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Related Experiment Video

Updated: May 5, 2026

Watershed Planning within a Quantitative Scenario Analysis Framework

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

The Amazon basin in transition.

Eric A Davidson¹, Alessandro C de Araújo, Paulo Artaxo

¹The Woods Hole Research Center, 149 Woods Hole Road, Falmouth, Massachusetts 02540-1644, USA. edavidson@whrc.org

|January 20, 2012

Summary

This summary is machine-generated.

Amazonian forests show resilience to drought but face risks from deforestation and fire, potentially altering regional climate and water cycles. These disturbances may signal a shift towards a new, disturbance-driven ecosystem state.

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Area of Science:

Ecology
Climate Science
Hydrology

Background:

Amazonian forests are experiencing increasing disturbances from agricultural expansion and climate variability.
While forests show resilience to moderate drought, combined impacts of deforestation, fire, and drought pose risks.
These disturbances can lead to carbon storage loss and altered precipitation and river discharge patterns.

Purpose of the Study:

To assess the resilience of Amazonian forests to disturbances.
To investigate the potential impacts of combined deforestation, fire, and drought.
To identify early signs of ecosystem transition in the Amazon basin.

Main Methods:

Review of recent studies on Amazonian forest dynamics.
Analysis of climate variability and land use interactions.
Monitoring of hydrological and biogeochemical cycles.

Main Results:

Amazonian forests exhibit considerable resilience to moderate annual drought.
Interactions between deforestation, fire, and drought can lead to significant carbon loss.
Changes in energy and water cycles are evident in southern and eastern Amazonia.

Conclusions:

The Amazon basin may be transitioning to a disturbance-dominated regime.
Land use and drought impacts, while not yet exceeding natural variability basin-wide, show concerning trends.
Early signs of ecosystem change necessitate continued monitoring and research.