Geologic SedimentsDNA, RibosomalWater MicrobiologyRNA, Ribosomal, 16SPhylogenySequence Analysis, DNASeawaterFresh WaterWater Pollutants, ChemicalRiversBacteriaMethaneBiodegradation, EnvironmentalDeltaproteobacteriaSulfur-Reducing BacteriaArchaeaDNA, BacterialEstuariesOceans and SeasDNA, ArchaealEcosystemLakesGenes, rRNAWater Pollution, ChemicalPacific OceanRhizophoraceaeBiodiversitySoil MicrobiologyAnaerobiosisMolecular Sequence DataWater PollutantsWetlandsUraniumWater PollutionEnvironmental MonitoringBase CompositionGeologySulfatesArctic RegionsEutrophicationBacteria, AnaerobicRNA, Bacterial