Modelling developmental changes in the carbon and nitrogen budgets of larval brachyuran crabs


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kanger [ at ] awi-bremerhaven.de

Abstract

The uptake and partitioning of nutritional carbon (C) and nitrogen (N) were studied during the complete larval development of a brachyuran crab, Hyas araneus , reared under constant conditions in the laboratory. Biochemical and physiological data were published in a foregoing paper, and complete budgets of C and N were now constructed from these data. Regression equations describing rates of feeding (F), growth (G), respiration (R), and ammonia excretion (U) as functions of time during individual larval moult cycles were inserted in a simulation model, in order to analyse time-dependent (i.e. developmental) patterns of variation in these parameters as well as in bioenergetic efficiencies.



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Scopus/ISI peer-reviewed
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Published
Eprint ID
4267
Cite as
Anger, K. (1990): Modelling developmental changes in the carbon and nitrogen budgets of larval brachyuran crabs , Helgoländer Meeresuntersuchungen, 44 , pp. 53-80 .


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