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Unformatted text preview: Name:_____________________ Section:_______________ Assignment #2Life Tables The life table below has been adapted from: Bronson, M. 1979. Altitudinal variation in the life history of the Golden-Mantled Ground Squirrel ( Spermophilus lateralis ). Ecology 60 (2): 272-279. The golden-mantled ground squirrel is a small rodent found in mountainous forests of the western United States and Canada. Adults can be a foot from head to tail and resemble giant chipmunks. The name Spermophilus means seed- loving, and these squirrels spend summer and fall consuming and storing seeds to prepare for winter. They are known for putting on extreme amounts of weight prior to hibernation, especially in their cheeks (Fraley, J. 2006 Montana Outdoors Magazine ). In this study, Bronson trapped squirrels from populations at several elevations to test the effect of a shortened snow-free season on fecundity. He examined the size of the elevations to test the effect of a shortened snow-free season on fecundity....
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- Fall '08