On the Nutrition and Metabolism of Zooplankton X. Quantitative Aspects ofCalanus HelgolandicusFeeding as a Carnivore
- 11 May 1976
- journal article
- research article
- Published by Cambridge University Press (CUP) in Journal of the Marine Biological Association of the United Kingdom
- Vol. 56 (2) , 345-358
- https://doi.org/10.1017/s0025315400018968
Abstract
INTRODUCTIONIn an earlier study (Corneret al.1974) the copepodCalanus helgolandicus(Claus) was found to feed actively on nauplii of the barnacleElminius modestusDarwin, one adult female ingesting a maximum daily ration equivalent to 25% of the body nitrogen. The present work, in whichElminiusnauplii have again been used as a diet, extends the earlier study by determining how efficientlyCalanusdigests an animal food. In addition, the methods used have provided information on other aspects of carnivorous feeding byCalanus, including the relationship between food concentration and size of ration ingested as well as gross growth efficiency, i.e. the proportion of ingested food invested in growth.This publication has 32 references indexed in Scilit:
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