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Carbon in Amazon Forests: Unexpected Seasonal Fluxes and Disturbance-Induced Losses
Open accessAbstract
The net ecosystem exchange of carbon dioxide was measured by eddy covariance methods for 3 years in two old-growth forest sites near Santarém, Brazil. Carbon was lost in the wet season and gained in the dry season, which was opposite to the seasonal cycles of both tree growth and model predictions. The 3-year average carbon loss was 1.3 (confidence interval: 0.0 to 2.0) megagrams of carbon per hectare per year. Biometric observations confirmed the net loss but imply that it is a transient effect of recent disturbance superimposed on long-term balance. Given that episodic disturbances are characteristic of old-growth forests, it is likely that carbon sequestration is lower than has been inferred from recent eddy covariance studies at undisturbed sites.
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Cited by
Interannual variability in global biomass burning emissions from 1997 to 2004
van der Werf, G. R., Randerson, J. T., Giglio, L., Collatz, G. J., Kasibhatla, P. S., & Arellano, A. F. (2006) · Atmospheric Chemistry and Physics · doi:10.5194/acp-6-3423-2006 · Cited by 1,656
WU, Z., DIJKSTRA, P., KOCH, G. W., PEÑUELAS, J., & HUNGATE, B. A. (2011) · Global Change Biology · doi:10.1111/j.1365-2486.2010.02302.x · Cited by 1,379
The Amazon basin in transition
Davidson, E. A., de Araújo, A. C., Artaxo, P., Balch, J. K., Brown, I. F., C. Bustamante, M. M., Coe, M. T., DeFries, R. S., Keller, M., Longo, M., et al. (2012) · Nature · doi:10.1038/nature10717 · Cited by 1,273
Self-citationLong-term decline of the Amazon carbon sink
Brienen, R. J. W., Phillips, O. L., Feldpausch, T. R., Gloor, E., Baker, T. R., Lloyd, J., Lopez-Gonzalez, G., Monteagudo-Mendoza, A., Malhi, Y., Lewis, S. L., et al. (2015) · Nature · doi:10.1038/nature14283 · Cited by 1,211
Baldocchi, D. (2008) · Australian Journal of Botany · doi:10.1071/bt07151 · Cited by 1,123
Metadata
- Authors
- Saleska, S. R., Miller, S. D., Matross, D. M., Goulden, M. L., Wofsy, S. C., da Rocha, H. R., de Camargo, P. B., Crill, P., Daube, B. C., de Freitas, H. C., Hutyra, L., Keller, M., Kirchhoff, V., Menton, M., Munger, J. W., Pyle, E. H., Rice, A. H., & Silva, H.
- Venue
- Science
- Published
- 2003-11-28
- Volume
- 302
- Issue
- 5650
- Pages
- 1554-1557
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2152074508
- Cited by
- 738
- References
- 0
- FWCI
- 43.25
- Type
- journal article
- Language
- en
- Open access
- green
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- Saleska, S. R., Miller, S. D., Matross, D. M., Goulden, M. L., Wofsy, S. C., da Rocha, H. R., de Camargo, P. B., Crill, P., Daube, B. C., de Freitas, H. C., Hutyra, L., Keller, M., Kirchhoff, V., Menton, M., Munger, J. W., Pyle, E. H., Rice, A. H., & Silva, H. (2003). Carbon in Amazon Forests: Unexpected Seasonal Fluxes and Disturbance-Induced Losses. Science. https://doi.org/10.1126/science.1091165
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