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

Research output: Contribution to journalArticle

DOI

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Precision and accuracy of Dahl-Lea back-calculated smolt lengths from adult scales of Atlantic salmon (Salmo salar L.). / Hanson, Nora N; Smith, Gordon W; Middlemas, Stewart J; Todd, Christopher David.

In: Journal of Fish Biology, Vol. 94, No. 1, 29.01.2019, p. 183-186.

Research output: Contribution to journalArticle

Harvard

Hanson, NN, Smith, GW, Middlemas, SJ & Todd, CD 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.13863

APA

Hanson, 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, 94(1), 183-186. https://doi.org/10.1111/jfb.13863

Vancouver

Hanson NN, Smith GW, Middlemas SJ, Todd CD. Precision and accuracy of Dahl-Lea back-calculated smolt lengths from adult scales of Atlantic salmon (Salmo salar L.). Journal of Fish Biology. 2019 Jan 29;94(1):183-186. https://doi.org/10.1111/jfb.13863

Author

Hanson, Nora N ; Smith, Gordon W ; Middlemas, Stewart J ; Todd, Christopher David. / Precision and accuracy of Dahl-Lea back-calculated smolt lengths from adult scales of Atlantic salmon (Salmo salar L.). In: Journal of Fish Biology. 2019 ; Vol. 94, No. 1. pp. 183-186.

Bibtex - Download

@article{1366729942f54d768aeec5adac2b9042,
title = "Precision and accuracy of Dahl-Lea back-calculated smolt lengths from adult scales of Atlantic salmon (Salmo salar L.)",
abstract = "Using 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.",
keywords = "Allometry, Back-calculation, Circuli, Growth, Increment analysis, Salmo salar",
author = "Hanson, {Nora N} and Smith, {Gordon W} and Middlemas, {Stewart J} and Todd, {Christopher David}",
year = "2019",
month = "1",
day = "29",
doi = "10.1111/jfb.13863",
language = "English",
volume = "94",
pages = "183--186",
journal = "Journal of Fish Biology",
issn = "0022-1112",
publisher = "John Wiley & Sons, Ltd (10.1111)",
number = "1",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Precision and accuracy of Dahl-Lea back-calculated smolt lengths from adult scales of Atlantic salmon (Salmo salar L.)

AU - Hanson, Nora N

AU - Smith, Gordon W

AU - Middlemas, Stewart J

AU - Todd, Christopher David

PY - 2019/1/29

Y1 - 2019/1/29

N2 - Using 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.

AB - Using 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.

KW - Allometry

KW - Back-calculation

KW - Circuli

KW - Growth

KW - Increment analysis

KW - Salmo salar

U2 - 10.1111/jfb.13863

DO - 10.1111/jfb.13863

M3 - Article

VL - 94

SP - 183

EP - 186

JO - Journal of Fish Biology

T2 - Journal of Fish Biology

JF - Journal of Fish Biology

SN - 0022-1112

IS - 1

ER -

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ID: 256915050