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Georgi Daskalov

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Prof. Dr. Georgi M. Daskalov
Head, Division of Functional Ecology and Bioresources of Marine and Coastal Ecosystems
Laboratory of Marine Ecology
Institute of Biodiversity and Ecosystem Research (IBER-BAS)
Bulgarian Academy of Sciences


Curriculum vitae

Curriculum vitae
Pre-/Postdoctoral Education (what/when/where):
2012 Habilitation as a Professor in IBER-BAS, Bulgaria,
2001 Habilitation as a Senior Research Scientist, Superior Attestation Commission, Sofia, Bulgaria,
1998 Ph.D. Marine environmental sciences, U d’Aix-Marseille II, Centre d’Oceanologie de Marseille, France, Fisheries and long-term environmental change in the Black Sea,
1993 D.E.A. ~M.Sc., Marine environmental sciences, U. d’Aix-Marseille II, Centre d’Océanologie de Marseille, France,
1989 M.Sc Biology, Sofia University “St. Kliment Ohridski”, Bulgaria,

Title: Prof. Dr.

Current Position: Professor in the Institute of Biodiversity and Ecosystem Research (IBER-BAS), Laboratory of Marine Ecology, Bulgaria, Head of Division of Functional Ecology and Bioresources of Marine and Coastal Ecosystems

Employment(s) (in the last 10 years in chronological order and starting with recent):
2010-2012 Senior international scientist in the EU WETLANET project in IBER-BAS, Bulgaria
2002 2010 Senior scientist. Centre for Environment Fisheries and Aquaculture Science (Cefas, Pakefield Rd, Lowestoft, NR33 0HT, UK)
2001-2002 Senior scientist: Institute of Fisheries, Primorski Blrd, 9000 Varna, Bulgaria
2001. Visiting scientist in the Ministry of Fisheries (NatMIRC, Swakopmund, Namibia)
1989-2000. Research scientist, Institute of Fisheries, Primorski Blrd, 9000 Varna, Bulgaria

Research Interests: Black Sea fisheries and ecosystem, ecosystem ecology, trophic cascades, fisheries stock assessment and management, regime shift analysis

Areas of Expertise:
• Fish population dynamics, assessment and management: integrated stock assessment models, stock-recruitment, population models including environmental variables, overexploitation, biological reference points for management.
• Fisheries oceanography: long-term changes in marine ecosystems, climate regimes, teleconnections, anthropogenic influence, eutrophication.
• Fisheries ecosystems: food web models, "top-down” and “bottom-up” control, trophic cascades, natural and man-induced impacts on the ecosystems, reference points for ecosystem management, food-web modelling
• Statistical modeling: non-linear models, time-series, multivariate analyses.

Member of Scientific Advisory Committee(s):
2010-Present: EU Scientific, Technical and Economic Committee for Fisheries (STECF)
2010-2011: Senior International Consultant and Chair of WG on Ecosystem-based Management of Bioresources in the Caspian Sea CASPECO Program (UNOPS/UNDP)
2008-Present: Chair Study Group on Black Sea assessments within the EU Scientific, Technical and Economic Committee for Fisheries (STECF)
2004 Chair of theme session on Enclosed Seas on the 4th World Fisheries Congress, Vancouver Canada
2001-2004 SCOR/IOC WG 119 on Quantitative Indicators of Marine Ecosystem Change by Fisheries
2001-2004 GLOBEC/IOC Study Group on Environmental Indices in the Management of Pelagic Fish

1991-1995 “Environmental management of fish resources in the Black Sea” – International research project,
2001 EC INCO ENVIFISH (5th FWP EC) Interactions between small pelagic fish stocks and the environment in the Benguela ecosystem (Namibia, Angola, RSA, and EU partners)
2002-2005 EUROGEL (5th FWP EC) European gelatinous zooplankton: Mechanisms behind jellyfish blooms and their ecological and socio-economic effects
2003-2006EU TACIS Sustainable management of Caspian fisheries (Azerbaijan, Kazakhstan, Iran).
2005-2008 INCOFISH (6th FWP EC; 45 partners from Europe & developing nations). Integrating Multiple Demands on Coastal Zones with Emphasis on Aquatic Ecosystems and Fisheries
2006-2009 RECLAIM Resolving Climatic Impacts on fish stocks (6th FWP EC)
2007-2010 UNCOVER Understanding the Mechanisms of Stock Recovery (6th FWP EC)
2009 - 2013 KNOWSEAS Knowledge-based Sustainable Management for Europe’s Seas (7th FWP EC)
2010-2012 WETLANET, (7th FWP EC)
2012-2016- PERSEUS Policy-oriented marine Environmental Research in the Southern EUropean Seas (7th FWP EC)
2012-2016 COCONET Towards COast to COast NETworks of marine protected areas (from the shore to the high and deep sea), coupled with sea-based wind energy potential (7th FWP EC)
2014 -2016 MARE/2014/27, Evaluation of specific management scenarios for the preparation of multiannual management plans in the Mediterranean and the Black Sea
2016-2017 -FEMA Freshwater ecosystem services mapping and assessment in Bulgaria
2018 – 2019 MARE/2016/22, STrengthening REgional cooperation in the Area of fisheries biological data collection in the Mediterranean and Black Sea (STREAM)
2018 – 2019 RECFISH Recovery of fisheries historical time series for the Mediterranean and Black Sea stock assessment. EASME/EMFF/2016/
2018-2020 RECONNECT - Regional cooperation for the transnational ecosystem sustainable development (Interreg)
2021-2025 BRIDGE_BS - Advancing Black Sea Research and Innovation to Co-Develop Blue Growth within Resilient Ecosystems. EC Horizon 2020
2021-2025 EcoScope - Ecocentric management for sustainable fisheries and healthy marine ecosystems. EC Horizon 2020

Research interests

Black Sea fisheries and ecosystem, ecosystem ecology, trophic cascades, fisheries stock assessment and management, regime shift analysis


Selected papers
Tsikliras, A. C., Coro, G., Daskalov, G., Grémillet, D., Scotti, M., & Sylaios, G. (2023). Ecocentric fisheries management in European seas: Data gaps, base models and initial assessments, volume I. Frontiers in Marine Science, 10
Bastardie F, Feary DA, Brunel T, Kell LT, Döring R, Metz S, Eigaard OR, Basurko OC, Bartolino V, Bentley J, Berges B, Bossier S, Brooks ME, Caballero A, Citores L, Daskalov G, Depestele J, Gabiña G, Aranda M, Hamon KG, Hidalgo M, Katsanevakis S, Kempf A, Kühn B, Nielsen JR, Püts M, Taylor M, Triantaphyllidis G, Tsagarakis K, Urtizberea A, van Hoof L and van Vlasselaer J (2022) Ten lessons on the resilience of the EU common fisheries policy towards climate change and fuel efficiency – A call for adaptive, flexible and wellinformed fisheries management. Front. Mar. Sci. 9:947150. doi: 10.3389/fmars.2022.947150
Daskalov, GM, Demirel N, Ulman A., Georgieva, Y, and Zengin M. 2020 Stock dynamics and predator-prey effects of bonito and bluefish as top predators in the Black Sea. ICES JMS, 77 (7-8), 2995–3005 doi:10.1093/icesjms/fsaa182
Opdal AF, Brodeur RD, Cieciel K, Daskalov GM, Mihneva V, Ruzicka JJ, Verheye HM & Aksnes DL, 2019. Unclear associations between small pelagic fish and jellyfish in several major marine ecosystems. Scientific Reports, volume 9, Article number: 2997.,
Daskalov, G. M., Boicenco, L., Grishin, A. N., Lazar, L., Mihneva, V., Shlyakhov, V. A. and Zengin, M. 2017. Architecture of collapse: regime shift and recovery in an hierarchically structured marine ecosystem. Glob Change Biol. 23 (4) 1486–1498, DOI: 10.1111/gcb.13508
Fisher, J.A.D., Casini, M., Frank, K. T., Möllmann, C., Leggett, W. C., & Daskalov, G. (2015). The importance of within-system spatial variation in drivers of marine ecosystem regime shifts. Phil. Trans. R. Soc. B 370: 20130271.
O'Higgins, T., A. Farmer, G. Daskalov, S. Knudsen, and L. Mee. 2014. Achieving good environmental status in the Black Sea: scale mismatches in environmental management. Ecology and Society 19(3): 54.,
Daskalov, G., Cardinale, M., Charef, A., Duzgunes, E., Genç, Y., Gümüş, A., Maximov, V., Mikhaylyuk, A., Nikolaev, S., Osio, G. C., Panayotova, M., Radu, G., Raykov, V., Shlyakhov, V., Yankova, M. and Zengin, M., 2012. JRC Scientific and Policy Reports. Scientific, Technical and Economic Committee for Fisheries. Assessment of Black Sea Stocks (STECF-12-15). JRC 76532 , EUR 25580 EN, ISBN 978-92-79-27208-0, ISSN 1831-9424, doi:10.2788/63715
Daskalov GM, 2012. Ecosystem shifts in the Black Sea. In Regime shifts in marine ecosystems. Directorate General for Internal Policies. European Parliament Policy Department, B. STRUCTURAL AND COHESION POLICIES: FISHERIES: pp.83-122. (link)
Llope M, Daskalov GM, Rouyer TA, Mihneva V, Chan K-S, Alexander N. Grishin AN, Stenseth NC. 2010 Overfishing of top predators eroded the resilience of the Black Sea system regardless of the climate and anthropogenic conditions.- Global Change Biology, 17: 1251–1265, doi: 10.1111/j.1365-2486.2010.02331.x
Mackinson, S., Daskalov,G., Heymans S., Neira, S. Arancibia, H., Zetina-Rejón, M., Hong, J., Hequin, C., Coll, M., Arreguin-Sanchez, F., Shannon, L., and Keeble, K. 2008. Which forcing factors fit? Using ecosystem models to investigate the relative influence of fishing and changes in primary productivity on the dynamics of marine ecosystems. Ecological modeling, 21: 2972-2987
Daskalov GM, Grishin A, Rodionov S, and Mihneva V. 2007. Trophic cascades triggered by overfishing reveal possible mechanisms of ecosystem regime shifts. Proceeding of National Academy of Sciences (PNAS) 104: 10518-10523, doi 10.1073/pnas.0701100104
Daskalov, GM., and Mamedov, E. V. 2007. Integrated fisheries assessment and possible causes for the collapse of anchovy kilka in the Caspian Sea. – ICES Journal of Marine Science, 64: 503–511.
Cury, P. M., Shannon, L. J., Roux, J-P, Daskalov, G. M., Jarre, A., Moloney, C. L., and Pauly, D. 2005. Trophodynamic indicators for an ecosystem approach to fisheries. ICES Journal of Marine Science, 62: 430-442
Daskalov, GM Boyer, D.and Roux, J.-P. 2003 Relating sardine Sardinops sagax abundance to environmental indices in Northern Benguela, Progress in Oceanography 59: 257-274
DASKALOV, G.M. 2003 Long-term changes in fish abundance and environmental indices in the Black Sea. Mar. Ecol. Prog. Ser. 255: 259-270.
DASKALOV, GM 2002. Overfishing drives a trophic cascade in the Black Sea. Mar. Ecol. Prog. Ser. 225: 53-63
Daskalov, G. 1999. Relating fish recruitment to stock and physical environment in the Black Sea using generalized additive models. Fisheries Research 41: 1-23
Prodanov K, Mikhailov K, Daskalov G, Maxiam K, Ozdamar E, Shlyakhov V, Chashchin A, Arkhipov A, 1997. Environmental management of fish resources in the Black Sea and their rational exploitation. Studies and Reviews. GFCM. 68. Rome, FAO. 178p.


Aquatic Ecosystems
Functional Ecology and Bioresources of Marine and Coastal Ecosystems


Member for
10 years 7 weeks