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Keywords: data logger
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Journal Articles
J Exp Biol (2017) 220 (4): 597–606.
Published: 15 February 2017
... buoyancy in lentic environments, but maintained buoyancy closer to neutral in lotic environments to optimise their locomotion. Swimming behaviour Gliding Buoyancy Physostome Data logger Accelerometry Some swimming animals exhibit undulating vertical movements, employing intermittent...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (20): 3607–3614.
Published: 15 October 2014
...Katsufumi Sato To investigate the thermal characteristics of large reptiles living in water, temperature data were continuously recorded from 16 free-ranging loggerhead turtles, Caretta caretta , during internesting periods using data loggers. Core body temperatures were 0.7–1.7°C higher than...
Journal Articles
J Exp Biol (2011) 214 (4): 629–636.
Published: 15 February 2011
... by translocating three seals and recording their heading direction continuously using GPS, and acceleration and geomagnetic data loggers while they returned to the colony. The seals first reached the coast and then proceeded to the colony by swimming along the coast. While underwater the animals exhibited...
Journal Articles
J Exp Biol (2011) 214 (3): 412–421.
Published: 1 February 2011
[email protected] ) 7 10 2010 © 2011. 2011 accelerometer blue-eyed shag data logger flight speed GPS tracking power curve Air and water have drastically different physical properties, and hence animals capable of moving in both media are expected to face evolutionary trade-offs...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2008) 211 (1): 58–65.
Published: 1 January 2008
... acceleration, along the long axis of the body, were used to calculate the pitch angle of the animal( Sato et al., 2003 ). Acceleration data loggers (M190L-D2GT; Little Leonardo Ltd, Tokyo, Japan)were used to obtain detailed information on foraging activity over a 24 h period (maximum 28.2 h because...
Journal Articles
J Exp Biol (2006) 209 (17): 3269–3280.
Published: 1 September 2006
...-density lipid and higher-density lean tissue) varies individually and seasonally,their buoyancy also fluctuates widely, and individuals would be expected to adjust their stroke patterns during dives accordingly. To test this prediction, we attached acceleration data loggers to four free-ranging Baikal...
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Journal Articles
J Exp Biol (2005) 208 (13): 2549–2554.
Published: 1 July 2005
... ice holes. Data loggers were deployed on the penguins to monitor under water behavior. Nine instrumented penguins performed 386 leaps from the holes during experiments. The maximum swim speeds within 1 s before the exits through the holes correlated significantly with the above-water height...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2004) 207 (23): 4057–4065.
Published: 1 November 2004
... foraging. However, empirical data indicate that the body angles of some diving animals are rarely vertical during descent and ascent. Why do they choose shallower body angles that result in longer descent and ascent durations? To investigate this question, we attached acceleration data loggers to eight...
Journal Articles
J Exp Biol (2002) 205 (9): 1189–1197.
Published: 1 May 2002
...Katsufumi Sato; Y. Naito; A. Kato; Y. Niizuma; Y. Watanuki; J. B. Charrassin; C.-A. Bost; Y. Handrich; Y. Le Maho SUMMARY Using a newly developed data logger to measure acceleration, we demonstrate that free-ranging king and Adélie penguins only beat their flippers substantially during the first...
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Journal Articles
J Exp Biol (2000) 203 (19): 2967–2975.
Published: 1 October 2000
..., Minabe, Wakayama Prefecture, Japan, during June and July 1995 and 1996 ( Fig. 1 ). We attached data loggers to nine female turtles after they had laid eggs and obtained the data from six individuals when they subsequently returned to the beach. We named these turtles 9501 (straight carapace length, SCL...
Journal Articles
J Exp Biol (2000) 203 (12): 1825–1833.
Published: 15 June 2000
... information. We studied behavioural thermoregulation of 31 free-ranging chum salmon Oncorhynchus keta using micro data loggers off the Sanriku coast from early October to December. The surface water temperature was approximately 20 °C in early October and decreased to approximately 12 °C in December...
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Journal Articles
J Exp Biol (1997) 200 (15): 2083–2095.
Published: 1 August 1997
... to make repetitive, long-duration dives. Seven juvenile northern elephant seals were captured at Año Nuevo, CA, instrumented and translocated to release sites around Monterey Bay. Heart rate and dive depth were recorded using custom-designed data loggers and analogue tape monitors during the seals’ return...