| More

Social media: a valuable tool to inform shark conservation in Greece

Views: 686 Downloads: 245
CHRISTOS TAKLIS, IOANNIS GIOVOS, ALEXANDROS A. KARAMANLIDIS (https://orcid.org/0000-0003-0943-1619)
CHRISTOS TAKLIS, IOANNIS GIOVOS, ALEXANDROS A. KARAMANLIDIS

Abstract


Sharks in the Mediterranean Sea are facing an elevated risk of extinction; several species are considered endangered and some
have been reduced to such low population numbers that they are hard to detect through conventional monitoring methods. The recent
emergence of new technologies, such as social media, makes it easier to collect and transmit information that may contribute
to the conservation of endangered species. From 2017 – 2019 we carried out a project in Greece that searched social media (i.e.
Facebook, Twitter and YouTube) postings with the aim of collecting data on the occurrence and basic biological parameters of
sharks in the country and their interactions with fisheries. We recorded 116 social media postings referring to sharks in Greece, of
which, 100 were identified to the lowest taxonomic level; sixty four percent of these postings referred to threatened sharks, while
the majority of them referred to species that had not been evaluated for the Greek Red Data Book. Sharks occurred throughout
the country, were often involved in negative fishery interactions and were rarely reported to have been released back to the sea.
Endangered sharks were often misidentified as commercially valuable species. Our study highlights the importance of social media
as a valuable tool in collecting baseline information, while identifying and/or focusing on important conservation issues about
sharks in Greece.


Keywords


Citizen science; fisheries interactions; eastern Mediterranean Sea; species conservation.

Full Text:

PDF

References


Bik, H.M., Goldstein, M.C., 2013. An introduction to social media for scientists. PLoS Biology, 11 (4), e1001535.

Bonnet Lebrun, A.-S., Karamanlidis, A.A., De Gabriel Hernando, M., Renner, I., Gimenez, O., 2020. Identifying priority conservation areas for a recovering brown bear population in Greece using citizen science data. Animal Conservation, 23, 83-93.

Butchart, S.H.M., Walpole, M., Collen, B., van Strien, A., Scharlemann, J.P.W. et al., 2010. Global biodiversity: Indicators of recent declines. Science, 328, 1164-1168.

Damalas, D., Megalofonou, P., 2010. Environmental effects on blue shark (Prionace glauca) and oilfish (Ruvettus pretiosus) distribution based on fishery-dependent data from the eastern Mediterranean Sea. Journal of the Marine Biological Association of the United Kingdom, 90 (3), 467-480.

Damalas, D., Megalofonou, P., 2012. Occurrences of large sharks in the open waters of the southeastern Mediterranean Sea. Journal of Natural History, 46 (43-44), 2701-2723.

Damalas, D., Vassilopoulou, V., 2011. Chondrichthyan by-catch and discards in the demersal trawl fishery of the central Aegean Sea (Eastern Mediterranean). Fisheries Research, 108

(1), 142-152.

Davidson, L.N., Krawchuk, M.A., Dulvy, N.K., 2016. Why have global shark and ray landings declined: improved management or overfishing? Fish and Fisheries, 17 (2),

-458.

Dickinson, J.L., Shirk, J., Bonter, D., Bonney, R., Crain, R.L. et al., 2012. The current state of citizen science as a tool for ecological research and public engagement. Frontiers in Ecology and the Environment, 10 (6), 291-297.

Dulvy, N.K., Allen, D.J., Ralph, G.M., Walls, R.H.L., 2016. The conservation of Sharks, Rays and Chimaeras in the Mediterranean Sea. IUCN, Malaga, Spain.

Ferretti, F., Myers, R.A., Serena, F., Lotze, H.K., 2008. Loss of large predatory sharks from the Mediterranean Sea. Conservation Biology, 22 (4), 952-964.

Follesa, M.C., Marongiu, M.F., Zupa, W., Bellodi, A., Cau, A. et al., 2019. Spatial variability of Chondrichthyes in the northern Mediterranean. Scientia Marina, 83S1, 81-100.

Giovos, I., Arculeo, M., Doumpas, N., Katsada, D., Maximiadi, M. et al., 2020. Assessing multiple sources of data to detect illegal fishing, trade and mislabelling of elasmobranchs in Greek markets. Marine Policy, 112, 103730.

Giovos, I., Chatzispyrou, A., Doumpas, N., Stoilas, V.O., Moutopoulos, D.K., 2018. Using unconventional sources of informationfor identifying critical areas for the endangered guitarfish in Greece. Journal of the Black Sea/Mediterranean Environment, 24 (1), 38-50.

Giovos, I., Ganias, K., Garagouni, M., Gonzalvo, J., 2016. Social media in the service of conservation: a case study of dolphins in the Hellenic Seas. Aquatic Mammals, 42 (1), 12-19.

Giovos, I., Stoilas, V.O., Al-Mabruk, S.A., Doumpas, N., Marakis, P. et al., 2019. Integrating local ecological knowledge, citizen science and long-term historical data for endangered species conservation: Additional records of angel sharks (Chondrichthyes: Squatinidae) in the Mediterranean Sea. Aquatic Conservation: Marine and Freshwater Ecosystems, 29 (6), 881-890.

IUCN, 2020. The IUCN Red List of Threatened Species. Version2020-1. https://www.iucnredlist.org (Accessed 17 January 2020)

Kim, Y., Huang, J., Emery, S., 2016. Garbage in, garbage out: data collection, quality assessment and reporting standards for social media data use in health research, infodemiology and digital disease detection. Journal of Medical Internet Research, 18 (2), e41.

Malhi, Y., Doughty, C.E., Galetti, M., Smith, F.A., Svenning, J. C. et al., 2016. Megafauna and ecosystem function from the Pleistocene to the Anthropocene. Proceedings of the National Academy of Sciences, 113 (4), 838-846.

Mancusi, C., Baino, R., Fortuna, C., De Sola, L., Morey, G., et al., 2020. MEDLEM database, a data collection on large Elasmobranchs in the Mediterranean and Black seas. Mediterranean

Marine Science, 21 (2), 276-288.

Megalofonou, P., 2009. Fishes of the Sea. p. 38-41. In: Red Data Book of the Threatened Animal Species of Greece. Legakis A., Maragou, P. (Eds). Hellenic Zoological Society,

Athens.

Megalofonou, P., Yannopoulos, C., Damalas, D., De Metrio, G., Deflorio, M., 2005. Incidental catch and estimated discards of pelagic sharks from the swordfish and tuna fisheries in the Mediterranean Sea. Fishery Bulletin, 103 (4), 620-634.

Myers, R.A., Worm, B., 2005. Extinction, survival or recovery of large predatory fishes. Philosophical Transactions of the Royal Society B: Biological Sciences, 360, 13-20.

Papaconstantinou, C., 2014. Fauna Graeciae. An updated checklist of the fishes in the Hellenic Seas. Monographs on Marine Sciences, 7, HCMR, Athens, 340 pp.

Pazartzi, T., Siaperopoulou, S., Gubili, C., Maradidou, S., Loukovitis, D. et al., 2019. High levels of mislabeling in shark meat–Investigating patterns of species utilization with DNA barcoding in Greek retailers. Food Control, 98, 179-186.

Sullivan, M., Robinson, S., Littnan, C., 2019. Social media as a data resource for #monkseal conservation. PLoS ONE, 14 (10), e0222627.

Tulloch, A., Possingham, H.P., Joseph, L.N., Szabo, J., Martin, T.G., 2013. Realising the full potential of citizen science monitoring programs. Biological Conservation, 165, 128-

Witmer, G.W., 2005. Wildlife population monitoring: somepractical considerations. Wildlife Research, 32 (3), 259-263.


Refbacks

  • There are currently no refbacks.