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Introduced species in Mediterranean marine caves: an increasing but neglected threat

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Ελληνικό Κέντρο Θαλασσίων Ερευνών (ΕΛΚΕΘΕ)   

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Mediterranean Marine Science  | ΕΚΤ eJournals   

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Introduced species in Mediterranean marine caves: an increasing but neglected threat (EN)
ZENETOS, ARGYRO
KATSANEVAKIS, STELIOS
GEROVASILEIOU, VASILIS
BANCILA, RALUCA IOANA
Marine caves are protected habitats with high biodiversity and low ecological resilience, vulnerable to multiple pressures including biological invasions. Therefore, comprehensive lists of alien species in sea caves and assessments of their impacts are urgently needed. This study aimed to provide an updated and validated list of introduced species in marine caves of the Mediterranean Sea based on the latest available checklist (2014). The number of introduced species in the updated list (December 2022 status) has doubled in the last eight years. The updated checklist includes 126 species (107 alien, 15 cryptogenic, two crypto-expanding, and two questionable) belonging to 12 phyla. The highest number of introduced species in caves was evidenced in the eastern Mediterranean (105), specifically in the Levantine (99) and the Aegean (34) ecoregions. Most introduced species originated from the Indo-Pacific. Most species entered the Mediterranean Sea through the Suez Canal, followed by species transferred via vessels. Most introduced species were found at the entrance and in the semi-dark zone of caves (60 and 52 species, respectively), with only 19 species being reported from the dark zone. Approximately 28% of the introduced species have a high impact on ecosystems, including nine of the ten worst invasive species in the Mediterranean Sea. Despite the lack of data on the impact of introduced species on marine cave biodiversity, given their high species richness and the recently reported population explosions of some alien fish in the eastern Mediterranean, our results highlight the need for continuous inventorying and monitoring. (EN)
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Alien species (EN)
sea caves (EN)
Mediterranean Sea (EN)
non-indigenous species (EN)
Ελληνικό Κέντρο Θαλασσίων Ερευνών (ΕΛΚΕΘΕ)
Mediterranean Marine Science
Review Article
Mediterranean Marine Science
Αγγλική γλώσσα
2022-12-22
https://ejournals.epublishing.ekt.gr/index.php/hcmr-med-mar-sc/article/view/31284
Hellenic Centre for Marine Research (EN)
1791-6763
1108-393X
Mediterranean Marine Science; Τόμ. 23 Αρ. 4 (2022): VOL 23, No 4 (2022); 995-1005 (EL)
Mediterranean Marine Science; Vol. 23 No. 4 (2022): VOL 23, No 4 (2022); 995-1005 (EN)
Copyright (c) 2022 Mediterranean Marine Science (EN)



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