Giannoulaki Marianna
Position: Assosiate Researcher
Contact Info
Institute: Marine Biological Resources
Address: HCMR, Gournes Pediados P.O.Box 2214, Irakleion 71003, Crete, Greece
Email:marianna@hcmr.gr
Tel: +302810337831
Telex: +302810337822
Website:
Dr. Marianna Giannoulaki has been working as a research scientist at HCMR since 1998 during which she has acquired a broad range of experience as a fisheries biologist and more recently as an Associate Researcher of the Institute of Marine Biological Resources at HCMR. She assumed her duties in October 2006.
Marianna earned her doctoral and master’s degrees in Marine Biology from the Biology Department, University of Crete, Greece. She holds a bachelor’s degree in Biology from the Kapodistrian University of Athens, Greece. She has completed her doctoral training in the Fisheries Biology group at the Biology Department of the University of Crete. Her thesis work focused on the ecology and the spatial distribution of small pelagic fish in the Greek Seas based on acoustic survey data introducing the application of novel spatial analysis statistical techniques.
Marianna’s scientific background and research interests are multidisciplinary focusing on population dynamics of small pelagic fish, physical/biological interactions in marine ecosystems, fisheries acoustics, spatial analysis techniques, determination of essential fish habitat and habitat suitability modelling, food web modelling as well as stock assessment modelling techniques. She is an active member of the acoustic surveys and the acoustic data analysis for the estimation of pelagic fish stocks biomass off the Greek coast and currently the scientific coordinator of the “AcousMed” project that concerns the harmonization of historical acoustic surveys in the Mediterranean Sea. She has a high level of expertise on spatial analysis techniques, predominantly geostatistics and generalised additive models. She has done pioneer work within the Mediterranean region in respect to the application of habitat suitability models for small pelagic fish species. She is an active member of the stock assessment study groups in the Mediterranean region (i.e., GFCM, STECF, FAO-EastMed) being responsible for the application of stock assessment models for anchovy and sardine stocks in the Greek Seas providing essential information for management advice and the production of fishery management plans.
Marianna has been or currently is involved in the implementation or the coordination of 19 national and international research programmes which have led to collaborative work with scientists in most Mediterranean countries. During this time she has published 20 peer reviewed papers and written over 50 non-peer reviewed papers, working documents and contract reports. She regularly reviews papers for a range of journals.
Marianna earned her doctoral and master’s degrees in Marine Biology from the Biology Department, University of Crete, Greece. She holds a bachelor’s degree in Biology from the Kapodistrian University of Athens, Greece. She has completed her doctoral training in the Fisheries Biology group at the Biology Department of the University of Crete. Her thesis work focused on the ecology and the spatial distribution of small pelagic fish in the Greek Seas based on acoustic survey data introducing the application of novel spatial analysis statistical techniques.
Marianna’s scientific background and research interests are multidisciplinary focusing on population dynamics of small pelagic fish, physical/biological interactions in marine ecosystems, fisheries acoustics, spatial analysis techniques, determination of essential fish habitat and habitat suitability modelling, food web modelling as well as stock assessment modelling techniques. She is an active member of the acoustic surveys and the acoustic data analysis for the estimation of pelagic fish stocks biomass off the Greek coast and currently the scientific coordinator of the “AcousMed” project that concerns the harmonization of historical acoustic surveys in the Mediterranean Sea. She has a high level of expertise on spatial analysis techniques, predominantly geostatistics and generalised additive models. She has done pioneer work within the Mediterranean region in respect to the application of habitat suitability models for small pelagic fish species. She is an active member of the stock assessment study groups in the Mediterranean region (i.e., GFCM, STECF, FAO-EastMed) being responsible for the application of stock assessment models for anchovy and sardine stocks in the Greek Seas providing essential information for management advice and the production of fishery management plans.
Marianna has been or currently is involved in the implementation or the coordination of 19 national and international research programmes which have led to collaborative work with scientists in most Mediterranean countries. During this time she has published 20 peer reviewed papers and written over 50 non-peer reviewed papers, working documents and contract reports. She regularly reviews papers for a range of journals.
Education Profile
• Ph.D., Fisheries Biology, University of Crete, Greece, 2003
• M.Sc., Marine Biology, University of Crete, Greece, 1997
• B.Sc., Biology, Kapodistrian University of Athens, Greece, 1995
Professional Profile
• 2006–2011: Associate Researcher, Fisheries Biology Group, HCMR, Greece
• 2003–2006: Research Assistant, Fisheries Biology Group, HCMR, Greece
Scientific and Professional Memberships
• Member of the GENERAL FISHERIES COMMISSION FOR THE MEDITERRANEAN SCIENTIFIC ADVISORY COMMITTEE
• Member of the Working Group on the Mediterranean of the Scientific, Technical and Economic Committee for Fisheries (STECF)
Research Interests
Dr. Giannoulaki’s research interests mainly concern the Fisheries Ecology scientific field including physical/biological interactions in marine ecosystems, fisheries acoustics, small pelagic fish behaviour and population dynamics, stock assessment modeling, spatial modelling (e.g., geostatistics, generalized additive models), essential fish habitat determination and ecosystem based modelling. She intends to focus her future research on the assessment of climate and anthropogenic impacts on marine ecosystems and the essential fish habitat focusing in particularly on the interactions between small pelagic populations and climate change.
• Ph.D., Fisheries Biology, University of Crete, Greece, 2003
• M.Sc., Marine Biology, University of Crete, Greece, 1997
• B.Sc., Biology, Kapodistrian University of Athens, Greece, 1995
Professional Profile
• 2006–2011: Associate Researcher, Fisheries Biology Group, HCMR, Greece
• 2003–2006: Research Assistant, Fisheries Biology Group, HCMR, Greece
Scientific and Professional Memberships
• Member of the GENERAL FISHERIES COMMISSION FOR THE MEDITERRANEAN SCIENTIFIC ADVISORY COMMITTEE
• Member of the Working Group on the Mediterranean of the Scientific, Technical and Economic Committee for Fisheries (STECF)
Research Interests
Dr. Giannoulaki’s research interests mainly concern the Fisheries Ecology scientific field including physical/biological interactions in marine ecosystems, fisheries acoustics, small pelagic fish behaviour and population dynamics, stock assessment modeling, spatial modelling (e.g., geostatistics, generalized additive models), essential fish habitat determination and ecosystem based modelling. She intends to focus her future research on the assessment of climate and anthropogenic impacts on marine ecosystems and the essential fish habitat focusing in particularly on the interactions between small pelagic populations and climate change.
• Trenkel, V.M., Ressler P.H., Jech, M., Giannoulaki, M., Taylor C. Underwater acoustics for ecosystem-based management: state of the science and proposals for ecosystem indicators. Marine Ecology Progress Series. Accepted. (2011)
• Tugores MP, Giannoulaki M, Iglesias M, Bonanno A, Ticina V, Leonori I, Machias A, Tsagarakis K, Diaz N, Giráldez, Patti B, De Felice A, Basilone G, and Valavanis V., Habitat suitability modeling for sardine (Sardina pilchardus) in a highly diverse ecosystem: the Mediterranean Sea. Marine Ecology Progress Series DOI: 10.3354/meps09366. (2011).
• Antonakakis K., Giannoulaki M., Machias A., Somarakis S, Sanchez S., Ibaibarriaga L. and Uriarte A., Assessment of the sardine (Sardina pilchardus Walbaum, 1792) fishery in the eastern Mediterranean basin (North Aegean Sea). Mediterranean Marine Science, 12 (2): 333-357. (2011).
• Giannoulaki M., Pyrounaki M. M., Liorzou B., Leonori I., Valavanis D. V., Tsagarakis K Bigot J.L., Roos D., De Felice A., Campanella F., Somarakis S., Arneri E., and Machias A., Habitat suitability modelling for sardine (Sardina pilchardus) juveniles in the Mediterranean Sea. Fisheries Oceanography, 20(5): 367-382 (2011)
• Somarakis S., Schismenou E., Siapatis A., Giannoulaki M., Kallianiotis A. and Machias A., High variability in the Daily Egg Production Method parameters of an eastern Mediterranean anchovy stock: Influence of environmental factors; fish condition and population density. Fisheries Research, doi:10.1016/j.fishres.2010.11.027. (2010)
• Tsagarakis K., Coll M., Giannoulaki M., Somarakis S., Papaconstantinou C., and Machias A., Food-web traits of the North Aegean Sea ecosystem (Eastern Mediterranean) and comparison with other Mediterranean ecosystems. Estuarine Coastal and Shelf Science, 88, 233-248. (2010).
• Siapatis A., Giannoulaki M., Valavanis V.D., Palialexis A., Schismenou E., Machias A., and Somarakis S., Modelling potential habitat of the invasive ctenophore Mnemiopsis leidyi in Aegean Sea . Hydrobiologia, 612, 281-295. (2008)
• Giannoulaki M., Valavanis V.D., Palialexis A., Tsagarakis K., Machias A., Somarakis S., and Papaconstantinou C., Modelling the presence of anchovy Engraulis encrasicolus in the Aegean Sea during early summer, based on satellite environmental data. Hydrobiologia, 612, 225-240. (2008).
• Tsagarakis K., Machias A., Somarakis S, Giannoulaki M., Palialexis A., and Valavanis V.D., Habitat discrimination of juvenile sardines in the Aegean Sea using remotely sensed environmental data. Hydrobiologia, 612, 215-223. (2008)
• Schismenou E., Giannoulaki M., Valavanis V.D., and Somarakis S., Modeling and predicting potential spawning habitat of anchovy (Engraulis encrasicolus) and round sardinella (Sardinella aurita) based on satellite environmental information. Hydrobiologia, 612, 201-214. (2008).
• Tsagarakis, K., A. Machias, M. Giannoulaki, S. Somarakis and Karakassis, I., Seasonal and temporal trends in metrics of fish community for otter-trawl discards in a Mediterranean ecosystem. ICES J. Mar. Sci, 65, 539-550. (2008)
• Machias, A., M. Giannoulaki, S. Somarakis, C.D. Maravelias, C. Neofitou, D. Koutsoubas, K.N. Papadopoulou, and Karakassis I., Fish farming effects on local fisheries landings in oligotrophic seas. Aquaculture, vol. 261, 809-816. (2006)
• Karakassis I., Machias A., Pitta P., Papadopoulou N., Smith C.J., Apostolaki E., Giannoulaki M., Koutsoubas D., and Somarakis S., Cross community congruence patterns in marine ecosystems: does the part reflect the whole? Marine Ecology Progress Series, vol. 310: 47-54. (2006).
• Giannoulaki M., A. Machias, C. Koutsikopoulos, and Somarakis S., The effect of coastal topography on the spatial structure of anchovy and sardine. ICES Journal of Marine Science, vol. 63 (4): 650-662. (2006).
• Machias A, Karakassis I, Giannoulaki M, Papadopoulou KN, Smith CJ, and Somarakis S., Response of demersal fish communities to the presence of fish farms. Marine Ecology Progress Series, 288: 241-250. (2005).
• Giannoulaki M., A. Machias, S. Somarakis and Karakassis I., Wild fish spatial structure in response to presence of fish farms. Journal of Marine Biological Association of the United Kingdom, 85: 1271-1277. (2005).
• Pitta P., Apostolaki E.T., Giannoulaki M., and Karakassis I., Mesoscale changes in the water column in response to fish farming zones in three coastal areas in the Eastern Mediterranean Sea. Estuarine Coastal and Shelf Science, 65: 501-512. (2005).
• Giannoulaki M., A. Machias, S. Somarakis and Tsimenides N., The spatial distribution of anchovy and sardine in the northern Aegean Sea in relation to hydrographic regimes. Belgian Journal of Zoology. 135(2): 151-156. (2004).
• Giannoulaki M., A. Machias, C. Koutsikopoulos, J. Haralabous, S. Somarakis and Tsimenides N., Effect of coastal topography on the spatial structure of small pelagic fish populations. Marine Ecology Progress Series, 265: 243-253. (2003).
• Giannoulaki M., Machias, A., Tsimenides N., Ambient luminance and vertical migration of the sardine Sardina pilchardus. Marine Ecology Progress Series, vol. 178: 29-38 (1999).
• Tugores MP, Giannoulaki M, Iglesias M, Bonanno A, Ticina V, Leonori I, Machias A, Tsagarakis K, Diaz N, Giráldez, Patti B, De Felice A, Basilone G, and Valavanis V., Habitat suitability modeling for sardine (Sardina pilchardus) in a highly diverse ecosystem: the Mediterranean Sea. Marine Ecology Progress Series DOI: 10.3354/meps09366. (2011).
• Antonakakis K., Giannoulaki M., Machias A., Somarakis S, Sanchez S., Ibaibarriaga L. and Uriarte A., Assessment of the sardine (Sardina pilchardus Walbaum, 1792) fishery in the eastern Mediterranean basin (North Aegean Sea). Mediterranean Marine Science, 12 (2): 333-357. (2011).
• Giannoulaki M., Pyrounaki M. M., Liorzou B., Leonori I., Valavanis D. V., Tsagarakis K Bigot J.L., Roos D., De Felice A., Campanella F., Somarakis S., Arneri E., and Machias A., Habitat suitability modelling for sardine (Sardina pilchardus) juveniles in the Mediterranean Sea. Fisheries Oceanography, 20(5): 367-382 (2011)
• Somarakis S., Schismenou E., Siapatis A., Giannoulaki M., Kallianiotis A. and Machias A., High variability in the Daily Egg Production Method parameters of an eastern Mediterranean anchovy stock: Influence of environmental factors; fish condition and population density. Fisheries Research, doi:10.1016/j.fishres.2010.11.027. (2010)
• Tsagarakis K., Coll M., Giannoulaki M., Somarakis S., Papaconstantinou C., and Machias A., Food-web traits of the North Aegean Sea ecosystem (Eastern Mediterranean) and comparison with other Mediterranean ecosystems. Estuarine Coastal and Shelf Science, 88, 233-248. (2010).
• Siapatis A., Giannoulaki M., Valavanis V.D., Palialexis A., Schismenou E., Machias A., and Somarakis S., Modelling potential habitat of the invasive ctenophore Mnemiopsis leidyi in Aegean Sea . Hydrobiologia, 612, 281-295. (2008)
• Giannoulaki M., Valavanis V.D., Palialexis A., Tsagarakis K., Machias A., Somarakis S., and Papaconstantinou C., Modelling the presence of anchovy Engraulis encrasicolus in the Aegean Sea during early summer, based on satellite environmental data. Hydrobiologia, 612, 225-240. (2008).
• Tsagarakis K., Machias A., Somarakis S, Giannoulaki M., Palialexis A., and Valavanis V.D., Habitat discrimination of juvenile sardines in the Aegean Sea using remotely sensed environmental data. Hydrobiologia, 612, 215-223. (2008)
• Schismenou E., Giannoulaki M., Valavanis V.D., and Somarakis S., Modeling and predicting potential spawning habitat of anchovy (Engraulis encrasicolus) and round sardinella (Sardinella aurita) based on satellite environmental information. Hydrobiologia, 612, 201-214. (2008).
• Tsagarakis, K., A. Machias, M. Giannoulaki, S. Somarakis and Karakassis, I., Seasonal and temporal trends in metrics of fish community for otter-trawl discards in a Mediterranean ecosystem. ICES J. Mar. Sci, 65, 539-550. (2008)
• Machias, A., M. Giannoulaki, S. Somarakis, C.D. Maravelias, C. Neofitou, D. Koutsoubas, K.N. Papadopoulou, and Karakassis I., Fish farming effects on local fisheries landings in oligotrophic seas. Aquaculture, vol. 261, 809-816. (2006)
• Karakassis I., Machias A., Pitta P., Papadopoulou N., Smith C.J., Apostolaki E., Giannoulaki M., Koutsoubas D., and Somarakis S., Cross community congruence patterns in marine ecosystems: does the part reflect the whole? Marine Ecology Progress Series, vol. 310: 47-54. (2006).
• Giannoulaki M., A. Machias, C. Koutsikopoulos, and Somarakis S., The effect of coastal topography on the spatial structure of anchovy and sardine. ICES Journal of Marine Science, vol. 63 (4): 650-662. (2006).
• Machias A, Karakassis I, Giannoulaki M, Papadopoulou KN, Smith CJ, and Somarakis S., Response of demersal fish communities to the presence of fish farms. Marine Ecology Progress Series, 288: 241-250. (2005).
• Giannoulaki M., A. Machias, S. Somarakis and Karakassis I., Wild fish spatial structure in response to presence of fish farms. Journal of Marine Biological Association of the United Kingdom, 85: 1271-1277. (2005).
• Pitta P., Apostolaki E.T., Giannoulaki M., and Karakassis I., Mesoscale changes in the water column in response to fish farming zones in three coastal areas in the Eastern Mediterranean Sea. Estuarine Coastal and Shelf Science, 65: 501-512. (2005).
• Giannoulaki M., A. Machias, S. Somarakis and Tsimenides N., The spatial distribution of anchovy and sardine in the northern Aegean Sea in relation to hydrographic regimes. Belgian Journal of Zoology. 135(2): 151-156. (2004).
• Giannoulaki M., A. Machias, C. Koutsikopoulos, J. Haralabous, S. Somarakis and Tsimenides N., Effect of coastal topography on the spatial structure of small pelagic fish populations. Marine Ecology Progress Series, 265: 243-253. (2003).
• Giannoulaki M., Machias, A., Tsimenides N., Ambient luminance and vertical migration of the sardine Sardina pilchardus. Marine Ecology Progress Series, vol. 178: 29-38 (1999).
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