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Precision and accuracy of Dahl-Lea back-calculated smolt lengths from adult scales of Atlantic salmon (Salmo salar L.)

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dc.contributor.authorHanson, Nora N
dc.contributor.authorSmith, Gordon W
dc.contributor.authorMiddlemas, Stewart J
dc.contributor.authorTodd, Christopher David
dc.date.accessioned2019-11-15T00:36:44Z
dc.date.available2019-11-15T00:36:44Z
dc.date.issued2019-01-29
dc.identifier.citationHanson , N N , Smith , G W , Middlemas , S J & Todd , C D 2019 , ' Precision and accuracy of Dahl-Lea back-calculated smolt lengths from adult scales of Atlantic salmon ( Salmo salar L. ) ' , Journal of Fish Biology , vol. 94 , no. 1 , pp. 183-186 . https://doi.org/10.1111/jfb.13863en
dc.identifier.issn0022-1112
dc.identifier.otherPURE: 256915050
dc.identifier.otherPURE UUID: 13667299-42f5-4d76-8aee-c5adac2b9042
dc.identifier.otherScopus: 85059188554
dc.identifier.otherORCID: /0000-0002-9690-2839/work/60427289
dc.identifier.otherWOS: 000457463200022
dc.identifier.urihttp://hdl.handle.net/10023/18930
dc.description.abstractUsing tagged and recaptured Atlantic salmon Salmo salar (n = 106) the present analysis shows that the most commonly applied linear back-calculation method for estimating past length, the Dahl-Lea method, resulted in overestimation of the length of large smolts and underestimation of small smolts.  A correction equation (y = 0.53x + 6.23) for estimating true smolt length (y) from lengths back-calculated from adult scale measures (x) to account for these systematic discrepancies is proposed.
dc.language.isoeng
dc.relation.ispartofJournal of Fish Biologyen
dc.rightsCopyright © 2018, Crown copyright. This work is made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1111/jfb.13863en
dc.subjectAllometryen
dc.subjectBack-calculationen
dc.subjectCirculien
dc.subjectGrowthen
dc.subjectIncrement analysisen
dc.subjectSalmo salaren
dc.subjectQH301 Biologyen
dc.subjectSH Aquaculture. Fisheries. Anglingen
dc.subjectNDASen
dc.subject.lccQH301en
dc.subject.lccSHen
dc.titlePrecision and accuracy of Dahl-Lea back-calculated smolt lengths from adult scales of Atlantic salmon (Salmo salar L.)en
dc.typeJournal articleen
dc.description.versionPostprinten
dc.contributor.institutionUniversity of St Andrews. School of Biologyen
dc.contributor.institutionUniversity of St Andrews. Marine Alliance for Science & Technology Scotlanden
dc.contributor.institutionUniversity of St Andrews. Scottish Oceans Instituteen
dc.identifier.doihttps://doi.org/10.1111/jfb.13863
dc.description.statusPeer revieweden
dc.date.embargoedUntil2019-11-15


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