Board member| European Ichthyological Society (EIS)
IUCN Freshwater Fish Specialist and assessor
Invited speaker
2023: XVII European Congress of Ichthyology, Prague. Title: Conservation biogeography of freshwater fishes: What’s hot and what’s not.
2023: 1st Science Festival 2023, French Institute of Greece, Athens. Title: Water iin the throes ofclimate crisis.
2012: Biodiversity, Conservation and Sustainability. Centre of environmental education, Konitsa. Title: Biodiversity in freshwater ecosystems: Patterns, threats and sustainability, in regional and European Level.
Reviewer for scientific journals
Journal of Biogeography, Hydrobiologia, Freshwater Biology, Diversity and Distributions, Journal of Oceanology and Limnology, Ecology of Freshwater Fish, Aquatic ecology, Ecology and Evolution, Diversity, Limnology, Land, Fishes
Reviewer for scientific projects
National Science Center, Poland
FWF Austrian Science Fund
BIODIVERSA+ Call Secretariat
Presentations at scientific conferences
44. Oikonomou A., Stasinakis P., Mavrikaki E., Pafilis P. 2023. Knowledge and perceptions of biology students about Natura 2000 protected areas. 7 th Pan-Hellenic Conference Biology in Education (oral presentation)
43. Barbieri R., Stoumboudi T. M., Leonardos I., Oikonomou A. 2023. Variations in the early development of wild and reared cyprinid Telestes pleurobipunctatus. XVII European Congress of Ichthyology, Prague (poster presentation)
42. Vagenas G., Karachle P., Oikonomou A., Stoumboudi M., Zenetos A. 2023. Historical variations of life-history traits (LFTs) of non-indigenous fishes (NISF) in the Mediterranean during the last 123 years. XVII European Congress of Ichthyology, Prague (poster presentation)
41. Vagenas G., Karachle P., Oikonomou A., Stoumboudi M., Zenetos A. 2023. Decoding the riddle of marine invasions of non-indigenous fishes: Patterns in the Mediterranean through a numerical and spatial resolution approach. XVII European Congress of Ichthyology, Prague (poster presentation)
40. Oikonomou A., Dimitriou E., Kalogianni E., Papadopoulos A., Kouraklis P., Laschou S., Barbieri R., Mentzafou A., Stoumboudi M.T. 2023. What is the impact of the hydromorphological changes on the biodiversity of riverine ecosystems? The case of Louros River fish fauna. 11th HELECOS Conference, Patras (poster presentation)
39. Oikonomou A., Abdirahman M. H., Saba A.O., Lawal-Are A., Aghogho K., Aneyo I., Badar I.I., Bassey O.P., Dordzi B.D., Glavee C.C., Agyapong D., Amachree D., Udoyen G., Edet N.D., Annor E., Addo E., Oluwole G., Jannatul-Firdaus A., Mayowa O.A., Akinwunmi M., Ngozi M.O., Ovioma G.O., Abbeyquaye P., Adorm-Takyi R., Fifi S.S., Masak S., Eyo V.O., Zamblé G.R., Vagenas G. 2023. COESSING 2023: How to implement good training practices to unveil data gaps of threatened marine fishes in the understudied Gulf of Guinea (West Africa). 11th HELECOS Conference, Patras (poster presentation)
38. Lampri P.N., Lampou A., Katsogiannou I., Stoumboudi M.T., Oikonomou A., Gkritzalis K.C. 2023. Effects of Louros river habitat modification on benthic macroinvertebrate fauna. 11th HELECOS Conference, Patras (poster presentation)
37. Oikonomou A., Smeti E., Karaouzas I., Stefanidis K., Andriopoulou A. Vavalidis Th., Vardakas L., Vourka Α., Giakoumi S., Gritzalis K., Zogaris S., Theodoropoulos Ch., Kalaitzakis N., Kalogianni E., Kapakos Y., Kapeloni M., Kapetanaki N., Katsogiannou Ι., Colombari E., Kommatas D., Kouvarda Th., Kouraklis P., Koutsikos Ν., Koutsodimou M., Lampou Α., Lampri PΝ., Leris I., Laschou S., Latsiou A., Markogianni V., Masouras A., Mentzafou Α., Barbieri R., Ntakis A., Panagiotou A., Papadaki C., Sperelakis E., Tragaki D., Fytilis K., Filippi G., Chamoglou M., Tachos, V., Skoulikidis N., Papadopoulos A., Stoumboudi M. and Dimitriou E. 2022. Comparing biological quality elements in Greek rivers. Marine and Inland Waters Research Symposium (poster presentation)
36: Masouras A., Oikonomou A., Karaouzas I., Dimitriou E., Tsirtsis G., Smeti E. 2022. Taxonomic vs functional patterns in benthic diatoms in Greek rivers implications for biomonitoring. Marine and Inland Waters Research Symposium (oral presentation)
35: Vagenas G., Oikonomou A., Stoumboudi M., Karachle P. 2022. Temperature unravels the variability in life-history traits observed between non-indigenous and native fish species in the Mediterranean Sea. 2nd Southeast European Ichthyological Conference (SEEIC) (oral presentation)
34: Oikonomou A., Stefanidis K., Vagenas G., Mentzafou A., Stoumboudi M. 2022. MaxEnt Modeling for predicting impacts of climate change on the potential distribution of six range-restricted fish species in Greece (Trichonis Lake/ Acheloos River Basin-NW Greece). 2nd Southeast European Ichthyological Conference (SEEIC) (poster presentation presentation)
33: Oikonomou A., Stefanidis K., Vagenas G., Mentzafou A., Stoumboudi M. 2022. Bioclimatic projections up to 2070 reveal one third loss of suitable environmental conditions of a vulnerable Salmonid. Marine and Inland Waters Research Symposium (poster presentation)
32: Oikonomou A., Kloukina I., Miti M., Piliouras P., Arianoutsou M. 2021. Wastewater without Problems: An environmental project for wastewater management. 11th Pan-Hellenic Conference Teaching of science and new technologies in education (poster presentation)
31: Oikonomou A., Stoumboudi M. 2021. The threatened freshwater fishes in Greece are declining at an alarming rate. 10th HELECOS Conference (poster presentation)
30: Smeti E, Oikonomou A. 2019. Spatial vs environmental drivers of benthic diatom assemblages in Greek rivers. 6th Fresh Blood for Fresh Water Conference, Tihany (poster presentation)
29: Stoumboudi M Th, Spiliopoulou K, Oikonomou A. 2019. The impact of large dams on the autochthonous, threatened freshwater ichthyofauna of Greece: Current knowledge and gaps to be fulfilled. XVI European Congress of Ichthyology, Lausanne (oral presentation)
28. Alvanou N, Oikonomou Α, Vardakas L, Koutsikos N,Kalogianni E. 2019. Fish taxonomic and trait diversity patterns in perennial and intermittent rivers. 14th ICZEGAR, Thessaloniki (poster presentation)
27. Oikonomou Α, Stefanidis Κ. 2019. α- and β- diversity patterns of two freshwater taxa in Balkan lentic ecosystems. 14th ICZEGAR, Thessaloniki (poster presentation)
26: Oikonomou A, Ford M, Barbieri R, Kalogianni E, Freyhof J, Stasinou N, Stoumboudi M Th. 2019. New Red List assessments proposed for the recently described freshwater fish species in Greece. XVI European Congress of Ichthyology, Lausanne (poster presentation)
25: Oikonomou Α, Karaouzas Ι, Smeti E, Stefanidis Κ, Stoumboudi M, Anastasopoulou E, Andriopoulou A, Vavalidis Th, Vardakas L, Vourka Α, Giakoumi S, Gritzalis K, Dimitriou E, Zogaris S, Theodoropoulos Ch, Kalaitzakis N, Kalogianni E, Kapakos Y, Katsogiannou Ι, Colombari E, Kommatas D, Kouvarda Th, Kouraklis P, Koutsikos Ν, Koutsodimou M, Lampou Α, Markogianni V, Mentzafou Α, Barbieri R, Panagiotou A, Papastergiadou Ε, Economou A, Economou E, Sperelakis E, Tachos V, Chatzinikolaou Y, Skoulikidis N 2018. Greek riverine ecosystems with high biodiversity. 9th HELECOS Conference, Heraklion (poster presentation)
24: Barbieri R., Bekas P., Stoumboudi MTh., Oikonomou A., Leonardos I. 2018. Variations in the early development of wild and reared Telestes pleurobipunctatus (Stephanidis, 1939) (Pisces: Cyprinidae). 12 th Panhellenic Symposium on Oceanography & Fisheries, Corfu.
23: Alvanou N., Kafritsa M.-E., Skouroliakou D.-I., Ipsilou G., Chavas Ch., Oikonomou A. 2017. Alien fish species in the rivers of Epiru. 39th E.E.B.E. Scientific Conference, Lamia (poster presentation)
22: Aletra V., Georgakaki N., Kouveli E., Koutoupas G., Tampakidou M.-I., Oikonomou A. 2017. Survival battles: Threatened fishes in rivers of Epirus. 39th E.E.B.E. Scientific Conference, Lamia (poster presentation)
21: Oikonomou A., Leprieur F., Leonardos I., 2015. Eco-morphological diversity of freshwater fishes as a tool for conservation biogeography: a case study from a Balkan hotspot. 1st Southeast European Ichthyological Conference (SEEIC), Sarajevo (poster presentation)
20: Zogaris S., Tachos V., Chatzinikolaou Y., Bobori D., Economou AN., Barbieri R., Bourdaniotis N., Oikonomou A., Emfietzis G., Giakoumi S., Kailatzakis N., Kalogianni Ε., Kapakos Y., Kavvadas S., Kommatas D., Koutrakis E., Koutsikos N., Leonardos I., Ntakis A., Ntislidou C., Petriki O., Sapounidis A., Sperelakis E., Stoumboudi M1 , Tsakoumis, E. , Tsoumani M., Vardakas L., 2016. Assessing conservation status of threatened fishes in greece: interpreting the “Natura 2000 monitoring project” results. 8th HELECOS Conference, Thessaloniki (poster presentation)
19: Korakis A. , Papaioannou H., Theodoropoulos I., Leonardos I., Kyriazis N., Petsis N., Ntakis A., Oikonomou A., Machairas I., 2016. Monitoring of Balkan chamois, otter & fish species, withnin the northern Pindos National park. 8th HELECOS Conference, Thessaloniki (poster presentation)
18: Oikonomou A., Leprieur F., Leonardos I. D., 2016. Functional diversity patterns in River Louros. 16th Hellenic conference of Ichthyologists, Kavala (oral presentation)
17. Leonardos I. D., Ntakis A., Korakis A., Kyriazis N., Petsis N., Machairas I., Oikonomou A., 2016. Fish species belonging to the Directive 92/43/EEC in the responsibility area of Vikos-Aoos and Pindos Management Body. 16th Hellenic conference of Ichthyologists, Kavala (oral presentation)
16. Chousidis Ι., Οikonomou Α., Ntakis Α., Tsoumani Μ., Koutoupas G., Gkaniatsa M., Papadopoulou P., Leonardos I.D., 2016. Length composition and growth rates of the Prussian carp, Carassius gibelio (Bloch, 1782) in Lake Pamvotis. 16th Hellenic conference of Ichthyologists, Kavala (poster presentation)
15. Chousidis Ι., Οikonomou Α., Ntakis Α., Tsoumani Μ., Leonardos I.D., 2016. Evaluation of the mortality coefficients of the Prussian carp, Carassius gibelio (Bloch, 1782) in Lake Pamvotis. 16th Hellenic conference of Ichthyologists, Kavala (oral presentation)
14. Vardakas L., Arapoglou F., Vourka K., Giakoumi S., Emfietzis Y., Zogaris S., Kalaitzakis N., Kalogianni E., Kapakos I., Kommatas D., Kouraklis P., Koutrakis M., Koutsikos N., Latsou M., Barbieri R., Bobori D., Ntakis A., Ntislidou C., Oikonomou A., Oikonomou E., Petriki O., Sapounidis A., Stoumboudi M.T., Tachos V., Tsakoumis E., Tsoumani M., Christidis A., Economou A., 2016. Monitoring the fish fauna of Hellenic rivers according to the Water Framework Directive 2000/60/EC for the period 2012-2015. 16th Hellenic conference of Ichthyologists, Kavala (oral presentation)
13. Oikonomou A., Leprieur F., Leonardos I., 2015. Freshwater fishes in Greek lakes: Species richness and body size patterns. XV European Congress of Ichthyology, Oporto (poster presentation)
12. Sapounidis A., Liousia V., Tryfonopoulos G., Ntislidou Ch., Oikonomou A., Petriki O., Bobori D., Koutrakis E., Leonardos I., 2015. Aphanius almiriensis: an established and breeding population in Moustos wetland. 13th ICZEGAR, Heraklion (poster presentation)
11. Anastasiadou Ch., Christodoulou M., Oikonomou A., 2015. Biodiversity and biogeographical patterns of the epigean freshwater shrimps (Atyidae, Palaemonidae) and amphipods (Gammaridae) in Greece. 13th ICZEGAR, Heraklion (oral presentation)
10. Papadopoulou P., Oikonomou A., Georgakli A., Koutrakis E., Leonardos I., 2015. Age and growth of european eel (Anguilla anguilla, Linnaeus, 1758) in three lagoons of Western Greece. 37th E.E.B.E. Scientific Conference, Volos (poster presentation)
9. Vardakas L., Kalogianni E., Kommatas D., Stoumboudi M.T., Mentzafou A., Oikonomou A., Skoulikidis N.Th., 2015. Habitat use by three range-restricted endemic fish species in reference and impacted conditions (Evrotas River, Southern Greece) - Preliminary results. 11th Panhellenic Symposium of Oceanography & Fisheries, Mitilini (oral presentation)
8. Oikonomou A., Leprieur F., Leonardos I., 2014. Delineating the biogeographical regions of the Balkan Peninsula. 7th HELECOS Conference, Mitilini (poster presentation)
7. Oikonomou A., Leprieur F., Leonardos I., 2014. Exploring the species- area relationship (SAR) in the freshwater ecosystems of the Balkan Peninsula. 7th HELECOS Congress, Mitilini (poster presentation)
6. Oikonomou A., Leprieur F., Leonardos I., 2013. Conservation biogeography of the freshwater fishes of the Balkan Peninsula. 15th Panhellenic Congress of Ichthyologists, Thessaloniki (oral presentation)
5. Oikonomou A., Leprieur F., Leonardos I., 2013. Patterns of endemism and Conservation Status of the Balkan freshwater fish fauna. 35th E.E.B.E. Scientific Conference, Nafplio (poster presentation)
4. Oikonomou A., Leprieur F., Leonardos I., 2012. Freshwater fishes of the Balkan Peninsula: Delineating biogeographical regions. XIV European Congress of Ichthyology, Liège (Best poster presentation)
3. Taskoudis T., Oikonomou A., Leonardos I., 2012. Ichthyofauna of Louros River. 34th E.E.B.E. Scientific Conference, Trikala (poster presentation)
2. Ntakis A., Oikonomou A., Liasko R., Leonardos I., 2012. The use of non-lethal methods for the study of freshwater fishes. The case study of the endemic and endangered trout of Louros River.34th E.E.B.E. Scientific Conference, Trikala (poster presentation)
1. Oikonomou A., Ntakis A., Anastasiadou C., Leonardos I., 2011. Salmo lourosensis, Delling, 2010: An endangered species and its conservation status. 33rd E.E.B.E. Scientific Conference, Edessa (poster presentation)
Participation in scientific Conferences
2013 35th National Congress of Biological Sciences (E.E.V.E), 23-25 May, Nafplio.
2012: XIV European Congress of Ichthyology, 3 –8 July, Liège.2012: 34th National Congress of Biological Sciences (E.E.V.E), 17-19 May, Trikala.
2011: 33rd National Congress of Biological Sciences (E.E.V.E), 19-21 May, Edessa.
2010: 32nd National Congress of Biological Sciences (E.E.V.E), May 20-22, Karpenisi.
2009: 11th International Congress on the Zoogeography and Ecology of Greece and Adjacent Regions, 21-27 September, Crete.
2008: 4th HELECOS Congress of Ecology ,09-12 September, Volos
2006: 3rd HELECOS Congress of Ecology ,16-19 November, Ioannina.
2006: 10th International Congress on the Zoogeography and Ecology of Greece and Adjacent Regions, 26-30 June, Patras.
2006: 28th National Congress of Biological Sciences (E.E.V.E), May 18-20, Ioannina.
Participation in Meetings
15/01/2011 Biodiversity in Lake Pamvotis, University of Ioannina
17/12/2009 Darwin and Evolution, Aristotle University of Thessaloniki
27/01/2007 The teaching of biology through evolution, Aristotle University of Thessaloniki
Participation in Organizing Committee of scientific activities
2013: Organizing committee of the meeting "Addressing metachromatic ulcer plane", Centre of environmental education, Filippiada, Greece (19 December 2013)
2013: Organizing committee in seminar "Teaching techniques and methodology in Environmental Education", Centre of environmental education, Filippiada, Greece (29, November 30 and December 1, 2013)
2013: Organizing committee of the meeting "The local varieties of seeds: symbol for the preservation of life", Centre of environmental education, Filippiada, Greece (20 October 2013)
2013: Organizing committee of the meeting "The forest and mushrooms of Ziros Lake", Centre of environmental education, Filippiada, Greece (11 October 2013)
2013: Organizing committee of the event "Environmental Education Week", Centre of environmental education, Filippiada, Greece (9 October 2013)
2013: Organizing committee of the meeting "The History of Paidopoli of Ziros Lake through testimonials" Centre of environmental education, Filippiada, Greece (9 June 2013)
2013: Organizing committee of the event for the World Environment Day "Students and teachers create for the environment", Centre of environmental education, Filippiada, Greece (5-6 June 2013)
2013: Organizing committee in seminar "Lacustrine Ecosystems: Sources of inspiration for Environmental Education Programs", Centre of environmental education, Filippiada, Greece (24- 26 May 2013)
2013: Organizing committee in seminar "The influence of the environment on the local gastronomy", Centre of environmental education, Filippiada, Greece (5-7 April 2013)
2013: Organizing committee in seminar "Environmental Education in places of historical and ecological significance", Centre of environmental education, Filippiada, Greece (15-17 February 2013)
2013: Organizing committee of the meeting '' Designing Environmental Education Programs for Preschool age'', Centre of environmental education, Filippiada, Greece (19 January 2013)
2012: Organizing committee of the event "Christmas stories with an environmental message", Centre of environmental education, Filippiada, Greece (11-14 & 18-19 December 2012)
2011: Organizing committee of the meeting “Biodiversity in Lake Pamvotis”, Ioannina, Greece (15 January 2011)