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Vol. 8 (2023): Annual of Natural Sciences Department
Vol. 8 (2023): Annual of Natural Sciences Department
Published:
2023-12-30
Editorial
Editorial
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Contents
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Articles
Mobile amateur applications for marking and tracking birds as a tool for protecting them and for development of ornithological tourism
Adelina Stoyanova, Ralitza Berberova
1-7
PDF
Data analysis of the mid-winter census of wintering aquatic birds on the territory of Ramsar sites along the Bulgarian Black Sea coast for the period 2012 – 2021
Aleksandra Stoyanova, Ralitza Berberova
8-19
PDF
Data analysis of the observation on spiders (Araneae) diversity in the Bulgarian part of Osogovo mauntain
Dema Cholakova
20-29
PDF
Raw material sources and building materials from the Hellenistic period in the vicinity of Mesambria Pontica according archaeological sites
Zhivko Uzunov, Bilyana Kostova, Boika Zlateva
30-41
PDF
Application of clay as a sustainable building material. Characteristics of ancient clay plasters - pilot results
Katerina Mihaylova, Ventsislava Ivanova, Bilyana Kostova
42-56
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