1. Africa's troubled waters
2. A Perspective on America's Vanishing Streams
3. Bocking, R. C. 1987. Canadian water: a com-modity for export? Pages 105-135 in M. C.Healey and R. R. Wallace, ed. CanadianAquatic Resources. Can. Bull. Fish. Aquat.Sci. 215.BockingCanadian water: a commodity for export?105215Canadian Aquatic Resources1987
4. Changes in Habitat and Microhabitat Partitioning within an Assemblage of Stream Fishes in Response to Predation by Sacramento Squawfish (Ptychocheilus grandis)
5. Bruton, M. N., and J. van As. 1986. Faunalinvasions of aquatic ecosystems in southernAfrica, with suggestions for their manage-ment. Pages 47-61 in I. A. W. MacDonald,F. J. Kruger, and A. A. Ferrar, ed. Ecologyand Management of Biological Invasions inSouthern Africa. Oxford University Press,New York.BrutonFaunal invasions of aquatic ecosystems in southern Africa, with suggestions for their management47Ecology and Management of Biological Invasions in Southern Africa1986