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Use of voluntary maximum temperatures for linking thermal physiology and species geographic range size

Grant number: 15/01300-3
Support Opportunities:Scholarships abroad - Research Internship - Post-doctor
Effective date (Start): May 18, 2015
Effective date (End): May 17, 2016
Field of knowledge:Biological Sciences - Physiology - Compared Physiology
Principal Investigator:Miguel Trefaut Urbano Rodrigues
Grantee:Agustín Camacho Guerrero
Supervisor: Michael James Angilletta Jr.
Host Institution: Instituto de Biociências (IB). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Research place: Arizona State University, Phoenix (ASU), United States  
Associated to the scholarship:12/15754-8 - Ecogeographical consequences of evolution of the snake-like morphotype in squamates, BP.PD


Understanding macroevolutionary patterns of geographic range evolution requires developing techniques able to detect their constituent mechanisms. One of the main objectives of my post-doctoral project is to identify factors leading to the decrease in distribution range size experienced by snake-like lizards. Thermal physiology is a potential factor because burrowing snake-like lizards, despite inhabiting hot and open environments, typically evolve low thermal tolerance and a preference for low temperatures. In this way, their avoidance of hot temperatures might make their geographic ranges shrink in those hot environments. However, linking behavioral thermoregulation and thermal physiology to geographic range size is a current challenge for ecophysiology. Dr. Michael Angilleta is a renowned leader in thermal physiology research who has raised important infrastructure for developing such links at the University of Arizona (Tempe). We will co-work on the use of voluntary maximum temperatures (VMT) of lizards for identifying physio-behavioral constrains on geographic range size. During my phd-post doctoral research I have gathered promising preliminary data on the performance of this parameter and data on VMT of lizards of different families. We will develop a strong experimental basis for this parameter so as to provide a fast and general method for identifying how high temperatures act on lizards' behavior/physiology to constrain their geographic range. (AU)

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Scientific publications (5)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
CAMACHO, AGUSTIN; RUSCH, TRAVIS W.. Methods and pitfalls of measuring thermal preference and tolerance in lizards. Journal of Thermal Biology, v. 68, n. A, p. 63-72, . (13/50297-0, 15/01300-3, 12/15754-8)
CAMACHO, AGUSTIN; VANDENBROOKS, JOHN M.; RILEY, ANGELA; TELEMECO, RORY S.; ANGILLETTA, JR., MICHAEL J.. Oxygen supply did not affect how lizards responded to thermal stress. Integrative Zoology, v. 13, n. 4, SI, p. 428-436, . (15/01300-3, 12/15754-8)
WIENS, JOHN J.; CAMACHO, AGUSTIN; GOLDBERG, AARON; JEZKOVA, TEREZA; KAPLAN, MATTHEW E.; LAMBERT, SHEA M.; MILLER, ELIZABETH C.; STREICHER, JEFFREY W.; WALLS, RAMONA L.. Climate change, extinction, and Sky Island biogeography in a montane lizard. Molecular Ecology, v. 28, n. 10, p. 2610-2624, . (15/01300-3)
CAMACHO, AGUSTIN; RUSCH, TRAVIS; RAY, GRAHAM; TELEMECO, RORY S.; RODRIGUES, MIGUEL TREFAUT; ANGILLETTA, MICHAEL J.. Measuring behavioral thermal tolerance to address hot topics in ecology, evolution, and conservation. Journal of Thermal Biology, v. 73, p. 71-79, . (12/15754-8, 13/50297-0, 15/01300-3)
MARQUES-SOUZA, SERGIO; PRATES, IVAN; FOUQUET, ANTOINE; CAMACHO, AGUSTIN; KOK, PHILIPPE J. R.; NUNES, PEDRO M. S.; DAL VECHIO, FRANCISCO; RECODER, RENATO SOUSA; MEJIA, NATHALIA; TEIXEIRA JUNIOR, MAURO; et al. Reconquering the water: Evolution and systematics of South and Central American aquatic lizards (Gymnophthalmidae). ZOOLOGICA SCRIPTA, v. 47, n. 3, p. 255-265, . (12/10163-1, 15/01300-3, 11/50146-6, 12/15754-8)

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