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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
17/08/2006 |
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Data da última atualização: |
13/02/2025 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MALHI, Y.; BAKER, T. R.; PHILLIPS, O. L.; ALMEIDA, S.; ALVAREZ, E.; ARROYO, L.; CHAVE, J.; CZIMCZIK, C. I.; DI FIORE, A.; HIGUCHI, N.; KILLEEN, T. J.; LAURANCE, S. G.; LAURANCE, W. F.; LEWIS, S. L.; MONTOYA, L. M. M.; MONTEAGUDO, A.; NEILL, D. A.; VARGAS, P. N.; PATIÑO, S.; PITMAN, N. C. A.; QUESADA, C. A.; SALOMÃO, R.; SILVA, J. N. M.; LEZAMA, A. T.; MARTÍNEZ, R. V.; TERBORGH, J.; VINCETI, B.; LLOYD, J. |
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Afiliação: |
YADVINDER MALHI, UNIVERSITY OF EDINBURGH; TIMOTHY R. BAKER, MAX-PLANCK-INSTITUT FÜR BIOGEOCHEMIE; OLIVER L. PHILLIPS, UNIVERSITY OF LEEDS; SAMUEL ALMEIDA, MUSEU PARAENSE EMILIO GOELDI; ESTEBAN ALVAREZ, INTERCONEXIÓN ELÉCTRICA S.A.; LUZMILLA ARROYO, MUSEO NOEL KEMPFF MERCADO; JEROME CHAVE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE; CLAUDIA I. CZIMCZIK, MAX-PLANCK-INSTITUT FÜR BIOGEOCHEMIE; ANTHONY DI FIORE, NEW YORK UNIVERSITY; NIRO HIGUCHI, INSTITITO NATIONAL DE PESQUISAS AMAZÔNICAS; TIMOTHY J. KILLEEN, CENTER FOR APPLIED BIODIVERSITY SCIENCE, CONSERVATION INTERNATIONAL; SUSAN G. LAURANCE, SMITHSONIAN TROPICAL RESEARCH INSTITUTE; WILLIAM F. LAURANCE, SMITHSONIAN TROPICAL RESEARCH INSTITUTE; SIMON L. LEWIS, UNIVERSITY OF LEEDS; LINA MARÍA MERCADO MONTOYA, MAX-PLANCK-INSTITUT FÜR BIOGEOCHEMIE; ABEL MONTEAGUDO, UNIVERSIDAD NACIONAL SAN ANTONIO ABAD DEL CUSCO; DAVID A. NEILL, FUNDACION JATUN SACHA; PERCY NÚÑEZ VARGAS, UNIVERSIDAD NACIONAL SAN ANTONIO ABAD DEL CUSCO; SANDRA PATIÑO, MAX-PLANCK-INSTITUT FÜR BIOGEOCHEMIE; NIGEL C.A. PITMAN, DUKE UNIVERSITY; CARLOS ALBERTO QUESADA, UNIVERSIDADE DE BRASÍLIA; RAFAEL SALOMÃO, MUSEU PARAENSE EMILIO GOELDI; JOSE NATALINO MACEDO SILVA, CPATU; ARMANDO TORRES LEZAMA, UNIVERSIDAD DE LOS ANDES; RODOLFO VÁSQUEZ MARTÍNEZ, JARDIN BOTANICO DE MISSOURI; JOHN TERBORGH, DUKE UNIVERSITY; BARBARA VINCETI, UNIVERSITY OF EDINBURGH; JON LLOYD, MAX-PLANCK-INSTITUT FÜR BIOGEOCHEMIE. |
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Título: |
The above-ground coarse wood productivity of 104 neotropical forest plots. |
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Ano de publicação: |
2004 |
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Fonte/Imprenta: |
Global Change Biology, v. 10, n. 5, p. 563-591, 2004. |
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DOI: |
https://doi.org/10.1111/j.1529-8817.2003.00778.x |
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Idioma: |
Inglês |
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Conteúdo: |
The net primary production of tropical forests and its partitioning between long-lived carbon pools (wood) and shorter-lived pools (leaves, fine roots) are of considerable importance in the global carbon cycle. However, these terms have only been studied at a handful of field sites, and with no consistent calculation methodology. Here we calculate above-ground coarse wood carbon productivity for 104 forest plots in lowland New World humid tropical forests, using a consistent calculation methodology that incorporates corrections for spatial variations in tree-size distributions and wood density, and for census interval length. Mean wood density is found to be lower in more productive forests. We estimate that above-ground coarse wood productivity varies by more than a factor of three (between 1.5 and 5.5 Mg C ha−1 a−1) across the Neotropical plots, with a mean value of 3.1 Mg C ha−1 a−1. There appear to be no obvious relationships between wood productivity and rainfall, dry season length or sunshine, but there is some hint of increased productivity at lower temperatures. There is, however, also strong evidence for a positive relationship between wood productivity and soil fertility. Fertile soils tend to become more common towards the Andes and at slightly higher than average elevations, so the apparent temperature/productivity relationship is probably not a direct one. Coarse wood productivity accounts for only a fraction of overall tropical forest net primary productivity, but the available data indicate that it is approximately proportional to total above-ground productivity. We speculate that the large variation in wood productivity is unlikely to directly imply an equivalent variation in gross primary production. Instead a shifting balance in carbon allocation between respiration, wood carbon and fine root production seems the more likely explanation. MenosThe net primary production of tropical forests and its partitioning between long-lived carbon pools (wood) and shorter-lived pools (leaves, fine roots) are of considerable importance in the global carbon cycle. However, these terms have only been studied at a handful of field sites, and with no consistent calculation methodology. Here we calculate above-ground coarse wood carbon productivity for 104 forest plots in lowland New World humid tropical forests, using a consistent calculation methodology that incorporates corrections for spatial variations in tree-size distributions and wood density, and for census interval length. Mean wood density is found to be lower in more productive forests. We estimate that above-ground coarse wood productivity varies by more than a factor of three (between 1.5 and 5.5 Mg C ha−1 a−1) across the Neotropical plots, with a mean value of 3.1 Mg C ha−1 a−1. There appear to be no obvious relationships between wood productivity and rainfall, dry season length or sunshine, but there is some hint of increased productivity at lower temperatures. There is, however, also strong evidence for a positive relationship between wood productivity and soil fertility. Fertile soils tend to become more common towards the Andes and at slightly higher than average elevations, so the apparent temperature/productivity relationship is probably not a direct one. Coarse wood productivity accounts for only a fraction of overall tropical forest net primary productivity, ... Mostrar Tudo |
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Palavras-Chave: |
Brasil; Produção de madeira. |
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Thesagro: |
Carbono; Fertilidade do Solo; Floresta Tropical; Produtividade. |
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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 03344naa a2200541 a 4500
001 1407947
005 2025-02-13
008 2004 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1111/j.1529-8817.2003.00778.x$2DOI
100 1 $aMALHI, Y.
245 $aThe above-ground coarse wood productivity of 104 neotropical forest plots.
260 $c2004
520 $aThe net primary production of tropical forests and its partitioning between long-lived carbon pools (wood) and shorter-lived pools (leaves, fine roots) are of considerable importance in the global carbon cycle. However, these terms have only been studied at a handful of field sites, and with no consistent calculation methodology. Here we calculate above-ground coarse wood carbon productivity for 104 forest plots in lowland New World humid tropical forests, using a consistent calculation methodology that incorporates corrections for spatial variations in tree-size distributions and wood density, and for census interval length. Mean wood density is found to be lower in more productive forests. We estimate that above-ground coarse wood productivity varies by more than a factor of three (between 1.5 and 5.5 Mg C ha−1 a−1) across the Neotropical plots, with a mean value of 3.1 Mg C ha−1 a−1. There appear to be no obvious relationships between wood productivity and rainfall, dry season length or sunshine, but there is some hint of increased productivity at lower temperatures. There is, however, also strong evidence for a positive relationship between wood productivity and soil fertility. Fertile soils tend to become more common towards the Andes and at slightly higher than average elevations, so the apparent temperature/productivity relationship is probably not a direct one. Coarse wood productivity accounts for only a fraction of overall tropical forest net primary productivity, but the available data indicate that it is approximately proportional to total above-ground productivity. We speculate that the large variation in wood productivity is unlikely to directly imply an equivalent variation in gross primary production. Instead a shifting balance in carbon allocation between respiration, wood carbon and fine root production seems the more likely explanation.
650 $aAmazonia
650 $aCarbono
650 $aFertilidade do Solo
650 $aFloresta Tropical
650 $aProdutividade
653 $aBrasil
653 $aProdução de madeira
700 1 $aBAKER, T. R.
700 1 $aPHILLIPS, O. L.
700 1 $aALMEIDA, S.
700 1 $aALVAREZ, E.
700 1 $aARROYO, L.
700 1 $aCHAVE, J.
700 1 $aCZIMCZIK, C. I.
700 1 $aDI FIORE, A.
700 1 $aHIGUCHI, N.
700 1 $aKILLEEN, T. J.
700 1 $aLAURANCE, S. G.
700 1 $aLAURANCE, W. F.
700 1 $aLEWIS, S. L.
700 1 $aMONTOYA, L. M. M.
700 1 $aMONTEAGUDO, A.
700 1 $aNEILL, D. A.
700 1 $aVARGAS, P. N.
700 1 $aPATIÑO, S.
700 1 $aPITMAN, N. C. A.
700 1 $aQUESADA, C. A.
700 1 $aSALOMÃO, R.
700 1 $aSILVA, J. N. M.
700 1 $aLEZAMA, A. T.
700 1 $aMARTÍNEZ, R. V.
700 1 $aTERBORGH, J.
700 1 $aVINCETI, B.
700 1 $aLLOYD, J.
773 $tGlobal Change Biology$gv. 10, n. 5, p. 563-591, 2004.
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