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Hydrobiological Journal
Secretaria Ejecutiva Consejo Editorial: L.I. Kalinina (open in a new tab)

Publicado 6 números por año

ISSN Imprimir: 0018-8166

ISSN En Línea: 1943-5991

SJR: 0.221 SNIP: 0.469 CiteScore™:: 0.9 H-Index: 12

Indexed in

The Comparative Characteristic of Lipid Composition and Motor Activity of the Calanus euxinus (Copepoda) Ecogroup during Diapause

Volumen 35, Edición 5, 1999, pp. 115-127
DOI: 10.1615/HydrobJ.v35.i5.140
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SINOPSIS

Motor activity, content and composition of total lipids, phospholipids, fatty acids of triacylglycerides, waxes, and phospholipids of diapausing groups of Calanus euxinus V-copepodites from the Black Sea redox-zone have been investigated.
It has been shown that diapausing V-copepodites had 1.5 times lower activity and 2−2.5 times higher fatness as compared with V-copepodites and adult Calanus which daily migrated from the depth to the surface. The lipid increasing in diapausing V-copepodites was at the expense of reserved lipids, mainly waxes, and to a lesser extent at the expense of structural lipids, phospholipids, and sterols. Alteration in qualitative content of phospholipids, increase of concentration of the plasmalogen form of phosphatidylcholine, phosphatidylserine, phosphatidylinositol and docosahexaenic acid (22:63) are determined by life conditions in the zone of low oxygen concentration.
The role of endogenous and exogenous factors in forming Calanus ecogroups in the Black Sea is discussed.

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