Tipping, E Metal accumulation by stream bryophytes, related to chemical speciation. [electronic resource] - Environmental pollution (Barking, Essex : 1987) Dec 2008 - 936-43 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1873-6424 Standard No.: 10.1016/j.envpol.2008.05.010 doi Subjects--Topical Terms: Biological AvailabilityBryophyta--metabolismCadmium--analysisChemical FractionationCopper--analysisEnvironmental Monitoring--methodsHumic SubstancesHydrogen-Ion ConcentrationLead--analysisMetals--analysisModels, TheoreticalRiversWater Pollutants, Chemical--analysis