Biogeosciences
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Articles | Volume 12, issue 4
Articles | Volume 12, issue 4
https://doi.org/10.5194/bg-12-1151-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-12-1151-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 12, issue 4
Research article
 | 
24 Feb 2015
Research article |  | 24 Feb 2015

The influence of soils on heterotrophic respiration exerts a strong control on net ecosystem productivity in seasonally dry Amazonian forests

J. R. Melton, R. K. Shrestha, and V. K. Arora

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Short summary
Net ecosystem productivity (NEP) in seasonally dry Amazon forests varies greatly between sites with similar precipitation patterns. We ran CLASS-CTEM at two LBA Amazon sites (Tapajós 83km & Jarú Reserve) that exhibit opposite seasonal NEP cycles despite reasonably similar meteorological conditions. We find the influence of soil texture and depth, through soil moisture, on seasonal patterns of GPP and, especially, heterotrophic respiration is important for correctly simulating NEP seasonality.
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