RiversRoss River virusFresh WaterWater MovementsWater Pollutants, ChemicalWater PollutionFishesEnvironmental MonitoringWater MicrobiologySeasonsGeologic SedimentsWater QualityBrazilEcosystemPopulation DensityMolecular Sequence DataFloodsWater Pollution, ChemicalGeographyCatfishesCyprinidaeBiodiversityBase SequencePopulation DynamicsTrematode InfectionsOttersFish DiseasesOnchocerciasis, OcularWater SupplySewagePhylogenySalmonDolphinsFisheriesSimuliidaeConservation of Natural ResourcesAlphavirus InfectionsInvertebratesAnimal MigrationWetlandsPhytoplanktonLakesAmino Acid SequenceTrematoda