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Figure 2


Fig. 2. Citrate synthase (CS) activity (µmol min–1 g–1 lean muscle mass) in pectoral muscle of refueling semipalmated sandpipers vs %20:5 (A,C) and %22:6 (B,D) in fuel reserves (total body neutral lipids, NL; A,B) and muscle phospholipids (PL; C,D). 20:5 is eicosapentaenoic acid and 22:6 is docosahexaenoic acid. Lines were fitted by linear regression (%20:5 NL: y=435.32+12.42x; %22:6 PL: y=455.30+8.90x). N=38. *P<0.05; **P<0.01; NS, not significant.