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Empirical modelling of the growth of Ruditapes philippinarum by means of non linear regression on factorial coordinates

Published online by Cambridge University Press:  15 July 1988

Philippe Goulletquer  and
Cédric Bacher
Philippe Goulletquer
Affiliation:
IFREMER, Station de La Tremblade, Mus de Loup, BP n° 133, 17390 La Tremblade, France
Cédric Bacher
Affiliation:
IFREMER, Station de La Tremblade, Mus de Loup, BP n° 133, 17390 La Tremblade, France
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Abstract

In order to highlight the main factors accounting for the growth of clams in Marennes-Oléron Bay, three locations were investigated in 1984-85. First, factor analysis provided information on fluctuations of the environment. Second, principal components analysis was used to study ecological phenomena. The main axes explained the growth rate, which was included in an allometric model. Its properties were then studied by means of sensitivity analysis.

Keywords

Trophic relationshipsRuditapes philippinarumprincipal components analysisnon-linear modelsensitivity analysisRelations trophiquesRuditapes philippinarumanalyse en composantes principalesmodèle non linéaireanalyse de sensibilité
Type
Research Article
Information
Aquatic Living Resources , Volume 1 , Issue 3 , July 1988 , pp. 141 - 154
Copyright
© IFREMER-Gauthier-Villars, 1988

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