curitiba.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Florestas. |
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| 128. | | PEIXOTO, R. T. dos G.; MAIA, C. M. B. de F.; SANTOS, L. M. dos; PARRON, L. M. Dendrometric aspects of the biochar application in Eucalyptus urograndis. Pesquisa Florestal Brasileira, v. 39, e201902043, p. 658, 2019. Special issue. Abstracts of the XXV IUFRO World Congress, Curitiba, Sept./Oct. 2019.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Solos. |
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| 133. | | SILVA, K. da; BOGNOLA, I. A.; PEIXOTO, R. T. dos G.; SANTOS, L. M. dos; PARRON, L. M.; MAIA, C. M. B. de F. Atividade da urease em plantio de eucalipto com aplicação de biochar. In: ENCONTRO BRASILEIRO DE SILVICULTURA, 4., 2018, Ribeirão Preto. Anais... Brasília, DF: Embrapa; Colombo: Embrapa Florestas, 2018. p. 267-269.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Solos. |
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| 134. | | SILVA, K. da; BOGNOLA, I. A.; PEIXOTO, R. T. dos G.; SANTOS, L. M. dos; PARRON, L. M.; MAIA, C. M. B. de F. Atividade da urease em plantio de eucalipto com aplicação de biochar. In: ENCONTRO BRASILEIRO DE SILVICULTURA, 4., 2018, Ribeirão Preto. Anais. Brasília, DF: Embrapa; Colombo: Embrapa Florestas, 2018. p. 267-269.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Florestas. |
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| 135. | | SILVA, H. da; FAVARETTO, N.; CAVALIERI, K. M. V.; DIECKOW, J.; VEZZANI, F. M.; PARRON, L. M.; CHEROBIM, V. F.; MARIOTI, J.; FERRARI NETO, H. Atributos físicos do solo e escoamento superficial como indicadores de serviços ambientais. In: PARRON, L. M.; GARCIA, J. R.; OLIVEIRA, E. B. de; BROWN, G. G.; PRADO, R. B. (Ed.). Serviços ambientais em sistemas agrícolas e florestais do Bioma Mata Atlântica. Brasília, DF : Embrapa, 2015. p. 71-83. Capítulo 5.| Tipo: Capítulo em Livro Técnico-Científico |
| Biblioteca(s): Embrapa Florestas. |
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| 136. | | PEIXOTO, R. T. dos G.; PARRON, L. M.; SILVA, K. da; BOGNOLA, I. A.; SANTOS, L. M. dos; MAIA, C. M. B. de F. Aspectos dendrométricos de plantio de eucaliptos em solos com biochar. In: ENCONTRO BRASILEIRO DE SILVICULTURA, 4., 2018, Ribeirão Preto. Anais... Brasília, DF: Embrapa; Colombo: Embrapa Florestas, 2018. p. 397-400.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Solos. |
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| 137. | | PEIXOTO, R. T. dos G.; PARRON, L. M.; SILVA, K. da; BOGNOLA, I. A.; SANTOS, L. M. dos; MAIA, C. M. B. de F. Aspectos dendrométricos de plantio de eucaliptos em solos com biochar. In: ENCONTRO BRASILEIRO DE SILVICULTURA, 4., 2018, Ribeirão Preto. Anais. Brasília, DF: Embrapa; Colombo: Embrapa Florestas, 2018. p. 397-400.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Florestas. |
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| 138. | | PARRON, L. M.; GARCIA, J. R.; FAVARETTO, N.; MAIA, C. M. B. de F.; BROWN, G. G.; CARDOSO, D. J.; PORFIRIO-DA-SILVA, V. Assessment of indicators of ecosystem services across a gradient of land uses in Southern Brazil. Pesquisa Florestal Brasileira, Colombo, v. 39, (nesp), e201902043, 2019. p. 493-494. Edição especial dos resumos do IUFRO World Congress, 25., 2019, Curitiba.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Florestas. |
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| 140. | | PARRON, L. M.; GARCIA, J. R.; RACHWAL, M. F. G.; FRANCHINI, J. C.; FRANCISCON, L.; PORFIRIO-DA-SILVA, V.; BROWN, G. G. Avaliação de serviços ambientais no âmbito do projeto ServiAmbi. In: PARRON, L. M.; GARCIA, J. R.; OLIVEIRA, E. B. de; BROWN, G. G.; PRADO, R. B. (Ed.). Serviços ambientais em sistemas agrícolas e florestais do Bioma Mata Atlântica. Brasília, DF : Embrapa, 2015. p. 36-46. Capítulo 2.| Tipo: Capítulo em Livro Técnico-Científico |
| Biblioteca(s): Embrapa Florestas; Embrapa Soja. |
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| Registros recuperados : 175 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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