Search Constraints

Start Over
Filtering by: Creator Geyer, W. Rockwell Remove constraint Creator: Geyer, W. Rockwell Academic Affiliation Fisheries and Wildlife Remove constraint Academic Affiliation: Fisheries and Wildlife Resource Type Technical Report Remove constraint Resource Type: Technical Report

Search Results

  • Tide gates in the Pacific Northwest : operation, types, and environmental effects

    Creator:
    Giannico, Guillermo and Souder, Jon A.
    Abstract:
    This report is an attempt to address some critical information gaps regarding the effects of dikes and tide gates on coastal ecosystems and fisheries resources. The authors have identified the information needs during their work with landowners, community organizations, and resource management agencies and through a compilation and summary of...
    Resource Type:
    Technical Report
    Full Text:
    , season, stage of tidal month, and so on (Simenstad 1983; Geyer and Signell 1992; Largier 1992). The

  • Dissolved oxygen requirements of freshwater fishes

    Creator:
    Doudoroff, Peter and Shumway, Dean L.
    Abstract:
    This critical review of literature on dissolved oxygen requirements of freshwater fishes is one of a series of papers on water quality criteria, the formulation of which is a prerequisite to the control of water pollution. It was prepared for FAO by the State of Oregon (acting by and through...
    Resource Type:
    Technical Report
    Full Text:
    gratefully acknowledged. We wish to thank Drs. W. A. Brungs, G. A. Chap man, and A. W. Pritchard and Messrs