Polar Biology

, Volume 30, Issue 5, pp 655–658 | Cite as

Lipids in copepodite stages of Calanus glacialis

  • Anette WoldEmail author
  • Eva Leu
  • Wojciech Walkusz
  • Stig Falk-Petersen
Short Note


Calanus glacialis is a key herbivore in Arctic shelf seas. It feeds on primary producers and accumulates large energy reserves, primarily as wax esters. Lipid classes, fatty acids (FAs) and fatty alcohols (FAlcs) from copepodite stage II (CII) to adult females (AF) from Kongsfjorden, Svalbard, were studied in May 2004. Wax esters were the dominating lipid class in all stages, ranging from 34% of total lipids in CII to 60% in CIII–CV. Triacylglycerols increased from 8% of total lipids in CII to 23% in AF. In the earlier stages, 16:1n7 and 16:0 FAs and FAlcs were the major components of the neutral lipids, whereas the later stages were mainly characterized by the long-chained FAs and FAlcs 20:1n9 and 22:1n11. C. glacialis utilizes the short spring bloom to build up lipid reserves, mainly as wax esters, and it also incorporates effectively essential polyunsaturated FAs such as 20:5n3 and 22:6n3 in its polar lipids.


Total Lipid Adult Female Polar Lipid Lipid Class Spring Bloom 
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Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  • Anette Wold
    • 1
    Email author
  • Eva Leu
    • 2
  • Wojciech Walkusz
    • 3
  • Stig Falk-Petersen
    • 1
  1. 1.Norwegian Polar InstituteTromsøNorway
  2. 2.University of Oslo, Biological InstituteOsloNorway
  3. 3.Institute of Oceanology Polish Academy of SciencesSopotPoland

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