Isotopic evidences for microbiologically mediated and direct C input to soil compounds from three different leaf litters during their decomposition.

Environ Chem Lett · 2009 · PMC2837225 · PMID 20234880

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During the incubation period, the δ 13 C of the CO 2 respired by the control soil showed a trend, going from more positive values (ca. −16‰) at the beginning of the incubation towards more negative values (ca. −22‰) at later samplings (Rubino et al. 2007 ).

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