Water frogs (Rana esculenta complex) in Serbia - morphometric data
2008
Krizmanic, I.I., University of Belgrade, Belgrade (Serbia). Faculty of Biology, Institute of Zoology
The main purposes of this paper was to estimate morphometric variability of the water frog (Rana synklepton esculanta 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 ribibunda, Rana lessonae, and Rana kl. esculenta). Significant interspecific differences were found between Rana ribibunda and Rana lessonae, which are clearly distinct from each other. Rana kl. esculenta specimens were in an intermediate position between Rana ribibunda and Rana lessonae, with values more similar to the Rana ribibunda parent species.
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