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)
Източник: BULGARIAN JOURNAL OF AGRICULTURAL SCIENCE
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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Прима-Софт ООД, 2026