2025, vol. 17, issue 2

CONTENTS

Ecological aspects of DC-DC converters in hybrid electric vehicles –
a review
Stanislav Asenov, Velislava Raydovska, Daniela Shehova, Hristo Kanevski,
Anatoliy Parushev, pp. 1-12
Article № eb20252001 [Full text – PDF]

Implementation of an eco-friendly hybrid vehicle in engineering
education: a case study
Daniela Shehova, Stanislav Asenov, Hristo Kanevski, Velislava Raydovska,
Anatoliy Parushev, pp. 13-18
Article № eb202520013 [Full text – PDF]

Influence of dietary disaccharides on glycosyl hydrolase profile in
ecologically distinct Lactobacillus strains
Lidia Ivanova, Daniela Mollova, Nina Dimcheva, Tonka Vasileva,
Veselin Bivolarski, Mariana Nikolova, Ilia Iliev, pp. 19-28
Article № eb202520019 [Full text – PDF]

A toolkit for assessing cultural ecosystem services at a community
level
Slaveya Petrova, Ekaterina Valcheva, Tatyana Bileva, Megi Dakova, pp. 29-34
Article № eb202520029 [Full text – PDF]

Assessment of some ecosystem services in the region of Rhodope
Mountain, Bulgaria
Slaveya Petrova, Miglena Zlatkova, Bogdan Nikolov, Megi Dakova, pp. 35-39
Article № eb202520035 [Full text – PDF]

Which color are you?: A pilot study on microplastic accumulation in
sediments from the Bulgarian Black Sea
Vesela Yancheva, Stela Stoyanova, Elenka Georgieva, Kiril Valkanov, pp. 40-45
Article № eb202520040 [Full text – PDF]

Roe deer (Capreolus capreolus) with atypical three antlers
Rusko Petrov, Lora Petrova, pp. 46-50
Article № eb20252046 [Full text – PDF]

Bioaccumulation of some heavy metals in plants and insects
Desislava Arnaudova, Krasimir Todorov, Plamen Stoyanov, Deyana Georgieva,
Hristo Keranov, pp. 51-58
Article № eb20252051 [Full text – PDF]

A case of communal nesting of the Western broad-toothed field
mouse (Apodemus epimelas Nehring 1902)
Nedko Nedyalkov, Vladimir Mladenov, Plamena Gospodinova, Tiziana Lohja, pp. 59-62
Article № eb20252059 [Full text – PDF]

IoT sensor node for ammonia monitoring in livestock
Stanislav Assenov, Dimitar Tokmakov, Anna Bekyarova-Tokmakova, Snezha Shotarova,
Slavi Lyubomirov, pp. 63-69
Article № eb20252063 [Full text – PDF]

Resistance of 3D – printed PVA filaments to bacterial degradation
Anton Bashev, Stanislav Asenov, pp. 70-76
Article № eb20252070 [Full text – PDF]

Can photography be employed to analyze the diet of the Lesser
Kestrel (Falco naumanni Fleischere 1818)?
Svetla Dalakchieva, Aleksandra Popova, Gradimir Gradev,
Stiliyana Yaneva, pp. 77-83
Article № eb20252077 [Full text – PDF]

Evaluating heavy metal pollution and health risks in river systems
using Random Forest and XGBoost: Evidence from the Shkumbin
River
Bederiana Shyti, Lule Basha, Lirim Bekteshi, pp. 84-95
Article № eb20252084 [Full text – PDF]

Palynomorphological study of pollen grains of three Fritillaria
genus species (Liliaceae) in Albania
Blerina Pupuleku, Gëzim Kapidani, Klea Trokoliçi, Marsela Allushi,
‘Anisa Dhroso, Andrejeva Golloshi, Edlira Pajenga, Anxhela Dauti,
Admir Jançe, Fiona Ibërshimi, pp. 96-101
Article № eb20252096 [Full text – PDF]

Forest fires in Bulgaria – communication, coordination and
coherence
Todor Stoyanov, pp. 102-114
Article № eb20252102 [Full text – PDF]

In silico methods for mutagenicity prediction
Vesselina Paskaleva, Gergana Cokova, pp. 115-124
Article № eb20252115 [Full text – PDF]

Fungal diversity in Mediterranean and sub-Mediterranean plant
communities of Strandzha Mountain, Bulgaria
Maria Lacheva, Tzenka Radoukova, pp. 125-142
Article № eb20252125 [Full text – PDF]

Onopordum acanthium (Linnaeus, 1753) seeds from Southern
Bulgaria: A promising natural source of lipid-soluble bioactive
components
Zhana Petkova, Olga Teneva, Ginka Antova, Maria Angelova-Romova,
Tsvetelina Andonova, Ivanka Dimitrova-Dyulgerova, pp. 143-153
Article № eb20252143 [Full text – PDF]

An AI-powered knowledge base for scientific abstracts: a case study
on environmental DNA (eDNA) in biomonitoring
Vesselin Baev, Gana Gecheva, pp. 154-159
Article № eb20252143 [Full text – PDF]

Reintroduced Saker Falcons (Falco cherrug Gray, 1834) are
dependent on European ground squirrels during the breeding period
in Bulgaria
Dilian Georgiev, Rusko Petrov, Yana Andonova, Ivaylo Klisurov,
Ivaylo Angelov, Anton Stamenov, Dimitar Gradinarov, Volen Arkumarev, pp. 160-165
Article № eb20252160 [Full text – PDF]

Performance evaluation and cross-validation of low-cost
particulate matter sensors for environmental research
Atanas Terziyski, Nikolay Kochev, Stoyan Tenev, Svetlanna Georgieva, pp. 166-174
Article № eb20252166 [Full text – PDF]

Preparation and investigation of curcumin-containing PLA
composite films for food packaging application
Asya Viraneva, Aleksandar Grigorov, Temenuzhka Yovcheva, pp. 175-180
Article № eb20252175 [Full text – PDF]

Continuous integrated monitoring of meteorological conditions and
air quality dynamics in the urban core of Plovdiv, Bulgaria
Vesselina Paskaleva, Atanas Terzyiski, Stoyan Tenev, Nikolay Kochev, pp. 181-189
Article № eb20252181 [Full text – PDF]

Ecologo-taxonomic investigations of fungi on Dragoica Mountain
Ridge (Forebalkan) in Bulgaria
Maria Lacheva, Tzenka Radoukova, pp. 190-206
Article № eb20252190 [Full text – PDF]

IoT framework for environmental monitoring in Strandzha Nature
Park
Dimitar Tokmakov, Anna Bekyarova-Tokmakova, Stanislav Asenov,
Snezha Shotarova, Slavi Lubomirov, pp. 207-216
Article № eb20252207 [Full text – PDF]

AI-supported counselor training for socio-ecological resilience
Manol Manolov, pp. 217-223
Article № eb20252217 [Full text – PDF]

Floating platform for continuous monitoring of surface water
quality
Rumen Popov, Dimitar Tokmakov, Slaveya Petrova, Bogdan Nikolov, pp. 224-228
Article № eb20252224 [Full text – PDF]

Methodological aspects of biotesting – comparative analysis of
water uptake dynamics in seeds
Plamen Marinov-Serafimov, Irena Golubinova, Nadejda Zapryanova,
Bogdan Nikolov, Slaveya Petrova, pp. 229-237
Article № eb20252229 [Full text – PDF]

Contribution to the knowledge of the flora and habitats of
“Chernata Skala” Protected Site, Eastern Rhodope Mountains,
Bulgaria
Vladimir Trifonov, Gana Gecheva, Beloslava Genova, Petar Dimov,
Vladimir Vladimirov, Kiril Vassilev, pp. 238-253
Article № eb20252238 [Full text – PDF]

A model for sustainable development of digital and digi
pedagogical competences of university lecturers – the experience of
DUEcoS
Zhelyazka Raykova, Dobrinka Milusheva-Boikina, Diana Stoyanova,
Silvia Stoyanova-Petrova, Nadezhda Kafadarova, Marieta Atanasova,
Stefan Stoyanov, pp. 254-272
Article № eb20252254 [Full text – PDF]

From living practices to institutional knowledge: Biocultural
heritage and sustainability in Strandzha Mountain (Bulgaria)
Meglena Zlatkova, Dobrinka Parusheva, pp. 273-280
Article № eb20252273 [Full text – PDF]

Automated environmental monitoring in Strandzha Nature Park –
a pilot study
Slaveya Petrova, Rumen Popov, Bogdan Nikolov, Stela Stoyanova,
Dimitar Tokmakov, Slavi Lyubomirov, Snezha Shotarova,
Stanislav Asenov, pp. 281-291
Article № eb20252281 [Full text – PDF]