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