Velikost těla plazů: proximátní mechanismy a ekofyziologické koreláty

• Main Author: Starostová, Zuzana
• Other Authors: Frynta, Daniel
• Format: Doctoral Thesis
• Language: Czech
• Published: 2009
• Online Access: http://www.nusl.cz/ntk/nusl-454259

Body size is a fundamentaltrait determininga suite of morphological, physiological andecologicalcharacteristicsoforganisms.The thesisdealswith topicscloselyrelated to proximate mechanisms of body size change in lizards and with ecophysiological correlates of body size such as metabolic rate and influence of environmental temperature.The Ph.D. thesis contains a brief introductorychapterand four chapters representedby threepublished or acceptedpapersand one submittedmanuscript.All papers included in the thesis have in common that they take into the account phylogeneticrelationshipsamong studiedspeciesand usedifferent methodsto control the effect of phylogeny. The first chaptershows thatevenwithin closely relatedgroup of lizards from the family Eublepharidae(eyelid geckos),thered blood cell size differs considerably and is conelated with body size. The cell size supposedly played an importantrole in evolutionary changesin body size in this group. The secondchapter is focused on evolutionary changes in genome size in eyelid geckos and on the relationship between cell size and genome size. The changes in genome size correspond well with phylogenetic relationships among eublepharids, but are independent on evolutionary changes in cell size. At higher taxonomic levels a positive correlation between genome...