Christos Maravelias

Home/Our people/Researchers/Christos Maravelias

Christos Maravelias

Research Director

Tel: +30-210-9856703
Fax: +30-210-9811713

Short CV

  • BSc in Biology, (Honours), Aristotle University of Thessaloniki, Greece (1992)
  • MSc in Fisheries Biology and Management, University College of North Wales in Bangor, University of Wales, United Kingdom (1993)
  • PhD in Fisheries Biology, Department of Zoology, University of Aberdeen and Marine Laboratory of the Scottish Office of Agriculture, Environment and Fisheries Department (SOAEFD), Aberdeen, Scotland, United Kingdom (1997)

At present, he is Research Director (grade A) at the Institute of Marine Biological Resources and Inland Waters of the Hellenic Centre for Marine Research.
His research interests include:

  • Population Dynamics, Stock Assessment and Fisheries Management
  • Fleet dynamics and capacity, fishers’ behaviour and fishing strategies
  • Ecosystem Approach to Fisheries (EAF)
  • Effects of Environment on Fish Resources – Fisheries Oceanography
  • Fisheries statistical modelling (Geostatistics, GAM/GLM, Time-Series analysis and forecasting ARIMA, Artificial Neural Networks)
  • Bioeconomic modelling using BEMTOOL and Mefisto and econometric methodologies (e.g. Data Envelopment Analysis, Random Utility Models, Stochastic Distance Function)

He has been the Fisheries Expert of the 7th Framework Programme, European Commission, Directorate General for Research and Technological Development (DG RTD) of the European Union, Unit E4, Brussels, Belgium.

He has participated in more than 30 national and international projects and has been national project leader in more than 10 International projects.

He is a referee in the following international journals: Marine Ecology Progress Series, Canadian Journal of Fisheries and Aquatic Sciences, ICES Journal of Marine Science, Fisheries Oceanography, Journal of Fish Biology, Fisheries Research, Estuarine Coastal and Shelf Sciences, PlosONE .

He has contributed more than 50 papers in peer-reviewed journals, 4 books and book chapters, as well as more than 70 other publications (i.e. conference proceedings, special publications, newspaper and magazine articles) and co-authored more than 20 technical reports.


  • Damalas D, Maravelias CD, Kavadas S (2013) Advances in fishing power, a study spanning 50 years. Reviews in Fisheries Science, BRFS-2013-0016 in press
  • Kavadas S, Damalas D, Georgakarakos S, Maravelias C, Tserpes G, Papaconstantinou C, Bazigos G (2013) IMAS-Fish: Integrated MAnagement System to support the sustainability of Greek Fisheries resources. A multidisciplinary web-based database management system: implementation, capabilities, utilization and future prospects for fisheries stakeholde. Mediterranean Marine Science 14:109-118
  • Maravelias CD, Maynou F, Pantazi M (2013) Fisheries management scenarios; Trade offs between economic and biological objectives. Fisheries Management and Ecology, FME-13-25 (in press)
  • Maravelias CD, Tsitsika EV (2013) Fishers’ targeting behaviour in Mediterranean: does vessel size matter? Fisheries Management and Ecology (in press)
  • Politikos DV, Maravelias CD, Tzanetis DE (2013) Assessing the risk of alternative management strategies in a Mediterranean fishery: protecting the younger vs reducing fishing effort. Journal of Biological Dynamics 7:183-198
  • Maravelias CD, Tserpes G, Pantazi M, Peristeraki N (2012) Habitat selection and temporal abundance fluctuations of common demersal cartilaginous fish in the Aegean Sea (eastern Mediterranean). PLoS ONE 7:e35474
  • Politikos DV, Tzanetis DE, Nikolopoulos CV, Maravelias CD (2012) The application of an age-structured model to the north Aegean anchovy fishery: an evaluation of different management measures. Mathematical Biosciences 237:17-27
  • Mahévas S, Vermard Y, Hutton T, Iriondo A, Jadaud A, Maravelias CD, Punzón A, Sacchi J, Tidd A, Tsitsika E, Marchal P, Goascoz N, Mortreux S, Roos D (2011) An investigation of human versus technological variation in catchability for a selection of European fleets. ICES Journal of Marine Science 68:2252-2263
  • Maravelias CD, Damalas D, Ulrich C, Katsanevakis S, Hoff A (2011) Multispecies fisheries management in the Mediterranean Sea: application of the Fcube methodology. Fisheries Management and Ecology 19:189-199
  • Maynou F, M. Sbrana, P. Sartor, C. Maravelias, S. Kavadas, D. Damalas, F. Colloca, J. E. Cartes, G. Osio (2011) Estimating trends of population decline in long-lived marine species (dolphins, turtles and sharks) in the Mediterranean Sea based on fishers’ perceptions. PLoS ONE 6:e21818
  • Damalas D, Maravelias CD, Katsanevakis S, Karageorgis A, Papaconstantinou C (2010) Seasonal abundance of non-commercial demersal fish in the eastern Mediterranean Sea in relation to hydrographic and sediment characteristics. Estuarine Coastal and Shelf Science 89:107-118
  • Hoff A, Frost H, Ulrich C, Damalas D, Maravelias CD, Goti L, Santurtun M (2010) Economic effort management in multi-species fisheries: The FcubEcon model. ICES Journal of Marine Science67:1802-1810
  • Katsanevakis S, Maravelias CD, Kell LT (2010) Landings profiles and potential métiers in Greek set longliners. ICES Journal of Marine Science 67:646-656
  • Katsanevakis S, Maravelias CD, Vassilopoulou C (2010) Otter trawls in Greece: Landing profiles and potential métiers. Mediterranean Marine Science 11:43-59
  • Katsanevakis S, Maravelias CD, Vassilopoulou V, Haralabous J (2010) Boat seines in Greece: Landings profiles and identification of potential métiers. Scientia Marina 74:65-76
  • Maravelias CD, Hillary R, Haralabous J, Tsitsika EV (2010) Stochastic bioeconomic modelling of alternative management measures for anchovy in the Mediterranean Sea. ICES Journal of Marine Science 67:1291-1300
  • Raitsos DE, Lavender SJ, Maravelias CD, Haralabous J, Richardson AJ, Reid PC (2010) Macroscale factors affecting diatom abundance: a synergistic use of Continuous Plankton Recorder and satellite remote sensing data. International Journal of Remote Sensing 32:2081-2094
  • Katsanevakis S, Maravelias CD (2009) Bathymetric distribution of demersal fish in the Aegean and Ionian Seas, based on generalized additive modelling. Fisheries Science 75:13-23
  • Katsanevakis S, Maravelias CD, Damalas D, Karageorgis AP, Anagnostou C, Tsitsika EV, Papaconstantinou C (2009) Spatiotemporal distribution and habitat use of commercial demersal species in the eastern Mediterranean Sea. Fisheries Oceanography 18:439-457
  • Katsanevakis S, Maravelias CD (2008) Modelling fish growth: multi-model inference as a better alternative to a priori using von Bertalanffy equation. Fish and Fisheries 9:178-187
  • Maravelias CD, Tsitsika EV (2008) Economic efficiency analysis and fleet capacity assessment in Mediterranean fisheries. Fisheries Research 93:85-91
  • Raitsos DE, Lavender SJ, Maravelias CD, Haralabous J, Richardson AJ, Reid PC (2008) Identifying phytoplankton functional groups from space: an ecological approach. Limnology and Oceanography 53:605-613
  • Tsitsika EV, Maravelias CD (2008) Fishing strategy choices of purse seines in the Mediterranean: implications for management. Fisheries Science 74:19-27
  • Tsitsika EV, Maravelias CD, Watage P, Haralabous J (2008) Fishing capacity and capacity utilization of Mediterranean purse seine fishery using Data Envelopment Analysis.  Fisheries Science 74:730-735
  • Maravelias CD, Tsitsika E, Papaconstantinou C (2007) Environmental influences on the spatial distribution of European hake (Merluccius merluccius) and red mullet (Mullus barbatus) in the Mediterranean. Ecological Research 22:678-685
  • Maravelias CD, Tsitsika E, Papaconstantinou C (2007) Evidence of Morocco dentex distribution in the NE Mediterranean and relationships with environmental factors determined by generalized additive modelling. Fisheries Oceanography 16:294-302
  • Maravelias CD, Tsitsika E, Papaconstantinou C (2007) Seasonal dynamics, environmental preferences and habitat selection of John Dory (Zeus faber). Estuarine Coastal and Shelf Sciences 72:703-710
  • Tsitsika EV, Maravelias CD, Haralabous J (2007) Modelling and forecasting pelagic fish production using univariate and multivariate ARIMA models. Fisheries Science 73:977-986.
  • Machias A, Giannoulaki M, Somarakis S, Maravelias CD, Neofitou C, Koutsoubas D, Papadopoulou KN, Karakassis I (2006) Fish farming effects on local fisheries landings in oligotrophic seas. Aquaculture 261:809-816
  • Maravelias CD, Papakonstantinou C (2006) Geographic, seasonal and bathymetric distribution of demersal fish species in the Mediterranean Sea: implications for management. Journal of Applied Ichthyology 22:35-42
  • Tsitsika EV, Maravelias CD (2006) Factors affecting purse seine catches: an observer-based analysis. Mediterranean Marine Science 7:27-39
  • Labropoulou M, Maravelias CD, Papaconstantinou C (2003) Factors affecting commercial trawl fleet landings in a multispecies fishery. Journal of the Marine Biological Association of the United Kingdom 83:205-215
  • Maravelias CD, Haralabous J, Papakonstantinou C (2003) Predicting demersal fish species distributions in the Mediterranean Sea using artificial neural networks. Marine Ecology Progress Series 255:249-258
  • Maravelias CD, Papakonstantinou C (2003) Size-related habitat use, aggregation patterns and abundance of anglerfish (Lophius budegassa) in the Mediterranean Sea determined by generalized additive modelling. Journal of Marine Biological Association of UK 83:1171-1178
  • Christaki U, Claude C, Karayianni H, Gianakourou A, Maravelias C, Kormas K (2002) Dynamic characteristics of Prochlorococcus and Synechococcus consumption by nanoflagellates. Microbial Ecology 43:341-352
  • Maravelias CD (2001) Habitat associations of Atlantic herring in the Shetland area: influence of spatial scale and geographic segmentation. Fisheries Oceanography 10:259-267
  • Reid DG, Maravelias CD (2001) Relationships between herring school distribution and sea bed substrate derived from RoxAnn. ICES Journal of Marine Science 58:1161-1173
  • Maravelias CD, Reid DG, Swartzman G (2000) Modelling spatio-temporal effects of environment on Atlantic herring. Environmental Biology of Fishes 58:155-170
  • Maravelias CD, Reid DG, Swartzman G (2000) Seabed substrate, water depth and zooplankton as determinants of the prespawning spatial aggregation of North Atlantic herring. Marine Ecology Progress Series 195:249-259
  • Maravelias CD (1999) Habitat selection and clustering of a pelagic fish: effects of topography and bathymetry on species dynamics. Canadian Journal of Fisheries and Aquatic Sciences 56:437-450
  • Quaatey S, Maravelias CD (1999) Maturity and spawning pattern of Sardinella aurita in relation to water temperature and zooplankton abundance off Ghana, W. Africa. Journal of Applied Ichthyology 15:63-69
  • Bailey MC, Maravelias CD, Simmonds EJ (1998) Changes in the spatial distribution of autumn spawning herring (Clupea harengus L.) derived from annual acoustic surveys during the period 1984-1996. ICES Journal Marine Science 55:545-555
  • Maravelias CD (1997) Trends in abundance and geographic distribution of North Sea herring in relation to environmental factors. Marine Ecology Progress Series 159:151-164
  • Maravelias CD, Reid DG (1997) Identifying the effects of oceanographic features and zooplankton on prespawning herring abundance using generalized additive models. Marine Ecology Progress Series 147: 1-9
  • Maravelias CD, Reid DG, Simmonds EJ, Haralabous J (1996) Spatial Analysis and Mapping of Acoustic Survey Data in the presence of High Local Variability: Geostatistical Application to North Sea Herring (Clupea harengus). Canadian Journal of Fisheries and Aquatic Sciences 53:1497-1505
  • Maravelias CD, Haralabous J (1995) Spatial distribution of herring in the Orkney/Shetland area (northern North Sea): A Geostatistical Analysis. Netherlands Journal of Sea Research 34:319-329
  • Maravelias CD, Reid DG (1995) Relationship between herring (Clupea harengus, L.) distribution and sea surface salinity and temperature in the northern North Sea. Scientia Marina 59:427-438
Go to Top