Ontogeny and ecological significance of metabolic rates in sea turtle hatchlings

Table 7 Summary of the methodology used to test each species’ oxygen consumption

	Population	Egg incubation	Closed respirometry (2017/18)		Closed respirometry (2010)	Open flow respirometry (1996, 1999, 2000 & 2001)
			RMR	MMR	AMR	RMR	CMR	AMR
Respirometer volume/dimensions			375 mL	1000 mL	35 × 35 cm (plexiglass) or 50.8 × 25.4 (glass)	470 mL	25 × 20 cm (glass). Filled with seawater for AMR testing & empty for CMR testing
Test duration			20 min	15 min	Green: 20 ± 4 min Leatherback: 55 ± 7 min Loggerhead: 27 ± 4 min	90 min	40 min	90 min
Oxygen analyser			PASCO PS-2126A		Applied Electrochemistry O2 Analyser S-3A
Flatback (Natator depressus)	Australia	Incubators- 29.43 ± 0.11ºC	Frenzy & Post-frenzy	Frenzy & Post-frenzy
Green (Chelonia mydas)	Malaysia	Hatchery- 29.45 ± 0.54 ºC	Frenzy	Frenzy
	USA	In situ- temperature not recorded			Frenzy	Frenzy & Post-frenzy	Frenzy	Frenzy & Post-frenzy
Olive Ridley (Lepidochelys olivacea)	Australia	Incubators- 29.30 ± 0.03 ºC	Frenzy & Post-frenzy	Frenzy & Post-frenzy
Leatherback (Dermochelys coriacea)	USA	In situ- temperature not recorded			Post-frenzy	Frenzy & Post-frenzy	Frenzy	Frenzy & Post-frenzy
Loggerhead (Caretta caretta)	USA	In situ- temperature not recorded			Post-frenzy	Frenzy & Post-frenzy		Frenzy & Post-frenzy

We list the activity level and behavioural stage that was measured for each species and technique

ISSN: 1742-9994