Daily and annual cycles in thermoregulatory behaviour and cardio-respiratory physiology of black and white tegu lizards
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| 024 | 7 | 0 | |a 10.1007/s00360-015-0928-2 |2 doi |
| 035 | |a (NATIONALLICENCE)springer-10.1007/s00360-015-0928-2 | ||
| 245 | 0 | 0 | |a Daily and annual cycles in thermoregulatory behaviour and cardio-respiratory physiology of black and white tegu lizards |h [Elektronische Daten] |c [Colin Sanders, Glenn Tattersall, Michelle Reichert, Denis Andrade, Augusto Abe, William Milsom] |
| 520 | 3 | |a This study was designed to determine the manner in which metabolism is suppressed during dormancy in black and white tegu lizards (Tupinambis merianae). To this end, heart rate (f H), respiration rate (f R), and deep body temperature (T b) were continuously monitored in outdoor enclosures by radio-telemetry for nine months. There was a continuous decline in nighttime breathing and heart rate, at constant T b, throughout the late summer and fall suggestive of an active metabolic suppression that developed progressively at night preceding the entrance into dormancy. During the day, however, the tegus still emerged to bask. In May, when the tegus made a behavioural commitment to dormancy, T b (day and night) fell to match burrow temperature, accompanied by a further reduction in f H and f R. Tegus, under the conditions of this study, did arouse periodically during dormancy. There was a complex interplay between changes in f H and T b associated with the direct effects of temperature and the indirect effects of thermoregulation, activity, and changes in metabolism. This interplay gave rise to a daily hysteresis in the f H/T b relationship reflective of the physiological changes associated with warming and cooling as preferred T b alternated between daytime and nighttime levels. The shape of the hysteresis curve varied with season along with changes in metabolic state and daytime and nighttime body temperature preferences. | |
| 540 | |a Springer-Verlag Berlin Heidelberg, 2015 | ||
| 690 | 7 | |a Reptiles |2 nationallicence | |
| 690 | 7 | |a Tegu lizards |2 nationallicence | |
| 690 | 7 | |a Torpor |2 nationallicence | |
| 690 | 7 | |a Dormancy |2 nationallicence | |
| 690 | 7 | |a Hibernation |2 nationallicence | |
| 690 | 7 | |a Cardiorespiratory control |2 nationallicence | |
| 690 | 7 | |a Seasonal adjustments |2 nationallicence | |
| 700 | 1 | |a Sanders |D Colin |u Department of Zoology, University of British Columbia, 6270 University Blvd., V6T 1Z4, Vancouver, BC, Canada |4 aut | |
| 700 | 1 | |a Tattersall |D Glenn |u Department of Biological Sciences, Brock University, St. Catharines, ON, Canada |4 aut | |
| 700 | 1 | |a Reichert |D Michelle |u Department of Zoology, University of British Columbia, 6270 University Blvd., V6T 1Z4, Vancouver, BC, Canada |4 aut | |
| 700 | 1 | |a Andrade |D Denis |u Depto de Zoologia, Instituto Nacional de Ciência e Tecnologia em Fisiologia Comparada, Univ Estadual Paulista, 13506-900, Rio Claro, SP, Brazil |4 aut | |
| 700 | 1 | |a Abe |D Augusto |u Depto de Zoologia, Instituto Nacional de Ciência e Tecnologia em Fisiologia Comparada, Univ Estadual Paulista, 13506-900, Rio Claro, SP, Brazil |4 aut | |
| 700 | 1 | |a Milsom |D William |u Department of Zoology, University of British Columbia, 6270 University Blvd., V6T 1Z4, Vancouver, BC, Canada |4 aut | |
| 773 | 0 | |t Journal of Comparative Physiology B |d Springer Berlin Heidelberg |g 185/8(2015-12-01), 905-915 |x 0174-1578 |q 185:8<905 |1 2015 |2 185 |o 360 | |
| 856 | 4 | 0 | |u https://doi.org/10.1007/s00360-015-0928-2 |q text/html |z Onlinezugriff via DOI |
| 898 | |a BK010053 |b XK010053 |c XK010000 | ||
| 900 | 7 | |a Metadata rights reserved |b Springer special CC-BY-NC licence |2 nationallicence | |
| 908 | |D 1 |a research-article |2 jats | ||
| 949 | |B NATIONALLICENCE |F NATIONALLICENCE |b NL-springer | ||
| 950 | |B NATIONALLICENCE |P 856 |E 40 |u https://doi.org/10.1007/s00360-015-0928-2 |q text/html |z Onlinezugriff via DOI | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Sanders |D Colin |u Department of Zoology, University of British Columbia, 6270 University Blvd., V6T 1Z4, Vancouver, BC, Canada |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Tattersall |D Glenn |u Department of Biological Sciences, Brock University, St. Catharines, ON, Canada |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Reichert |D Michelle |u Department of Zoology, University of British Columbia, 6270 University Blvd., V6T 1Z4, Vancouver, BC, Canada |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Andrade |D Denis |u Depto de Zoologia, Instituto Nacional de Ciência e Tecnologia em Fisiologia Comparada, Univ Estadual Paulista, 13506-900, Rio Claro, SP, Brazil |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Abe |D Augusto |u Depto de Zoologia, Instituto Nacional de Ciência e Tecnologia em Fisiologia Comparada, Univ Estadual Paulista, 13506-900, Rio Claro, SP, Brazil |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Milsom |D William |u Department of Zoology, University of British Columbia, 6270 University Blvd., V6T 1Z4, Vancouver, BC, Canada |4 aut | ||
| 950 | |B NATIONALLICENCE |P 773 |E 0- |t Journal of Comparative Physiology B |d Springer Berlin Heidelberg |g 185/8(2015-12-01), 905-915 |x 0174-1578 |q 185:8<905 |1 2015 |2 185 |o 360 | ||