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Figures
- Fig. 1.
Mean daily air temperatures (°C) to which the experimental animals were exposed and the six different treatments and dates of these experiments.
- Fig. 2.
Hematocrit (%) in deer mice from two different altitudes and either warm (open columns) or cold (filled columns) temperatures. Within a single column color, letters that are different from each other indicate statistically significant differences. Values are means +1 s.e.m. (N as in text). Note that these data are for the 1999 season only.
- Fig. 3.
Energy intake (kJday−1) and organ masses of deer mice from two different altitudes and either warm (open columns) or cold (filled columns) temperatures. Within a single column color, letters that are different from each other indicate differences if they are statistically significant with respect to altitude. Asterisks indicate statistical differences between temperatures. Values are means +1 s.e.m. (N as in text). Note that the data on organ mass are for the intact (with blood) mice only.
- Fig. 4.
14-day mean ambient temperature (T) versus energy intake (residuals) (I) after the effects of body mass had been removed for deer mice at either 3800m (open circles) or 370m (filled triangles). The equation for the regression line for the entire data set was I=−2.95T+43.2 (r2=0.57; P=0.0001).
- Fig. 5.
Histogram showing heart (A) and lung (B) dry masses of exsanguinated deer mice at two different altitudes and acclimated to either warm (open columns) or cold (filled columns) temperatures. Within a single column color, letters that are different from each other indicate statistically significant differences. Asterisks indicate statistically significant differences between temperatures. Values are means +1 s.e.m. (N as in text).
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