| phylogenetic analysis of particle-attached and free-living bacterial communities in the columbia river, its estuary, and the adjacent coastal ocean. | the columbia river estuary is a dynamic system in which estuarine turbidity maxima trap and extend the residence time of particles and particle-attached bacteria over those of the water and free-living bacteria. particle-attached bacteria dominate bacterial activity in the estuary and are an important part of the estuarine food web. pcr-amplified 16s rrna genes from particle-attached and free-living bacteria in the columbia river, its estuary, and the adjacent coastal ocean were cloned, and 239 ... | 1999 | 10388721 |