Asymmetry in the common wall lizard Podarcis muralis under different levels of urbanization: The effect of trait and FA index selection

The use of fluctuating asymmetry (FA) as a measure of developmental instability and its relationship to stress and fitness is highly controversial. We examined whether the selection of different FA indices and traits influences the results of FA analysis. We chose four meristic traits and three FA indices (two single-trait and two multiple-trait indices) to assess FA levels in the common wall lizard (Podarcis muralis) from three different habitat types (urban, suburban and natural). Urbanization has already been linked to developmental instability in P. muralis. We therefore expected to detect different FA levels among the habitats. However, we also wanted to see whether we obtained the same patterns using different indices and traits. Our results showed that different traits can yield different FA patterns between habitats. The only statistically significant difference between habitats was detected for the FA2 index in femoral pores. The highest level of FA was detected in the urban population, while the lowest level was in the natural population. It is clear that caution must be exerted when deciding on which traits and indices are to be used for FA analysis. [Projects of the Serbian Ministry of Education, Science and Technological Development, Grant no. OI173043, Grant no. III43001]

• Publication year

  2019

• Venue

  Archives of Biological Sciences

• Publication date

  2019-10-23

• Fields of study

  Biology, Environmental Science

• Identifiers
  DOI 10.2298/ABS190225033M
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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