Βαρδάκας Λεωνίδας

Τεχνολόγος – Ιχθυολόγος
Ιχθυοπανίδα ποταμών / Υπεύθυνος ετήσιων εκθέσεων έργου

Βιογραφικό Σημείωμα

Οι ερευνητικές δραστηριότητες του Δρ Βαρδάκα περιλαμβάνουν:
•       Οικολογία και βιολογία ιχθυοπανίδας εσωτερικών υδάτων
•       Οικολογικές εκτιμήσεις ρεόντων υδάτων
•       Κατανομή αυτόχθονων και ξενικών ειδών ιχθύων
•       Αξιολόγηση εισβολικότητας ξενικών ειδών
•       Διατήρηση και προστασία απειλούμενων ψαριών
•       Διαχείριση και αποκατάσταση εσωτερικών υδάτινων οικοσυστημάτων
Κατά τη διάρκεια της συνεργασίας του με το ΕΛΚΕΘΕ, ο Δρ. Βαρδάκας έχει   συμμετάσχει σε >15 ευρωπαϊκά και εθνικά ερευνητικά προγράμματα και  έχει 68 δημοσιεύσεις σε επιστημονικά περιοδικά, 4 κεφάλαια βιβλίων, 1   μονογραφία και πάνω από 50 δημοσιεύσεις σε ευρωπαϊκά και εθνικά  συνέδρια / επιστημονικά εργαστήρια.

Από το 2012 συμμετέχει ως ερευνητικός συνεργάτης στο Εθνικό Σχέδιο  Παρακολούθησης Ποταμών, το οποίο ανέλαβε το ΕΛΚΕΘΕ.

Δημοσιεύσεις

  • Vardakas, L., Kapakos, Y., Koutsikos, N., Leris, I., Kalogianni, E., (2026).“What is a fish without a river?” Conservation translocation of a highly threatened and unique cyprinid. Aquatic Conservation: Marine and Freshwater Ecosystems [IF: 2.2, 2026]. DOI: 10.1002/aqc.70323
  • Vilizzi L. Suresh V. Giannetto D. Hill J. Daniel W. Monteiro J. Edsman L. Elmi H. Awale A. Najafi-Majd E. Mammadov R. Andriyono S. Djumanto D. Amal M. Saba A. Stroil B. Adrovic A. Vila-Gispert A. Boix D. Kopecký O. Pavlů V. Milošević D. Caković D. Holbech H. Lundgreen K. Lukas J. Ahnelt H. Linnamägi M. Rohtla M. Almeida D. Mendoza R. Fuentes N. Gilles A. Pavia R. Knudsen E. Hansen L. Gouletquer P. Curd A. Špelić I. Jónsson J. Thráinsson H. Boggero A. Pupins M. Skute A. Petrulaitis L. Jokoniene I. Herczeg G. Ferincz Á. Verreycken H. Leuven R. Malmstrøm M. Velle G. Makhkamov T. Yuldashev A. Pietraszewski D. Marszał L. Clode J. Camargo M. Preda C. Memedemin D. Bakiu R. Bakiu S. Švolíková K. Števove B. Duniš L. Kristan P. Simonović P. Dekić R. Puntila-Dodd R. Jauni M. Olsson K. Ta K. Bui T. Yoğurtçuoğlu B. Ağdamar S. Yuldashov B. Khydyrov P. Vardakas L. Koutsikos N. Perdikaris C. Lukashanets D. Borodin O. Uzunova E. Dashinov D. Lazkov G. Ganybaeva M. Ualiyeva D. Zharmukhametova R. Ristovska M. Gjorgjievska A. Ganbaatar B. Khadbaatar S. Panov V. Marenkov O. Saidov N. Okhonniyozov M. Kvach Y. Yuryshynets V. Arakelyan M. Khachatryan H. Mumladze L. Japoshvili B. Pickholtz R. Gavriel T. Atique U. Altaf M. Iqbal S. Al-Wazzan Z. Chebaane S. Hamdard M. Osmani A. Moghaddas S. Javidpour J. Nashath M. Abdullah F. Sharma H. Shrestha B. Vibhakaran V. Galib S. Khan M. Epa U. Cassim N. De Zoysa M. Chaichana R. Kanongdate K. Chan N. Ko La M. Dorji J. Dorji C. Inkhavilay K. Somvongsa C. Soben K. Nida Y. Tesfay Y. Dullo B. Oh C. Park Y. Li S. Wei H. Koyama A. Isobe A. Piria M. (2025). Global framework for communication of biological invasion risks. Management of Biological Invasions. [IF:2.282, 2025]
  • Matiatos I., Dimitriou E., Papadopoulos A., Lazogiannis K., Skoulikidis Th. N., Karaouzas I., Vardakas L., Lagogiannis S., Zotou I., Paraskevopoulou V., Boeckx P. (2025). Dual use of isotopic and environmental proxy approaches to trace nitrate sources and biogeochemical pathways in an agro-industrially influenced river basin. Science of the Total Environment, 1005, 180863 https://doi.org/10.1016/j.scitotenv.2025.180863 [IF:8.0, 2025]
  • Skoulikidis Th. N., Vardakas L., Lampou A., Amaxidis Y., Laschou S. (2025). Redefining and delineating pristine conditions: A methodological framework with an application to a minimally impacted Mediterranean stream basin. Ecological Indicators https://doi.org/10.1016/j.ecolind.2025.114071 [IF:7.4, 2025]
  • Perdikaris C., Konstantinidis E., Vardakas L., Kamilari M., Koutsikos N. & Akovitiotis C. (2025). First Record of Silurus aristotelis Garman, 1890 in Schinias Olympic Rowing and Canoeing Center (Schinias National Park, Attica, Greece). Acta zoologica bulgarica 77 https://doi.org/10.71424/azb77.3.002876 [IF:0.4, 2025]
  • Vardakas L., Perdikaris C., Frehyof J., Zimmerman B., Ford M., Koutsikos N., Vlachopoulos K. Karaouzas I., Chamoglou M., Kalogianni E. (2025) Global patterns and drivers of freshwater fish extinctions: can we learn from our losses? Global Change Biology https://doi.org/10.1111/gcb.70244 [IF:10.8, 2025]
  • Koutsikos N, Vavalidis T, Perdikaris C., Zogaris S, Vardakas L. (2025) Anthropogenic influences reshape lentic fish diversity: Patterns of homogenization and differentiation across a Mediterranean biodiversity hotspot. Science of The Total Environment, https://doi.org/10.1016/j.scitotenv.2025.179154 [IF: 8.2, 2025]
  • Vilizzi L, Piria M, Pietraszewski D, Yoğurtçuoğlu B, Almeida D, Al-Wazzan Z, Atique U, Boggeron A, Duniš L, Goulletquer P, Herczeg G, Jukonienė I, Kopecký O, Koutsikos N, Koyama A, Kvach Y, Li S, Lukas J, Malmstrøm M, Marszał L, Mendoza R, Monteiro JG, Perdikaris C, Petrulaitis L, Pickholtz R, Preda C, Simonović P, Slovák Švolíková K, Špelić I, Števove B, Suresh VR, Ualiyeva D, Vardakas L, Verreycken H, Vila-Gispert A, Wei H, Yazlık A, Zięba G, Giannetto D, (2025) To be, or not to be, a non-native species in non-English languages: gauging terminological consensus amongst invasion biologists. Management of Biological Invasions 16: 15–31, https://doi.org/10.3391/mbi.2025.16.1.02 [IF: 2.282, 2021]
  • Vilizzi L, Piria M, Herczeg G, Almeida D, Al-Wazzan Z, Bakiu R, Boggero A, Chaichana R, Dashinov D, De Zoysa M, Gilles AS Jr, Goulletquer P, Interesova E, Kopecký O, Koutsikos N, Koyama A, Kristan P, Li S, Lukas J, Moghaddas SD, Monteiro JG, Mumladze L, Oh C, Olsson KH, Pavia RT Jr, Perdikaris C, Pickholtz R, Preda C, Ristovska M, Slovák Švolíková K, Števove B, Ta KAT, Uzunova E, Vardakas L, Verreycken H, Wei H, Yoğurtçuoğlu B, Giannetto D, Pietraszewski D (2025) Questionnaire improvements in second-generation, multilingual decision support tools for invasion risk screening of non-native taxa. Management of Biological Invasions 16: 33–44, https://doi.org/10.3391/mbi.2025.16.1.03 [IF: 2.282, 2021]
  • Kalogianni E., Koutsikos N., Smeti E., Kapakos Y., Vardakas L. (2024) Evaluating the feasibility and effectiveness of removing the globally invasive Eastern mosquitofish Gambusia holbrookifrom lotic environments Environmental Management (accepted) [IF: 2.7, 2024]
  • Zogaris D, Gkafas GA, Sarantopoulou J, Koutsikos N, Vardakas L, Exadactylos A (2024). Quietly invading the Balkans: Economidichthys pygmaeus (Holly, 1929) (Gobiidae) established in Northeastern Greece. BioInvasions Records 13(1): 215–224, https://doi.org/10.3391/bir.2024.13.1.19 [IF: 1.672, 2024]
  • Vardakas, L., Koutsikos, N., Dimitriou, E., Vavalidis, T., Kouraklis, P., & Kalogianni, E. (2024). Short-term effects of Storm Daniel on Salmo farioides (Karaman, 1938) in a high-gradient stream. River Research and Applications, 1–8. https://doi.org/10.1002/rra.4254 [IF: 2.2, 2024]
  • iene I, Petrulaitis L, Vitasović-Kosić I, Almeida D, Al-Wazzan Z, Bakiu R, Boggero A, Chaichana R, Dashinov D, De Zoysa M, Gilles AS Jr, Goulletquer P, Interesova E, Kopecký O, Koutsikos N, Koyama A, Kristan P, Li S, Lukas J, Moghaddas SD, Monteiro JG, Mumladze L, Oh C, Olsson KH, Pavia RT Jr, Perdikaris C, Pickholtz R, Preda C, Ristovska M, Švolíková KS, Števove B, Ta KAT, Uzunova E, Vardakas L, Verreycken H, Wei H, Yoğurtçuoğlu B, Ferincz Á, Kirkendall LR, Marszał L, Paganelli D, Stojchevska C, Tarkan AS, Yazlık A (2024). Development and application of a second-generation multilingual tool for invasion risk screening of non-native terrestrial plants. Sci Total Environ. 2024. https://doi.org/10.1016/j.scitotenv.2024.170475 [IF: 9.8, 2024]
  • Karageorgou, E., Kapakos, Y., Barbieri, R., Vardakas, L., Karakatsouli, N., & Kalogianni, E. (2024). Ontogeny of a threatened freshwater minnow: Implications for conservation. Acta Zoologica, 00, 1–8. https://doi.org/10.1111/azo.12492 [IF: 1.2, 2024]
  • Kalogianni E, Kalaitzakis N, Vardakas L, Koutsikos N, Zimmerman B, Meek S, Weldon L, Sargeant S, Steer MD. (2024). Nationwide Tracing of Two Top Freshwater Fish Invaders in Greece Using Environmental DNA Sampling. Diversity. 2024; 16(1):28. https://doi.org/10.3390/d16010028 [IF: 2.4, 2024]
  • Gkenas C, Vardakas L, Koutsikos N. (2024) Non-Indigenous Freshwater Fishes as Indicators of Ecological Quality in Running Waters. Diversity. 2024; 16(1):9. https://doi.org/10.3390/d16010009 [IF: 2.4, 2024]
  • Kalogianni, E., Leris, I., Vardakas, L., Kapakos, Y., Laschou, S., Bommerlund, J., Mauvisseau, Q., Zimmerman, B (2024). Designing, implementing and monitoring the translocation of a highly threatened freshwater fish. Aquatic Conservation: Marine and Freshwater Ecosystems, 34(1), e4072. https://doi.org/10.1002/aqc.4072 [IF: 3.258, 2024]
  • Varlas G, Papaioannou G, Papadopoulos A, Markogianni V, Vardakas L, Dimitriou E. (2023) Flash Flood Forecasting Using Integrated Meteorological–Hydrological–Hydraulic Modeling: Application in a Mediterranean River. Environmental Sciences Proceedings. 2023; 26(1):35. https://doi.org/10.3390/environsciproc2023026035 [IF: NA]
  • Galia, T., Škarpich, V., Vardakas, L., Dimitriou, E., Panagopoulos, Y. & Spálovský, V. (2023) Spatiotemporal variations of large wood and river channel morphology in a rapidly degraded reach of an intermittent river. Earth Surface Processes and Landforms, 1–14. Available from: https://doi.org/10.1002/esp.5531 [IF: 3.956, 2023]
  • Kalogianni E., Koutsikos N., Karaouzas I., Smeti E., Kapakos Y., Laschou S., Dimitriou E., Vardakas L. (2023). REVIVE: A feasibility assessment tool for freshwater fish conservation translocations in Mediterranean rivers, Science of The Total Environment, 160595, https://doi.org/10.1016/j.scitotenv.2022.160595 [IF: 9.8, 2023]
  • Vilizzi L, Piria M, Pietraszewski D, Kopecký O, Špelić I, Radočaj T, Šprem N, Ta KAT, Tarkan AS, Weiperth A, Yoğurtçuoğlu B, Candan O, Herczeg G, Killi N, Lemić D, Szajbert B, Almeida D, Al-Wazzan Z, Atique U, Bakiu R, Chaichana R, Dashinov D, Ferincz Á, Flieller G, Gilles Jr AS, Goulletquer P, Interesova E, Iqbal S, Koyama A, Kristan P, Li S, Lukas J, Moghaddas SD, Monteiro JG, Mumladze L, Olsson KH, Paganelli D, Perdikaris C, Pickholtz R, Preda C, Ristovska M, Švolíková KS, Števove B, Uzunova E, Vardakas L, Verreycken H, Wei H, Zięba G (2022) Development and application of a multilingual electronic decision- support tool for risk screening non-native terrestrial animals under current and future climate conditions. In: Giannetto D, Piria M, Tarkan AS, Zięba G (Eds) Recent advancements in the risk screening of freshwater and terrestrial non- native species. https://doi.org/10.3897/neobiota.76.84268NeoBiota 76: 211–236. [IF 2YEAR: 5.139, 2022]
  • Moutopoulos D., Koutsikos N., Vardakas L., Perdikaris C. (2022). A history of Greek inland fishery development during 1928–2019. Fisheries Management and Ecology. 2022;00:1–12. https://doi.org/10.1111/fme.12558 [IF 2YEAR: 2.188, 2022]
  • Vardakas L., Perdikaris C., Zogaris S., Kalantzi O.I. & Koutsikos N. 2022. Stakeholders perceptions of non-indigenous freshwater fish species: a case study from a Mediterranean hotspot of biodiversity. Environmental management, 69(6), 1091–1101. https://doi.org/10.1007/s00267-022-01623-w [IF 2YEAR: 3.418, 2022]
  • Vardakas, L., Koutsikos, N., Perdikaris, C., Petriki, O., Bobori, D., Zogaris, S., Giakoumi, S., Fitoka, E., Tompoulidou, M., Tsiaoussi, V., Kommatas, D., Konstantinidis, E., & Economou, A. N. (2022). Τhe fish fauna in lentic ecosystems of Greece. Mediterranean Marine Science. https://doi.org/10.12681/mms.28526 [IF 2YEAR: 2.713, 2022]
  • Koutsikos N., Vardakas L., Kalantzi O.I. & Zogaris S. (2021). Patterns of Spatial Overlap between Non-Indigenous and Critically Endangered Freshwater Fishes from a Mediterranean Biodiversity Hotspot. Diversity, 13(6), 233. https://doi.org/10.3390/d13060233 [IF 2YEAR: 2.882, 2021]
  • Koutsikos N., Zogaris S., Vardakas L. & Kalantzi O.I. (2021). Non-indigenous freshwater fish research in Greece: current status and future prospects. Mediterranean Marine Science, 393-406. https://doi.org/10.12681/mms.26804 [IF 2YEAR: 2.935, 2021]
  • Vilizzi L., Copp G.H., Hill J.E., Adamovich B., Aislabie L., Akin D., Al-Faisal A.J., Almeida D., Amal Azmai M.N., Bakiu R., Bellati A., Bernier R., Bies J.M., Bilge G., Branco P., Bui T.D., Canning-Clode J., Cardoso Ramos H.A., Castellanos-Galindo G.A., Castro N., Chaichana R., Chainho P., Chan J., Cunico A.M., Curd A., Dangchana P., Dashinov D., Davison P.I., de Camargo M.P., Dodd J.A., Durland Donahou A.L., Edsman L., Ekmekçi F.G., Elphinstone- Davis J., Erős T., Evangelista C., Fenwick G., Ferincz Á., Ferreira T., Feunteun E., Filiz H., Forneck S.C., Gajduchenko H.S., Monteiro J.G., Gestoso I., Giannetto D., Gilles Jr A.S., Gizzi F., Glamuzina B., Glamuzina L., Goldsmit J., Gollasch S., Goulletquer P., Grabowska J., Harmer R., Haubrock P.J., He D., Hean JW, Herczeg G., Howland K.L., İlhan A., Interesova E., Jakubčinová K., Jelmert A., Johnsen S.I., Kakareko T, Kanongdate K., Killi N., Kim J-E., Kırankaya S.G., Kňazovická D., Kopecký O., Kostov V., Koutsikos N., Kozic S., Kuljanishvili T., Kumar B., Kumar L., Kurita Y., Kurtul I., Lazzaro L., Lee L., Lehtiniemi M., Leonardi G., Leuven R.S.E.W., Li S., Lipinskaya T., Liu F., Lloyd L., Lorenzoni M., Alberto Luna S., Lyons T.J., Magellan K., Malmstrøm M., Marchini A., Marr S.M., Masson G., Masson L., McKenzie C.H., Memedemin D., Mendoza R., Minchin D., Miossec L., Moghaddas S.D., Moshobane M.C., Mumladze L., Naddafi R., Najafi-Majd E., Năstase A., Năvodaru I., Neal J.W., Nienhuis S., Nimtim M., Nolan E.T., Occhipinti-Ambrogi A., Ojaveer H., Olenin S., Olsson K., Onikura N., O’Shaughnessy K., Paganelli D., Parretti P., Patoka J., Pavia Jr R.T.B., Pellitteri-Rosa D., Pelletier-Rousseau M., Peralta E.M., Perdikaris C., Pietraszewski D., Piria M., Pitois S., Pompei L., Poulet N., Preda C., Puntila-Dodd R., Qashqaei A.T., Radočaj T., Rahmani H., Raj S., Reeves D., Ristovska M., Rizevsky V., Robertson D.R., Robertson P., Ruykys L., Saba A.O., Santos J.M., Sarı H.M., Segurado P., Semenchenko V., Senanan W., Simard N., Simonović P., Skóra M.E., Slovák Švolíková K., Smeti E., Šmídová T., Špelić I., Srėbalienė G., Stasolla G., Stebbing P., Števove B., Suresh V.R., Szajbert B., Ta R.T.B., Tarkan A.S., Tempesti J., Therriault T.W, Tidbury H.J, Top- Karakuş N., Tricarico E., Troca D.F.A, Tsiamis K., Tuckett Q.M., Tutman P., Uyan U., Uzunova E., Vardakas L., Velle G., Verreycken H., Vintsek L., Wei H., Weiperth A., Weyl O.L.F., Winter E.R., Włodarczyk R., Wood L.E., Yang R., Yapıcı S., Yeo S.S.B., Yoğurtçuoğlu B., Yunnie A.L.E., Zhu Y., Zięba G., Žitňanová K., Clarke S.. 2021. (2021). A global-scale screening of non-native aquatic organisms to identify potentially invasive species under current and future climate conditions. Science of the Total Enviroment, 147868. https://doi.org/10.1016/j.scitotenv.2021.147868 [IF 2YEAR: 10.147, 2021]
  • Tsaparis D., Konstantinidis I., Palandacic A., Kalogianni E., Stoumboudi M.Th., Barbieri R., Vardakas L., Koutsikos N. & Tsigenopoulos C.S. (2021). DNA barcoding provides new insights on the distribution, systematics and conservation of the freshwater genus Pelasgus(Cypriniformes: Cyprinidae). Hydrobiologia, 848(5), 1163-1176. https://doi.org/10.1007/s10750-021-04526-9 [IF 2YEAR: 2.603, 2021]
  • Copp G.H., Vilizzi L., Wei H., Li S., Piria M., Al-Faisal A.J., Almeida D., Atique U., Al-Wazzan Z., Bakiu R., Bašić T., Bui T., Castro N., Canning-Clode J., Chaichana R., Dashinov D., EkmekçiF.G., Erős T., Ferincz Á., Ferreira T., Gilles Jr.A.S., Głowacki Ł., Goulletquer P., Interesova E., Jakubčinová K., Kanongdate K., Kim J.-E., Kopecký O., Kostov V., Koutsikos N., Kozic S., Kristana P., Kurita Y., Lee H.-G., Leuven R., Lipinskaya T., Lukas J., Marchini A., GonzálezMartínez A.I., Masson L., Memedemin D., Moghaddas S.D., Monteiro J., Mumladze L., NaddafiR., Năvodaru I., Olsson K., Onikura N., Paganelli D., Pavia Jr.R.T., Perdikaris C., Pickholz R., Povž M., Preda C., Ristovska M., Rosíková K., Santos J.M., Semenchenko V., Senanan W., Simonović P., Smeti E., Števove B., Švolíková K., Ta K.A.T., Tarkan A.S., Top N., Tricarico E., Uzunova E., Vardakas L., Verreyken H., Zięba G., Mendoza R. (2021). Speaking their language–Development of a multilingual decision-support tool for communicating invasive species risks to decision makers and stakeholders. Environmental Modelling & Software, 135, 104900. https://doi.org/10.1016/j.envsoft.2020.104900 [IF 2YEAR: 5.699, 2021]
  • Tarkan A. S., E. Tricarico, L. Vilizzi, G. Bİlge, F. G. Ekmekçİ, H. Filiz, D. Giannetto, A. İlhan, N. Kİllİ, Ş. G. Kirankaya, N. Koutsikos, S. Kozic, I. Kurtul, L. Lazzaro, A. Marchini, A. Occhipinti-Ambrogi, C. Perdikaris, M. Piria, L. Pompei, H. Sari, E. Smeti, G. Stasolla, N. Top, K. Tsiamis, L. Vardakas, S. Yapici, B. Yoğurtçuoğlu & G. H. Copp (2021) Risk of invasiveness of non-native aquatic species in the eastern Mediterranean region under current and projected climate conditions, The European Zoological Journal, 88:1, 1130-1143, https://doi.org/10.1080/24750263.2021.1980624 [IF 2YEAR: 1.714, 2021]
  • Koutsikos N., Vardakas L., Vavalidis T., Kalogianni E., Dimitriou E., Kalantzi O.I., & Zogaris S. (2020). Defining non-indigenous fish assemblage types in Mediterranean rivers: Network analysis and management implications. Journal of Environmental Management, 278, 111551.https://doi.org/10.1016/j.jenvman.2020.111551 [IF 2YEAR: 6.823, 2020]
  • Vardakas L., Kalogianni E., Smeti E., Economou A.N., Skoulikidis N. Koutsoubas D., Dimitriadis C., Datry T. (2020). Spatial factors control the structure of fish metacommunity in a Mediterranean intermittent river. Ecohydrology & Hydrobiology, 20(3), 346-356https://doi.org/10.1016/j.ecohyd.2020.04.005 [IF 2YEAR: 2.768, 2020]
  • Galia T., Macurová T., Vardakas L., Škarpich V., Matušková T., Kalogianni E. (2020). Drivers of variability in large wood loads along the fluvial continuum of a Mediterranean intermittent river. Earth Surface Processes and Landforms, 45(9), 2048-2062https://doi.org/10.1002/esp.4865 [IF 2YEAR: 3.862, 2020]
  • Theodoropoulos C., Stamou A., Vardakas L., Papadaki C., Dimitriou E., Skoulikidis N., Kalogianni E. (2020). River restoration is prone to failure unless pre-optimized within a mechanistic ecological framework | Insights from a model- based case study. Water Research, 173, 115550 https://doi.org/10.1016/j.watres.2020.115550 [IF 2YEAR: 11.318, 2020]
  • Kalogianni E., Vardakas L., Vourka A., Koutsikos N., Theodoropoulos C., Galia T., Skoulikidis N. (2020). Wood availability and habitat heterogeneity drive spatiotemporal habitat use by riverine cyprinids under flow intermittence. River Research and Applications. https://doi.org/10.1002/rra.3601 [IF 2YEAR: 2.285, 2020]
  • Smeti E., Karaouzas I., Laschou S., Tornés E., De Castro N., Anastasopoulou E., Koutsodimou M., Andriopoulou A., Vardakas L., Muñoz I., Sabater S., Skoulikidis N. (2019). Effects of olive mill wastewater discharge on benthic biota in Mediterranean streams. Environmental Pollution, 254 (Part B), 113057, https://doi.org/10.1016/j.envpol.2019.113057 [IF 2YEAR: 7.177, 2019]
  • Glarou M., Vourka A., Vardakas L., Andriopoulou A., Skoulikidis N., Kalogianni E. Life history plasticity in a cyprinid fish of a Mediterranean river indicates resilience to intermittency (2019). Knowledge and Management of Aquatic Ecosystems, 425 (2019), 25 https://doi.org/10.1051/kmae/2019015 [IF 2YEAR: 1.477, 2019]
  • Vilizzi L.,; Copp G.H., Adamovich B., Almeida D., Chan J., Davison P.I. Dembski S., Ekmekçi F.G., Ferincz Á., Forneck C.S., Hill J.E. Kim J., Koutsikos N., Leuven R.S.E.W., Luna S., Magalhães F., Marr S.M., Mendoza R., Mourão C.F., Neal J. W., Onikura N., Perdikaris C., Piria M., Poulet N., Puntila R., Range I.L., Simonović P., Ribeiro F., Tarkan A.S., Troca D.F.A., Vardakas L., Verreycken H., Vintsek L., Weyl O.L.F., Yeo DC.J., Zeng Y. (2019). A global review and meta-analysis of applications of the freshwater Fish Invasiveness Screening Kit. Reviews in Fish Biology and Fisheries, 29, 529–568 (2019). https://doi.org/10.1007/s11160-019-09562-2 [IF 2YEAR: 4.602, 2019]
  • Leris I., Tsangaris C., Smeti E., Laschou S. Anastasopoulou E, Vardakas L., Kapakos Y., Skoulikidis N. Acute and sub-chronic toxicity bioassays of Olive Mill Wastewater on the Eastern mosquitofish Gambusia holbrooki. 2019. Ecotoxicology and Environmental Safety https://doi.org/10.1016/j.ecoenv.2019.03.025 [IF 2YEAR: 5.18, 2019]
  • Kalogianni E., Koutsikos N., Vardakas L., Giakoumi S., Chatzinikolaou, Y. and Oikonomou A. (2019). Impacts of the alien Eastern mosquitofish on the abundance and condition of two Mediterranean native fish. Mediterranean Marine Science, 20(4), 727–735 https://doi.org/10.12681/mms.19068 [IF 2YEAR: 1.634, 2019]
  • Koutsikos N., Zogaris S., Vardakas L., Kalantzi O.I., Dimitriou E., Economou A.N. (2019). Tracking non-indigenous fishes in lotic ecosystems: Invasive patterns at different spatial scales in Greece. Science of The Total Environment, 659, 384-400https://doi.org/10.1016/j.scitotenv.2018.12.324 [IF 2YEAR: 7.137, 2019]
  • Koutsikos N., Vardakas L., Zogaris S., Perdikaris C., Kalantzi O.I., Economou A.N. (2019). Does rainbow trout justify its high rank among alien invasive species? Insights from a nationwide survey in Greece. Aquatic Conservation: Marine and Freshwater Ecosystems, 29(3), 409-423 https://doi.org/10.1002/aqc.3025 [IF 2YEAR: 2.581, 2019]
  • Theodoropoulos C., Papadaki C., Vardakas L., Dimitriou E., Kalogianni E., Skoulikidis N. (2019). Conceptualization and pilot application of a model-based environmental flow assessment adapted for intermittent rivers. Aquatic Sciences 81:10 https://doi.org/10.1007/s00027-018-0605-0 [IF 2YEAR: 2.358, 2019]
  • Smeti E., von Schiller D., Karaouzas I., Laschou S., Vardakas L., Sabater S., Tornés E., Monllor-Alcaraz LS., Guillem-Argiles N., Martinez E., Barceló D., López de Alda M., Kalogianni E., Elosegi A., Skoulikidis N. (2019). Multiple stressor effects on biodiversity and ecosystem functioning in a Mediterranean temporary river. Science of The Total Environment 08/2018; 647., https://doi.org/10.1016/j.scitotenv.2018.08.105 [IF 2YEAR: 7.137, 2019]
  • Galia T., Škarpich V., Tichavský R., Vardakas L., K. Šilhán. (2018). Longitudinal distribution and parameters of large wood in a Mediterranean ephemeral stream. Geomorphology 310:15-28, https://doi.org/10.1016/j.geomorph.2018.03.007 [IF 2YEAR: 3.894, 2018]
  • Karaouzas I., Smeti E., Vourka A., Vardakas L., Mentzafou A., Tornés E., Sabater S., Muñoz I., Skoulikidis N.Th, Kalogianni E. (2018). Assessing the ecological effects of water stress and pollution in a temporary river – implications for water management. Science of the Total Environment. https://doi.org/10.1016/j.scitotenv.2017.09.323 [IF 2YEAR: 6.018, 2018]
  • Konstantinidis, E., Perdikaris, C., Vardakas, L., Paschos I. (2018). Spatio-temporal surface variations and freshwater fish diversity in a complex of small-sized lentic ecosystems in NW Greece. Acta Zoologica Bulgarica 70(4):575-583 [IF 2YEAR: 0.347, 2018]
  • Koutsikos N., Vardakas L., Kalogianni E., Economou A.N. (2018). Global distribution and climatic match of a highly traded ornamental freshwater fish, the sailfin molly Poecilia latipinna(Lesueur, 1821) Knowledge and Management of Aquatic Ecosystems. https://doi.org/10.1051/kmae/2018014 [IF 2YEAR: 1.51, 2018]
  • Karaouzas I, Theodoropoulos C, Vardakas L, Kalogianni E, Skoulikidis N. (2018). A review of the effects of pollution and water scarcity on the stream biota of an intermittent Mediterranean basin. River research & Applications 34:291–299, https://doi.org/10.1002/rra.3254 [IF 2YEAR: 2.012, 2018]
  • Vardakas L., Kalogianni E., Economou A.N., Koutsikos N., and Skoulikidis N.T. (2017). Mass mortalities and population recovery of an endemic fish assemblage in an intermittent river reach during drying and rewetting. Fundamental and Applied Limnology DOI: 10.1127/fal/2017/1056 [IF 2YEAR: 1.315, 2017]
  • Vardakas L., Kalogianni E., Papadaki C., Vavalidis T., Mentzafou A., Koutsoubas D. and Skoulikidis Th. N. (2017). Defining critical habitat conditions for the conservation of three endemic and endangered cyprinids in a Mediterranean intermittent river prior to the onset of drought. Aquatic Conservation: Marine and Freshwater Ecosystems, 27(6), 1270-1280https://doi.org/10.1002/aqc.2735 [IF 2YEAR: 3.054, 2017]
  • Koutsikos N., Economou AN., Vardakas L., Zogaris S., Kommatas D. (2017). First occurrence of an established population of sailfin molly, Poecilia latipinna (Actinopterygii: Cyprinodontiformes: Poeciliidae) in a Southeastern European tectonic lagoon. Acta Ichthyologica et Piscatoria DOI : 10.3750/aiep/02234 [IF 2YEAR: 0.771, 2017]
  • Piria, M., P. Simonović, E. Kalogianni, L. Vardakas, N. Koutsikos, D. Zanella, M. Ristovska, A. Apostolou, A. Adrović, D. Mrdak, A. S. Tarkan, D. Milošević, L. N. Zanella, R. Bakiu, F. G. Ekmekçi, M. Povž, K. Korro, V. Nikolić, R. Škrijelj, V. Kostov, A. Gregori, and M. K. Joy. (2017). Alien freshwater fish species in the Balkans -Vectors and pathways of introduction, Fish and Fisheries, https://doi.org/10.1111/faf.12242 [IF 2YEAR: 8.599, 2017]
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  • Kalogianni E., Vourka A., Karaouzas I., Vardakas L., Laschou S., Skoulikidis Th. N. (2017). Combined effects of water scarcity and pollution on macroinvertebrate and fish assemblages in a Mediterranean intermittent river. Science of the Total Environment. 15;603-604:639-650, https://doi.org/10.1016/j.scitotenv.2017.06.078 [IF 2YEAR: 5.039, 2017]
  • Skoulikidis NT, Sabater S, Datry T, Morais MM, Buffagni A, Dörflinger G, Zogaris S, del Mar Sánchez-Montoya M, Bonada N, Kalogianni E, Rosado J, Vardakas L, De Girolamo AM, Tockner K. (2017). Non-perennial Mediterranean rivers in Europe: status, pressures, and challenges for research and management. Science of the Total Environment.https://doi.org/10.1016/j.scitotenv.2016.10.147 [IF 2YEAR: 5.039, 2017]
  • Skoulikidis N., Vardakas L., Amaxidis Y., Michalopoulos P. (2017). Biogeochemical processes controlling aquatic quality during drying and rewetting events in a Mediterranean non-perennial river reach. Science of the Total Environment Volume 575, Pages 378–389 http://dx.doi.org/10.1016/j.scitotenv.2016.10.015 [IF 2YEAR: 5.039, 2017]
  • von Schiller D, Acuña V, Aristi I, Arroita A, Basaguren A, Bellin A, Boyero L, Butturini A, Ginebreda A., Kalogianni E., Larrañaga A., Majone B., Martínez A., Monroy S., Muñoz I., Paunović M., Pereda O., Petrovic M., Pozo J., Rodríguez- Mozaz S., Rivas D., Sabater S., Sabater F., Skoulikidis N., Solagaistua L., Vardakas L., A. Elosegi (2017). River ecosystem processes: A synthesis of approaches, criteria of use and sensitivity to environmental stressors. Science of the Total Environment 596–597: https://doi.org/10.1016/j.scitotenv.2017.04.081 [IF 2YEAR: 5.039, 2017]
  • Economou AN, Zogaris S, Vardakas L, Koutsikos N, Chatzinikolaou Y, Kommatas D, Kapakos Y, Giakoumi S, Economou E, Tachos V. (2016). Developing policy-relevant river fish monitoring in Greece: Insights from a nation-wide survey. Mediterranean Marine Science 17(1), 302-322. http://dx.doi.org/10.12681/mms.1585 [IF 2YEAR: 2.007, 2016]
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  • Papavlasopoulou I., Vardakas L., Perdikaris C., Kommatas D., Paschos I.: Ornamental fish in pet stores in Greece: A threat to biodiversity? (2014). Mediterranean Marine Science 01/2014; 15(1):126-134. https://doi.org/10.12681/mms.484 [IF 2YEAR: 1.851, 2014]
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  • Vanhove, M.P.M., Kovačić, M., Koutsikos N.E, Zogaris S., Vardakas L.E., Huyse T. & Economou A.N., (2011). First record of a landlocked population of marine Millerigobius macrocephalus (Gobiidae): observations from a unique spring-fed karstic lake (Lake Vouliagmeni, Greece) and phylogenetic positioning. Zoologischer Anzeiger 250: 195–204,https://doi.org/10.1016/j.jcz.2011.03.002[IF 2YEAR: 1.325, 2011]
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  • Zenetos, A. M.A. Pancucci-Papadopoulou, S. Zogaris, E. Papastergiadou A, L. Vardakas & A.N. Economou. Aquatic alien species in Greece: tracking sources, patterns and effects on the ecosystem. 2009. Journal of Biological Research- Thessaloniki 12: 135 – 172, 2009. [IF 2YEAR: 0.682, 2010]
  • Economou A.N., Giakoumi S., Vardakas L., Barbieri R., Stoumboudi M. & Zogaris S. (2007). The freshwater ichthyofauna of Greece – an update based on a hydrographic basin survey. Mediterranean Marine Science, 8(1), 91-166, https://doi.org/10.12681/mms.164 [IF 2YEAR: 0.909, 2007]