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Street lighting disrupts the diel migratory pattern of wild Atlantic salmon, Salmo salar L., smolts leaving their natal stream

The migratory timing and behaviour of wild Atlantic salmon smolts leaving their natal stream was determined using a passive integrated transponder (PIT) antennae system at a study site on a tributary of the River Itchen, England. Experiments compared the downstream migration of smolts under natural...

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Bibliographic Details
Published in:Aquaculture 2012-02, Vol.330-333, p.74-81
Main Authors: Riley, W.D., Bendall, B., Ives, M.J., Edmonds, N.J., Maxwell, D.L.
Format: Article
Language:English
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Summary:The migratory timing and behaviour of wild Atlantic salmon smolts leaving their natal stream was determined using a passive integrated transponder (PIT) antennae system at a study site on a tributary of the River Itchen, England. Experiments compared the downstream migration of smolts under natural control conditions (2000–2006) with two years (2008 and 2009) when the main downstream exit of the study site was subject to street-lit conditions every alternate night (maximum light intensity measured at the stream surface=14lx). Migration of smolts under control conditions was significantly (p
ISSN:0044-8486
1873-5622
DOI:10.1016/j.aquaculture.2011.12.009