Gut clearance rate as predictor of food limitation situations. Application to two estuarine copepods: Acartia bifilosa and Eurytemora affinis

Xabier Irigoien*, Jacques Castel, Stéphane Gasparini

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

Gut clearance rate-temperature relationships were determined in laboratory conditions, with food in excess, and in the fields to assess possible food limitation situations for 2 estuarine copepods, Eurytemora affinis and Acartia bifilosa. From the comparison of these relationships, it appeared that A. bifilosa was food limited whereas E. affinis was not. The gut clearance rate-temperature regressions obtained with nonsaturating food were not significantly different from the one obtained by Dam and Peterson (J exp mar Biol Ecol 123:1-14, 1988) for several copepod species. Consequently, we conclude that this regression can be employed as reference.

Original languageEnglish (US)
Pages (from-to)159-163
Number of pages5
JournalMarine Ecology Progress Series
Volume131
Issue number1-3
DOIs
StatePublished - Feb 8 1996

Keywords

  • Estuarine copepods
  • Food limitation
  • Gut clearance rate
  • Temperature
  • Turbidity zone

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Aquatic Science
  • Ecology

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