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Description
  • Ectothermal vertebrates reg?ulate their body temperature within definite limits to maintain physiological processes at their optimal levels. Among others, food pro?cessing and absorption are strongly tempera?ture-dependent. Deficiency of adequate tem?peratures limits ectotherms in growth and maintenance. On the other hand, thermo?regulatory behavior is costly and should be constrained by many factors. Using artificial thermal gradients (26-44oC), we measured temperature preferences of 10 spiny-tailed agamas (Uromastyx acanthinura) in controlled indoor experiment. Each lizard could choose place in the terrarium before and after feed?ing. Then, temperature preferences during pre-feeding and post-feeding periods were compared. We found significant increase of preferred temperature after feeding. Detailed view revealed that there is consistent influ-ence of body size: bigger lizards maintained higher temperature during the whole experi-ment. We hypothesize that bigger potential predation risk on smaller lizards due to their size would force them to choose less optimal conditions
  • Ectothermal vertebrates reg?ulate their body temperature within definite limits to maintain physiological processes at their optimal levels. Among others, food pro?cessing and absorption are strongly tempera?ture-dependent. Deficiency of adequate tem?peratures limits ectotherms in growth and maintenance. On the other hand, thermo?regulatory behavior is costly and should be constrained by many factors. Using artificial thermal gradients (26-44oC), we measured temperature preferences of 10 spiny-tailed agamas (Uromastyx acanthinura) in controlled indoor experiment. Each lizard could choose place in the terrarium before and after feed?ing. Then, temperature preferences during pre-feeding and post-feeding periods were compared. We found significant increase of preferred temperature after feeding. Detailed view revealed that there is consistent influ-ence of body size: bigger lizards maintained higher temperature during the whole experi-ment. We hypothesize that bigger potential predation risk on smaller lizards due to their size would force them to choose less optimal conditions (en)
Title
  • RELATION BETWEEN BODY-SIZE AND THERMOREGULATION BEHAVIOR: POSTPRANDIAL THERMOPHILY IN SPINY-TAILED AGAMA, UROMASTYX ACANTHINURA BELL
  • RELATION BETWEEN BODY-SIZE AND THERMOREGULATION BEHAVIOR: POSTPRANDIAL THERMOPHILY IN SPINY-TAILED AGAMA, UROMASTYX ACANTHINURA BELL (en)
skos:prefLabel
  • RELATION BETWEEN BODY-SIZE AND THERMOREGULATION BEHAVIOR: POSTPRANDIAL THERMOPHILY IN SPINY-TAILED AGAMA, UROMASTYX ACANTHINURA BELL
  • RELATION BETWEEN BODY-SIZE AND THERMOREGULATION BEHAVIOR: POSTPRANDIAL THERMOPHILY IN SPINY-TAILED AGAMA, UROMASTYX ACANTHINURA BELL (en)
skos:notation
  • RIV/60076658:12220/14:43887048!RIV15-MSM-12220___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • V
http://linked.open...iv/cisloPeriodika
  • 1
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 41989
http://linked.open...ai/riv/idVysledku
  • RIV/60076658:12220/14:43887048
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • thermoregulation; lizard; feeding; preferred body temperature (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • PL - Polská republika
http://linked.open...ontrolniKodProRIV
  • [6E9C09CEA587]
http://linked.open...i/riv/nazevZdroje
  • Polish Journal of Ecology
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 62
http://linked.open...iv/tvurceVysledku
  • Berec, Michal
  • Poláková, Simona
  • Stará, Zuzana
http://linked.open...ain/vavai/riv/wos
  • 000333442000012
issn
  • 1505-2249
number of pages
http://bibframe.org/vocab/doi
  • 10.3161/104.062.0113
http://localhost/t...ganizacniJednotka
  • 12220
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