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Keywords: sea turtleClose
J Exp Biol (2012) 215 (20): 3535–3538.
Published: 15 October 2012
...Courtney S. Endres; Kenneth J. Lohmann SUMMARY During their long-distance migrations, sea turtles of several species feed on jellyfish and other invertebrates that are particularly abundant in ocean regions characterized by high productivity. An ability to distinguish productive oceanic regions...
J Exp Biol (2011) 214 (15): 2504–2508.
Published: 1 August 2011
...Matthew J. Fuxjager; Brian S. Eastwood; Kenneth J. Lohmann SUMMARY Young loggerhead sea turtles ( Caretta caretta ) from the east coast of Florida, USA, undertake a transoceanic migration around the North Atlantic Gyre, the circular current system that flows around the Sargasso Sea. Previous...
J Exp Biol (2009) 212 (1): 50–55.
Published: 1 January 2009
... h of entering the water, and declined more slowly between 2 and 12 h before decreasing to a sustainable level after 12 h of swimming. e-mail: firstname.lastname@example.org 24 10 2008 2009 aerobic metabolism swimming sea turtle performance oxygen consumption The first few...
J Exp Biol (2008) 211 (11): 1719–1728.
Published: 1 June 2008
... with terrestrial navigation and summarize the advantages and constraints of different approaches used to analyze animal navigation in the sea. In addition, we highlight studies and techniques that have begun to unravel the sensory cues that underlie navigation in sea turtles, salmon and other ocean migrants...
J Exp Biol (2007) 210 (21): 3697–3705.
Published: 1 November 2007
... information has been demonstrated in several diverse animals including sea turtles, spiny lobsters, newts and birds, suggesting that such systems are phylogenetically widespread and can function over a wide range of spatial scales. These `magnetic maps' have not yet been fully characterized. They may...
J Exp Biol (2004) 207 (11): 1771–1778.
Published: 1 May 2004
.... * Author for correspondence (e-mail: email@example.com ) 17 2 2004 © The Company of Biologists Limited 2004 2004 sea turtle orientation navigation migration map loggerhead green turtle Caretta caretta Chelonia mydas After a period of years spent in the pelagic...
J Exp Biol (2003) 206 (23): 4317–4325.
Published: 1 December 2003
...Larisa Avens; Kenneth J. Lohmann SUMMARY Although the orientation cues used by hatchling sea turtles have been studied extensively, little is known about the mechanisms of orientation and navigation that guide older turtles. To investigate the orientation cues used by juvenile loggerheads Caretta...
J Exp Biol (2003) 206 (3): 497–501.
Published: 1 February 2003
...William P. Irwin; Kenneth J. Lohmann SUMMARY Laboratory experiments have indicated that hatchling loggerhead sea turtles( Caretta caretta ) are able to establish and maintain courses using information from the Earth's magnetic field. In previous experiments, turtles were tested in relatively...
Amanda L. Southwood, Russel D. Andrews, Molly E. Lutcavage, Frank V. Paladino, Nigel H. West, Robert H. George, David R. Jones
J Exp Biol (1999) 202 (9): 1115–1125.
Published: 1 May 1999
...Amanda L. Southwood; Russel D. Andrews; Molly E. Lutcavage; Frank V. Paladino; Nigel H. West; Robert H. George; David R. Jones ABSTRACT Heart rates and diving behavior of leatherback sea turtles ( Dermochelys coriacea ) were monitored at sea during the internesting interval. Instruments...
J Exp Biol (1996) 199 (1): 73–81.
Published: 1 January 1996
...Kenneth J. Lohmann; Catherine M. F. Lohmann ABSTRACT Loggerhead sea turtle hatchlings ( Caretta caretta L.) emerge from underground nests, scramble to the sea and begin a transoceanic migration by swimming away from their natal beach and into the open ocean. Evidence suggests that hatchlings...
J Exp Biol (1995) 198 (5): 1079–1085.
Published: 1 May 1995
...Kenneth J. Lohmann; Andrew W. Swartz; Catherine M. F. Lohmann ABSTRACT At the beginning of their offshore migration, hatchling sea turtles enter the ocean at night and establish a course away from land by swimming directly into oceanic waves. How turtles can detect wave direction while swimming...
J Exp Biol (1994) 194 (1): 23–32.
Published: 1 September 1994
... animal. We studied the magnetic orientation behavior of hatchling loggerhead sea turtles ( Caretta caretta L.) exposed to earth-strength magnetic fields of different inclinations. Hatchlings exposed to the natural field of their natal beach swam eastward, as they normally do during their offshore...
J Exp Biol (1994) 190 (1): 1–8.
Published: 1 May 1994
...Kenneth J. Lohmann; Catherine M. Fittinghoff Lohmann ABSTRACT During their natal migration, hatchling loggerhead sea turtles ( Caretta caretta L.) establish courses towards the open ocean and maintain them after swimming beyond sight of land. Laboratory experiments have demonstrated that swimming...
J Exp Biol (1993) 182 (1): 1–10.
Published: 1 September 1993
...Phillip Light; Michael Salmon; Kenneth J. Lohmann ABSTRACT Recent experiments have demonstrated that hatchling loggerhead sea turtles can orient using the earth’s magnetic field. To investigate the functional characteristics of the loggerhead magnetic compass, we tested the orientation...
J Exp Biol (1992) 171 (1): 1–13.
Published: 1 October 1992
... that underlie wave detection by sea turtle hatchlings are not known. Calculations indicate that, at the depth at which hatchlings swim, accelerations produced beneath typical waves and swells along the Florida coast are sufficient to be detected by the vertebrate inner ear. We therefore hypothesize...
J Exp Biol (1989) 144 (1): 155–169.
Published: 1 July 1989
...Peter L. Lutz; Ann Bergey; Michael Bergey ABSTRACT Oxygen consumption, lung ventilation, plasma ion concentrations and osmolality, venous blood acid-base status and gas tensions were measured in unrestrained loggerhead sea turtles in sea water at 10, 15, 20 and 30 °C at rest and during routine...
J Exp Biol (1987) 131 (1): 365–372.
Published: 1 September 1987
...M. E. Lutcavage; P. L. Lutz; H. Baier ABSTRACT Pulmonary CO diffusion capacity (DL CO ), lung volume (VL), oxygen uptake and pulmonary blood flow (Q̇L) were measured simultaneously in the loggerhead sea turtle Caretta caretta (Linnaeus) (8-11 kg) using a gas rebreathing technique (syringe pump...