Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/6879
Title: Potential respiration is a better respiratory predictor than biomass in young Artemia salina
Authors: Martínez, I. 
Gomez, M. 
Packard, T. T. 
UNESCO Clasification: 251001 Oceanografía biológica
Keywords: Artemia salina
ETS activity
Biomass
Potential respirationa
Respiration
Issue Date: 2010
Journal: Journal of Experimental Marine Biology and Ecology 
Abstract: These experiments test whether respiration can be predicted better from biomass or from potential respiration, a measurement of the mitochondrial and microsomal respiratory electron transport systems. For nearly a century Kleiber's law or a similar precursor have argued the importance of biomass in predicting respiration. In the last decade, a version of the Metabolic Theory of Ecology has elaborated on Kleiber's Law adding emphasis to the importance of biomass in predicting respiration. We argue that Kleiber's law works because biomass packages mitochondria and microsomal electron transport complexes. On a scale of five orders of magnitude we have shown previously that potential respiration predicts respiration aswell as biomass inmarine zooplankton. Here, using cultures of the branchiopod, Artemia salina and on a scale of less than 2 orders of magnitude,we investigated the power of biomass and potential respiration in predicting respiration.We measured biomass, respiration and potential respiration in Artemia grown in different ways and found that potential respiration (Ф) could predict respiration (R), both in μlO2h−1 (R=0.924Φ+0.062, r2=0.976), but biomass (as mg dry mass) could not (R=27.02DM+8.857, r2=0.128). Furthermore the R/Ф ratio appeared independent of age and differences in the food source.
URI: http://hdl.handle.net/10553/6879
ISSN: 0022-0981
DOI: 10.1016/j.jembe.2010.05.011
Source: Journal of Experimental Marine Biology and Ecology [ISSN 0022-0981], v. 390, p. 78-83
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