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Journal Article

A model of growth and development in copepods

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons56605

Van Den Bosch,  Frank
Department Ecophysiology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons56683

Gabriel,  Wilfried
Department Ecophysiology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;

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Citation

Van Den Bosch, F., & Gabriel, W. (1994). A model of growth and development in copepods. Limnology and Oceanography, 39(7), 1528-1542.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000F-E344-D
Abstract
We present a model for the growth and development of copepods based on the simple assumption that a constant fraction of assimilated carbon is invested in the formation of a new carapace. The individual molts into the next stage when the weight of the accumulated carapace building bricks is a fixed fraction of the body mass at the beginning of the stage. This simple stage-transition coordinating system is built into an individual growth model. The model predicts decreasing stage duration and increasing body weight with increasing food concentrations. These trends closely agree with published data. Anisochronality, as found in many copepod species, agrees with model predictions. Acartia species usually show isochronal development. The model predicts isochronal development for one particular value of a parameter of the feeding process. Literature data show that this parameter value is realistic for Acartia spp. ''Equiproportionality'' is predicted by the model. The model thus shows close agreement with observed growth and development patterns