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Fig. 5. Hemoglobin concentrations of tadpole shrimp reared under normoxic
(1921 kPa O2) (open bars) conditions and then switched as
adults to severe hypoxic (13 kPa O2) conditions for 5, 7 or
10 days. Black bars indicate animals reared under severe hypoxic conditions
and switched as adults to normoxic conditions for 5, 7 or 10 days. Day 0 is
prior to switch. Values are means ± s.e.m. (N
7).
Significance is assumed at the level of P<0.05:
asignificant difference from normoxic animals at the same day;
bsignificant difference within rearing groups from the values at
day 0.