Articles | Volume 12, issue 20
Biogeosciences, 12, 6071–6083, 2015
https://doi.org/10.5194/bg-12-6071-2015
Biogeosciences, 12, 6071–6083, 2015
https://doi.org/10.5194/bg-12-6071-2015

Research article 26 Oct 2015

Research article | 26 Oct 2015

Soil microbial nutrient constraints along a tropical forest elevation gradient: a belowground test of a biogeochemical paradigm

A. T. Nottingham et al.

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Short summary
We measured indices of soil microbial nutrient status in lowland, sub-montane and montane tropical forests along a natural gradient spanning 3400 m in elevation in the Peruvian Andes. We show that soil microorganisms shift investment in nutrient acquisition from P to N between lowland and montane tropical forests, suggesting that different nutrients regulate soil microbial metabolism and the soil carbon balance in these ecosystems.
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