Search Results for the EPA National Library Catalog

Items Found: 6
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Your Search: (SUBJECT=Freshwater productivity)

Select Item Title Year Published
Community productivity and energy flow in an enriched warm-water stream / 1972
Effects of biologically treated bleached kraft mill effluent on cold water stream productivity in experimental stream channels : fifth progress report. 1989
Effects of oil shale leachate on phytoplankton productivity 1979
Influence of hydrologic loading rate on phosphorus retention and ecosystem productivity in created wetlands 1995
Methods for assessment of fish production in fresh waters 1978
Productivity study of the Roanoke River above Niagra Dam in Virginia 1977

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