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Fig. 2. (A) Oxygen consumption rate
(
O2), (B) carbon
dioxide production rate
(
CO2) and (C)
respiratory exchange ratio (RE) in trained and untrained turtles swum from 0
to 2 h during recovery from anoxic submergence. Values are mean ±
S.E.M. (N=69). Differing
letters indicate significant differences between time points within a
treatment. Differing numbers indicate significant differences between
treatments at a specific time point (two-way RM-MANOVA, Student's
t-tests, P<0.05). PR, passive recovery; AR, active
recovery; U, untrained; T, trained.