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May 2007 Meeting
6:00 PM - Social Hour Dinner – (Prices include tax and gratuity) Members/Guests – $22.00 For dinner reservations, please call subject="ACS Dinner Reservation"
ABSTRACT If you were flown from Wisconsin and dropped on the summit of Everest without bottled oxygen, you would lose consciousness within a few minutes and eventually die. But after several weeks of acclimatization at lower altitudes, some individuals can climb to the summit of Everest without supplemental oxygen. What changes occur in the body that allow you to survive these low oxygen levels? Some changes occur within seconds, others take weeks to complete. Using real examples from climbs of the world’s highest peaks, we will examine why carbon dioxide balance is a major factor in acclimatization, what controls changes in hemoglobin-oxygen relationships that occur at high altitude, and the incompatible need to both excrete and retain water. At an organismal level, we will consider the factors which control exercise performance at altitude. BIOGRAPHICAL SKETCH Mike Farris began his study of biology and his climbing career while a student at Miami University (Ohio). His research interests have ranged from population genetics, plant physiological ecology, evolutionary biology, and the interaction between human behavior and ecology. He is currently completing a book entitled The Altitude Experience: The Art and Science of Travel Up High. Over the past 20 years he has attempted high altitude peaks in Alaska, South America, Africa, Nepal, and Pakistan. He has climbed to 26,000 feet on Kangchenjunga and Broad Peak, and summited Gasherbrum II (26,360 ft) in 2006. Mike is Professor of Biology at Hamline University in St. Paul, Minnesota.
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| HTML by: John Picione - jpicione@uwm.edu - February 6 , 2007 | |||||