Concentration of sugars, phenolic acids, and amino acids in forest soils exposed to elevated atmospheric CO2 and O3Author(s): Robin M. Johnson; Kurt S. Pregitzer
Source: Soil Biology and Biochemistry. 38: 3159-3166.
Publication Series: Scientific Journal (JRNL)
Station: Northern Research Station
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Concentrations of soluble soil sugars, soluble phenolic acids, and free amino acids were measured in three forest communities at the FACTS-II Aspen FACE Site near Rhinelander, WI, in order to better understand how elevated atmospheric CO2 and O3 are influencing soil nutrient availability and cycling. Sugars, phenolic acids, and amino acids are mostly derived from plant and microbial processes, and have the potential to be influenced by changes in carbon inputs. We hypothesized that concentrations in the soil would parallel increases seen in biological activity, due to greater net primary productivity under elevated CO2 and seasonal patterns of root growth.
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CitationJohnson, Robin M.; Pregitzer, Kurt S. 2007. Concentration of sugars, phenolic acids, and amino acids in forest soils exposed to elevated atmospheric CO2 and O3. Soil Biology and Biochemistry. 38: 3159-3166.
Keywordscarbon dioxide, ozone, climate change, sugars, phenolic acids, amino acids
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