Size and frequency of natural forest disturbances and the Amazon forest carbon balance.
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.
Main Authors: | , , , , , , , , , , , , , , , , , , , , |
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Format: | Artigo de periódico biblioteca |
Language: | English eng |
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2014-04-14
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Subjects: | Ciência da Terra., Carbono, Clima, Floresta., Amazonia., |
Online Access: | http://www.alice.cnptia.embrapa.br/alice/handle/doc/984523 |
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dig-alice-doc-9845232017-08-16T00:45:33Z Size and frequency of natural forest disturbances and the Amazon forest carbon balance. 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. 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. Ciência da Terra. Carbono Clima Floresta. Amazonia. 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. Artigo publicado por Pesquisador Visitante da Embrapa Monitoramento por Satélite. 2014-07-16T06:58:16Z 2014-07-16T06:58:16Z 2014-04-14 2014 2014-07-16T06:58:16Z Artigo de periódico Nature Communications, v. 5, art. n. 3434, 18 Mar. 2014. http://www.alice.cnptia.embrapa.br/alice/handle/doc/984523 10.1038/ncomms4434 en eng openAccess |
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Ciência da Terra. Carbono Clima Floresta. Amazonia. Ciência da Terra. Carbono Clima Floresta. Amazonia. |
spellingShingle |
Ciência da Terra. Carbono Clima Floresta. Amazonia. Ciência da Terra. Carbono Clima Floresta. Amazonia. 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. Size and frequency of natural forest disturbances and the Amazon forest carbon balance. |
description |
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. |
author2 |
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. |
author_facet |
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. 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. |
format |
Artigo de periódico |
topic_facet |
Ciência da Terra. Carbono Clima Floresta. Amazonia. |
author |
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. |
author_sort |
ESPÍRITO-SANTO, F. D. B. |
title |
Size and frequency of natural forest disturbances and the Amazon forest carbon balance. |
title_short |
Size and frequency of natural forest disturbances and the Amazon forest carbon balance. |
title_full |
Size and frequency of natural forest disturbances and the Amazon forest carbon balance. |
title_fullStr |
Size and frequency of natural forest disturbances and the Amazon forest carbon balance. |
title_full_unstemmed |
Size and frequency of natural forest disturbances and the Amazon forest carbon balance. |
title_sort |
size and frequency of natural forest disturbances and the amazon forest carbon balance. |
publishDate |
2014-04-14 |
url |
http://www.alice.cnptia.embrapa.br/alice/handle/doc/984523 |
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