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A growth model of the cockle (Cerastoderma edule L.) tested in the Oosterschelde estuary (The Netherlands)
Rueda, J.L.; Smaal, A.C.; Scholten, H. (2005). A growth model of the cockle (Cerastoderma edule L.) tested in the Oosterschelde estuary (The Netherlands). J. Sea Res. 54(4): 276-298. dx.doi.org/10.1016/j.seares.2005.06.001
In: Journal of Sea Research. Elsevier/Netherlands Institute for Sea Research: Amsterdam; Den Burg. ISSN 1385-1101, more
Peer reviewed article  

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Keywords
    Ecophysiology; Filter feeders; Growth; Models; Reproduction; Simulation; Cerastoderma edule (Linnaeus, 1758) [WoRMS]; ANE, Netherlands, Oosterschelde [Marine Regions]; Marine

Authors  Top 
  • Rueda, J.L.
  • Smaal, A.C., more
  • Scholten, H.

Abstract
    We present an ecophysiological model of the bivalve Cerastoderma edule that simulates individual growth and reproduction under ambient conditions in temperature and food availability in the Oosterschelde estuary, SW Netherlands. The model contains feedback loops in the uptake and metabolism of food and in the partitioning of carbon to the internal state variables: somatic tissue, storage, organic shell matrix and gametes. The model was calibrated for 24 parameters, based on random distributions of parameter values. This procedure includes an estimate of confidence intervals of the output variables. The simulated growth of shell length and animal wet and dry weight reflected the observed values of growth in the field for the period 1993-1997. The model is a tool for the integration of ecophysiological knowledge of this species and also for carrying-capacity studies of shellfish culture and for environmental management of populations in estuarine and coastal areas.

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