Landscapes and catchment basins -- Valley segments, stream reaches, and channel units -- Discharge measurements and streamflow analysis -- Dynamics of flow -- Temperature, light, and oxygen -- Hyporheic zones -- Suspended sediment and bedload -- Solute dynamics -- Phosphorus limitation, uptake, and turnover in stream algae -- Transport and storage of FPOM -- Transport and retention of CPOM -- Heterotrophic microorganisms -- Benthic stream algae: distribution and structure -- Biomass and pigments of benthic alage -- Meiofauna -- Benthic macroinvertebrates -- Macroinvertebrate movements: drift, colonization, and emergence -- Fish community composition -- Plant-herbivore interactions -- Predator-prey interactions -- Trophic relations of macroinvertebrates -- Trophic relations of stream fishes -- Habitat use and competition among stream fishes -- Stream food webs -- Primary productivity and community respiration -- Secondary production of macroinvertebrates -- Leaf breakdown in stream ecosystems -- Organic matter budgets -- Effects of nutrient enrichment on periphyton -- Surface-subsurface interactions in streams -- Macroinvertebrates as biotic indicators of environmental quality.