Fluctuating Asymmetry in the Populations of Pelophylax ridibundus and Pseudepidalea viridis (Amphibia: Anura) in the Region of the Lead and Zinc Plant “Kardzhali” (South Bulgaria) (original) (raw)

Levels of fluctuating asymmetry in two species of anuran amphibians, Pelophylax ridibundus and Pseudepidalea viridis, in sympatric and syntopic conditions at the dam lake "Studen Kladenets" located next to the Lead and Zinc Plant "Kardzhali", South Bulgaria, are studied. Materials were collected during the breeding season in three consecutive years.. Based on the indicators of fluctuating asymmetry in both species, grades characterizing the developmental stability of their populations are identified. These grades are indicative for the quality of the environment and are used for assessment of the biotope, carried out parallel and independently from the physicochemical analysis.

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