Marine bird populations of the Strait of Juan de Fuca, Strait of Georgia and adjacent waters in 1978 and 1979

The threat of oil pollution in the Strait of Juan de Fuca has prompted this study of marine birds in Washington State. The study was conducted from 1 January 1978 to 31 December 1979 in the Strait of Juan de Fuca north to the San Juan Islands and Point Roberts and west to Sidney, British Columbia. Major objectives were to determine the time of occurrence, distribution, abundance, and locations of important concentrations of marine birds. Data were obtained on breeding marine birds on 99 geographic units in American waters.