Directional Selection by Fisheries and the Timing of Sockeye Salmon (oncorhynchus Nerka) Migrations Quinn, Thomas P. ; Hodgson, Sayre ; Flynn, Lucy ; Hilborn, Ray ; Rogers, Donald E. Abstract Publication: Ecological Applications Pub Date: April 2007 DOI: 10.1890/06-0771 Bibcode: 2007EcoAp..17..731Q