JEB -- Król et al. 208 (3): 571 Figure IG1

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Fig. 1. Effect of exposure to long day photoperiod (LD, 16 h:8 h L:D) on mean body mass (A) and food intake (B) of 12 male field voles measured between days –24 and 56 (day 0 is the day of exposure to LD). Data for 11 voles kept in short day photoperiod (SD, 8 h:16 h L:D) are also shown. Error bars indicate 1 S.D.