Estimation of parameters in a Bertalanffy type of temperature dependent growth model using data on juvenile stone loach (Barbatula barbatula)

J. Grasman, W.B.E. van Deventer, V. van Laar

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Parameters of a Bertalanffy type of temperature dependent growth model are fitted using data from a population of stone loach (Barbatula barbatula). Over two periods respectively in 1990 and 2010 length data of this population has been collected at a lowland stream in the central part of the Netherlands. The estimation of the maximum length of a fully grown individual is given special attention because it is in fact found as the result of an extrapolation over a large interval of the entire lifetime. It is concluded that this parameter should not at forehand be set at one fixed value for the population at that location due to varying conditions over the years.
Original languageEnglish
Pages (from-to)393-405
JournalActa Biotheoretica
Volume60
Issue number4
DOIs
Publication statusPublished - 2012

Keywords

  • fish growth
  • sensitivity
  • maturity
  • equation

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