Russian Journal of Ecology, Vol. 33, No. 1, 2002, pp. 68–71. Translated from Ekologiya, No. 1, 2002, pp. 73–76. Original Russian Text Copyright © 2002 by Anufriev. SHORT COMMUNICATIONS Body Weight Dynamics in Hibernating Ground Squirrels (Citellus undulatus jacutensis Brandt, 1848) A. I. Anufriev Institute of the Biological Problems of the Cryolithic Zone, Siberian Division, Russian Academy of Sciences, pr. Lenina 41, Yakutsk, 677891 Russia Received September 12, 2000 Key words: ground squirrels, hibernation, body weight. The most widespread method for estimating the in well-aerated individual plastic boxes 1 l in volume energy expenses of animals during hibernation involves (weight 150–180 g) and were periodically weighed to observations on the decrease in body weight with the an accuracy of 0.01 g (2 to 20 times a day) using an subsequent recount of the energy cost of energy losses electronic balance for 15–30 days. These experiments (Kuznetsov, 1976). It is known that fat is the main were performed in the second half of the hibernation source of energy in animals during hibernation. There period. No disturbances of hibernation in the course of is a high positive correlation between body weight and weighing were observed. Ambient temperature at fat content (Morton
Russian Journal of Ecology – Springer Journals
Published: Oct 13, 2004
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