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Arctic Life of Birds and Mammals - Including Man (Paperback, Softcover reprint of the original 1st ed. 1972)
Loot Price: R2,940
Discovery Miles 29 400
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Arctic Life of Birds and Mammals - Including Man (Paperback, Softcover reprint of the original 1st ed. 1972)
Series: Zoophysiology, 2
Expected to ship within 10 - 15 working days
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After travel through Alaska during the Second World War, in 1947 I
went to Barrow with a very lively group of biologists. From their
productive research developed the Arctic Research Laboratory. While
we examined the rather surpris ingly modest metabolic rates of
arctic warmblooded animals in cold, PER SCHO LANDER proposed and
then carried out measurements of metabolism of some tropi cal
animals in Panama. The differences could be formulated to show the
basis of adaptation to arctic cold and to tropical warmth.
Imagination and logic were required to formulate the comparison so
that it could become a part of science, but the essential
measurements were derived from animals and plants in their own
arctic and tropical environments. Characteristics that adapt the
forms of life to climatic conditions of various environments appear
clear in the large dimensions of extremely differing climates. At
the time of my arrival in Alaska many of the arctic Eskimos were
still largely dependent on natural resources of their immediate and
local environment, in which great seasonal changes in temperature
and solar radiation appeared as dominant factors. The living
environment on which they subsisted was also mar kedly affected by
the changes of the seasons, in particular by the change in state of
water to ice that terminated summer and by the melting that brought
the late transition from winter to summer."
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