Ecological status of the Sazliyka river and its Tributaries (Blatnitsa and Sokolitsa) as indicated by the color polymorphism and sexual composition of the populations Pelophylax ridibundus (Amphibia: Ranidae)
Ecological status of the Sazliyka river and its Tributaries (Blatnitsa and Sokolitsa) as indicated by the color polymorphism and sexual composition of the populations Pelophylax ridibundus (Amphibia: Ranidae) / Пълен текст
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