The seaward movement of Atlantic salmon smolts in the Usk estuary, Wales, as inferred from power station catches

The greatest numbers of Atlantic salmon smolts were caught at Uskmouth power station during the day on the flood tide and the least on an ebbing night tide. Catch rates during the day on an ebb tide and at night on a flood tide represented an intermediate state. The results, together with tracking d...

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Bibliographic Details
Published inJournal of fish biology Vol. 50; no. 2; pp. 442 - 444
Main Authors Aprahamian, M. W., Jones, G. O.
Format Journal Article
LanguageEnglish
Published Oxford, UK Blackwell Publishing Ltd 01.02.1997
Blackwell
Subjects
Agnatha. Pisces
Animal and plant ecology
Animal, plant and microbial ecology
Animals
Autoecology
Biological and medical sciences
Brackish
entrapment
estuary
Freshwater
Fundamental and applied biological sciences. Psychology
Marine
migration
Salmo salar
smolt
Usk
Vertebrata
United Kingdom
Great Britain
Europe
Wales
ANE, British Isles, Wales, South Wales, Gwent, USK Estuary
Salmonidae
Brackish water environment
Salmo salar
Estuaries
Environmental factor
Daily variation
Animal active movement
Animal migration
Tides
Young animal
Smoltification
Vertebrata
Pisces
Downstream
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Summary:The greatest numbers of Atlantic salmon smolts were caught at Uskmouth power station during the day on the flood tide and the least on an ebbing night tide. Catch rates during the day on an ebb tide and at night on a flood tide represented an intermediate state. The results, together with tracking data, suggest that salmon smolts prefer to migrate seaward through the lower Usk estuary during the night Oncc an ebbing tide.
Bibliography:ark:/67375/WNG-L005LXN2-V
ArticleID:JFB442
istex:3C9C506D30F54EEE15659D3CE1153378C79F175F
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0022-1112
1095-8649
DOI:10.1111/j.1095-8649.1997.tb01371.x