TY - RPRT TI - Combined effects of climate, predation, and density dependence on Greater and Lesser Scaup population dynamics AU - Beth E. Ross AU - Mevin Hooten AU - Jean-Michel DeVink AU - David N. Koons PY - 2015 DO - 10.1890/14-0582.1 UR - https://pubs.usgs.gov/publication/70192613 ID - 70192613 ER -