In situ grazing activity of planktonic copepods in the Gironde Estuary

X. Irigoien, J. Castel, B. Sautour

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

Gut contents of Acartia bifilosa and Eurystemora affinis, temperature, salinity, chlorophyll pigments and suspended particulate matter concentration (SPM), were measured during tidal cycles, in different seasons, in this highly turbid estuary. Phytoplankton ingestion, estimated between 165-569 ng C. cop-1.d-1 for E. affinis and 133-545 ng C.cop-1.d-1 for A. bifilosa did not seem sufficient to sustain copepod metabolism. An exception was found for A. bifilosa during a phytoplankton bloom period, with a daily ingestion from 1256-1654 ng C. cop-1.d-1. -from Authors

Original languageEnglish (US)
Pages (from-to)225-237
Number of pages13
JournalCahiers de Biologie Marine
Volume34
Issue number2
StatePublished - 1993
Externally publishedYes

ASJC Scopus subject areas

  • Aquatic Science

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