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1.
Relationship of light intensity and photoperiod to circannual rhythmicity in the hibernating ground squirrel, Citellus lateralis.
Pengelley, E T; Asmundson, S J; Barnes, B; Aloia, R C.
Comp Biochem Physiol A Comp Physiol ; 53(3): 273-7, 1976.
Article in English | MEDLINE | ID: mdl-2435

Subject(s)
Hibernation , Periodicity , Rodentia/physiology , Sciuridae/physiology , Animals , Body Weight , Circadian Rhythm , Light , Seasons , Temperature , Time Factors
2.
Circannual rhythmicity in a non-hibernating ground squirrel, Citellus leucurus.
Pengelley, E T; Asmundson, S J; Aloia, R C; Barnes, B.
Comp Biochem Physiol A Comp Physiol ; 54(2): 233-7, 1976.
Article in English | MEDLINE | ID: mdl-4275

Subject(s)
Periodicity , Sciuridae/physiology , Animals , Body Weight , Drinking Behavior , Female , Male , Motor Activity , Pregnancy , Scrotum/physiology , Testis/physiology , Time Factors
3.
Annual biological clocks.
Pengelley, E T; Asmundson, S J.
Sci Am ; 224(4): 72-9, 1971 Apr.
Article in English | MEDLINE | ID: mdl-5545632

Subject(s)
Environment , Periodicity , Seasons , Animals , Artiodactyla , Biological Clocks , Birds , Hibernation , Humans , Sciuridae
4.
Homeostasis during hibernation in the golden-mantled ground squirrel, Citellus lateralis.
Pengelley, E T; Asmundson, S J; Uhlman, C.
Comp Biochem Physiol A Comp Physiol ; 38(3): 645-53, 1971 Mar 01.
Article in English | MEDLINE | ID: mdl-4396832

Subject(s)
Aorta , Catheterization , Electrolytes/blood , Nitrogen/blood , Sciuridae/physiology , Animals , Arousal , Calcium/blood , Calcium/urine , Hibernation , Homeostasis , Magnesium/blood , Magnesium/urine , Methods , Natriuresis , Periodicity , Potassium/blood , Potassium/urine , Sodium/blood , Time Factors , Urea/urine
5.
The effect of light on the free running circannual rhythm of the golden-mantled ground squirrel, Citellus lateralis.
Pengelley, E T; Asmundson, S J.
Comp Biochem Physiol ; 32(2): 155-60, 1970 Jan 15.
Article in English | MEDLINE | ID: mdl-5417450

Subject(s)
Biological Clocks/radiation effects , Light , Sciuridae/physiology , Animals , Body Temperature Regulation , Castration , Circadian Rhythm , Female , Hibernation , Male , Mortality , Ocular Physiological Phenomena , Periodicity , Pregnancy , Radiation Effects , Sciuridae/radiation effects , Seasons , Temperature , Time Factors
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