Description
Item Description:On cover: Washington Sea Grant Program.
Based on the author's thesis (M.S.), University of Washington.
Published by Division of Marine Resources, University of Washington in cooperation with Fisheries Research Institute, College of Fisheries, University of Washington.
NOAA grant number 04-3-158-42.
Physical Description:vi, 48 pages : illustrations, diagrams ; 28 cm.
Bibliography:Literature: pages 46-48.