A new method for the determination of at-sea activity in sea turtles

Hochscheid, Sandra and Wilson, Rory P. (1999) A new method for the determination of at-sea activity in sea turtles Marine Ecology Progress Series, 185 . pp. 293-296. DOI 10.3354/meps185293.

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Interpretation of diving profiles of aquatic animals would be considerably enhanced by additional behavioural information. A new sensor is presented here which records animal movements. This sensor was tested on a captive loggerhead turtle Caretta caretta which showed similar activity patterns to free-living green turtles Chelonia mydas. A computer program with user-selectable options was developed to analyse the data consistently and rapidly. Using our sensor we calculated the total resting time, which differed by less than 5% from the real resting time when the sampling interval was 2 s. The method was additionally tested for different sampling intervals to find out its applicability for field studies.

Document Type: Article
Keywords: Activity sensor; Sea turtles; At-sea activity; Dive profiles; 3-D compass
Research affiliation: OceanRep > Institute for Marine Science Kiel
Refereed: Yes
DOI etc.: 10.3354/meps185293
ISSN: 0171-8630
Date Deposited: 18 Feb 2008 17:24
Last Modified: 08 May 2018 12:34
URI: http://eprints.uni-kiel.de/id/eprint/7829

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