Environment drives color pattern polymorphism in sand lizards beyond the Gloger's rule

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Publikace nespadá pod Pedagogickou fakultu, ale pod Přírodovědeckou fakultu. Oficiální stránka publikace je na webu muni.cz.
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SAU Shubhra SMOLINSKÝ Radovan MARTÍNKOVÁ Natália

Rok publikování 2023
Druh Článek v odborném periodiku
Časopis / Zdroj Journal of Zoology
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
www https://zslpublications.onlinelibrary.wiley.com/doi/10.1111/jzo.13097
Doi http://dx.doi.org/10.1111/jzo.13097
Klíčová slova color polymorphism; Gloger's rule; species distribution model; reptile; Lacerta agilis; MaxEnt; climatic variation; color morph distribution
Popis Species color and color pattern vary geographically contributing to environmental tolerance of the species to the fluctuating climate. In a constantly changing environment, the population remains polymorphic, when individuals that are not acclimated to the current environment can survive adverse time periods. Factors influencing color morph frequencies in populations affect spatial variation through local adaptation, which is in turn linked to large-scale environmental gradients. The influence of environmental factors has not been adequately studied in many polymorphic organisms where the influence of sexual selection on the persistence of polymorphisms is widely recognized. We hypothesized that different color morphs of sand lizard are distributed throughout the Palearctic depending on different environmental conditions. The goal of this study was to examine if the range of morph composition in a color polymorphic lizard can be explained by geographic and climatic variation in the Palearctic. We used publicly available data on sand lizard occurrence from the Global Biodiversity Information Facility and environmental variables from WorldClim and SEDAC databases. We categorized sand lizards' photos to 10 discrete color morphs based on color and color pattern variation. We predicted the color morph distribution using maximum entropy models. We found that variations in morph distributions were mostly related to temperature seasonality, precipitation, elevation, and anthropogenic activities. Our findings support the relationship between environmental conditions and color morph distribution, implying that environmental selection acts differently on color morphs, most likely in conjunction with sexual selection.
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