Interactive databases providing detailed information on fish and macroinvertebrate abundance and diversity over time in pools of the upper Mississippi River basin.
Brief description of the Western Fisheries Research Center in Seattle devoted to research on fish populations and aquatic ecosystems of the West. Links to research programs, laboratory locations, publications, and map services.
Human perturbations such as shoreline armoring or urban development can affect the nearshore habitats critical to these populations of small fish which support birds and larger fish.
U.S. Department of the Interior |
U.S. Geological Survey