https://acta-zoologica-bulgarica.eu/002756-2/
002756 @ct@zoologicA | | Acta Zoologica Bulgarica
Mar 20, 2025 - Vol. 76 (3) 2024 ARTICLES Avian Diversity Monitoring in Mountain Beech Forests using Acoustic Indices: a Case Study in the Belasitsa Nature Park, Bulgaria...
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