ARCTIC The Biochemical Composition and Energy Content of Arctic Marine

• Main Authors: J. A. Percy, F. J. Fife
• Other Authors: The Pennsylvania State University CiteSeerX Archives
• Format: Text
• Language: English
• Subjects: Arctic; Baffin Island; Baffin; Zooplankton; Thysanoessa inermis
• Online Access: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.523.129; http://pubs.aina.ucalgary.ca/arctic/Arctic34-4-307.pdf

ABSTRACT. Protein, lipid, carbohydrate, water, ash and caloric energy contents during the open water season of 14 species of macrozooplankton and four epibenthic amphipods common to the inshore waters of southern Baffin Island are compared. The highest energy content occurred in euphausiids and hyperiid amphipods and the lowest in ctenophores and cnidarians. Lipid appeared to be an important energy reserve in most of the species examined, while carbohydrate concentrations were consistently low. In four dominant species (Merrensia ovum, Parathemisto libellula, Sagitta elegans and Thysanoessa inermis) there was evidence of a progressive increase in lipid and caloric energy content during the course of the summer. Similarities and differences in biochemical composition and energy content of zooplankton from the Arctic and other marine areas are briefly discussed. Key words: arctic zooplankton, marine, biochemical composition, calories, energy content RÉSUMÉ. Les teneurs en prottines, lipides, hydrates de carbone, eau et cendre, et le contenu en tnergie calorique de 14 espkce planctoniques et quatre amphipodes benthiques, qui se trouvent en abondance dans l’eau catiere au sud de l’île de Baffin, sont compartes. Les plus grandes quantitts d’tnergie se trouvent dans les euphausiactes et les amphipodes planctoniques (hyperiids), et les moindres dans