JEQ -- Burke et al. 32 (1): 198 Figure IG3

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Fig. 3. Plot of mean soil phospholipid fatty acid (PLFA) ${delta}$ ¹³C versus mean soil organic matter (SOM) ${delta}$ ¹³C for samples from the upper 10 cm. Abbreviations, symbols, and fills the same as in Fig. 1. Error bars are ± one standard deviation. 1:1 line shown for reference.