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Fig. 2. Free amino acid body contents in the hypogean aquatic crustacean
Niphargus rhenorhodanensis acclimated at 12°C (control), 3°C
and 2°C. Values are means ±
S.E.M.(N=68). Significant
differences between FAA means are expressed as: *significant difference
(P<0.05) between cold-acclimated and control groups;
significant difference (P<0.05) between groups acclimated
at 3°C and groups acclimated at 2°C.