Methods matter: considering locomotory mode and respirometry technique when estimating metabolic rates of fishes.

ABSTRACT: Respirometry is frequently used to estimate metabolic rates and examine organismal responses to environmental change. Although a range of methodologies exists, it remains unclear whether differences in chamber design and exercise (type and duration) produce comparable results within individuals and whether the most appropriate method differs across taxa. We used a repeated-measures design to compare estimates of maximal and standard metabolic rates (MMR and SMR) in four coral reef fish species using the following three methods: (i) prolonged swimming in a traditional swimming respirometer; (ii) short-duration exhaustive chase with air exposure followed by resting respirometry; and (iii) short-duration exhaustive swimming in a circular chamber. We chose species that are steady/prolonged swi

SUBMITTER: Rummer JL 

PROVIDER: S-EPMC4922262 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature