Published June 1969. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
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...
This report covers a 3-year period. It includes a growth survey of gaper clams to establish normal growth patterns, a summary of a transplantation of softshell clams into Siuslaw Bay, and the results of crab tagging to determine movement/migration patterns. This report also has research on personal-use fisheries for razor...