Journal article
Correlations of metabolic rate and body acceleration in three species of coastal sharks under contrasting temperature regimes
The Journal of Experimental Biology, Vol.220(3), pp.397-407
2016
Abstract
The ability to produce estimates of the metabolic rate of free-ranging animals is fundamental to the study of their ecology. However, measuring the energy expenditure of animals in the field has proved difficult, especially for aquatic taxa. Accelerometry presents a means of translating metabolic rates measured in the laboratory to individuals studied in the field, pending appropriate laboratory calibrations. Such calibrations have only been performed on a few fish species to date, and only one where the effects of temperature were accounted for. Here, we present calibrations between activity, measured as overall dynamic body acceleration (ODBA), and metabolic rate, measured through respirometry, for nurse sharks (Ginglymostoma cirratum), lemon sharks (Negaprion brevirostris) and blacktip sharks (Carcharhinus limbatus). Calibrations were made at a range of volitional swimming speeds and experimental temperatures. Linear mixed models were used to determine a predictive equation for metabolic rate based on measured ODBA values, with the optimal model using ODBA in combination with activity state and temperature to predict metabolic rate in lemon and nurse sharks, and ODBA and temperature to predict metabolic rate in blacktip sharks. This study lays the groundwork for calculating the metabolic rate of these species in the wild using acceleration data.
Details
- Title
- Correlations of metabolic rate and body acceleration in three species of coastal sharks under contrasting temperature regimes
- Authors/Creators
- K.O. Lear (Author/Creator) - Mote Marine LaboratoryN.M. Whitney (Author/Creator) - Mote Marine LaboratoryL.R. Brewster (Author/Creator) - University of HullJ.J. Morris (Author/Creator) - Mote Marine LaboratoryR.E. Hueter (Author/Creator) - Mote Marine LaboratoryA.C. Gleiss (Author/Creator) - Murdoch University
- Publication Details
- The Journal of Experimental Biology, Vol.220(3), pp.397-407
- Publisher
- Company of Biologists
- Identifiers
- 991005545256007891
- Copyright
- © 2017 The Company of Biologists Ltd
- Murdoch Affiliation
- Centre for Fish and Fisheries Research
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- International collaboration
- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.2 Marine Biology
- 3.2.92 Fisheries Ecology
- Web Of Science research areas
- Biology
- Zoology
- ESI research areas
- Biology & Biochemistry