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The importance of habitat resistance for movement decisions in the common lizard, Lacerta vivipara
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Genetics, Evolutionary Biology.
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Genetics, Animal Ecology.
2012 (English)In: BMC Ecology, ISSN 1472-6785, Vol. 12, 13- p.Article in journal (Refereed) Published
Abstract [en]

Background: Movement behaviour can be influenced by a multitude of biotic and abiotic factors. Here, we investigate the speed of movement in relation to environmental and individual phenotypic properties in subadult common lizards (Lacerta vivipara). We aim to disentangle the importance of substrate, cover, humidity, basking opportunity and individual phenotype on moving tendencies in 12 treatment combinations, at which each lizard was tested.Results: We find that movement behaviour depends on the starting conditions, the physical properties of the dispersal corridor, and on the individuals' phenotype. Specifically, the presence of cover and substrate providing suitable traction in the corridor had positive effects on individual movement decisions. Additionally, we find high phenotypic variation in the propensity to move dependent on the presence of cover. Individual back patterns also strongly affected movement decisions in interaction with the physical properties of the dispersal corridor.Conclusions: Our results highlight the importance of understanding the habitat resistance for movement patterns, with humid habitats with covering vegetation providing the best conditions to initiate movement in the common lizard. In addition, population effects, differences in back pattern phenotype and individual plasticity were identified as key parameters influencing movement behaviour.

Place, publisher, year, edition, pages
2012. Vol. 12, 13- p.
Keyword [en]
Behaviour, Connectivity, Cover, Dispersal, Exploration, Humidity, Lacertidae, Light, Lizards, Personality, Phenotypic plasticity, Substrate, Temperature, Zootoca
National Category
Natural Sciences
URN: urn:nbn:se:uu:diva-186764DOI: 10.1186/1472-6785-12-13ISI: 000310649700001OAI: diva2:572909
Available from: 2012-11-29 Created: 2012-11-29 Last updated: 2012-12-03Bibliographically approved

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Zajitschek, Susanne R. K.Zajitschek, Felix
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