The purpose of this investigation was to determine if pinniped feeding patterns have significant negative impacts on depressed salmonid stocks. Knowledge about prey selection by pinnipeds is key to assessing their potential impact on salmonid stocks. The four major work elements reported are: 1) the reanalysis of Columbia River area...
Between 43° 17' and 43° 21' north latitude along the south-central coast line of Oregon lie the collecting grounds adjacent to the Oregon Institute of Marine Biology. These 10 miles of coast line, between Coos Bay and Cape Arago, provide an assortment of intertidal environments ranging from the protected brackish...