Pacific OceanJapanIndian OceanSeawaterMarine BiologyAtlantic OceanProchlorococcusPhytoplanktonPhylogenyPlanktonGeologic SedimentsTunaInorganic ChemicalsAnimal MigrationEcosystemHydrothermal VentsPerciformesRNA, Ribosomal, 16SGammaproteobacteriaAquatic OrganismsOttersWater MicrobiologyGeographyDNA, RibosomalOceans and SeasPacific IslandsSequence Analysis, DNABiodiversityCesium RadioisotopesFisheriesArchaeoglobusPolychaetaFishesMolecular Sequence DataBase CompositionFood ChainBacteriaGenes, rRNAClimatePredatory BehaviorRhodospirillaceaeDNA, BacterialNitrogen FixationBiomassArchaeaHeterotrophic ProcessesRNA, Ribosomal, 18SGenetic VariationEukaryotaHawaiiAntarctic RegionsWater MovementsConservation of Natural ResourcesAtmosphereCarbonPopulation DynamicsSeasonsCyanobacteriaSpecies SpecificityRNA, BacterialTemperature