1. Vitousek,P. M., D'Antonio,C. M., Loope,L. L. & Westbrooks,R. Biological invasions as global environmental change. Am. Sci. 84, 468–478 (1996).
2. Zaret,T. M. & Paine,R. T. Species introduction in a tropical lake. Science 182, 449–455 (1973).
3. Lodge,D. M. Biological invasions: lessons for ecology. Trends Ecol. Evol. 8, 133–137 (1993).
4. Taylor,J. N., Courtenay,W. R. & McCann,J. A. in Distribution, Biology, and Management of Exotic Fishes (eds Courtenay, W. R. & Stauffer, J. R.) 322–373 (Johns Hopkins Univ. Press, Baltimore, 1984).
5. Moyle,P. B. in Ecology of Biological Invasions of North America and Hawaii (eds Mooney, H. A. & Drake, J. A.) (Springer, New York, 1986).