Substances: CH4 (InChI=1S/CH4/h1H4) O2 (InChI=1S/O2/c1-2) Taxa: Ca. Methylomirabilis limnetica Methylococcales Variables: fluorescence dissolved_inorganic_carbon electric_conductivity Keywords: pmoA_RNA 16SrRNA 16SrDNA Systems: lake Organizations: Microbial Ecology