A technical note on seasonal growth models

A technical note on seasonal growth models The growth of many organisms is seasonal, with a dependence on variation in temperature, light, and food availability. A growth model proposed by Somers (Fishbyte 6:8–11, 1988) is one of the most widely used models to describe seasonal growth. We point out that three different formulae (beyond numerous typographical errors) have been used in the literature referring to Somers (Fishbyte 6:8–11, 1988). These formulae correspond to different curves and yield different parameter estimates with different biological interpretations. These inconsistencies have led to the wrong identification of the period of lowest growth rate (winter point) in some papers of the literature. We urge authors to carefully edit their formulae to assure use of the original definition in Somers (Fishbyte 6:8–11, 1988). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Reviews in Fish Biology and Fisheries Springer Journals

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Publisher
Springer Journals
Copyright
Copyright © 2012 by Springer Science+Business Media B.V.
Subject
Life Sciences; Zoology; Freshwater & Marine Ecology
ISSN
0960-3166
eISSN
1573-5184
D.O.I.
10.1007/s11160-012-9262-x
Publisher site
See Article on Publisher Site

Abstract

The growth of many organisms is seasonal, with a dependence on variation in temperature, light, and food availability. A growth model proposed by Somers (Fishbyte 6:8–11, 1988) is one of the most widely used models to describe seasonal growth. We point out that three different formulae (beyond numerous typographical errors) have been used in the literature referring to Somers (Fishbyte 6:8–11, 1988). These formulae correspond to different curves and yield different parameter estimates with different biological interpretations. These inconsistencies have led to the wrong identification of the period of lowest growth rate (winter point) in some papers of the literature. We urge authors to carefully edit their formulae to assure use of the original definition in Somers (Fishbyte 6:8–11, 1988).

Journal

Reviews in Fish Biology and FisheriesSpringer Journals

Published: Mar 13, 2012

References

  • Population dynamics of Callichirus major (Say, 1818) (Crustacea, Thalassinidea) on a beach in northeastern Brazil
    Botter-Carvalho, ML; Santos, PJP; Carvalho, P
  • Population dynamics and growth of Nassarius reticulatus (Gastropoda: Nassariidae) in Rhosneigr (Anglesey, UK)
    Chatzinikolaou, E; Richardson, CA
  • Growth and reproduction of the wedge clam (Donax trunculus) in the Sea of Marmara, Turkey
    Deval, MC
  • Age and individual growth of Mesodesma mactroides (Bivalvia) in the southernmost range of its distribution
    Fiori, SM; Morsán, EM
  • Length-based estimates of growth parameters and mortality rates of fish populations of the Caribbean Sea
    García, CB; Duarte, LO

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