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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Koynova, T., Marinova, P., Mihov, S., Jablonski, D., Natchev, N. (2022) First record of Podarcis erhardii (Bedriaga, 1876) from the Bulgarian Black Sea coast, the easternmost locality of the species in the Balkan Peninsula. Herpetology Notes, 15, 165-168. (Scopus, Q3, IF 0.719, SJR 0.34, H Index 19) ÖÈÒÈÐÀÍÀ Â: Sakelarieva, L., Mitrevichin, E., Stoyanov, K., Pulev, A. (2025) Winter activity of Podarcis muralis (Laurenti, 1768) and P. erhardii (Bedriaga, 1876) in urbanand suburban habitats in the city of Blagoevgrad, Bulgaria. NORTH-WESTERN JOURNAL OF ZOOLOGY, 21(2), 166-172. Article No.: e251504. (Q3, IF 0.512, SJR 0.24) |
12.12.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Koynova, T., Tsvetkov, R., Natchev, N. (2023) A fox on the hunt: red fox (Vulpes vulpes) was able to subdue and kill an adult coypu (Myocastor coypus) in a protected site in south-eastern Bulgaria. Natura Croatica, 32(2), 549-554. https://doi.org/10.20302/NC.2023.32.36 (Scopus, Q3, IF 0.522, SJR 0.27, H Index 23) ÖÈÒÈÐÀÍÀ Â: Bocsi, B., Biro, Z., Katona, K. (2025) The Reproductive and Anatomical Characteristics of the Invasive Nutria (Myocastor coypus M.) in a Central European Population. Animals, 15(24), 3524. https://doi.org/10.3390/ani15243524 (Q1, IF 2.963, SJR 0.44) |
12.12.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Natchev, N., Nedyalkov, N., Kaschieva, M., Koynova, T. (2021) They are Back: Notes on the Presence and the life Activities of the Eurasian Beaver (Castor fiber L. 1758) from the Territory of Bulgaria. Ecologia Balkanica, 13(1), 173-175. (Web of Science, Scopus, Q4, IF 0.232, SJR 0.14, H Index 2) ÖÈÒÈÐÀÍÀ Â: Kachamakova, M., Nikova, P. K., Todorov, V., Zheleva, B., Koshev, Y. (2025) Characteristics of Beaver Activity in Bulgaria and Testing of a UAV-Based Method for Its Detection. Conservation, 5(4), 74. https://doi.org/10.3390/conservation5040074 (Q2, IF 2.329, SJR 0.733) |
12.12.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Koleva, V., Dragoeva, A., Stoyanova, Z., Koynova, T. (2016) A study on current status of herbal utilization in Bulgaria. Part 2: safety concerns. J. Ethnopharmacol. 183, 123–127 ÖÈÒÈÐÀÍÀ Â: Cherneva, D., Nikolova, N., Dimitrova, T., Ivanov, D., Iliev, I., Georgieva, S., Yaneva, G. (2025) Traditional Use of Medicinal Plants for Symptom Relief During the COVID-19 Pandemic in Bulgaria. Plants, 14(23), 3692. https://doi.org/10.3390/plants14233692 (Q1, IF 4.669, SJR 0.888) |
12.12.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Koleva, V., Dragoeva, A., Nanova, Zh., Koynova, T., Dashev, G. (2015) An ethnobotanical study on current status of some medicinal plants used in Bulgaria. International Journal of Current Microbiology and Applied Sciences, 4(4), 297-305. ISSN: 2319-7706 ÖÈÒÈÐÀÍÀ Â: Cherneva, D., Nikolova, N., Dimitrova, T., Ivanov, D., Iliev, I., Georgieva, S., Yaneva, G. (2025) Traditional Use of Medicinal Plants for Symptom Relief During the COVID-19 Pandemic in Bulgaria. Plants, 14(23), 3692. https://doi.org/10.3390/plants14233692 (Q1, IF 4.669, SJR 0.888) |
12.12.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Koynova, T., Marinova, P., Stanchev, N., Natchev, N., Jablonski, D. (2021) New records of Xerotyphlops vermicularis (Merrem, 1820) indicate the northernmost locality of the species in the Balkan Peninsula. Check List, 17(6), 1623-1626. https://doi.org/10.15560/17.6.1623 (Web of Science, Scopus, Q3, IF 0.662, SJR 0.26, H Index 26) ÖÈÒÈÐÀÍÀ Â: Gocer, E., Johnson, D.H., Bilgin, C.C., Vrezec, A. (2025) Association of nesting Otus scops (Eurasian Scops Owl) with Xerotyphlops vermicularis (worm snake) in Turkiye, Ornithology, ukaf054, https://doi.org/10.1093/ornithology/ukaf054 (Q1, IF 0.416, SJR 0.728) |
12.12.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Koynova, T., Nedyalkov, N., Natchev, N. (2022) An early start does not warrant offspring – a case of abnormal onset of the breeding season in Rana dalmatina (Fitzinger in Bonaparte, 1838) on the territory of Natura park “Shumensko Plato” (NE-Bulgaria). Biharean Biologist, 16 (2): Article No.: e221302. (Scopus, Q3, IF 0.462, SJR 0.2, H Index 10) |
18.11.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Koynova, T., Doichev, D., Natchev, N. (2020) New data on the distribution of the Bulgarian Bent-toed Gecko (Mediodactylus danilewskii Strauch, 1887) in Shumen town (NE Bulgaria). Biharean Biologist, 14(2), Article No.: e202302 (Scopus, Q3, IF 0.569, SJR 0.183, H Index 8) |
18.11.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Natchev, N., Ilieva, V., Koynova, T., Tzankov. N. (2016) Data from a five year monitoring on Green frogs (Pelophylax esculentus complex) at the Black sea coast of north Bulgaria. Biharean Biologist, 10(2), 109-112. (Scopus, Q3, IF 0.246, SJR 0.164, H Index 5) |
18.11.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Koynova, T., Marinova, P., Natchev, N. (2022) A new distribution record of the Balkan Spadefoot Toad, Pelobates balcanicus Karaman, 1928, from inland northeastern Bulgaria. Herpetology Notes, 15, 303-305. (Scopus, Q3, IF 0.728, SJR 0.34, H Index 19) |
18.11.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Koynova, T., Marinova, P., Mihov, S., Jablonski, D., Natchev, N. (2022) First record of Podarcis erhardii (Bedriaga, 1876) from the Bulgarian Black Sea coast, the easternmost locality of the species in the Balkan Peninsula. Herpetology Notes, 15, 165-168. (Scopus, Q3, IF 0.728, SJR 0.34, H Index 19) |
18.11.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Koynova, Ò., Natchev, N. (2021) Interspecific amplexus between Rana dalmatina (Fitzinger in Bonaparte, 1838) and Salamandra salamandra (Linnaeus, 1758) in “Shumensko Plato” Nature Park, Bulgaria. Herpetology Notes, 14, 653-655. (Scopus, Q3, IF 0.695, SJR 0.32, H Index 18) |
18.11.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Koynova, T., Tzankov, N., Popgeorgiev, G., Naumov, B., Natchev, N. (2017) A new distribution record of the Kotschy’s Gecko (Mediodactylus kotschyi) from inland north-eastern Bulgaria. Herpetology notes, 10, 1-2. (Scopus, Q3, IF 0.474, SJR 0.321, H Index 13) |
18.11.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Natchev, N., Jablonski, D., Dashev, G., Koynova, T., Zahariev, D., Tzankov, N. (2015) A puzzle about Bombina sp.: a yellow-bellied specimen of the fire-bellied toad (Bombina bombina Linnaeus, 1761) indicates the highest proven habitat of the species in Bulgaria. Herpetology Notes, 8, 379-384. (Scopus, Q3, IF 0.478, SJR 0.274, H Index 13) |
18.11.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
|
 íàó÷íî ñïèñàíèå
| Öèòèðàíèÿ
| Koynova, T., Nedyalkov, N., Natchev, N. (2022) An early start does not warrant offspring – a case of abnormal onset of the breeding season in Rana dalmatina (Fitzinger in Bonaparte, 1838) on the territory of Natura park “Shumensko Plato” (NE-Bulgaria). Biharean Biologist, 16 (2): Article No.: e221302 (Scopus, Q3, IF 0.442, SJR 0.2, H Index 10) ÖÈÒÈÐÀÍÀ Â: Yermokhin M.V., Tabachishin V.G. (2022) Phenological changes in the wintering end date of Pelophylax ridibundus (Pallas, 1771) (Ranidae, Anura) in the Medveditsa river valley (Saratov region) under conditions of climate transformation. Povolzhskiy Journal of Ecology, 4, 474-482. (In Russ.) https://doi.org/10.35885/1684-7318-2022-4-474-482 |
18.11.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
|
Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Koynova, T., Nedyalkov, N., Natchev, N. (2022) An early start does not warrant offspring – a case of abnormal onset of the breeding season in Rana dalmatina (Fitzinger in Bonaparte, 1838) on the territory of Natura park “Shumensko Plato” (NE-Bulgaria). Biharean Biologist, 16 (2): Article No.: e221302 (Scopus, Q3, IF 0.442, SJR 0.2, H Index 10) ÖÈÒÈÐÀÍÀ Â: Yermokhin, M.V., Tabachishin, V.G. (2023) Phenological Changes in the Wintering End Date of Pelophylax ridibundus (Pallas, 1771) (Ranidae, Anura) in the Medveditsa River Valley (Saratov Oblast) under Conditions of Climate Change. Biology Bulletin, 50, 2673–2676. https://doi.org/10.1134/S1062359023100047 (Q4, IF 0.456, SJR 0.18) |
18.11.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
|
Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Koynova, T., Nedyalkov, N., Natchev, N. (2022) An early start does not warrant offspring – a case of abnormal onset of the breeding season in Rana dalmatina (Fitzinger in Bonaparte, 1838) on the territory of Natura park “Shumensko Plato” (NE-Bulgaria). Biharean Biologist, 16 (2): Article No.: e221302 (Scopus, Q3, IF 0.442, SJR 0.2, H Index 10) ÖÈÒÈÐÀÍÀ Â: Yermokhin, M.V., Tabachishin, V.G. (2024) Phenology of the spawning migration start dates of anuran amphibians (Anura, Amphibia) in the river valleys of Saratov Right Bank region. Theoretical and Applied Ecology, 1, 191-198. doi: 10.25750/1995-4301-2024-1-191-198 (Q3, IF 0.577, SJR 0.26) |
18.11.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
|
Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Koynova, T., Tsvetkov, R., Natchev, N. (2023) A fox on the hunt: red fox (Vulpes vulpes) was able to subdue and kill an adult coypu (Myocastor coypus) in a protected site in south-eastern Bulgaria. Natura Croatica, 32(2), 549-554. https://doi.org/10.20302/NC.2023.32.36 (Scopus, Q3, IF 0.522, SJR 0.27, H Index 23) ÖÈÒÈÐÀÍÀ Â: Purger, T.J., Horvath, Z., Csor, S. i Purger, J.J. (2024) Spread of the coypu Myocastor coypus (Molina, 1782) along the Drava River in Hungary. Natura Croatica, 33 (1), 175-181. https://doi.org/10.20302/NC.2024.33.14 (Q3, IF 0.522, SJR 0.27) |
18.11.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
|
Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Koynova, T., Tsvetkov, R., Natchev, N. (2023) A fox on the hunt: red fox (Vulpes vulpes) was able to subdue and kill an adult coypu (Myocastor coypus) in a protected site in south-eastern Bulgaria. Natura Croatica, 32(2), 549-554. https://doi.org/10.20302/NC.2023.32.36 (Scopus, Q3, IF 0.522, SJR 0.27, H Index 23) ÖÈÒÈÐÀÍÀ Â: Travain, T., Filonzi, L., Ferrari, C., Fogu, L., Ardenghi, A., Persico, D., Valsecchi, P., Rontani, P.M., Marzano, F.N. (2025) A morphological and molecular approach confirms Italian wolf Canis lupus italicus predation on alien invasive species in the Po Plain and supports its role in providing ecosystem services. Journal of Vertebrate Biology, 74(25003): 25003, 1-13. https://doi.org/10.25225/jvb.25003 (Q1, IF 1.800, SJR 0.55) |
18.11.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
|
Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Koynova, T., Tsvetkov, R., Natchev, N. (2023) A fox on the hunt: red fox (Vulpes vulpes) was able to subdue and kill an adult coypu (Myocastor coypus) in a protected site in south-eastern Bulgaria. Natura Croatica, 32(2), 549-554. https://doi.org/10.20302/NC.2023.32.36 (Scopus, Q3, IF 0.522, SJR 0.27, H Index 23) ÖÈÒÈÐÀÍÀ Â: Viviano, A., Ancillotto, L., Dondina, O., Burchielli, A., Miccolis, D., Mori, E. (2025) What a camera trap survey can reveal about the behaviour of an invasive species: insights from coypus Myocastor coypus in an urban park of central Italy. Applied Animal Behaviour Science, 1 06534. https://doi.org/10.1016/j.applanim.2025.106534 (Q1, IF 2.250, SJR 0.61) |
18.11.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Koynova, T., Tsvetkov, R., Natchev, N. (2023) A fox on the hunt: red fox (Vulpes vulpes) was able to subdue and kill an adult coypu (Myocastor coypus) in a protected site in south-eastern Bulgaria. Natura Croatica, 32(2), 549-554. https://doi.org/10.20302/NC.2023.32.36 (Scopus, Q3, IF 0.522, SJR 0.27, H Index 23) |
18.11.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
|
Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Marinova, P., Koynova, T., Natchev, T., Dimitrova, Zh., Veleva, L., Jablonski, D. (2024) New record of the common frog Rana temporaria (Linnaeus, 1758) indicates the easternmost locality of the species in Bulgaria. Biharean Biologist, 18(2), 130-134. (Scopus, Q4, IF 0.528, SJR 0.16, H Index 12) |
18.11.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
|
 íàó÷íî ñïèñàíèå
| Ñòàòèè
| Marinova, P., Koynova, T., Ivanova, Ts., Doychinova, K., Natchev, N. (2025) A Questionnaire Based Survey Tested the Fact Checking and Interpretation Skills in the Field of General Zoology Among Students from Eight to Twelfth Grade in Bulgaria. Journal of Lifestyle and SDG`S Review, 5, e07793, 01-21. https://doi.org/10.47172/2965-730X.SDGsReview.v5.n09.pe07793 (Scopus, Q4, IF 0.308, SJR 0.102, H Index 3) |
18.11.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
|
Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Toschkova, S., Ibryamova, S., Bachvarova, D., Koynova, T., Stanachkova, E., Ivanov, R., Natchev, N., Ignatova-Ivanova, Ts. (2024) The assessment of the bioaccumulation of microplastics in key fish species from the Bulgarian aquatory of the Black Sea. BioRisk, 22, 17-31. DOI: 10.3897/biorisk.22.117668 (Web of Science, Scopus, Q3, IF 0.933, SJR 0.25, H Index 10) ÖÈÒÈÐÀÍÀ Â: Yancheva, V., Stoyanova, S., Georgieva, E., Valkanov, K. (2025) Which color are you?: A pilot study on microplastic accumulation insediments from the Bulgarian Black Sea. Ecologia Balkanica, 17(2), 40-45. DOI: 10.69085/eb20252040 (Q4, IF 0.416, SJR 0.192) |
17.11.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
|
Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Koleva, V., Dragoeva, A., Nanova, Zh., Koynova, T., Dashev, G. (2015) An ethnobotanical study on current status of some medicinal plants used in Bulgaria. International Journal of Current Microbiology and Applied Sciences, 4(4), 297-305. ISSN: 2319-7706 ÖÈÒÈÐÀÍÀ Â: Mihai, M., Ciont, C., Pop, O.L., Dumitras, D.E., Mihai, V.C., Morariu, I. D., Pocol, C.B. (2025) European Consumer and Regulatory Trends in Medicinal Plant Food Supplements and Their Functional Properties: The Road from Farm to Fork. Applied Sciences, 15(21), 11605. https://doi.org/10.3390/app152111605 (Q2, IF 3.145, SJR 0.521) |
17.11.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
|
Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Toschkova, S., Ibryamova, S., Bachvarova, D., Koynova, T., Stanachkova, E., Ivanov, R., Natchev, N., Ignatova-Ivanova, Ts. (2024) The assessment of the bioaccumulation of microplastics in key fish species from the Bulgarian aquatory of the Black Sea. BioRisk, 22, 17-31. DOI: 10.3897/biorisk.22.117668 (Web of Science, Scopus, Q3, IF 0.933, SJR 0.25, H Index 10) ÖÈÒÈÐÀÍÀ Â: SimSek, A. (2025) Determination of Microplastic Pollution in Commercial Fish in the Middle Black Sea (Samsun), Turkiye. Toxics, 13(10), 865. https://doi.org/10.3390/toxics13100865 (Q1, IF 4.550, SJR 1.012) |
17.11.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Ñòàòèè
| Natchev, N., Marinova, P., Telenchev, I., Nedyalkov, N., Ali, A., Koynova, T. (2025) Living Safely: Low Road Mortality in Squamates near Burgas, Bulgaria. Ecologies, 6(4), 68. https://doi.org/10.3390/ecologies6040068 (Web of Science, Scopus, Q2, IF 2.088, SJR 0.49, H Index 10) |
17.11.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
|
 ñáîðíèê
| Äîêëàäè
| Âúëêàíîâ, K., Öâåòêîâà, T., Èáðÿìîâà, Ñ., Áú÷âàðîâà, Ä., Òîøêîâà, Ñ., Òîäîðâà, Ï., Èâàíîâ, Ì., Èãíàòîâà-Èâàíîâà, Ö., Íà÷åâ, Í. Ìàëêà íî ïîëåçíà: Èíâàçèâíàòà ãàìáóçèÿ (Gambusia àffinis) êàòî èíäèêàòîð çà àëîõòîííî çàìúðñÿâàíå íà ñëàäêîâîäíè âîäîåìè. „Åêîëîãèÿòà – íà÷èí íà ìèñëåíå”, 17 ìàé 2025, Ïëîâäèâñêè óíèâåðñèòåò „Ïàèñèé Õèëåíäàðñêè”, ñòð. 16. |
10.10.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Kachamakova, M., Koynova, T., Tsvetkov, R., Koshev, Y. (2022) First evidence for active carnivorous predation in the European ground squirrel. Acta ethologica, 25, 191-193. https://doi.org/10.1007/s10211-022-00399-w (Web of Science, Scopus, Q3, IF 1.085, SJR 0.33, H Index 34) ÖÈÒÈÐÀÍÀ Â: Adamik, P., Simurdova, K., Gazarkova, A.H. (2025) Individual tracking of an arboreal rodent shows that predation on cavity-nesting birds is not incidental. European Journal of Wildlife Research, 71, 120. https://doi.org/10.1007/s10344-025-01998-1 (Q2, IF 1.989, SJR 0.567) |
10.10.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Toschkova, S., Ibryamova, S., Bachvarova, D., Koynova, T., Stanachkova, E., Ivanov, R., Natchev, N., Ignatova-Ivanova, Ts. (2024) The assessment of the bioaccumulation of microplastics in key fish species from the Bulgarian aquatory of the Black Sea. BioRisk, 22, 17-31. DOI: 10.3897/biorisk.22.117668 (Web of Science, Scopus, Q3, IF 0.933, SJR 0.25, H Index 10) ÖÈÒÈÐÀÍÀ Â: Chatterjee, N.H., Das, S., Choudhury, A., Ray, S. (2025) Microplastic toxicity in aquatic organisms across phylogeny. Aquatic Toxicology, 287, 107501. https://doi.org/10.1016/j.aquatox.2025.107501 (Q1, IF 4.819, SJR 1.256) |
10.10.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Koleva, V., Dragoeva, A., Nanova, Zh., Koynova, T., Dashev, G. (2015) An ethnobotanical study on current status of some medicinal plants used in Bulgaria. International Journal of Current Microbiology and Applied Sciences, 4(4), 297-305. ISSN: 2319-7706 ÖÈÒÈÐÀÍÀ Â: Stojiljkovic, I., Jovic, M., Ivkovic, D., Agatonovic-Kustrin, S., Morton, D. (2025) Enhancing the antioxidant and antimicrobial activities of Cotinus coggygria scop. leaf extracts through fermentation. Natural Product Research, 1-13. https://doi.org/10.1080/14786419.2025.2559759 (Q2, IF 2.177, SJR 0.398) |
10.10.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Koynova, T., Marinova, P., Stanchev, N., Natchev, N., Jablonski, D. (2021) New records of Xerotyphlops vermicularis (Merrem, 1820) indicate the northernmost locality of the species in the Balkan Peninsula. Check List, 17(6), 1623-1626. https://doi.org/10.15560/17.6.1623 (Web of Science, Scopus, Q3, IF 0.662, SJR 0.26, H Index 26) ÖÈÒÈÐÀÍÀ Â: Grapci-Kotori, L., Geci, D., Ibrahimi, H., Bilalli, A., Musliu, M., Sherwood, D. (2025) Three new country records of colubrid snakes (Squamata, Colubridae) for the Republic of Kosovo. Herpetozoa, 38, 241-244. https://doi.org/10.3897/herpetozoa.38.e162384 (Q2, IF 1.382, SJR 0.443) |
10.10.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Natchev, N., Koynova, T., Tachev, K., Doichev, D., Marinova, P., Velkova, V., Jablonski, D. (2022) Temperature regulation in the Balkan spadefoot (Pelobates balcanicus Karaman, 1928) at the beginning of nocturnal activity. PeerJ 10:e13647 https://doi.org/10.7717/peerj.13647 (Web of Science, Scopus, Q1, IF 2.833, SJR 0.7, H Index 97) ÖÈÒÈÐÀÍÀ Â: Carroll, J.M., Carroll, R.L. 2025. “Out of Sight, out of Mind: Fine-Scale Measurements Reveal Microclimate Heterogeneity for Plethodontid Salamanders.” Ecosphere, 16(9), e70401. https://doi.org/10.1002/ecs2.70401 (Q1, IF 2.981, SJR 1.120) |
10.10.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Toschkova, S., Ibryamova, S., Bachvarova, D., Koynova, T., Stanachkova, E., Ivanov, R., Natchev, N., Ignatova-Ivanova, Ts. (2024) The assessment of the bioaccumulation of microplastics in key fish species from the Bulgarian aquatory of the Black Sea. BioRisk, 22, 17-31. DOI: 10.3897/biorisk.22.117668 (Web of Science, Scopus, Q3, IF 0.933, SJR 0.25, H Index 10) ÖÈÒÈÐÀÍÀ Â: Alexandrova, A., Mihova, S., Tsvetanova, E., Andreeva, M., Pramatarov, G., Petrov, G., Chipev, N., Doncheva, V., Stefanova, K., Grandova, M., Stamatova, H., Hineva, E., Dimitrov, D., Raykov, V., Ivanova, P. (2025) Microplastic Bioaccumulation and Oxidative Stress in Key Species of the Bulgarian Black Sea: Ecosystem Risk Early Warning. Microplastics, 4, 50. https://doi.org/10.3390/microplastics4030050 (Q1, IF 6.187, SJR 1.220) |
10.10.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Koynova, T., Tzankov, N., Popgeorgiev, G., Naumov, B., Natchev, N. (2017) A new distribution record of the Kotschy’s Gecko (Mediodactylus kotschyi) from inland north-eastern Bulgaria. Herpetology notes, 10, 1-2. (Web of Science, Scopus, Q3, IF 0.474, SJR 0.321, H Index 13) ÖÈÒÈÐÀÍÀ Â: Babocsay, G. (2025) New data on introduced geckos of the Mediodactylus kotschyi complex in Hungary. Herpetology Notes, 18, 707-713. (Q3, IF 0.570, SJR 0.266) |
10.10.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Koynova, T., Doichev, D., Natchev, N. (2020) New data on the distribution of the Bulgarian Bent-toed Gecko (Mediodactylus danilewskii Strauch, 1887) in Shumen town (NE Bulgaria). Biharean Biologist, 14(2), Article No.: e202302 (Web of Science, Scopus, Q3, IF 0.517, SJR 0.183, H Index 8) ÖÈÒÈÐÀÍÀ Â: Babocsay, G. (2025) New data on introduced geckos of the Mediodactylus kotschyi complex in Hungary. Herpetology Notes, 18, 707-713. (Q3, IF 0.570, SJR 0.266) |
10.10.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Toschkova, S., Ibryamova, S., Bachvarova, D., Koynova, T., Stanachkova, E., Ivanov, R., Natchev, N., Ignatova-Ivanova, Ts. (2024) The assessment of the bioaccumulation of microplastics in key fish species from the Bulgarian aquatory of the Black Sea. BioRisk, 22, 17-31. DOI: 10.3897/biorisk.22.117668 (Web of Science, Scopus, Q3, IF 0.933, SJR 0.25, H Index 10) ÖÈÒÈÐÀÍÀ Â: Totoiu, A., Stoica, E., Ciuca, A.M., Harcota, G.E., Nita, V., Patriche, N. (2025) Parasites and Microplastics in the Gastrointestinal Tract of Alosa immaculata from the Black Sea – Implications for Health and Condition. Journal of Marine Science and Engineering, 13(7), 1316. https://doi.org/10.3390/jmse13071316 (Q2, IF 3.103, SJR 0.579) |
10.10.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Koynova, T., Koleva, V., Dragoeva, A., Natchev, N. (2019) Peri-urban National Parks as Green Spaces for Recreation: A Case Study of Nature Park Shumen Plateau. International Journal of Social Ecology and Sustainable Development, 10(1), 46-58, doi: 10.4018/IJSESD.2019010104 (Scopus, Q2, IF 1.718, SJR 0.352, H Index 8) ÖÈÒÈÐÀÍÀ Â: Zong, M., Yanai, S., Wang, R, (2025) Exploring the use and perceptions of community parks with engagement activities: a case study of Tokyo, Japan. Frontiers in Sustainable Cities, 7, 1599193. doi: 10.3389/frsc.2025.1599193 (Q1, IF 2.389, SJR 0.799) |
10.10.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Mollov, I., Natchev, N., Koynova, T., Kambourov, I., Rashkov, M., Dimitrov, D., Todorov, O., Petrova, T., Vladov, K., Uzunov, S. (2022) Distribution of the Amphibians and Reptiles along the Southern Black Sea Coast and Strandzha Nature Park (SE Bulgaria). Ecologia Balkanica, Special Edition 5, 43-74. (Web of Science, Scopus, Q4, IF 0.529, SJR 0.2, H Index 4) ÖÈÒÈÐÀÍÀ Â: Naumov, B., Vacheva, E., Borissov, S., Lukanov, S., Dyugmedzhiev, A., Lazarkevich, I. (2025) On the origin of the easternmost known population of Podarcis erhardii (Bedriaga, 1876) (Reptilia: Sauria). North-Western Journal of Zoology, 21(1), 43-49. Article No.: e251501 (Q3, IF 0.512, SJR 0.24) |
10.10.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Koynova, T., Marinova, P., Mihov, S., Jablonski, D., Natchev, N. (2022) First record of Podarcis erhardii (Bedriaga, 1876) from the Bulgarian Black Sea coast, the easternmost locality of the species in the Balkan Peninsula. Herpetology Notes, 15, 165-168. (Web of Science, Scopus, Q3, IF 0.719, SJR 0.34, H Index 19) ÖÈÒÈÐÀÍÀ Â: Naumov, B., Vacheva, E., Borissov, S., Lukanov, S., Dyugmedzhiev, A., Lazarkevich, I. (2025) On the origin of the easternmost known population of Podarcis erhardii (Bedriaga, 1876) (Reptilia: Sauria). North-Western Journal of Zoology, 21(1), 43-49. Article No.: e251501 (Q3, IF 0.512, SJR 0.24) |
10.10.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Koleva, V., Dragoeva, A., Nanova, Zh., Koynova, T., Dashev, G. (2015) An ethnobotanical study on current status of some medicinal plants used in Bulgaria. International Journal of Current Microbiology and Applied Sciences, 4(4), 297-305. ISSN: 2319-7706 ÖÈÒÈÐÀÍÀ Â: Arslan, K., Senkardes, I. (2025) Folk medicinal plants of Yenicaga (Bolu-Turkiye). Genetic Resources and Crop Evolution, https://doi.org/10.1007/s10722-025-02449-1 (Q2, IF 1.931, SJR 0.41) |
10.10.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Nikolov, N., Koynova, T., Kolev, N., Natchev, N. (2024) On the Biomechanics of the Foil “Flick”- Kinematical Comparison of the Execution in Non-elite and Elite Fencers. International Journal of Human Movement and Sports Sciences, 12(6), 963-982. DOI: 10.13189/saj.2024.120608. (Scopus, Q3, IF 1.616, SJR 0.27, H Index 19) ÖÈÒÈÐÀÍÀ Â: Saleh, H.A.A. (2025) Some biodynamic variables as determinants of the formation of the most appropriate offensive sentence in the fencing weapon. The Scientific Journal of Sport Science & Arts, 080(2), 97-124. doi: 10.21608/ijssaa.2025.345330.2366 |
10.10.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Kachamakova, M., Koynova, T., Tsvetkov, R., Koshev, Y. (2022) First evidence for active carnivorous predation in the European ground squirrel. Acta ethologica, 25, 191-193. https://doi.org/10.1007/s10211-022-00399-w (Web of Science, Scopus, Q3, IF 1.085, SJR 0.33, H Index 34) ÖÈÒÈÐÀÍÀ Â: Klagkou, S., Rammou, D.-L., Tsiripidis, I., Astaras, C., Youlatos, D. (2025) Feeding Habits of European Ground Squirrels in Anthropogenic Habitats in Central Macedonia, Greece. Biology, 14(4), 386. https://doi.org/10.3390/biology14040386 (Q1, IF 3.698, SJR 0.89) |
10.10.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Toschkova, S., Ibryamova, S., Bachvarova, D., Koynova, T., Stanachkova, E., Ivanov, R., Natchev, N., Ignatova-Ivanova, Ts. (2024) The assessment of the bioaccumulation of microplastics in key fish species from the Bulgarian aquatory of the Black Sea. BioRisk, 22, 17-31. DOI: 10.3897/biorisk.22.117668 (Web of Science, Scopus, Q3, IF 0.933, SJR 0.25, H Index 10) ÖÈÒÈÐÀÍÀ Â: Tuvikene, A., Agasild, H., Luis Val, A., Haldna, M., Zingel, P. (2025) Plastic contamination in fish digestive tracts in Amazonian rivers during a period of extreme low water. Journal of Fish Biology, https://doi.org/10.1111/jfb.70021 (Q2, IF 1.887, SJR 0.55) |
10.10.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Koleva, V., Koynova, T., Dragoeva, A., Kolev, N., Kuleva, I., Natchev, N. (2024) Benefits for visitors provided by protected areas in Bulgaria and willingness to become a conservation volunteer. Ecological Questions, 35(2), 59-66. http://dx.doi.org/10.12775/EQ.2024.016 (Web of Science, Scopus, Q3, IF 1.070, SJR 0.27, H Index 14) ÖÈÒÈÐÀÍÀ Â: Zou, X., Cai, X., He, J., Peng, X. (2025) Promoting volunteer tourist service performance in protected area: the impacts of self-efficacy. Tourism Recreation Research, 1-15. https://doi.org/10.1080/02508281.2025.2465998 (Q1, IF 5.519, SJR 0.92) |
10.10.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Toschkova, S., Ibryamova, S., Bachvarova, D., Koynova, T., Stanachkova, E., Ivanov, R., Natchev, N., Ignatova-Ivanova, Ts. (2024) The assessment of the bioaccumulation of microplastics in key fish species from the Bulgarian aquatory of the Black Sea. BioRisk, 22, 17-31. DOI: 10.3897/biorisk.22.117668 (Web of Science, Scopus, Q3, IF 0.933, SJR 0.25, H Index 10) ÖÈÒÈÐÀÍÀ Â: Ciuca, A.M., Stoica, E., Barbes, L. (2025) First Report of Microplastic Ingestion and Bioaccumulation in Commercially Valuable European Anchovies (Engraulis encrasicolus, Linnaeus, 1758) from the Romanian Black Sea Coast. Journal of Marine Science and Engineering, 13(3), 394. https://doi.org/10.3390/jmse13030394 (Q2, IF 2.983, SJR 0.53) |
10.10.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Dragoeva, A., Koleva, V., Nanova, Zh., Koynova, T., Jordanova, P. (2015) A study on current status of herbal utilization in Bulgaria: Part 1 - Application of herbal medicines. Scientific Research and Essays, 10(5), 168-176. doi: 10.5879/SRE2015.6172, ISSN: 1992-2248 ÖÈÒÈÐÀÍÀ Â: Nenkova, I., Kozuharova, E., Kamusheva, M., Kamusheva, A. (2025) Awareness of herbal medicine within the Bulgarian population – a pilot study. Pharmacia, 72, 1-8. https://doi.org/10.3897/pharmacia.72.e140967 (Q2, IF 1.554, SJR 0.24) |
10.10.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Koleva, V., Dragoeva, A., Nanova, Zh., Koynova, T. (2016) A study on current status of herbal utilization in Bulgaria: Part 2 - Safety concerns. Journal of Ethnopharmacology, 183(13), 123-127. http://dx.doi.org/10.1016/j.jep.2016.02.033, ISSN: 03788741 (Web of Science, Scopus, Q1, IF 3.440, SJR 1.087, H Index 170) ÖÈÒÈÐÀÍÀ Â: Nenkova, I., Kozuharova, E., Kamusheva, M., Kamusheva, A. (2025) Awareness of herbal medicine within the Bulgarian population – a pilot study. Pharmacia, 72, 1-8. https://doi.org/10.3897/pharmacia.72.e140967 (Q2, IF 1.554, SJR 0.24) |
10.10.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Ñ èìïàêò ôàêòîð
| Öèòèðàíèÿ
| Kachamakova, M., Koynova, T., Tsvetkov, R., Koshev, Y. (2022) First evidence for active carnivorous predation in the European ground squirrel. Acta ethologica, 25, 191-193. https://doi.org/10.1007/s10211-022-00399-w (Web of Science, Scopus, Q3, IF 1.085, SJR 0.33, H Index 34) ÖÈÒÈÐÀÍÀ Â: Darget, A.I., Gozzi, A.C., Benitez, V.V., Pedreira, P., Lorenzi, J.E., Garcia, R.L., Borgnia, M. (2024) Documentacion de eventos de depredacion de nidos por la ardilla de vientre rojo Callosciurus erythraeus (Pallas, 1778) en la localidad de Lujan, Buenos Aires. Notas Sobre Mamiferos Sudamericanos, 6(1). https://doi.org/10.31687/SaremNMS24.11.1 (Q4, IF 0.357, SJR 0.155) |
10.10.2025 |
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Äîö. ä-ð . Òåîäîðà Âåñåëèíîâà Öâåòêîâà (Êîéíîâà)
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Äðóãè
| Öèòèðàíèÿ
| Koleva V., Koynova, T., Kuleva, I., Dragoeva, A. (2023) A simple tool to assess the effect of water-soluble soil pollutants on enzyme activity in human whole blood samples using WST-1 assay. Revista Internacional de Contaminacion Ambiental, 39, 43-46. https://doi.org/10.20937/RICA.54549 (Web of Science, Scopus, Q4, IF 0.389, SJR 0.19, H Index 26) ÖÈÒÈÐÀÍÀ Â: Yekelo, B. (2024) Aqueous extracts of Dodonaea viscosa induce potent and selective cytotoxicity in DLBCL cells. Master of Science Thesis, University of Cape Town, Faculty of Health Sciences, Department of Pathology. http://hdl.handle.net/11427/41172 |
10.10.2025 |
