1 42 nd Lecture Wed 29 April 2009 Vertebrate Physiology ECOL 437 (MCB/VetSci 437) Univ. of Arizona, spring 2009 Kevin Bonine & Kevin Oh Hibernation (Physiology and the Environment) Chapter 10 Scheduling... 2 Thermal Physiology con’t
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1
42nd LectureWed 29 April 2009
Vertebrate PhysiologyECOL 437 (MCB/VetSci 437)Univ. of Arizona, spring 2009
Kevin Bonine & Kevin Oh
Hibernation(Physiology and the Environment)Chapter 10
Scheduling...
2
Thermal Physiologycon’t
Body Size Influences
1. Physiological Abilities2. Behavioral Choices
How and Why?
4
6
Bear Hypothermy (~5°C below ‘normal’)
Seasonal Changes in Morphology & Physiology
Reindeer
13
16
Arctic Ground Squirrel
SuperCooling
Arctic Ground Squirrel
Permafrost&Arctic Ground Squirrel
Arctic Ground Squirrel
Recall TNZ
Energy Savings from Hibernation
MUFAsPUFAs&SFAs
Role of Diet in Hibernation
Group Think?
END
Shortening Lifespan in the U.S.
Miller, 2003 (see figure 11-12 in Miller 2005)
Sivaji
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