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| 125. |  | RIZZON, L. A.; MIELE, A.; LAZZAROTTO, M.; CRISTOFOLI, B.; GUANDALIN, D. P.; FANTI, I. F. Análise de componentes principais na diferenciação de vinhos Moscato da Serra Gaúcha. In: CONGRESSO BRASILEIRO DE VITICULTURA E ENOLOGIA, 12., 2008, Bento Gonçalves. Anais... Bento Gonçalves: Embrapa Uva e Vinho, 2008. p. 173. Resumo.| Biblioteca(s): Embrapa Uva e Vinho. |
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| 134. | | PIRES, E. J. P.; MIELE, A.; TERRA, M. M.; PELLINSON, G. J. B. Técnicas especiales para mejorar la calidad de la uva de mesa empleadas en el estado de São Paulo, Brasil. Fruticultura Profesional, Barcelona, v. 15, n. 113, p. 56-66, 2000.| Biblioteca(s): Embrapa Uva e Vinho. |
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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. |
Registro Completo
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
08/07/2005 |
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Data da última atualização: |
02/12/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Internacional - A |
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Autoria: |
BAKER, T. R.; PHILLIPS, O. L.; MALHI, Y.; ALMEIDA, S.; ARROYO, L.; DI FIORE, A.; ERWIN, T.; HIGUCHI, N.; KILLEEN, T. J.; LAURENCE, S. G.; LAURENCE, W. F.; LEWIS, S. L.; MONTEAGUDO, A.; NEILL, D. A.; NÚNEZ VARGAS, P.; PITMAN, N. C. A.; SILVA, J. N. M.; VÁSQUEZ MARTÍNEZ, R. |
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Afiliação: |
Max-Planck-Institut für Biogeochemie / University of Leeds; University of Leeds; University of Edinburgh; MPEG; Museo Noel Kempff Mercado; New York University; Smithsonian Institution; INPA; Center for Applied Biodiversity Science, Conservation International; Smithsonian Tropical Research Institute; Smithsonian Tropical Research Institute; University of Leeds / University of Edinburgh; Universidad Nacional San Antonio Abad del Cusco / Jardin Botanico de Missouri; Missouri Botanical Garden, c/o Herbario Nacional del Ecuador; Universidad Nacional San Antonio Abad del Cusco; Duke University; JOSÉ NATALINO MACÊDO SILVA, Embrapa Amazônia Oriental; Jardin Botanico de Missouri. |
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Título: |
Increasing biomass in Amazonian forest plots. |
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Ano de publicação: |
2004 |
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Fonte/Imprenta: |
Philosophical Transactions of the Royal Society of London. B, v. 359, n. 1443, p. 353-365, Mar. 2004. |
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Descrição Física: |
il. |
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DOI: |
10.1098/rstb.2003.1422 |
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Idioma: |
Inglês |
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Conteúdo: |
A previous study by Phillips et al. of changes in the biomass of permanent sample plots in Amazonian forests was used to infer the presence of a regional carbon sink. However, these results generated a vigorous debate about sampling and methodological issues. Therefore we present a new analysis of biomass change in old?growth Amazonian forest plots using updated inventory data. We find that across 59 sites, the above?ground dry biomass in trees that are more than 10 cm in diameter (AGB) has increased since plot establishment by 1.22 ± 0.43 Mg per hectare per year (ha?1 yr?1), where 1 ha = 104 m2), or 0.98 ± 0.38 Mg ha?1 yr?1 if individual plot values are weighted by the number of hectare years of monitoring. This significant increase is neither confounded by spatial or temporal variation in wood specific gravity, nor dependent on the allometric equation used to estimate AGB. The conclusion is also robust to uncertainty about diameter measurements for problematic trees: for 34 plots in western Amazon forests a significant increase in AGB is found even with a conservative assumption of zero growth for all trees where diameter measurements were made using optical methods and/or growth rates needed to be estimated following fieldwork. Overall, our results suggest a slightly greater rate of net stand?level change than was reported by Phillips et al. Considering the spatial and temporal scale of sampling and associated studies showing increases in forest growth and stem turnover, the results presented here suggest that the total biomass of these plots has on average increased and that there has been a regional?scale carbon sink in old?growth Amazonian forests during the previous two decades. MenosA previous study by Phillips et al. of changes in the biomass of permanent sample plots in Amazonian forests was used to infer the presence of a regional carbon sink. However, these results generated a vigorous debate about sampling and methodological issues. Therefore we present a new analysis of biomass change in old?growth Amazonian forest plots using updated inventory data. We find that across 59 sites, the above?ground dry biomass in trees that are more than 10 cm in diameter (AGB) has increased since plot establishment by 1.22 ± 0.43 Mg per hectare per year (ha?1 yr?1), where 1 ha = 104 m2), or 0.98 ± 0.38 Mg ha?1 yr?1 if individual plot values are weighted by the number of hectare years of monitoring. This significant increase is neither confounded by spatial or temporal variation in wood specific gravity, nor dependent on the allometric equation used to estimate AGB. The conclusion is also robust to uncertainty about diameter measurements for problematic trees: for 34 plots in western Amazon forests a significant increase in AGB is found even with a conservative assumption of zero growth for all trees where diameter measurements were made using optical methods and/or growth rates needed to be estimated following fieldwork. Overall, our results suggest a slightly greater rate of net stand?level change than was reported by Phillips et al. Considering the spatial and temporal scale of sampling and associated studies showing increases in forest growth and stem turnover, ... Mostrar Tudo |
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Thesagro: |
Biomassa; Carbono; Floresta Tropical. |
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Thesaurus NAL: |
Amazonia. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02798naa a2200397 a 4500
001 1406997
005 2022-12-02
008 2004 bl uuuu u00u1 u #d
024 7 $a10.1098/rstb.2003.1422$2DOI
100 1 $aBAKER, T. R.
245 $aIncreasing biomass in Amazonian forest plots.$h[electronic resource]
260 $c2004
300 $cil.
520 $aA previous study by Phillips et al. of changes in the biomass of permanent sample plots in Amazonian forests was used to infer the presence of a regional carbon sink. However, these results generated a vigorous debate about sampling and methodological issues. Therefore we present a new analysis of biomass change in old?growth Amazonian forest plots using updated inventory data. We find that across 59 sites, the above?ground dry biomass in trees that are more than 10 cm in diameter (AGB) has increased since plot establishment by 1.22 ± 0.43 Mg per hectare per year (ha?1 yr?1), where 1 ha = 104 m2), or 0.98 ± 0.38 Mg ha?1 yr?1 if individual plot values are weighted by the number of hectare years of monitoring. This significant increase is neither confounded by spatial or temporal variation in wood specific gravity, nor dependent on the allometric equation used to estimate AGB. The conclusion is also robust to uncertainty about diameter measurements for problematic trees: for 34 plots in western Amazon forests a significant increase in AGB is found even with a conservative assumption of zero growth for all trees where diameter measurements were made using optical methods and/or growth rates needed to be estimated following fieldwork. Overall, our results suggest a slightly greater rate of net stand?level change than was reported by Phillips et al. Considering the spatial and temporal scale of sampling and associated studies showing increases in forest growth and stem turnover, the results presented here suggest that the total biomass of these plots has on average increased and that there has been a regional?scale carbon sink in old?growth Amazonian forests during the previous two decades.
650 $aAmazonia
650 $aBiomassa
650 $aCarbono
650 $aFloresta Tropical
700 1 $aPHILLIPS, O. L.
700 1 $aMALHI, Y.
700 1 $aALMEIDA, S.
700 1 $aARROYO, L.
700 1 $aDI FIORE, A.
700 1 $aERWIN, T.
700 1 $aHIGUCHI, N.
700 1 $aKILLEEN, T. J.
700 1 $aLAURENCE, S. G.
700 1 $aLAURENCE, W. F.
700 1 $aLEWIS, S. L.
700 1 $aMONTEAGUDO, A.
700 1 $aNEILL, D. A.
700 1 $aNÚNEZ VARGAS, P.
700 1 $aPITMAN, N. C. A.
700 1 $aSILVA, J. N. M.
700 1 $aVÁSQUEZ MARTÍNEZ, R.
773 $tPhilosophical Transactions of the Royal Society of London. B$gv. 359, n. 1443, p. 353-365, Mar. 2004.
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