Mihaela Beshkova
Personal information
- Contacts
Institute of Biodiversity and Ecosystem Research
Bulgarian Academy of Sciences
1000 Sofia, Bulgaria
Phone: +359-2-9885115 (606)
Fax: +359-2-9882897
e-mail: beshkova_m@yahoo.com
URL: http://www.iber.bas.bg/?q=enPrivate address:
Res.distr. Mladost IV, flat 411, entr.6, app. 28
1715, Sofia, Bulgaria
Phone : +359-0876820870- Curriculum vitae
Background details
Date and place of birth: 29 December 1964; Sofia, BulgariaNationality: Bulgarian
Employment and academic vita
2018 – at present: Associate Professor (Hydrobiology), Institute of Biodiversity and Ecosystem Research (IBER), Department of Aquatic Ecosystems, Bulgarian Academy of Sciences
2010 – 2018: Research Associate, Institute of Biodiversity and Ecosystem Research (IBER), Department of Aquatic Ecosystems, Bulgarian Academy of Sciences
1997 – 2010 Research Associate, Department of Hydrobiology, Institute of Zoology, Bulgarian Academy of Sciences
1992-1997 Biologist, Department of Hydrobiology, Institute of Zoology, Bulgarian Academy of Sciences
1990 - 1992 Post-graduate student, Department of Hydrobiology and Ichthyology, Faculty of Biology, University of Sofia
1987 - 1989 Biologist, Department of Hydrobiology and Ichthyology, Faculty of Biology, University of Sofia
Degrees
1996 PhD thesis: "Structure and dynamics of the phytoplankton in the Struma River- Pchelina Reservoir System under the influence of anthropogenic pollution”, Institute of Zoology, Bulgarian Academy of Sciences, Sofia, BulgariaSupervisor: Prof. Dr. Naydenow T.V.
1987 MSc of Biology: at Sofia University, St. Kliment Ohridsky, Sofia, Bulgaria
Teaching experience
1990 – 1993 Part-time Assistant, Faculty of Biology, Sofia University, St. Kliment Ohridsky, Sofia, Bulgaria
Languages
Bulgarian: native language
English: good
Russian: good
French: basic skills- Research interests
Freshwater phytoplankton – structure and dynamics; Functional groups of phytoplankton; Ecology of freshwater ecosystems; WFD; Phytoplankton of wetlands, lakes, reservoirs; Dreissena polymorpha impact on the phytoplankton, Interaction between phytoplankton and other aquatic groups
- Publications
Beshkova, M. B., Kalchev, R. K., Gyosheva, B. P., Belkinova, D. S., Klayn, S. L. 2022. “Phytoplankton community of the pelagic and the macrophyte-rich littoral zone in some Bulgarian inland waters”. Transylvanian Review of Systematical and Ecological Research, 24, 3: 23-34, ISSN:2344-3219, DOI:10.2478/trser-2022-0017.
Kalchev, R., Beshkova M., Kalcheva H., 2020. “Methodological remarks about determination of phytoplankton chlorophyll-a and its usage”. Comptes Rendus de l’Académie Bulgare des Sciences, 73, 4: 498-505, ISSN:1310-1331, SJR (Scopus):0.218, JCR-IF (Web of Science):0.343 Q2 (Web of Science)
Gyosheva B., Kalchev R., Beshkova M., Valchev V., 2020. “Relationships between macrophyte species, their life forms and environmental factors in floodplain water bodies from the Bulgarian Danube River Basin”. Ecohydrology & Hydrobiology, 20, 1:123-133, ELSEVIER, ISSN:1642-3593, DOI:https://doi.org/10.1016/j.ecohyd.2019.06.003,. SJR (Scopus):0.531 Q2 (Scopus)
Terziyski, D., Beshkova M., Kalchev R., Kalcheva H., Iliev I., 2018. “Relationships of water column transparency, total phosphorus and chlorophyll-a in reservoirs with and without Dreissena spp. (Bivalvia: Mollusca)”. Acta zoologica bulgarica, 70, 3: 389-3952018, ISSN:0324-0770,. JCR-IF (Web of Science):0.278 Q4 (Web of Science)
Kalchev, R., Beshkova, M., Evtimova, V., Fikova, R., Kalcheva, H., Tzavkova, V., Vassilev, V., 2018. “Long-term trophic changes in Bulgarian–Romanian Danube River section and in adjacent wetland on Bulgarian territory during its restoration”. SASA, Službeni glasnik, Belgrade, 2018, ISBN:978-86-7025-779-5, 55-77.
Kozuharov D., Kalchev R., Beshkova M., Stanachkova M., Kenderov L., Vasilev V., Trichkova T., 2017. “Occurrence of the alien freshwater jellyfish Craspedacusta sowerbii Lankester, 1880 (Cnidaria: Hydrozoa) in some Bulgarian reservoirs”. Acta Zoologica Bulgarica, Supplement 9: 67-72, 2017, ISSN:0324-0770,. SJR (Scopus):0.217, JCR-IF (Web of Science):0.369 Q3 (Web of Science)
Kalcheva, H., Beshkova, M., Kalchev, R., 2017 “Bacterioplankton and its relations to environmental factors and the presence of invasive mussels Dreissena spp. in three Bulgarian reservoirs”. Acta Zoologica Bulgarica, Suppl. 9: 161-170, ISSN:0324-0770,. ISI IF:0.369 Q3 (Web of Science)
Beshkova, M., Belkinova, D., Kalchev, R., Kalcheva, H., Mladenov, R., Stojanov P., 2017. “Influence of Dreissena polymorpha (Pallas, 1771) (Mollusca: Bivalvia) on phytoplankton and physicochemical characteristics of Bulgarian reservoirs”. Acta Zoologica Bulgarica, Supplement 9: 171-180, 2017, ISSN:0324-0770,.SJR:0.301, ISI IF:0.369 Q3 (Web of Science).
Kalcheva H., Stoichev S., Beshkova M., Kalchev R., Stanachkova M., Kozuharov D., Trichkova T. “The effect of Dreissena polymorpha on bacterioplankton, nematode fauna and their relations to environmental factors in Ogosta Reservoir (Danube Basin)”. Transylvanian Review of Systematical and Ecological Research, 18, 1:23-34, University "Lucian Blaga" of Sibiu, 2016, ISSN:2344-3219, DOI:10.1515/trser-2015-0077.
Kalchev R., Berczik Á., Beshkova M., Dinka M., Kalcheva H., Kiss A., Ágoston-Szabó E., 2016. “Trophic status and phytoplankton limitation conditions in selected Bulgarian and Hungarian Danube River wetlands”. Transylvanian Review of Systematical and Ecological Research, 18, 2:19-28, University "Lucian Blaga" of Sibiu, 2016. ISSN:2344-3219
Kalchev R., Beshkova M., Kalcheva H., 2016. “Trophic relationships and status of reservoirs with and without occurrence of Dreissena spp. (Mollusca: Bivalvia) built on Bulgarian Danube River tributaries”. Transylvanian Review of Systematical and Ecological Research, 18, 1: 13-22. ISSN:2344-3219
Beshkova M., R. Kalchev, S. Cheshmedjiev, 2016. “Phytoplankton assemblage pattern of eighteen high mountain lakes in Rila Mountains (Bulgaria) in relation to the environmental factors”. Comptes rendus de l’Acad´emie bulgare des Sciences, 69, 4: 459-466. Professor Marin Drinov, 2016, ISSN:1310–1331,. ISI IF: 0.233 Q4 (Scopus).
Kenderov, L., Pavlova, M., Trichkova, T., Tyufekchieva, V., Vidinova, Y., Kozuharov, D., Botev, I., Hubenov, Z., Uzunov, Y., Stoichev, S., Beshkova, M., Kalcheva, H., Kalchev, R., 2014. “Trophic state and trophic structure in three Bulgarian reservoirs”. Acta Zoologica Bulgarica, 66, 2: 247-254. ISSN:0324-0770,. JCR-IF (Web of Science):0.532 Q3 (Web of Science).
Kalcheva, H., Kalchev, R., Beshkova, M., 2014 "Bacterioplankton of wetlands along the Lower Danube River (Bulgaria) and its relation to environmental factors". Acta zoologica bulgarica, Suppl. 7: 83-89. ISSN:0324-0770, ISI IF:0.532 Q3 (Web of Science).
Kalchev, R, Beshkova, M, Botev, I., Kalcheva, H, Kenderov, L., Kozuharov, D, Trichkova, T., 2014. “Relation of transparency, dissolved oxygen and pH to Dreissena spp. occurrence in Bulgarian standing waters”. Acta zoologica bulgarica, 66, 3: 389-397. ISSN:0324-0770,. JCR-IF (Web of Science):0.532 Q3 (Web of Science).
Kalchev, R., Dinka M., Beshkova, M., Kalcheva, H., Berczik, A., Agoston-Szabo, E., 2014. “Factors influencing the chemical characteristics and nutrient retention/release potential of wetlands in the Middle (Hungarian) and Lower (Bulgarian) Danube River”. Acta zoologica bulgarica, Suppl. 7: 75-81. ISSN:0324-0770, ISI IF:0.532 Q3 (Web of Science).
Beshkova M., Kalchev R., Kalcheva H. “Phytoplankton in the Zhrebchevo reservoir before and after invasion of Dreissena polymorpha”. Acta zoologica bulgarica, 66, 3, 2014, ISSN:0324-0770, 399-409. ISI IF:0.532 Q3 (Web of Science)
Kalchev R.K., M.B.Beshkova, I.S.Botev, H.V.Kalcheva, D.St. Kozhuharov, T.A. Trichkova. 2013. "Effect of Dreissena polymorpha (Bivalvia: Dreissenidae) on physicochemical characteristics of Zhrebchevo Reservoir (Central Bulgaria.)". Proceedings of Bulgarian Academy of Sciences, 66 (11): 1571 – 1578.
Kalchev R.K. V. P. Vasilev V. Tzavkova M. B. Beshkova. 2012. "Changes of water transparency, plankton primary production and chlorophyll-a in the course of Srebarna Lake recovery_ In: Uzunov et al.(Editors) “Ecosystems of the Biosphere Reserve Srebarna Lake”, Professor Marin Drinov Academic Publishing House, Sofia, 2012: 57 -69.
Beshkova M.B., R. K. Kalchev, V. Vasilev. 2012. "Taxonomical and functional structure, species diversity and abundance of Phytoplankton in the Srebarna lake in relation to changes of ecological conditions". In: Uzunov et al. (Editors) “Ecosystems of the Biosphere Reserve Srebarna Lake”, Professor Marin Drinov Academic Publishing House, Sofia, 2012: 39-57.
Kalchev, R., M. Beshkova, H. Kalcheva, S. Kazakov, V. Nikolov, M. Pavlova, L. Pehlivanov, V. Tzavkova, 2012. "Morphological, topographical and physicochemical characteristics of Bulgarian Danube River wetlands". In: Proceedings of 39th IAD Conference “Living Danube” 21-24 August, 2012, Szentendre, Hungary, p. 71-80.
ISBN 978-963-8391-53-7 http://www.iad.gs/docs/IAD39_Proceeding_Book_lores.pdf#page=261Kalcheva H., M. Beshkova and R. Kalchev, 2011. Bacterioplankton and its interactions with environmental factors in the wetlands on Belene island (Lower Danube, Bulgaria)_ "Wetlands: functioning, management and restoration" 16th to 19th October 2011, Albena Resort, Varna. Abstract p. 48-49 http://www.wetlanet.org/documents/conference-programme
Kalcheva H., M. Beshkova, D. Terziyski, A.Ivanova, K. Dochin, L. Pehlivanov, V. Vasilev, V. Tsavkova, I. Botev and R. Kalchev, 2010. Trophic cascades in the pelagic food webs and abiotic changes as driving forces of bacterioplankton size structure in shallow anthropogenically manipulated and natural ecosystems and in reservoirs infested by Dreissena polymorpha in Bulgaria._ Third International Workshop of the ESF Research Networking Programme SIZEMIC, Institute of Marine Sciences, June 21-25, 2010, Barcelona, Spain, poster 8.
Kalchev R., M. Beshkova, L.Pehlivanov, 2010. First records on effect of renewed flooding of three wetlands from Belene Island (Lower Danube, Bulgarian stretch)._ 38th IAD Conference „Large River Basins – Danube meets Elbe; Challenges – Strategies – Solutions”, 22–25 June 2010, Dresden, Germany: 91 p.
Beshkova М., R. Kalchev, L. Pehlivanov, V. Vassilev. Phytoplankton composition and abundance in Srebarna Lake and adjacent temporary wetlands (Bulgarian floodplain of the Lower Danube River)._ 38th IAD Conference „Large River Basins – Danube meets Elbe; Challenges – Strategies – Solutions”, 22–25 June 2010, Dresden, Germany: 127 p.
Beshkova M., R. Kalchev, V. Vasilev, G. Hiebaum, V. Tzavkova, 2009. Changes of the phytoplankton assemblage and related characteristics in the Srebarna Lake (Northeastern Bulgaria) after restoration activities._In: COST action 869 “Mitigation options for nutrient reduction in surface water and groundwatres”, 06 – 08 May 2009 Keszthely, Hungary (http://www.cost869.alterra.nl/Hungary/Hungary_proceedings.pdf)
Kalcheva H., M. Beshkova, L. Pehlivanov, R. Kalchev. 2008. Bacterioplankton dynamics and the influence of environmental factors on it in the Srebarna Lake._ 3rd International Conference BALWOIS 2008, 27-31 May 2008, Ohrid, Republic of Macedonia. Proceedings: abstract and full version - FP119, www.balwois.com
Raikova-Petrova G. N., I.K. Petrov, N.I.Hamwi & M.B. Beshkova. 2008. The food of chub (Leuciscus cephalus) from the middle stream of Iskar River (Bulgaria).- Acta zool.bulg.,Suppl.,2:269-273. ISSN: 0324-0770
Beshkova M.B., R.K. Kalchev & H. V. Kalcheva, 2008. Phytoplankton and bacterioplankton in three reservoirs (North East Bulgaria) accepted as a potential referent sites according the Water Framework Directive of EU._ Acta zool.bulg.,Suppl.,2:155-164. ISSN: 0324-0770
Beshkova M.B, R.K. Kalchev, V. Vasilev, R. L. Tsvetkova. 2008. Changes of the phytoplankton abundance and structure in the Biosphere Reserve Srebarna (Northeastern Bulgaria) in relation to some environmental variables._-Acta zool.bulg.,Suppl.,2:165-174. ISSN: 0324-0770
Kalchev R., Ionica D., Beshkova M., Botev I & C. Sandu 2008. Long-term and seasonal changes of nutrients, seston and phytoplankton concentrations in the Lower Danube (Bulgarian-Romanian stretch)._Fundam.Appl.Limnol./Large Rivers/ Vol.18, №1-2, 25-43. ISSN: 1863-9135
Beshkova M., R. Kalchev, I. Botev, 2007. Bulgarian Water Reservoirs: Phytoplankton and Related Physical and Chemical Factors.- Journal of Balkan Ecology vol.10, 1:13-28. ISSN: 1311-0527
Kalchev R, M. Beshkova, R. Musa, C. Sandu, 2006. Seasonal and long-term changes of phytoplankton abundance in the Bulgarian-Romanian Danube River stretch.- In: Proceedings 36th International Conference of IAD. Austrian Committee DanubeResearch / IAD, Vienna. ISBN 13: 978-3-9500723-2-7. pp.:189-194.
Beshkova, M., D. Saiz, 2006. Phytoplankton of the Yasna Polyana reservoir (Southeastern Bulgaria). Phytologia Balcanica, 12(1): 37-46. ISSN: 1310-7771.
Kalchev R., M. Beshkova., A. Kurejshevich, D. Saiz†, 2004. Influences of Division Predominance and Algal Size on Relationship between Chlorophyll-a and Biovolume of Phytoplankton. Journal of Balkan Ecology, vol.7 (1): 59-65 ISSN: 1311-0527.
Beshkova M.B., I.S. Botev, 2004. Phytoplankton community structure of three temporary wetlands at Belene Island (Bulgarian sector of the Danube River).- Phytologia Balcanica, 10 (1): 9-16.
Kalchev R., M. Beshkova., D. Saiz†, 2003. Algal Size Influence on Relationship between Chlorophyll-a and Biovolume of Phytoplankton. Journal of Balkan Ecology, vol.6 (4):403-408 ISSN: 1311-0527
Beshkova M, W. Naidenow, Ch. Kochev, I. Botev, 2003. Biological characteristics and zooplankton-phytoplankton interactions of the marshes on the Belene island (the Danube River, Bulgaria).Acta Zoologica Bulgarica, 55(3):65-80 ISSN: 0324-0770
Kalchev R. K., L. Z. Pechlivanov and M. B. Beshkova, 2002. Trophic relations in two lakes from the Bulgarian Black Sea coast and possibilities for their restoration. Water Science and Technology, vol.46, 8:1-8.
Kalchev R. K., M. B. Beshkova, I. S. Botev, 2000. Water quality gradients in Pchelina impoundment and their relations to the theoretical retention time.- In: Fifth BNAWQ scientific and practical conference: Water quality technologies and management in Bulgaria, Second seminar, Private participation in water supply and sewerage services, 22-24 02.2000, Sofia, Bulgaria:170-177.
Kalchev R. K., M. B.Beshkova, R. L.Tsvetkova, I. S. Botev. 2000. Phytoplankton composition and structure of three sand - pit - lakes at different stage of their succesional development.- Phytologia Balcanica, 6(1), Sofia, 119 –131. ISSN: 1310-7771.
Naidenow W., M. Beshkova.2000. Quantitative Development and Vertical Distribution of Plankton in Sedemte Ezera Lakes (the Rila Mountains, Bulgaria). In: Golemansky, V., W. Naidenow (eds.).- Biodiversity and evolution of glacial water ecosystems in the Rila Mountains, Sofia, ”Prof. Marin Drinov” Academic Publishing House:137-154.
Beshkova M. 2000. The Phytoplankton of the Glacial High Mountain Lakes Sedemte Rilski Ezera (the Rila Mountains, Bulgaria). In: Golemansky, V., W. Naidenow (eds.).- Biodiversity and evolution of glacial water ecosystems in the Rila Mountains, Sofia, ”Prof. Marin Drinov” Academic Publishing House:105-124.
Naidenow, W.T., Beshkova M.B. 1999 с. A total biomass of the plankton. In: Peev D., S. Gerasimov, (eds.), Express and perspective methods for biological monitoring, Geya Libris, Sofia, 147 – 149 (in Bulgarian)
Naidenow, W.T., Beshkova M.B., 1999 b. A total numerical abundance of the plankton Сумарна численост на планктона.- In: Peev D., S. Gerasimov, (eds.), Express and perspective methods for biological monitoring, Geya Libris, Sofia, 142-147 (in Bulgarian).
Naidenow, W.T., Beshkova M.B. 1999 а. Species diversity of the plankton. In: Peev D., S. Gerasimov, (eds.), Express and perspective methods for biological monitoring, Geya Libris, Sofia, 138 – 142 (in Bulgarian).
Beshkova M. 1998. Phytoplankton of the Coastal lakes Shabla and Ezerets (Northeastern Bulgaria) during the period 1992-1994.- In: Biodiversity of Shabla Lake System,”Prof. Marin Drinov” Academic Publishing House, Sofia: 25-38.
Kalchev R. K., M. Beshkova, D. Saiz. 1997. Morphometry of some stagnant bulgarian water basins and its influence on trophy and size of phytoplankters.- In: Biodiversity and ecological problems of Balkan fauna, Abstracts, Sofia, 26-29, May 1997.
Kalchev R. K., M. B. Beshkova, Chr. Bumbarova, R., L.Tschvetkova, D. Saiz.1996. Some Allometric and non Allometric Relationships between Chlorophyl-a and Abundance variables of Phytoplankton.- Hydrobiologia, 341:235-245.
Beshkova, M. 1996. Horizontal distribution of the phytoplankton and characteristics of the Struma River - Pchelina Reservoir ecoton.- Hydrobiologiya (Sofia),40: 43-54.
Beshkova M. B, I.S.Botev. 1994. Seasonal and annual changes of the phytoplankton composition in the “Pchelina”.- Hydrobiologiya (Sofia), 39: 17-32 (in Bulgarian).
Affiliation
- Department
- Aquatic Ecosystems
- Division
- Biological Diversity and Processes in Fresh Water Ecosystems
- Research group
- Biodiversity, communities and processes in freshwater ecosystems
History
- Member for
- 10 years 14 weeks