... green turtles ( Chelonia mydas ) by measuring the δ 2 H values of tissues (epidermis and blood components) and dietary macromolecules collected in two controlled feeding experiments. Tissue δ 2 H and Δ 2 H Net values varied systematically among tissues, with epidermis having higher δ 2 H and Δ 2 H Net...

... energy, thus decreasing the likelihood of survival. In this study hatchlings were run on a treadmill for 200 or 500 m to investigate the physiological impacts of disorientation crawling in loggerhead ( Caretta caretta ) and green ( Chelonia mydas ) sea turtle hatchlings. Oxygen consumption, lactate...

.... * Author for correspondence (e-mail: larisa.avens@noaa.gov ) 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...

... conditions. Five juvenile green turtles ( Chelonia mydas L.) were transported from the Cayman Island Turtle Farm (Grand Cayman, British West Indies) to the Zoology Animal Care Facility at the University of British Columbia (Vancouver,Canada). The turtles were kept in a 10 m×2 m×1.5 m oval...

...G. C. Hays; S. Åkesson; A. C. Broderick; F. Glen; B. J. Godley; P. Luschi; C. Martin; J. D. Metcalfe; F. Papi SUMMARY Satellite telemetry was used to record the submergence duration of green turtles ( Chelonia mydas ) as they migrated from Ascension Island to Brazil ( N =12 individuals) while time...

...F. Papi; P. Luschi; S. Åkesson; S. Capogrossi; G. C. Hays ABSTRACT Green turtles ( Chelonia mydas ) that shuttle between their Brazilian feeding grounds and nesting beaches at Ascension Island in the middle of the Atlantic Ocean are a paradigmatic case of long-distance oceanic migrants. It has been...

... of these features, these findings raise the possibility that adult sea turtles navigate using a bicoordinate magnetic map. ©The Company of Biologists Limited 1996 orientation navigation waves magnetic magnetoreception sea turtle Caretta caretta Chelonia mydas The long-distance...

... water. To determine whether loggerhead ( Caretta caretta L.) and green turtle ( Chelonia mydas L.) hatchlings can detect wave direction in this way, we constructed a wave motion simulator to reproduce in air the circular movements that occur beneath small ocean waves. Hatchlings suspended in air...

... Chelonia mydas blood hemoglobin oxygen affinity viscosity development Lutz and Bentley (1985) questioned whether higher hematocrit in diving turtles would confer an advantage because of the predicted increase in viscosity, and we now confirm that viscosity, and hence effective oxygen...

...Kenneth J. Lohmann; Catherine M. Fittinghoff Lohmann ABSTRACT Minutes after emerging from underground nests, hatchling green turtles (Chelonia mydas L.) enter the sea and begin a migration towards the open ocean. To test the hypothesis that migrating hatchlings use wave cues to maintain...