- juvenile fish living in Alaska’s streams often concentrate together in ice-free areas during winter
- this is interesting because at other seasons they are highly territorial
- spring-fed areas in some streams may be critical to the overwinter survival of these fish
- at Hood Bay creek on Admiralty Island we discovered most of the young coho and Dolly Varden migrated upstream to spring water areas for the winter
- identification and protection of these special areas may be important to their survival, especially in cold winters when most of the stream is frozen