Ecological aspects of thermoregulation at high altitudes: the case of andean Liolaemus lizards in northern Chile

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dc.contributor.authorMarquet, P. A. (Pablo A.)
dc.contributor.authorOrtíz, J. C.
dc.contributor.authorBozinovic Kuscevic, Francisco
dc.contributor.authorJaksic Andrade, Fabián
dc.date.accessioned2019-12-28T02:45:18Z
dc.date.available2019-12-28T02:45:18Z
dc.date.issued1989
dc.description.abstractWe document activity field temperatures, daily activity patterns, and extent of thermoregulation in four species of Liolaemus lizards inhabiting at high altitude (above 3500 m) in the Andes of northern Chile. These four species have similar activity field temperature (Tb near 29 C) despite their being distributed at different altitudinal belts. However, conspicuous differences exist between higher-altitude (L. alticolor and L. jamesi) and lower-altitude (L. islugensis and L. ornatus) lizards regarding extent of thermoregulation and activity period. Some differences in morphology, behavior, and patterns of microhabitat occupancy are also apparent among these four species and are seemingly related to the thermal environment to which they are subjected. In comparison to eight low-altitude Liolaemus species in central Chile (Tb near 35 C) the four high-altitude species in northern Chile have lower activity field temperature. The latter is apparently due to the constraints imposed by the harsh Andean thermal environment, a hypothesis supported by the fact that high-altitude Liolaemus lizards under laboratory conditions demonstrate body temperatures that exceed by 5 C or more, those recorded in the field.
dc.format.extent4
dc.fuente.origenSpringer
dc.identifier.doi10.1007/BF00377003
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/27090
dc.identifier.urihttp://link.springer.com/article/10.1007/BF00377003
dc.issue.numeroNo. 1
dc.pagina.final20
dc.pagina.inicio16
dc.revistaOecologiaes_ES
dc.rightsacceso restringido
dc.subjectAndeses_ES
dc.subjectLiolaemuses_ES
dc.subjectThermal environmentes_ES
dc.subjectActivity temperaturees_ES
dc.subjectThermoregulationes_ES
dc.subject.ddc570
dc.subject.deweyBiologíaes_ES
dc.titleEcological aspects of thermoregulation at high altitudes: the case of andean Liolaemus lizards in northern Chilees_ES
dc.typeartículo
dc.volumenVol. 81
sipa.codpersvinculados100345
sipa.codpersvinculados100031
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