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Diel habitat partitioning by bull charr and cutthroat trout during fall and winter in Rocky Mountain streams

Posted date: May 19, 2015
Publication Year: 
2000
Authors: Jakober, Michael J.; McMahon, Thomas E.; Thurow, Russ F.
Publication Series: 
Scientific Journal (JRNL)
Source: Environmental Biology of Fishes. 59: 79-89.

Abstract

We used underwater observation to determine diel habitat partitioning between bull charr, Salvelinus confluentus, and cutthroat trout, Oncorhynchus clarki, during fall and winter (0.1-8.3°C) in two Rocky Mountain streams that differed in habitat availability. The majority (>70%) of both species emerged from concealment cover at night, though bull charr exhibited a greater tendency for nocturnal behavior than cutthroat trout. Differences in day and night counts were most pronounced at temperatures

Citation

Jakober, Michael J.; McMahon, Thomas E.; Thurow, Russell F. 2000. Diel habitat partitioning by bull charr and cutthroat trout during fall and winter in Rocky Mountain streams. Environmental Biology of Fishes. 59: 79-89.