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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

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one publication added to basket [106739]

A bioenergetics model for juvenile flounder Platichthys flesus Stevens, M.; Maes, J.; Ollevier, F.P. (2006). A bioenergetics model for juvenile flounder Platichthys flesus, in: Stevens, M. Intertidal and basin-wide habitat use of fishes in the Scheldt estuary = Getij- en bekkengebonden habitatgebruik door vissen in het Schelde-estuarium. pp. 81-92 In: Stevens, M. (2006). Intertidal and basin-wide habitat use of fishes in the Scheldt estuary = Getij- en bekkengebonden habitatgebruik door vissen in het Schelde-estuarium. PhD Thesis. Katholieke Universiteit Leuven, Laboratorium voor Aquatische Ecologie: Heverlee. ISBN 978-90-8649-073-8. 150 pp., meer Is gerelateerd aan: Stevens, M.; Maes, J.; Ollevier, F.P. (2006). A bioenergetics model for juvenile flounder Platichthys flesus. J. Appl. Ichthyol. 22(1): 79-84. https://dx.doi.org/10.1111/j.1439-0426.2006.00708.x, meer

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Beschikbaar in	Auteurs
VLIZ: Open Marine Archive 114522 [ download pdf ]

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Trefwoorden

Feeding Population functions > Growth Platichthys flesus (Linnaeus, 1758) [WoRMS] ANE, British Isles, Scotland, Grampian, Ythan Estu [Marine Regions] Marien/Kust; Zoet water

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Habitat quality of flounder (Platichthys flesus) in the Scheldt estuary: a field and modelling study, meer

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Stevens, M., meer Maes, J., meer Ollevier, F.P., meer

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Abstract

Despite the numerous physiological studies on flatfish and their economic and ecologic importance, only a few attempts have been made to construct a bioenergetics model for these species. Here we present the first bioenergetics model for European flounder (Platichthys flesus), using experimentally derived parameter values. We tested model performance using literature derived field-based estimates of food consumption and growth rates of an estuarine flounder population in the Ythan estuary, Scotland. The model was applied to four age-classes of flounder (age 0–3). Sensitivity of model predictions to parameter perturbation was estimated using error analysis. The fit between observed and predicted series was evaluated using three statistical methods: partitioning mean squared error, a reliability index (RI) and an index of modelling efficiency (MEF). Overall, model predictions closely tracked the observed changes of consumption and growth. The results of the different validation techniques show a high goodness-of-fit between observed and simulated values. The model clearly demonstrates the importance of temperature in determining growth of flounder in the estuary. A sex-specific estimation of the energetic costs of spawning in adult flounder and a more accurate description of the thermal history of the fish may further reduce the error in the model predictions.

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