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Thermoregulation by the short-horned lizard (phrynosoma douglassi) at high elevation

Christian, Keith A. (1998). Thermoregulation by the short-horned lizard (phrynosoma douglassi) at high elevation. Journal of Thermal Biology,23(6):395-399.

Document type: Journal Article
Citation counts: Scopus Citation Count Cited 15 times in Scopus Article | Citations

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Title Thermoregulation by the short-horned lizard (phrynosoma douglassi) at high elevation
Author Christian, Keith A.
Journal Name Journal of Thermal Biology
Publication Date 1998
Volume Number 23
Issue Number 6
ISSN 0306 4565   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-0032428836
Start Page 395
End Page 399
Total Pages 5
Place of Publication Great Britain
Publisher Elsevier
HERDC Category C1 - Journal Article (DEST)
Abstract The short-horned lizard Phrynosoma douglassi was studied in a montane habitat (elevation of 2290m) in the Guadalupe Mountains of Texas. The body temperatures (Tb) of active lizards were consistently between 35-36oC (grand mean=35.5oC) in the period from 0900 to 1800h during the months of May through September. The lizards began their spring activity during April when environmental temperatures were still low. Although Tbs in April were significantly lower than during May through September, on sunny April days the lizards were able to maintain Tbs near 30oC even when air temperatures were as low as 1.5oC. P. douglassi at this site thermoregulated very effectively whenever they were not limited by the physical environment.
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Created: Fri, 12 Sep 2008, 08:35:25 CST by Administrator