PondsAmmoniaFresh WaterAquacultureNitrosomonasCarbamoyl-Phosphate Synthase (Ammonia)NitrogenWater MicrobiologyHyperammonemiaUreaGlutamate-Ammonia LigaseGlutamineAmmonium ChlorideNitrogen RadioisotopesNitrificationSnailsPenaeidaeManureWaste WaterTrematodaSewageHydrogen-Ion ConcentrationGeologic SedimentsTrematode InfectionsGlutaminaseGillsSanitary EngineeringRanidaePhylogenyHepatic EncephalopathyRNA, Ribosomal, 16SNitrosomonas europaeaGlutamate DehydrogenaseWaste Disposal, FluidBetaproteobacteriaEcosystemRumenArchaeaBacteriaQuaternary Ammonium CompoundsAmino AcidsOsmeriformesHalorubrumWater PollutantsRotiferaPhenylalanine Ammonia-LyaseWater Pollutants, ChemicalSeawaterDNA, RibosomalGlutamate SynthaseWater WellsMolecular Sequence DataAcetyleneGlutamatesCladoceraMethionine SulfoximineDecapoda (Crustacea)UreaseFatty Acids, VolatileOil and Gas FieldsSequence Analysis, DNAWetlandsOxidation-ReductionSmegmamorphaDNA, ArchaealWater PurificationBiodiversityAcidosisPhototrophic ProcessesDNA, BacterialFish DiseasesNitrogen IsotopesFishesFish ProteinsAmphibiansMethylaminesCatfishesUrea Cycle Disorders, InbornMethaneLarvaAirOxidoreductasesSeasonsAminohydrolasesArctic RegionsCarpsAnimal FeedOncorhynchus mykissPerseaKetoglutaric AcidsDNA Viruses