Bosela M, Á Rubio-Cuadrado, P Marcis, K Merganičová, P Fleischer, D Forrester, E Uhl, A Avdagić, M Bellan, K Bielak, F Bravo, L Coll, K Cseke, M del Rio, L Dinca, L Dobor, S Drozdowski, F Giammarchi, E Gömöryová, A Ibrahimspahić, M Kašanin-Grubin, M Klopčič, V Kurylyak, F Montes, M Pach, R Ruiz-Peinado, J Skrzyszewski, B Stajic, D Stojanovic, M Svoboda, G Tonon, S Versace, S Mitrovic, T Zlatanov, H Pretzsch, R Tognetti. 2023. Empirical and process-based models predict enhanced beech growth in European mountains under climate change scenarios: A multimodel approach. Science of The Total Environment 888: 164123. ISSN 0048-9697. https://doi.org/10.1016/j.scitotenv.2023.164123. IF: 9.8. SJR: 1.95. Q1.

Pretzsch H, M Heym, T Hilmers, A Bravo-Oviedo, S Ahmed, C Ammer, A Avdagić, K Bielak, F Bravo, G Brazaitis, M Fabrika, V Hurt, V Kurylyak, M Löf, M Pach, Q Ponette, R Ruiz-Peinado, D Stojanovic, M Svoboda, B Wolff, T Zlatanov, M del Río. 2023. Mortality reduces overyielding in mixed Scots pine and European beech stands along a precipitation gradient in Europe. Forest Ecology and Management 539: 121008. ISSN 0378-1127. https://doi.org/10.1016/j.foreco.2023.121008. IF: 3.7. SJR: 1.18. Q1.

Keith H, Z Kun, S Hugh, M Svoboda, M. Mikoláš, D Adam, D Bernatski, V Blujdea, F Bohn, J Camarero, L Demeter, A Di Filippo, I Dutcă, M. Garbarino, F Horváth, V Ivkovich, Ā Jansons, L Ķēņina, K Kral, D Martin-Benito, J Molina-Valero, R Motta, T Nagel, M Panayotov, C Pérez-Cruzado, G Piovesan, C Roibu, P Šamonil, O Vostarek, M Yermokhin, T Zlatanov, B Mackey. 2024. Carbon carrying capacity in primary forests shows potential for mitigation achieving the European Green Deal 2030 target. Communications Earth and Environment, Nature Publishing Group 5: 256, ISSN : 2662-4435. https://doi.org/10.1038/s43247-024-01416-5. IF: 8.1. SJR: 2.835. Q1.

Leifsson C, A Buras, S Klesse, C Baittinger, B Bat-Enerel, G Battipaglia, F Biondi, B Stajić, M Budeanu, V Čada, J Camarero, L Cavin, H Claessens, K Čufar, M de Luis, I Dorado-Liñán, C Dulamsuren, B Garamszegi, M Grabner, A Hacket-Pain, J Hansen, C Hartl, W Huang, P Janda, A Jump, M Kazimirović, F Knutzen, J Kreyling, A Land, N Latte, F Lebourgeois, C Leuschner, L Longares, E del Castillo, A Menzel, R Motta, L Muffler-Weigel, P Nola, M Panayatov, A Petritan, I Petritan, I Popa, C Roibu, Á Rubio-Cuadrado, M Rydval, T Scharnweber, M Svoboda, E Toromani, V Trotsiuk, M Maaten-Theunissen, E Maaten, R Weigel, M Wilmking, T Zlatanov, A Rammig, C Zang. 2024. Identifying drivers of non-stationary climate-growth relationships of European beech. Science of The Total Environment 937: 173321, ISSN 0048-9697. https://doi.org/10.1016/j.scitotenv.2024.173321. IF: 8.2. SJR: 1.998. Q1

Panova K, T Zlatanov. B Nikolov. 2024. Avian Diversity Monitoring in Mountain Beech Forests using Acoustic Indices: a Case Study in the Belasitsa Nature Park, Bulgaria. Acta Zoologica Bulgarica 76 (3): 323-331. ISSN: 03240770. https://acta-zoologica-bulgarica.eu/september-2024/. IF: 0.4. SJR: 0.216. Q4.

Panova KP, Marinov MP, Nikolov BP. 2025. Vocal Activity Rate of the Semi-Collared Flycatcher Ficedula semitorquata is Associated with Forest Features. Ardeola: International Journal of Ornithology, 72(2): 289-301. https://doi.org/10.13157/arla.72.2.2025.sc3. IF: 1.4 SJR: 0.459 Q2

Zlatanov T, N Tsvetanov, T Tonchev, M Zlatanova, G Gogushev, G Hinkov. 2025. Structural diversity as an indicator of forest degradation in Quercus robur stands along the Tundzha river, Southeast Bulgaria. Nature Conservation 59: 301–314. https://doi.org/10.3897/natureconservation.59.160003. IF: 2.1. SJR: 0.556. Q2 Scopus.

Haase P., D.E. Bowler, N.J. Baker, N. Bonada, S. Domisch, J.R.G. Marquez, J. Heino, D. Hering, S.C. Jähnig, A. Schmidt-Kloiber, R. Stubbington, F. Altermatt, M. Álvarez-Cabria, G. Amatulli, D. Angeler, G. Archambaud-Suard, I. Arrate Jorrín, T. Aspin, I. Azpiroz, I. Bañares, J. Barquín Ortiz, C.L. Bodin, L. Bonacina, R. Bottarin, M. Canedo-Arguelles, Z. Csabai, T. Datry, E. de Eyto, A. Dohet, G. Dörflinger, E. Drohan, K.A. Eikland, J. England, T.E. Eriksen, V. Evtimova, M.J. Feio, M. Ferréol, M. Floury, M. Forcellini, M. Eurie Forio, R. Fornaroli, N. Friberg, J.-F. Fruget, G. Georgieva, P. Goethals, M.A.S. Graça, W. Graf, A. House, K.-L. Huttunen, T.C. Jensen, R.K. Johnson, J.I. Jones, J. Kiesel, L. Kuglerová, A. Larranaga, P. Leitner, L. L’Hoste, M.-H. Lizée, A.W. Lorenz, A. Maire, J.A. Manzanos Arnaiz, B.G. McKie, A. Millán, D. Monteith, T. Muotka, J.F. Murphy, D. Ozolins, R. Paavola, P. Paril, F.J. Peñas, F. Pilotto, M. Polášek, J. Jessen Rasmussen, M. Rubio, D. Sánchez-Fernández, L. Sandin, R.B. Schäfer, A. Scotti, L.Q. Shen, A. Skuja, S. Stoll, M. Straka, H. Timm, V.G. Tyufekchieva, I. Tziortzis, Y. Uzunov, G:H. van der Lee, R. Vannevel, E. Varadinova, G. Varbiro, G. Velle, P.F.M. Verdonschot, R.C.M. Verdonschot, Y. Vidinova, P. Wiberg-Larsen, E.A.R. Welti (2023).  The recovery of European freshwater biodiversity has come to a halt. Nature (2023). https://doi.org/10.1038/s41586-023-06400-1 https://www.nature.com/articles/s41586-023-06400-1. IF2023:69.504, SJR2022:20,957, [Scopus2022 Q1]

Varadinova, E.; Gecheva, G.; Tyufekchieva, V.; Milkova, T. Macrophyte- and Macrozoobenthic-Based Assessment in Rivers: Specificity of the Response to Combined Physico-Chemical Stressors. Water. 2023, 15, 2282. https://doi.org/10.3390/w15122282 – https://www.mdpi.com/2073-4441/15/12/2282 IF2022:3.4, SJR2022:0.72, [Scopus2022 Q1]

Kazakov S., Stoianova D., Apostolou A., Velkov B., Borisov B., Pavlova M., Luchezar P. 2026. Distribution and Population Parameters of Brown Trout Salmo Trutta Linnaeus, 1758 (Actinopterygii: Salmonidae) in West Aegean Basin in Bulgaria in Response to Hydromorphological Pressure and Climate Changes. Acta. Zool. Bulg., 78(1): 47-59 IF2024:0,5 SJR2024:0,226 [Scopus2024 Q3]

Apostolou A. & Velkov B. 2026. When Institutional Scales Contradict Ecological Ones: the Case Study of Mesta (Nestos) River. Acta. Zool. Bulg., 78(1): 41-46. IF2024:0,5 SJR2024:0,226 [Scopus2024 Q3]Gecheva G, Varadinova E, Tyufekchieva V, Ganeva A, Voutsadaki S, Saru M-L, Nikolaidis N. Tracing Nitrogen Distribution and Biotic Responses in Spring-Fed Karst Rivers: A Pilot Study. Environments. 2026; 13(3):142. https://doi.org/10.3390/environments13030142 IF2024:3,7 SJR2024:0,831 [Scopus2024 Q1]

Mitseva V., Isheva T., Ihtimanska M., Varadinova E. 2026. Impact of Coal-Fired Power Plant Activities on the Ecological Status of River Ecosystems: Case Study of Sokolitsa River, Bulgaria. Environments (in press) IF2024:3,7 SJR2024:0,831 [Scopus2024 Q1]

Berov D., Bobchev N., Klayn S., Karamfilov V., Daskalov G., IBER-BAS (2024). IBER-BAS Black Sea 2021-2023 Burgas Bay survey, water column parameters. SEANOE. https://doi.org/10.17882/98168

Berov, D., Klayn, S., Deyanova, D., & Karamfilov, V. (2022). Current distribution of Zostera seagrass meadows along the Bulgarian Black Sea coast (SW Black Sea, Bulgaria)(2010-2020). Biodiversity Data Journal, 10. https://bdj.pensoft.net/article/78942/   [Scopus Ecology Q2]

Berov Dimitar, Klayn Stefania, Bobchev Nikola, Karamfilov Ventzislav, IBER-BAS (2022). IBER-BAS Black Sea BRIDGE-BS 2022 coastal survey PS2 ‘water column’. SEANOE. https://doi.org/10.17882/98140

Berov Dimitar, Bobchev Nikola, Klayn Stefania, Karamfilov Ventzislav, Daskalov Georgi, IBER-BAS (2024). IBER-BAS Black Sea 2021-2023 Burgas Bay survey, water column parameters. SEANOE. https://doi.org/10.17882/98168

Bobchev, N., Berov, D., Klayn, S., Karamfilov, V. High microplastic pollution in marine sediments associated with urbanised areas along the SW Bulgarian Black Sea coast. Marine Pollution Bulletin, 209, 2024, DOI:10.1016/j.marpolbul.2024.117150, 117150-117150. JCR-IF (Web of Science):5.3 Q1, не оглавява ранглистата (Web of Science)

Bobchev N., Berov D., Karamfilov V. (2023). Floating marine litter monitoring in Burgas Bay, Black Sea (09.2021-12.2023). IBER-BAS BRIDGE-BS WP5 survey. SEANOE. https://doi.org/10.17882/98351 

Graversen, A.E.L., Lønborg, C., Addamo, A.M., Pedersen, S.G., Chemello, S., Alejo, I., Apostolaki, E.T., Asplund, M.E., Austin, W.E.N., Berov, D., Berto, D., Björk, M., Black, K., Bobchev, N., Bonaglia, S., Borgersen, G., Bouma, T., Costello, M.J., Dahl, M., Diaz-Almela, E., Dimitriou, P.D., Duarte, C.M., Dueñas, C.L., Efthymiadis, P.T., Elosegui, I.M., Espinosa, M.R., Filipsson, H.L., Fontela, M., Fredriksen, S., Frigstad, H., Gagnon, K., Garcia-Escudero, C.A., Giani, M., Grouhel-Pellouin, A., Guerra, R., Gullström, M., Gundersen, H., Hancke, K., Majtényi-Hill, C., Hunt, C., Inostroza, K., Karakassis, I., Karamfilov, V., Klayn, S., Koziorowska, K., Kuliński, K., Lavery, P., Lenstra, W.K., Lillebø, A.I., Logemann, E., Magni, P., Marbà, N., Marco-Mendez, C., Martins, M., Mateo, M.A., Monnier, B., Mueller, P., Neto, J.M., Papageorgiou, N., de Rezende, C.E., Pardo, J.C.F., Peña, J.A.J.D.L., Pergent, G., Piñeiro-Juncal, N., Preston, J., Rampazzo, F., Reithmaier, G., Reusch, T., Reynolds, S., Ricart, A.M., Santos, R., de los Santos, C.B., Santos, I.R., Serrano, E., Serrano, O., Slomp, C.P., Smeaton, C., Soler, M., Sousa, A.I., Spiegel, T., Stevenson, A., Thormar, J., Trannum, H.C., van Helmond, N.A.G.M., Paradis, S., Vizzini, S., Ward, E.A., Yau, Y.Y.Y., Zakhama-Sraieb, R., Zribi, I., Zygadlowska, O.M., Jensen, D.K.. A marine and salt marsh sediment organic carbon database for European regional seas (EURO-CARBON). Data in Brief, 2025, DOI:10.1016/j.dib.2025.111595, 111595-111595. JCR-IF (Web of Science):1.4 Q3 (Web of Science)

Karamfilov Ventzislav, Bobchev Nikola, Klayn Stefania, Berov DImitar (2022). Nutrient and oxygen sediment-water fluxes in Burgas Bay. 2022 IBER-BAS BRIDGE-BS WP5 survey. SEANOE. https://doi.org/10.17882/98331

Mihova, S., Doncheva, V., Stefanova, K., Stefanova, E., Popov, D., Panayotova, M. (2023). Plastic Ingestion by Phocoena Phocoena and Tursiops Truncatus from the Black Sea. In: Dobrinkova, N., Nikolov, O. (eds) Environmental Protection and Disaster Risks. EnviroRISKs 2022. Lecture Notes in Networks and Systems, vol 638. Springer, Cham. https://doi.org/10.1007/978-3-031-26754-3_26 [Scopus Q4]

Stefanova K.S., Moncheva S.P., Stefanova E.S., Slabakova N.H., Dzhembekova N. S., Marinova V.M., Slabakova V.H., Valcheva N.N., Doncheva V.G., Todorova V.R., Hineva E.V., Dencheva K. Long-Term Ecological Research (LTER) and monitoring of marine ecosystem components at Black Sea – macrosite. Book of Abstract of International scientific conference “Marine ecosystems: research and innovations”, 27-29 October, 2021, Odessa, Ukraine, 75 pp.

Kaludova-Stoyanova T., Stefanova K., Slabakova V., Petkov I., Panayotov V. 2025. Methodology for jellyfish research in the Black Sea using UAV., Eleventh International Conference on Remote Sensing and Geoinformation of the Environment (RSCy2025), edited by Andreas Christofi, et al., Proc. of SPIE Vol. 13816, https://doi.org/10.1117/12.3073302

Karcheva Z., Angelov S., Anev S. 2025. Acclimation changes in photosynthesis of Fagus sylvatica, Populus tremula, and Acer platanoides after natural disturbance. Foresry Ideas 31(Special Issue 1): 65-76. ISSN:2603-2996. https://forestry-ideas.info/issues/issues_Download.php?download=546, Q4

Anev S. 2025. Comparative study of the distribution and phenology of Quercus cerris, Quercus frainetto and Quercus petraea in Bulgarian forests. Foresry Ideas 31(2): 96-109, Article 25-581. ISSN:2603-2996. https://forestry-ideas.info/issues/issues_Download.php?download=575, Q4

Anev S. 2025. Leaf phenology and vegetation period of European beech (Fagus sylvatica L.) forests in Bulgaria. Foresry Ideas 31(2): 3-14. ISSN:2603-2996. https://forestry-ideas.info/issues/issues_Download.php?download=540, Q4

Anev S. 2025. Assessment of ice-storm damage in forests using remote sensing. Forestry Ideas 31(1): 61-73. ISSN:2603-2996. https://forestry-ideas.info/issues/issues_Download.php?download=532, Q4

Anev S., Karcheva Z., Zhiponova M., Chaneva G. 2025. Biochemical acclimation of European beech (Fagus sylvatica L.) saplings to canopy opening. Foresry Ideas 31(1): 22-36. ISSN:2603-2996. https://forestry-ideas.info/issues/issues_Download.php?download=529, Q4

Anev S., Damyanova S. 2026. Monitoring European beech phenology in two long-term ecological research sites by remote sensing. Journal of the Bulgarian Geographical Society 54: 43-58. https://doi.org/10.3897/jbgs.e163188, Q3

Ruseva, S., Doychev, D. (2025). First record of the invasive Neoclytus acuminatus (Fabricius, 1775) (Coleoptera: Cerambycidae) in Bulgaria. Acta Zoologica Bulgarica, 77(3), 303-308. ISSN: 0324-0770 (Print), DOI: 10.71424/azb77.3.002875, Q3

Anev S. 2024. Light acclimation of European beech (Fagus sylvatica L.) saplings after canopy destruction. Foresry Ideas 30(1): 66-78., Q4

Anev, S., Damyanova, S. 2024. Seasonal variations of gas exchange parameters in mono-dominated by Fagus sylvatica and Picea abies stands. Bulgarian Journal of Agricultural Science, 30(Supplement 1), 138-143. WoS IF (2024): 0.5 (Q4), SJR (2024): 0.183 (Q3)

Anev, S., Tonchev, T., Dimitrova, V., Damyanova, S. 2023. Methodological approach for long-term ecological research in forest sites. Ecologia Balkanica, 15(2), pp. 174-181. (2022 SJR 0.2, Q4, Scopus)

Anev, S. 2023. Altitudinal and latitudinal variation in leaf phenology of European beech (Fagus sylvatica L.) in Western Bulgaria. Forestry ideas, 29(2):245-257. Scopus, Q4.

Ботева С., Жиянски М., Кирова Л., Караиванов Н. 2023. Динамика на почвената ензимна активност в тревно местообитание, Сборник научни трудове от 32 Международна научна конференция „Екология и управление на горските ресурси”, 184-187.

Alexandrova Y., Boteva S., Zhiyanski M, Dimitrov D.P., Kirova L. 2024. Spatial dynamics of soil microbial enzyme activity in coniferous forest in Parangalitsa Reserve, Rila Mountain, Bulgaria, Наука за гората, Специално издание, 13-25.

Stoeva, L., Zhiyanski, M. 2024. Comparative assessment of SoilGrids system with regional soil data for advancing ecosystem reporting in Bulgaria.One Ecosystem 9: e133091, doi: 10.3897/oneeco.9.e133091, Q1, SJR : 0.787, IF : 1.9

Georgieva, M. Georgiev, G., Zhiyanski, M. 2025. Natural forests health assessment in ‘Parangalitsa’ Reserve, Rila Mountain. Silva balcanica 26(2), 5-11, doi: 10.3897/silvabalcanica.26.e151618

Величков, И., Хинков, Г., Димитров, Д.П., Жиянски, М. 2025. Структура на високопланинска смърчова гора в резерват “Парангалица”. Наука за гората, 1, 35-48.

Todorova, E., Zhiyanski, M. 2025. Integrating Spectral Indices and Climate Data to Monitor Ecological Changes in Protected Areas (Poster). ARPHA Conference Abstracts 8: e149037 doi: 10.3897/aca.8.e149037
Todorova, E., Zhiyanski, M. 2025. Spatial and temporal exploration of NDVI, LAI, and SMI in coniferous forests: Detecting changes in Parangalitsa Reserve. Journal of the Bulgarian Geographical Society 52: 59-78. https://doi.org/10.3897/jbgs.e140222, Q2, SJR : 0.515

Жиянски, А., Тодорова, M. 2025. Социо-eкологичният прочит на перспективите за развитие на защитена територия – резерват „Парангалица”. Сборник Доклади от 34 Международна Научна Конференция „Мениджмънт и Качество”. Екология и управление на горските екосистеми, 5 Юни 2025 г.

Ivanova N., Simeonov P., Petrov M., Marinov M. P. & Michev B. T. 2025. Long-Term Changes in the Breeding Success of the Dalmatian Pelican Colony in the Srebarna Nature Reserve (NE Bulgaria) and Conservation Measures Over the Years. Acta Zoologica Bulgarica 77 (4): 479-494. SJR 2024 (Scopus): 0.226, JCR-IF 2024 (Web of Science): 0.5. Q4 https://acta-zoologica-bulgarica.eu/002835-2/

Mitseva V., Isheva T., Ihtimanska M., Varadinova E. 2026. Impact of Coal-Fired Power Plant Activities on the Ecological Status of River Ecosystems: Case Study of Sokolitsa River, Bulgaria. Environments (in press).

Vidinova Y, Beshkova MB, Gyosheva BP, Ihtimanska M, Kazakov S, Tsavkova V, Ivanova N Changes of Biological Quality Elements during rehabilitation activities in LTER site Srebarna Lake,Lake, (LTER EU BG 007 SREBARNA), ARPHA Conference Abstracts 8 e 151267, https doi org/ 10 3897 /aca 8 e 151267

Dimov P, Kazakov S, Isheva T, Ivanova N 2025 Integrated Remote Sensing for Mapping and Monitoring Srebarna Lake Ecosystem, Bulgaria, ARPHA Conference Abstracts 8 e 150780, https://doi org/ 10 3897/aca 8 e 150780

Katrandzhiev, K.; Gocheva, K.; Bratanova-Doncheva, S. Whole System Data Integration for Condition Assessments of Climate Change Impacts: An Example in High-Mountain Ecosystems in Rila (Bulgaria). Diversity 2022, 14, 240. https://doi.org/10.3390/d14040240

Gocheva K, Petrov V, Dimitrova D, Kostadinva – Ilkova S, Lazarova S, Bratanova-Doncheva S, Zlatanov T, Lozanova L, Fikova R, Zhiyanski M, Todorova E, Kirova L, Varadinova E, Georgieva G (2025) Stakeholder – centered replacement of crosswalks with a knowledge graph: the case of ecosystem services. ARPHA Conference Abstracts 8: e157045. https://doi.org/10.3897/aca.8.e157045

Lozanova L, Pavlov P, Fikova R, Bratanova-Doncheva S, Zlatanov T, Lazarova S (2025) Soil microbiome diversity in selected broadleaf forests of Belasitsa Mountain: A High-Throughput Sequencing approach. ARPHA Conference Abstracts 8: e151247. https://doi.org/10.3897/aca.8.e151247