Title: Harlequin duck population dynamics
Description: The sex and age composition and population trends of harlequin ducks (Histrionicus histrionicus) were compared between, and within, oiled and unoiled areas in Prince William Sound during six winters from 1997-2005.
Subjects: Harlequin duck, Statistics, Monitoring, Environmental aspects, Exxon Valdez Oil Spill, Alaska, 1989, Effect of oil spills on, Bird surveys, Oil spills
Places: Alaska, Prince William Sound