Seaward migrating subyearling Chinook salmon avoid overhead cover

Kemp, P.S., Gessel, M.H. and Williams, J.G. (2005) Seaward migrating subyearling Chinook salmon avoid overhead cover. Journal of Fish Biology, 67, (5), 1381-1391. (doi:10.1111/j.0022-1112.2005.00833.x).


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Approximately threequarters of migrating autumn (fall) chinook salmon Oncorhynchus tshawytscha smolts avoided a covered channel and selected an uncovered channel when presented with a choice in an experimental flume. Rejection of overhead cover occurred prior to, but was rare postchannel entrance. Smolts may selectively reject riparian cover as an adaptive behavioural response to minimize predation risk and enhance rates of migration. The findings have implications for fish bypass design and riparian habitat and culvert restoration.

Item Type: Article
ISSNs: 0022-1112 (print)
Related URLs:
Keywords: habitat-preference, predators, shade, shelter
Subjects: S Agriculture > SH Aquaculture. Fisheries. Angling
T Technology > TA Engineering (General). Civil engineering (General)
Q Science > QH Natural history
Divisions: University Structure - Pre August 2011 > School of Civil Engineering and the Environment
ePrint ID: 39475
Date Deposited: 28 Jun 2006
Last Modified: 06 Aug 2015 02:33

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