PageForeword, by Harvey K. NelsonviiIntroduction, by Lynn A. GreenwaltixMarine Environment of Birds1Long-term Climatic and Oceanographic Cycles Regulating Seabird Distributions and Numbers, by M. T. Myres3Sea Ice as a Factor in Seabird Distribution and Ecology in the Beaufort, Chukchi, and Bering Seas, by George J. Divoky9Status of Marine Bird Populations19Distribution and Status of Marine Birds Breeding Along the Coasts of the Chukchi and Bering Seas, by James C. Bartonek and Spencer G. Sealy21Breeding Distribution and Status of Marine Birds in the Aleutian Islands, Alaska, by Palmer C. Sekora, G. Vernon Byrd, and Daniel D. Gibson33The Historical Status of Nesting Seabirds of the Northern and Western Gulf of Alaska, by LeRoy W. Sowl47Status and Distribution of Breeding Seabirds of Southeastern Alaska, British Columbia, and Washington, by David A. Manuwal and R. Wayne Campbell73The Biology and Ecology of Marine Birds in the North93Trophic Relations of Seabirds in the Northeastern Pacific Ocean and Bering Sea, by David G. Ainley and Gerald A. Sanger95Population Dynamics in Northern Marine Birds, by William H. Drury123Time-energy Use and Life History Strategies of Northern Seabirds, by Erica H. Dunn141Zoogeography and Taxonomic Relationships of Seabirds in Northern North America, by M. D. F. Udvardy167Conflicts Between the Conservation of Marine Birds and Uses of Other Resources171Social and Economic Values of Marine Birds, by David R. Cline, Cynthia Wentworth, and Thomas W. Barry173Resource Development Along Coasts and on the Ocean Floor: Potential Conflicts with Marine Bird Conservation, by Donald E. McKnight and C. Eugene Knoder183Mortality to Marine Birds Through Commercial Fishing, by Warren B. King, R. G. B. Brown, and Gerald A. Sanger195Interactions Among Marine Birds and Commercial Fish in the Eastern Bering Sea, by Richard R. Straty and Richard E. Haight201Interrelations Between Seabirds and Introduced Animals, by Robert D. Jones, Jr., and G. Vernon Byrd221Oil Vulnerability Index for Marine Oriented Birds, by James G. King and Gerald A. Sanger227Programs and Authorities Related to Marine Bird Conservation241Programs and Authorities Related to Marine Bird Conservation in Washington State, by Ralph W. Larson243Programs and Authorities of the Province of British Columbia Related to Marine Bird Conservation, by W. T. Munro and R. Wayne Campbell247Petroleum Industry's Role in Marine Bird Conservation, by Keith G. Hay251Conservation of Marine Birds in Other Lands259Conservation of Marine Birds in New Zealand, by Gordon R. Williams261Marine Birds in the Danish Monarchy and Their Conservation, by Finn Salomonsen267Present Status and Trends in Population of Seabirds in Norway, by Einar Brun289Symposium Summary303Conservation of Marine Birds of Northern North America—a Summary, by Ian C. T. Nisbet305Appendix. Papers and oral summaries presented at the symposium but which do not appear in this publication319