TY - RPRT TI - Photoperiod control of downstream movements of Atlantic salmon Salmo salar smolts AU - Gayle B. Zydlewski AU - Daniel S. Stich AU - Stephen D. McCormick PY - 2014 DO - 10.1111/jfb.12509 UR - https://pubs.usgs.gov/publication/70140711 ID - 70140711 ER -