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Citizen-science for monitoring marine invasions and stimulating public engagement: a case project from the eastern Mediterranean

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Abstract

The distribution of marine life has been alarmingly reshaped lately and the number of non-indigenous species and their impacts are rapidly escalating globally. Timely and accurate information about the occurrence of non-indigenous species are of major importance for the mitigation of the issue. However, still large gaps in knowledge about marine bioinvasion exist. Mediterranean Sea is among the most impacted ecoregions globally. In this work we present a comprehensive overview of the project “Is is Alien to you? Share it!!!” which monitors non-indigenous species in Greece and Cyprus with the help of citizen scientists. The goal of this work is to present this project as a case study in order to demonstrate how citizen science can substantially contribute to the monitoring of biological invasions. We compared the projects database with the databased of ELNAIS and EASIN, for discuss weaknesses and advantages and future steps for advancing the effort. In total 691 records of marine alien and cryptogenic species were collected in these 2 years from Greece and Cyprus, with the density of records reaching 20 observations per km2 in some locations. The project has contributed significantly in the assessment of descriptor D2 “Exotic Species” of the Marine Strategy Framework Directive, with 3 new species for Greece. Future steps should focus on training citizens to report less reported taxa and raising the awareness of all relevant stakeholders.

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Acknowledgements

We would like to warmly thank all citizen scientists that contributed to the project and all scientists that collaborated or involved in the project “Is it Alien to you? Share it”. We thank two anonymous reviewers and the handling editor for their constructive comments.

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Authors and Affiliations

  1. iSea, Environmental Organization for the Preservation of the Aquatic Ecosystems, Ochi Av, 11, 55438, Thessaloniki, Greece

    Ioannis Giovos, Periklis Kleitou, Nikolaos Doumpas, Ioannis Keramidas, Mary Maximiadi, Eleni Mitsou, Vasileios-Orestis Stoilas & Georgios Romanidis-Kyriakidis

  2. Marine and Environmental Research (MER) Lab Ltd., 202 Amathountos Av., Marina Gardens, Block B, Offices # 13-14, Parekklisia, 4533, Limassol, Cyprus

    Periklis Kleitou

  3. School of Biological and Marine Sciences, Plymouth University, Plymouth, PL4 8AA, UK

    Periklis Kleitou

  4. Foundation for Research and Technology—Hellas (FORTH), Institute of Applied and Computational Mathematics, N. Plastira 100, Vassilika Vouton, 70013, Heraklion, Greece

    Dimitris Poursanidis

  5. Department of Marine Sciences, School of the Environment, University of the Aegean, 81100, Mytilene, Lesvos Island, Greece

    Ioannis Batjakas, Thodoros E. Kampouris & Stelios Katsanevakis

  6. Department of Ecology and Evolutionary Biology, University of California Santa Cruz, Santa Cruz, CA, USA

    Giacomo Bernardi

  7. Department of Integrative Marine Ecology, Stazione Zoologica Anton Dohrn, Villa Comunale, 80121, Naples, Italy

    Fabio Crocetta

  8. Hellenic Centre for Marine Research, Hydrobiological Station of Rhodes, 85100, Rhodes, Greece

    Stefanos Kalogirou

  9. Dipartimento di Biologia, Università di Pisa, Via Derna 1, 56126, Pisa, Italy

    Joachim Langeneck

  10. Department of Biological, Geological and Environmental Sciences, University of Catania, Catania, Italy

    Francesco Tiralongo

  11. Ente Fauna Marina Mediterranea, Avola, Italy

    Francesco Tiralongo

  12. Institute of Marine Biological Resources and Inland Waters, Hellenic Centre for Marine Research, 19013, Anavyssos, Greece

    Nicholas-Jason Xentidis & Argyro Zenetos

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  1. Ioannis Giovos
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  2. Periklis Kleitou
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  19. Stelios Katsanevakis
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Correspondence to Ioannis Giovos.

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Giovos, I., Kleitou, P., Poursanidis, D. et al. Citizen-science for monitoring marine invasions and stimulating public engagement: a case project from the eastern Mediterranean. Biol Invasions 21, 3707–3721 (2019). https://doi.org/10.1007/s10530-019-02083-w

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