Species composition of rockfish in catches by Oregon trawlers 1963-1971.

"Rockfish (family Scorpanidae) are an important segment of Oregon trawl landings. Two distinct fisheries commonly produce nineteen species with 5 others rarely seen. A description of catch and catch per unit effort in the Pacific ocean perch and "other rockfish" fisheries is provided. A1so reported are species composition of sampled catches from a proqram started in 1963. trends evident in the fishery are discussed." (Introduction) Digitized by an ODFW employee