Life Cycle
Although Calanus is very widely distributed over most of the oceans of the world its centre of abundance is in the north, and it is in the North Atlantic and Norwegian Sea that most work has been done on its annual life cycle. Round Greenland and Iceland,
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The Biology of a Marine Copepod
Reprint
Springer-Verlag Berlin Heidelberg GmbH
1972
First published 1955 First reprint 1972 - with a new preface by Sheina M. Marshall and a selection of papers on Calanus finmarchicus published since 1953
ISBN 978-3-662-13140-4 ISBN 978-3-662-13138-1 (eBook) DOI 10.1007/978-3-662-13138-1
This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned, specifically those of translation, reprinting, re-use of illustrations, broadcasting, reproduction by photocopying machine or similar means, and storage in data banks Under ยง 54 of the German Copyright Law where copies are made for other than private use, a fee is payable to the publisher, the amount of the fee to be determined by agreement with the publisher Library of Congress Catalog Card Number 70-185191.
PREFACE I am glad to welcome this reprint of a book which the late Dr. A. P. Orr and I had much pleasure in writing. Since it was first published in 1955 there has been a great expansion of work on the metabolism of copepods, especially on Calanus finmarchicus and its related species. Some pages of more recent references have therefore been added to the bibliography. In the main text there is, of course, no discussion of, or reference to, the work described in these papers, but they will be useful to students who want to pursue the subject further. In the additional references Calanus finmarchicus is taken in its original wider sense and includes those forms which are now considered to be separate species, e. g. C. helgolandicus, C. pacificus, C. glacialis, C. ponticus. Millport, January 1972
S. M. Marshall
Photo: D. P. WILSON
Frrmlispil1ce
Female Calanus finmarchi.cus (helgolandicus form)
THE BIOLOGY OF A MARINE COPEPOD Calanus finmarchicus (Gunnerus)
by
S. M. MARSHALL, D.Se., F.R.S.E., and A. P. ORR, M.A., D.Se., F.R.S.E. of The Marine Station, Millport
OLIVER & BOYD EDINBURGH: TWEEDDALE COURT LONDON: 39A WELBECK STREET, W.l
FOREWORD Ca/anus finmarchicus is one of the most important members of the zooplankton because of its enormous numbers and the part it plays in the conversion of the phytoplankton into protein and fat suitable as food for shoaling fishes, whales and many other animals. Much work has been done on it since its discovery in 1767, and here we have attempted to bring together the large amount of information which has been obtained. The stress in this book however has been laid on the life history and physiology rather than on distribution. We should like to thank Dr C. M. Yonge, F.R.S., Professor of Zoology in the University of Glasgow, for first suggesting the work and for his encouragement thereafter and also Mr F. S. Russell, F.R.S., Director of the Marine Biological Laboratory, Plymouth, and Dr A. C. Hardy, F.R.S., Linacre Professor of Zoology at Oxford, for useful criticisms of the typescript. Many members of the marine station staff gave us help and we should like particularly to thank Dr R. B. Pike for preparing some of the original dra
