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Volume 43 - Number 2 - 2008
Artículo


Effect of condition index on allometric relationships of clearance rate in Mytilus galloprovincialis Lamarck, 1819

Ramón Filgueira1, Uxío Labarta1 and María José Fernández-Reiriz1

 

1Consejo Superior de Investigaciones Científicas (CSIC), Instituto de Investigaciones Marinas. C/Eduardo Cabello 6, 36208 Vigo, Spain

 

E-mail:  mjreiriz@iim.csic.es


The allometric relationships between clearance rate (CR) and length and CR and weight show considerable variability in the literature. Nonetheless, they have been used routinely as references to evaluate and criticize methodologies and experimental results. Two experiments were designed to test the incidence of the condition index on these allometric relationships in Mytilus galloprovincialis. The results reveal a significant effect of this index on the allometric relationship in which weight was the dependent variable, which limits the use of this allometry to the particular conditions of each experiment


Key words: Allometric scaling exponent, normalization constant, gill area, bivalve


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1Laboratorio de Zooplancton, Instituto de Ciencias del Mar y Limnología,Universidad Nacional Autónoma de México. A. P. 70-305, 04510 México, D. F. México
 
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