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Accelerometry estimates field metabolic rate in giant Australian cuttlefish Sepia apama during breeding


Payne, NL and Gillanders, BM and Seymour, RS and Webber, DM and Snelling, EP and Semmens, JM, Accelerometry estimates field metabolic rate in giant Australian cuttlefish Sepia apama during breeding, Journal of Animal Ecology, 80, (2) pp. 422-430. ISSN 0021-8790 (2011) [Refereed Article]

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DOI: doi:10.1111/j.1365-2656.2010.01758.x


1. Estimating the metabolic rate of animals in nature is central to understanding the physiological, behavioural and evolutionary ecology of animals. Doubly labelled water and heart-rate methods are the most commonly used approaches, but both have limitations that preclude their application to some systems. 2. Accelerometry has emerged as a powerful tool for estimating energy expenditure in a range of animals, but is yet to be used to estimate field metabolic rate in aquatic taxa. We combined two-dimensional accelerometry and swim-tunnel respirometry to estimate patterns of energy expenditure in giant Australian cuttlefish Sepia apama during breeding. 3. Both oxygen consumption rate (V_ o2) and swimming speed showed strong positive associations with body acceleration, with coefficients of determination comparable to those using similar accelerometers on terrestrial vertebrates. Despite increased activity during the day, field metabolic rate rarely approached V_ o2, and night-time V_ o2 was similar to that at rest. 4. These results are consistent with the life-history strategy of this species, which has a poor capacity to exercise anaerobically, and a mating strategy that is visually based. With the logistical difficulties associated with observation in aquatic environments, accelerometry is likely to prove a valuable tool for estimating energy expenditure in aquatic animals.

Item Details

Item Type:Refereed Article
Keywords:acoustic telemetry, Cephalopoda, diel rhythm, dynamic body acceleration, energetics,mating display, protein catabolism, semelparity
Research Division:Agricultural, Veterinary and Food Sciences
Research Group:Fisheries sciences
Research Field:Fisheries sciences not elsewhere classified
Objective Division:Environmental Management
Objective Group:Coastal and estuarine systems and management
Objective Field:Coastal or estuarine biodiversity
UTAS Author:Semmens, JM (Professor Jayson Semmens)
ID Code:72035
Year Published:2011
Web of Science® Times Cited:69
Deposited By:Sustainable Marine Research Collaboration
Deposited On:2011-08-18
Last Modified:2017-10-31
Downloads:1 View Download Statistics

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