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Creator:: Aney, Warren W., Montgomery, Monty L., and Lichens, Allan B.
Abstract:: The lower Deschutes River of northcentral Oregon has a historically uniform discharge record. Significant reductions in discharge below the seasonal norms will degrade the environment for migratory and resident salmonids by increasing siltation and gravel compaction, and by reducing intragravel water dissolved oxygen content. Fish spawning will be limited by...
Resource Type:: Technical Report
Full Text:: effect on Section IV. Of the same general size as the Warm Springs River, White River has greater

Creator:: Williams, Harvey Dean
Abstract:: Raw and biologically stabilized Kraft mill effluents were introduced into laboratory artificial streams at a ratio of 15 ml per liter of water over a two year period. Effluent from the stabilization pond of a second mill was introduced at concentrations of from 5 to 40 ml per liter of...
Resource Type:: Dissertation
Full Text:: Effect of kraft mill effluent on structure and function

Creator:: Reeher, James A., Hewkin, James A., West, Duane C., and Oregon. State Game Commission. Fishery Division
Abstract:: The upper drainage of the John Day River system produces summer steelhead and spring chinook salmon. The fish are generally confined to the main stem and its tributaries above Prairie City. The spawning and rearing areas are comparatively free of undesirable fish species, but salmonid smolts migrating downstream must travel...
Resource Type:: Technical Report
Full Text:: large squawfish with liquid rotenone and to evaluate the effect on the spring outmigration of steelhead

Creator:: Osterberg, Charles L.
Abstract:: Our major effort since initiation of this contract has been directed toward (1) procuring the gamma-ray spectrometric equipment and integrating the components into an operational system, and (2) analyzing the samples obtained from the midwater trawl program of the Department of Oceanography and evaluating and interpreting the resulting data Analyses...
Resource Type:: Technical Report
Full Text:: examined, regardless of trophic level (Osterberg, et al., in press). Seasonal and Geographic Variations of

Creator:: Osterberg, Charles L.
Abstract:: This report covers the first full year of operation of our gammaray spectrometry facility. A part of the contract period was devoted to calibration of the instrument, and therefore, a brief report on this procedure is included.
Resource Type:: Technical Report
Full Text:: Effect of Upwelling on Zn65 Content of Mussels ............ . I Trace Element Analysis

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