A: Introduction: Life History & Ecology. 1. Life history strategies of marine mammals; P.G.H. Evans, I. Stirling. 2. How persistent are marine mammal habitants in an ocean of variability? A. Bj rge. 3. Ecological aspects of reproduction of marine mammals; C. Lockyer. B: Sensory Systems and Behaviour. 4. Sound and cetaceans; J. Gordon, P. Tyack. 5. Behavioural ecology of cetaceans; J.R. Boran, et al. 6. New perspectives on the behavioural ecology of pinnipeds; H.L. Cappozzo. C: Survey and Study Techniques. 7. Assessment of marine mammal population size and status; P.S. Hammond. 8. Acoustic techniques for studying cetaceans; J. Gordon, P. Tyack. 9. Applications of molecular data in cetacean taxonomy and population genetics with special emphasis on defining species boundaries in cetaceans; M.C. Milinkovitch, et al. D: Health, Parasites and Pathogens. 10. Marine mammal health: Holding the balance in an everchanging sea; J.R. Geraci, V. Lounsbury. 11. Living together: the parasites of marine mammals; F.J. Aznar, et al. 12. Marine Mammal mass mortalities; M. Domingo, et al. E: Conservation & Management. 13. Interactions between aquatic mammals and humans in the context of ecosystem management; E.A. Crespo, M. Hall. 14. Environmentalists, fishermen, cetaceans and fish: Is there a balance and can science help to find it? M. Hall, G.P. Donovan. 15. Organohalogenated contaminants in marine mammals; A.J. Hall. 16. Cetaceans andhumans: influences of noise; B. Würsig, P.G.H. Evans. Systematic List of Marine Mammals. Index.