Water frogs (Rana esculenta complex) in Serbia: Morphological data

The main purpose of this paper was to estimate morphometric variability of the water frog (Rana synklepton esculenta complex) population in Serbia. Altogether, 396 water frogs were collected at 15 localities in Serbia and analyzed using principal components for 18 selected indices, in addition to wh...

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Bibliographic Details
Published in:Archives of biological sciences 2008, Vol.60 (3), p.449-457
Main Author: Krizmanic, I.I.
Format: Article
Language:English
Subjects:
morphometry
Rana kl. esculenta
Rana lessonae
Rana ridibunda
Serbia
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Summary:The main purpose of this paper was to estimate morphometric variability of the water frog (Rana synklepton esculenta complex) population in Serbia. Altogether, 396 water frogs were collected at 15 localities in Serbia and analyzed using principal components for 18 selected indices, in addition to which correspondent analyses were conducted for 30 qualitative external morphological traits. The results showed that the population samples were heterogeneous and included three separate forms (Rana ridibunda, Rana lessonae and Rana kl. esculenta). Significant interspecific differ?ences were found between R. ridibunda and R. lessonae, which are clearly distinct from each other. Rana kl. esculenta specimens were in an intermediate position between R. ridibunda and R. lessonae, with values more similar to the R. ridibunda parent species. Analiza spoljasnjih morfoloskih karakteristika kompleksa vodenih zaba (Rana synklepton esculenta), izvrsena je na uzorku od 396 jedinki sa 15 lokaliteta na teritoriji Republike Srbije. Rezultati analize glavnih komponenti (PCA) kao i korespondentne analize (CA) ukazuju na prisustvo tri razlicite forme (Rana ridibunda, Rana lessonae i Rana kl. esculenta). Statisticki znacajne razlike su ustanovljene izmedju roditeljskihvrsta (R. ridibunda i R. lessonae). Hibridogenetska forma R. kl. esculenta zauzima intermedijerni polozaj izmedju roditeljskih vrsta, sa izrazenijom slicnoscu sa vrstom R. ridibunda.
ISSN:0354-4664
1821-4339
DOI:10.2298/ABS0803449K