Baltic StatesFinlandOceans and SeasEutrophicationSea UrchinsSeawaterNorth SeaNodulariaFucusGadiformesMarine BiologyCtenophoraWater Pollution, ChemicalSea AnemonesEcosystemEnvironmental RemediationMediterranean SeaPlanktonZooplanktonOceanographySeals, EarlessClimate ChangeEpsilonproteobacteriaPorpoisesFishesSalinityPhylogenyLatviaGadus morhuaSea CucumbersWater Pollutants, ChemicalRNA, Ribosomal, 16SWater Pollutants, RadioactiveGeologic SedimentsFisheriesStrontium IsotopesAtlantic OceanHarmful Algal BloomCytophagaFood ChainGammaproteobacteriaWater MicrobiologyWater PollutionDNA, BacterialSwedenEuropeCyanobacteriaDNA, RibosomalAnseriformesPopulation DynamicsBetaproteobacteriaEstoniaMolecular Sequence DataFresh WaterGeographySequence Analysis, DNABiodiversityHydrocarbons, ChlorinatedShewanellaAlphaproteobacteriaEnvironmental MonitoringHistory, 19th CenturySeasonsScandinaviaBlack SeaFood ContaminationFlounderPhycocyaninGenetic VariationBase CompositionGenes, rRNAPolychlorinated BiphenylsModels, TheoreticalHazardous SubstancesHistory, 21st CenturyRNA, BacterialPublic PolicyGermanyBacteriaNitrogenBiomassGenetics, PopulationDNA, IntergenicConservation of Natural ResourcesMicrosatellite RepeatsSpecies SpecificityPolandEnvironmentIncidenceArctic RegionsPhosphorusColony Count, MicrobialHistory, 20th CenturyTemperatureOvumRegistriesDNA, Ribosomal SpacerLithuaniaFounder EffectOxygen