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Proceedings Paper

Understanding lizard's microhabitat use based on a mechanistic model of behavioral thermoregulation
Author(s): Teng Fei; Valentijn Venus; Bert Toxopeus; Andrew K. Skidmore; Martin Schlerf; Yaolin Liu; Sjef van Overdijk; Meng Bian
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Paper Abstract

Lizards are an "excellent group of organisms" to examine the habitat and microhabitat use mainly because their ecology and physiology is well studied. Due to their behavioral body temperature regulation, the thermal environment is especially linked with their habitat use. In this study, for mapping and understanding lizard's distribution at microhabitat scale, an individual of Timon Lepidus was kept and monitored in a terrarium (245×120×115cm) in which sand, rocks, burrows, hatching chambers, UV-lamps, fog generators and heating devices were placed to simulate its natural habitat. Optical cameras, thermal cameras and other data loggers were fixed and recording the lizard's body temperature, ground surface temperature, air temperature, radiation and other important environmental parameters. By analysis the data collected, we propose a Cellular Automata (CA) model by which the movement of lizards is simulated and translated into their distribution. This paper explores the capabilities of applying GIS techniques to thermoregulatory activity studies in a microhabitat-scale. We conclude that microhabitat use of lizards can be explained in some degree by the rule based CA model.

Paper Details

Date Published: 29 December 2008
PDF: 10 pages
Proc. SPIE 7285, International Conference on Earth Observation Data Processing and Analysis (ICEODPA), 728508 (29 December 2008); doi: 10.1117/12.815981
Show Author Affiliations
Teng Fei, Wuhan Univ. (China)
International Institute for Geo-Information Science and Earth Observation (Netherlands)
Valentijn Venus, International Institute for Geo-Information Science and Earth Observation (Netherlands)
Bert Toxopeus, International Institute for Geo-Information Science and Earth Observation (Netherlands)
Andrew K. Skidmore, International Institute for Geo-Information Science and Earth Observation (Netherlands)
Martin Schlerf, International Institute for Geo-Information Science and Earth Observation (Netherlands)
Yaolin Liu, Wuhan Univ. (China)
Sjef van Overdijk, Dierenpark De Olimeulen (Netherlands)
Meng Bian, Wuhan Univ (China)
International Institute for Geo-Information Science and Earth Observation (Netherlands)


Published in SPIE Proceedings Vol. 7285:
International Conference on Earth Observation Data Processing and Analysis (ICEODPA)
Deren Li; Jianya Gong; Huayi Wu, Editor(s)

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