The effect of egg versus seston quality on hatching success, naupliar metabolism and survival of Calanus finmarchicus in mesocosms dominated by Phaeocystis and diatoms

Marja Koski, L. Yebra, Jörg Dutz, Sigrun Jonasdottir, C. Vidoudez, H.H. Jakobsen, G. Pohnert, J. Nejstgaard

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

We studied the effect of a developing Skeletonema marinoi/Phaeocystis spp. bloom on Calanus finmarchicus hatching success, early naupliar survival and metabolism. Our focus was (1) on the development of reproductive rates during a bloom initiation, peak and decline in relation to the production of potentially toxic algal metabolites and (2) on the proportional importance of female nutrition versus naupliar food environment for the production of viable nauplii. Despite polyunsaturated aldehyde (PUA) production by both S. marinoi and Phaeocystis sp., we did not observe any harmful effects on hatching success or naupliar survival and condition in any stages of the short-term (
Original languageEnglish
JournalMarine Biology
Volume159
Issue number3
Pages (from-to)643-660
ISSN0025-3162
DOIs
Publication statusPublished - 2012

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