Permanence of Station in Juvenile Chinook Salmon and Steelhead Trout

摘要: Daytime movements and night locations of juvenile steelhead trout (Salmo gairdneri) spring-run chinook salmon (Oncorhynchus tshawytscha) were observed in Johnson Creek the Lochsa River Idaho during summers 1965 1966. The observations made by branding fish observing them subsequently under water. distances between sequential sightings branded within each day over longer periods recorded. In 151 Creek, 58% moved less than 3 m 86% 6 m. 59 on successive days 53% 68% 6 m apart. separated 10–14 days, 45% (25) 63% Movements measured a stream aqu...