JPR Advance Access originally published online on February 26, 2004
Journal of Plankton Research 2004 26(5):579-583; doi:10.1093/plankt/fbh049
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Journal of Plankton Research Vol. 26 No. 5 © Oxford University Press 2004; all rights reserved
SHORT COMMUNICATION |
Effects of temperature, salinity and sex on the basal metabolic rate of the estuarine copepod Pseudodiaptomus hessei
Departamento de Biología de Organismos Y Sistemas (Area Zoología), Universidad de Oviedo, C/Catedrático Rodrigo Uría, S/N, 33071 Oviedo, Spain and 1 School of Life & Environmental Sciences, G. Campbell Building, University of Kwazulu-Natal, Durban 4041, South Africa
* Corresponding Author: jisla{at}correo.uniovi.es
Respiratory responses of Pseudodiaptomus hessei measured under different conditions show an exponential increase in metabolic rate with temperature, but no changes with salinity. All metabolic demands of this species are met through consumption of microalgae during the closed (winter) phase, but not during the open (summer) phase of the estuary.