Article Figures & Tables
Figures
- Fig. 1.
Original record of 30 min readings of abdominal temperature from one springbok (female 1) over 13 months (August 1999 to September 2000). Note the apparent decrease in minimum body temperature in July–September (southern hemisphere late winter), the episode of fever in April, and the hyperthermia exceeding 43°C associated with ultimate capture of the animal.
- Fig. 2.
24 h mean of body temperature plotted against 24 h mean of air temperature (A), and 24 h amplitude of body temperature plotted against 24 h range of air temperature (B), for one springbok (female 1, 353 days data).
- Fig. 3.
Mean (± s.d.) air temperature and body temperature (N=8 animals) as a function of time of day for 1 month with high air temperatures (November) and 1 month with low air temperatures (June).
- Fig. 4.
Mean monthly body temperature for the eight springbok plotted against mean monthly photoperiod, with linear regression line (r=0.9, P<0.0001).
- Fig. 5.
Original record of 30 min readings of abdominal temperature from one springbok (female 3) over 17 days, illustrating a period of fever.
- Fig. 6.
Original record of 30 min readings of abdominal temperature from one springbok (male 2) on 2 days, illustrating hyperthermias likely to have been associated with exercise.
- Fig. 7.
Original record of 30 min readings of abdominal temperatures from three female springbok over 10 h, illustrating hyperthermia reaching 43°C during an unsuccessful capture attempt (chased by vehicle).
- Fig. 8.
Original record of 30 min readings of abdominal temperatures of five female springbok over 24 h, illustrating the hyperthermia likely to reflect labour and birth, in one animal (bold line) between 20:00 h and 24:00 h.
Tables
- Table 1.
Characteristics of the environment and of body temperatures of eight free-ranging springbok
Aug—Oct `Spring' Nov—Jan `Summer' Feb—Apr `Autumn' May—Jul `Winter' Environment Air temperature (°C) 15.8±3.7 20.2±2.2 17.6±2.8 10.0±2.1 Globe temperature (°C) 17.2±4.2 24.0±2.4 20.9±2.5 no data Wind speed (m s-1) 3.6±0.9 3.2±0.6 2.6±0.6 2.4±0.7 Rainfall (mm) 9±15 97±52 88±21 34±19 Time of sunrise (h) 06:11 05:24 06:15 06:55 Time of sunset (h) 18:08 18:58 18:29 17:36 Photoperiod (h) 11:57 13:34 12:14 10:41 Body temperature (°C) Mean 39.43±0.15 39.50±0.12 39.39±0.14 39.22±0.07 Minimum 38.85±0.21 38.97±0.12 38.87±0.11 38.61±0.10 Maximum 40.02±0.20 40.10±0.15 39.97±0.21 39.85±0.18 Amplitude 1.17±0.25 1.13±0.14 1.11±0.18 1.24±0.21 Time of minimum (h) 06:44±0:31 06:12±0:39 06:40±0:52 07:26±0:32 Time of maximum (h) 18:41±1:02 17:53±0:55 18:08±0:40 19:04±0:39 -
For air temperature, globe temperature and wind speed, values are means± S.D. of 24 h averages. Rainfall is mean ± S.D. of monthly averages; time of sunrise, sunset and photoperiod are means of monthly averages. Body temperature indices were determined for each day, and then averaged over about 90 days for each animal; thereafter mean ± S.D. was calculated for the eight animals.
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