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 | Acesso ao texto completo restrito à biblioteca da Embrapa Amazônia Ocidental. Para informações adicionais entre em contato com cpaa.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Ocidental. |
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Data corrente: |
08/01/1997 |
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Data da última atualização: |
18/02/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MCWILLIAM, A. L. C.; ROBERTS, J. M.; CABRAL, O. M. R.; LEITAO, M. V. B. R.; COSTA, A. C. L. de; MAITELLI, G. T.; ZAMPARONI, C. A. G. P. |
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Afiliação: |
Institute of Hydrology; EMBRAPA-CPAA; INPE; UFMG.; OSVALDO MACHADO RODRIGUES CABRAL, CPAA. |
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Título: |
Leaf area index and above-ground biomass of terra firme rain forest and adjacent clearings in Amazonia. |
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Ano de publicação: |
1993 |
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Fonte/Imprenta: |
Functional Ecology, v. 7, n. 3, p. 310-317, 1993. |
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Idioma: |
Inglês |
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Conteúdo: |
Leaf area index (L*) and above-ground biomass were determined by destructive sampling for a 400m2 area of terra firme Amazonian rain forest and for an adjacent clearing. While L* in the forest varied considerably with height though the canopy for four separately sampled 100m2 subplots, the cumulative L* was similar with a mean value of 5.7 + ou - 0.5. The total above-ground dry biomass of the forest was 265 + ou - 95t ha-1, while the leaf dry biomass was 6.3 + ou - 0.5t ha-1. The specific leaf area (SLA, cm2g-1) was determined, and found to vary linearlywith canopy depth rising from 65cm2g-1 at the canopy top, to 114cm2g-1at 5m above the forest floor. The average for the four subplots was 90cm2g-1. The leaf area index of grass in the clearing (blade only) averaged 0.8 + ou - 0.4, and total green area index (blade + stem) averaged 1.2 + ou - 0.6. Total above-ground dry biomass (blade, stem) was 2.3 + ou - 0.6t ha-1, while including dead plant material gave a total dry biomass of 5.6 + ou - 2.1t ha-1. Specific leaf area of the grass was 79cm2g-1. The results clearly demonstrate the profound change in leaf area and biomass which accompany Amazonian deforestation. |
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Palavras-Chave: |
Brasil; Dry matter; Tropical rain forest. |
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Thesagro: |
Área Foliar; Biomassa; Desmatamento; Floresta Tropical Úmida; Folha; Matéria Seca. |
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Thesaurus Nal: |
Amazonia; biomass; deforestation; leaf area; leaves. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02157naa a2200361 a 4500
001 1667430
005 2020-02-18
008 1993 bl uuuu u00u1 u #d
100 1 $aMCWILLIAM, A. L. C.
245 $aLeaf area index and above-ground biomass of terra firme rain forest and adjacent clearings in Amazonia.
260 $c1993
520 $aLeaf area index (L*) and above-ground biomass were determined by destructive sampling for a 400m2 area of terra firme Amazonian rain forest and for an adjacent clearing. While L* in the forest varied considerably with height though the canopy for four separately sampled 100m2 subplots, the cumulative L* was similar with a mean value of 5.7 + ou - 0.5. The total above-ground dry biomass of the forest was 265 + ou - 95t ha-1, while the leaf dry biomass was 6.3 + ou - 0.5t ha-1. The specific leaf area (SLA, cm2g-1) was determined, and found to vary linearlywith canopy depth rising from 65cm2g-1 at the canopy top, to 114cm2g-1at 5m above the forest floor. The average for the four subplots was 90cm2g-1. The leaf area index of grass in the clearing (blade only) averaged 0.8 + ou - 0.4, and total green area index (blade + stem) averaged 1.2 + ou - 0.6. Total above-ground dry biomass (blade, stem) was 2.3 + ou - 0.6t ha-1, while including dead plant material gave a total dry biomass of 5.6 + ou - 2.1t ha-1. Specific leaf area of the grass was 79cm2g-1. The results clearly demonstrate the profound change in leaf area and biomass which accompany Amazonian deforestation.
650 $aAmazonia
650 $abiomass
650 $adeforestation
650 $aleaf area
650 $aleaves
650 $aÁrea Foliar
650 $aBiomassa
650 $aDesmatamento
650 $aFloresta Tropical Úmida
650 $aFolha
650 $aMatéria Seca
653 $aBrasil
653 $aDry matter
653 $aTropical rain forest
700 1 $aROBERTS, J. M.
700 1 $aCABRAL, O. M. R.
700 1 $aLEITAO, M. V. B. R.
700 1 $aCOSTA, A. C. L. de
700 1 $aMAITELLI, G. T.
700 1 $aZAMPARONI, C. A. G. P.
773 $tFunctional Ecology$gv. 7, n. 3, p. 310-317, 1993.
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