Tomasi, Thomas E. and Elsken-Lacy, Peta and Perry, Jean A. and Withers, Kerry (2004) Pesticide effects on body temperature of torpid/hibernating rodents (Peromyscus leucopus and Spermophilus tridecemlineatus). In: 12th International Hibernation Symposium, 25-31 July 2004, Alaska, USA.
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Environmental contaminants have been shown in the lab to alter thyroid hormone concentrations. Despite the role these hormones play in the physiological ecology of small mammals, no one has investigated the possible effects of thyroid-disrupting chemicals on mammalian thermal ecology and thermoregulatory ability. Because the energetic impact of such a disruption is likely to be most dramatic during times already energetically stressful, we investigated the effects of two common pesticides (atrazine and lindane) on the use of daily torpor in white-footed mice, and the use of hibernation in 13-lined ground squirrels. Fortunately, we found that these strategies for over-wintering success were not impaired.
|Item Type:||Conference or Workshop Item (Commonwealth Reporting Category E) (Paper)|
|Additional Information:||Deposited with permission of publisher.|
|Uncontrolled Keywords:||pesticides, hibernation, mammal ecology, torpor, rodents|
|Fields of Research (FOR2008):||06 Biological Sciences > 0606 Physiology > 060699 Physiology not elsewhere classified|
|Subjects:||270000 Biological Sciences > 270600 Physiology > 270699 Physiology not elsewhere classified|
|Socio-Economic Objective (SEO2008):||UNSPECIFIED|
|Deposited On:||11 Oct 2007 11:20|
|Last Modified:||10 Aug 2009 15:23|
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