Table 4.

Parameters (mean ±s.d.) related to metabolic heat production resulting from hypothalamic thermal manipulations in ground squirrels

	GMGS		CGS
	21% O2	7% O2	21% O2	12% O2	10% O2	7% O2
α(W kg−1°C−1)	−4.41 ± 1.14	−0.506 ± 0.110‡	−2.00 ± 0.50	−0.879 ± 0.31‡	−0.594 ± 0.204‡	−0.367 ± 0.182‡
Tth(°C)	37.9 ± 0.6	28.4 ± 0.8‡	38.1 ± 0.2	36.3 ± 0.5‡	34.9 ± 0.5‡	31.3 ± 0.3‡
	−0.080 ± 0.56	−2.38 ± 0.893‡	0.070 ± 0.38	−0.38 ± 0.52	−0.50 ± 0.71†	−0.78 ± 0.68‡

^†Significantly different from normoxic values (P < 0.01).

^‡Significantly different from normoxic values (P < 0.001).