Assertion: lake sediment | /r/HasProperty | dominated by terrigenous om
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text: While lake sediments dominated by terrigenous OM presented lower Hg methylation and MeHg demethylation rate constants than lakes enriched in phytoplankton-derived OM (Fig. 2b), they featured significantly higher Hg (P-value=0.006) and MeHg concentrations (P-value=0.004).