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    Author(s): Eric A. Davidson; Alessandro C. de Araujo; Paulo Artaxo; Jennifer K. Balch; I. Foster Brown; Mercedes M.C. Bustamente; Michael T. Coe; Ruth S. DeFriess; Michael Keller; Marcos Longo; J. William Munger; Wilfrid Schroeder; Britaldo Soares-Filho; Carlos M. Souza, Jr.; Steven C. Wofsy
    Date: 2012
    Source: Nature. 481: 321-328
    Publication Series: Scientific Journal (JRNL)
    Station: International Institute of Tropical Forestry
    PDF: View PDF  (2.75 MB)

    Description

    Agricultural expansion and climate variability have become important agents of disturbance in the Amazon basin. Recent studies have demonstrated considerable resilience of Amazonian forests to moderate annual drought, but they also show that interactions between deforestation, fire and drought potentially lead to losses of carbon storage and changes in regional precipitation patterns and river discharge. Although the basin-wide impacts of land use and drought may not yet surpass the magnitude of natural variability of hydrologic and biogeochemical cycles, there are some signs of a transition to a disturbance-dominated regime. These signs include changing energy and water cycles in the southern and eastern portions of the Amazon basin.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Davidson, Eric A.; de Araujo, Alessandro C.; Artaxo, Paulo; Balch, Jennifer K.; Brown, I. Foster; Bustamente, Mercedes M.C.; Coe, Michael T.; DeFriess, Ruth S.; Keller, Michael; Longo, Marcos; Munger, J. William; Schroeder, Wilfrid; Soares-Filho, Britaldo S.; Souza, Jr., Carlos M.; Wofsy, Steven C. 2012. The Amazon Basin in transition. Nature. 481: 321-328.

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    Keywords

    anthropogenic disturbance, agriculture, logging, urban footprint, global climate change

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