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Seaward migrating subyearling Chinook salmon avoid overhead cover

Seaward migrating subyearling Chinook salmon avoid overhead cover
Seaward migrating subyearling Chinook salmon avoid overhead cover
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.
habitat-preference, predators, shade, shelter
0022-1112
1381-1391
Kemp, P.S.
9e33fba6-cccf-4eb5-965b-b70e72b11cd7
Gessel, M.H.
dea89294-0d3b-4135-9ebe-e814f90097c6
Williams, J.G.
07300158-3609-4eae-be2d-82386ed7a3d5
Kemp, P.S.
9e33fba6-cccf-4eb5-965b-b70e72b11cd7
Gessel, M.H.
dea89294-0d3b-4135-9ebe-e814f90097c6
Williams, J.G.
07300158-3609-4eae-be2d-82386ed7a3d5

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).

Record type: Article

Abstract

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.

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More information

Published date: 2005
Keywords: habitat-preference, predators, shade, shelter

Identifiers

Local EPrints ID: 39475
URI: http://eprints.soton.ac.uk/id/eprint/39475
ISSN: 0022-1112
PURE UUID: 6f8fdbdb-f3f4-421a-a8fe-9062bc413e51
ORCID for P.S. Kemp: ORCID iD orcid.org/0000-0003-4470-0589

Catalogue record

Date deposited: 28 Jun 2006
Last modified: 16 Mar 2024 03:42

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Contributors

Author: P.S. Kemp ORCID iD
Author: M.H. Gessel
Author: J.G. Williams

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