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Jungwirth, M., S. Schmutz and S. Weiss, eds. (1998). Fish Migration and Fish Bypasses. Fishing News Books, Vienna (Austria).

The symposium Fish Migration and Fish Bypass Channels was held on 24-27 September 1996 by the University of Agricultural Sciences, Department of Hydrobiology Fisheries and Aquaculture in Vienna, Austria. The meeting was attended by a diverse group of engineers and biologists primarily involved in various aspects of fish passage design and evaluation, river restoration or the study of migratory fish. This publication contains the majority of the oral presentations in article format, together with some poster material extended into articles. Since the publication of Charles Clay's The Design of Fishyways and Fishpass Facilities in 1961, the joint efforts of hydraulic engineers and fishery biologists have led to tremendous improvements in the technical design and efficiency of a whole array of fish passage facilities, together with an increased understanding, at least for a handful of well-researched species such as anadromous salmonids, of the complexities of fish migration and behaviour important to fish passage. This research has reached perhaps its zenith in cost, scale and complexity with the passage facilities on a series of dams on the Columbia River in the north-western United States. Here, one can boast of passing adult salmon through a staircase of concrete and metal baffles, orifices and louvres with an elevation gain of 35 m across 1300 m of length in under 4 hours (Williams, Chapter 13).