Title

Passage of Salmonids Through a Darkened Fishway

Authors

C W. Long

Publication Date

1959

Keywords

day/night samples, fish passage, light conditions, orifices, pool and weir, rate of passage, salmonids, steelhead

Report number

Fisheries No. 300

Publisher

US Fish and Wildlife Service

Series Title

Special Scientific Reports

Abstract

An experiment to produce specific information on rate of ascent of salmonids through a darkened fishway was conducted in a short, pool-and-overfall fishway without submerged orifices. The fish (98 percent steelhead - Salmo gairdneri) negotiated the 6-pool fishway significantly faster in near-total darkness than in light conditions approximating a bright, cloudy day.

This document is currently not available here.

Share

COinS