Advancing the Art of Engineering Fishways for Upstream Migrants
Proceedings of the International Symposium on Fishways '90
Significant advances in engineering fishways which occurred in the last ten years are summarized. Several recent lab studies using hydraulic models of various types of fishways for upstream migrating fish are reviewed. Results from lab studies using hydraulic models of various types of fishways are highlighted and results from some field and office studies are outlined. Hydraulic modelling was performed with 6 variations of Denil fishways, 18 variations of vertical slot fishways, 3 variations of weir or orifice fishways, and 6 variations of culvert fishways. Field studies focused on assessing the fish passage effectiveness of existing or newly constructed fishways for various species. Office studies analyzed results from both lab and field studies, as well as data on fish swimming performance reported in the literature. Salient features from field and office studies are reported.
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