Abstract
Abstract. Sampling of juvenile salmonids is often difficult or impractical in deep pools or areas of dense cover. Small, wire-mesh ‘minnow’ traps can be used successfully in these conditions, however, and are now a standard sampling tool in the Pacific Northwest of North America. The use and application of the traps in studies of juvenile salmonids is discussed and an experimental study described in which the relationship between traps soak-time and catch size was investigated. In areas of high population density, catches of juvenile salmonids reached a peak after l-2h whereas in lower density areas catch continued to increase over 24h.
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