1992. Paperback in very good condition. Ex library mark on spine. Highlighting and pencil marks on the first few pages only. Occasional Paper Number 75. This book presents the proceedings of a symposium held on April 8, 1991 at the Institute of Ocean Sciences, Sidney, B.C. Part 1, The Physical and Biological Environment; Part 2, Population and Breeding Ecology of Marine and Shoreline Birds; Part 3, Distribution of Marine and Shoreline Birds at Sea.