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Registro Completo
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Biblioteca(s): |
Embrapa Amazônia Oriental; Embrapa Territorial. |
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Data corrente: |
18/03/2014 |
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Data da última atualização: |
19/05/2022 |
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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: |
ESPÍRITO-SANTO, F. D. B.; GLOOR, M.; KELLER, M.; MALHI, Y.; SAATCHI, S.; NELSON, B.; OLIVEIRA JUNIOR, R. C.; PEREIRA, C.; LLOYD, J.; FROLKING, S.; PALACE, M.; SHIMABUKURO, Y. E.; DUARTE, V.; MONTEAGUDO MENDOZA, A.; LÓPEZ-GONZÁLEZ, G.; BAKER, T. R.; FELDPAUSCH, T. R.; BRIENEN, R. J. W.; ASNER, G. P.; BOYD, D. S.; PHILLIPS, O. L. |
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Afiliação: |
FERNANDO D. B. ESPÍRITO-SANTO, NASA Jet Propulsion Laboratory, California Institute of Technology; MANUEL GLOOR, School of Geography, University of Leeds; MICHAEL KELLER, USDA Forest Service / University of New Hampshire / CNPM; YADVINDER MALHI, University of Oxford; SASSAN SAATCHI, NASA Jet Propulsion Laboratory, California Institute of Technology; BRUCE NELSON, INPA; RAIMUNDO COSME DE OLIVEIRA JUNIOR, CPATU; CLEUTON PEREIRA; JON LLOYD, University of Leeds / James Cook University; STEVE FROLKING, University of New Hampshire; MICHAEL PALACE, University of New Hampshire; YOSIO E. SHIMABUKURO, INPE; VALDETE DUARTE, INPE; ABEL MONTEAGUDO MENDOZA, Jardin Botanico de Missouri; GABRIELA LÓPEZ-GONZÁLEZ, University of Leeds; TIM R. BAKER, University of Leeds; TED R. FELDPAUSCH, University of Leeds; ROEL J. W. BRIENEN, University of Leeds; GREGORY P. ASNER, Carnegie Institution for Science; DOREEN S. BOYD, University of Nottingham, University Park; OLIVER L. PHILLIPS, University of Leeds. |
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Título: |
Size and frequency of natural forest disturbances and the Amazon forest carbon balance. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Nature Communications, v. 5, art. n. 3434, 18 Mar. 2014. |
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DOI: |
10.1038/ncomms4434 |
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Idioma: |
Inglês |
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Conteúdo: |
Forest inventory studies in the Amazon indicate a large terrestrial carbon sink. However, field plots may fail to represent forest mortality processes at landscape-scales of tropical forests. Here we characterize the frequency distribution of disturbance events in natural forests from 0.01ha to 2,651ha size throughout Amazonia using a novel combination of forest inventory, airborne lidar and satellite remote sensing data. We find that small-scale mortality events are responsible for aboveground biomass losses of ~1.7PgCy;1 over the entire Amazon region. We also find that intermediate-scale disturbances account for losses of ~0.2PgCy1, and that the largest-scale disturbances as a result of blow-downs only account for losses of ~0.004PgCy1. Simulation of growth and mortality indicates that even when all carbon losses from intermediate and large-scale disturbances are considered, these are outweighed by the net biomass accumulation by tree growth, supporting the inference of an Amazon carbon sink. |
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Palavras-Chave: |
Ciência da Terra. |
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Thesagro: |
Carbono; Clima; Floresta. |
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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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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/99521/1/ncomms4434.pdf
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/101064/1/Espririto-Santo-et-al-Nature-Communications-2014.pdf
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Marc: |
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001 1982675
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008 2014 bl uuuu u00u1 u #d
024 7 $a10.1038/ncomms4434$2DOI
100 1 $aESPÍRITO-SANTO, F. D. B.
245 $aSize and frequency of natural forest disturbances and the Amazon forest carbon balance.
260 $c2014
520 $aForest inventory studies in the Amazon indicate a large terrestrial carbon sink. However, field plots may fail to represent forest mortality processes at landscape-scales of tropical forests. Here we characterize the frequency distribution of disturbance events in natural forests from 0.01ha to 2,651ha size throughout Amazonia using a novel combination of forest inventory, airborne lidar and satellite remote sensing data. We find that small-scale mortality events are responsible for aboveground biomass losses of ~1.7PgCy;1 over the entire Amazon region. We also find that intermediate-scale disturbances account for losses of ~0.2PgCy1, and that the largest-scale disturbances as a result of blow-downs only account for losses of ~0.004PgCy1. Simulation of growth and mortality indicates that even when all carbon losses from intermediate and large-scale disturbances are considered, these are outweighed by the net biomass accumulation by tree growth, supporting the inference of an Amazon carbon sink.
650 $aAmazonia
650 $aCarbono
650 $aClima
650 $aFloresta
653 $aCiência da Terra
700 1 $aGLOOR, M.
700 1 $aKELLER, M.
700 1 $aMALHI, Y.
700 1 $aSAATCHI, S.
700 1 $aNELSON, B.
700 1 $aOLIVEIRA JUNIOR, R. C.
700 1 $aPEREIRA, C.
700 1 $aLLOYD, J.
700 1 $aFROLKING, S.
700 1 $aPALACE, M.
700 1 $aSHIMABUKURO, Y. E.
700 1 $aDUARTE, V.
700 1 $aMONTEAGUDO MENDOZA, A.
700 1 $aLÓPEZ-GONZÁLEZ, G.
700 1 $aBAKER, T. R.
700 1 $aFELDPAUSCH, T. R.
700 1 $aBRIENEN, R. J. W.
700 1 $aASNER, G. P.
700 1 $aBOYD, D. S.
700 1 $aPHILLIPS, O. L.
773 $tNature Communications$gv. 5, art. n. 3434, 18 Mar. 2014.
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Embrapa Amazônia Oriental (CPATU) |
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