Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/45815
Title: Testing zooplankton secondary production models against Daphnia magna growth
Authors: Gomez, May 
Martínez, Ico 
Mayo, Ismael
Morales, José Miguel
Santana, Angelo 
Packard, Ted T. 
UNESCO Clasification: 2510 Oceanografía
Keywords: Secondary production
Zooplankton
Models
Growth
Daphnia
Culture
Issue Date: 2012
Journal: ICES Journal of Marine Science 
Abstract: Modelling secondary production rates in the zooplankton is essential for population ecology studies, but assessing these rates is difficult and rarely done. Here, five secondary production models are tested by measuring Daphnia magna growth. To provide a range of growth rates, Daphnia were cultured under three different nutrition regimes (yeast, cornflour, and phytoplankton). Length and biomass were monitored daily in three simple time-course experiments to provide the growth rates, which ranged from 0.11 to 0.30 d–1 with secondary production rates of 350–643 µg dry mass d−1. Secondary production was predicted best by the freshwater crustacean-based model of Stockwell and Johannsson (1997). Marine copepod-based marine models were totally unsuitable.
URI: http://hdl.handle.net/10553/45815
ISSN: 1054-3139
DOI: 10.1093/icesjms/fsr193
Source: Ices Journal of Marine Science [ISSN 1054-3139], v. 69 (3), p. 421-428
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