Pacific Southwest

Title: Variable temperature sensitivity of soil organic carbon in North American forests

Author: Fissore, Cinzia; Giardina, Christian P.; Swanston, Christopher W.; King, Gary M.; Kolka, Randall K.

Date: 2009

Source: Global Change Biology. 15: 2295-2310.

Description: We investigated mean residence time (MRT) for soil organic carbon (SOC) sampled from paired hardwood and pine forests located along a 22 °C mean annual temperature (MAT) gradient in North America. We used acid hydrolysis fractionation, radiocarbon analyses, long-term laboratory incubations (525-d), and a three-pool model to describe the size and kinetics of the acid insoluble C (AIC), active and slow SOC fractions in soil.

Keywords: carbon quality, Q₁₀, radiocarbon, SOC decomposition, SOC fractionation, stable C, temperate forests

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Citation

Fissore, Cinzia; Giardina, Christian P.; Swanston, Christopher W.; King, Gary M.; Kolka, Randall K.  2009.  Variable temperature sensitivity of soil organic carbon in North American forests.   Global Change Biology. 15: 2295-2310..