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Title:Multi-platform study of the extreme bloom of the barrel jellyfish Rhizostoma pulmo (Cnidaria: Scyphozoa) in the northernmost gulf of the Mediterranean Sea (Gulf of Trieste) in April 2021
Authors:ID Reyes Suárez, Nydia Catalina (Author)
ID Tirelli, Valentina (Author)
ID Ursella, Laura (Author)
ID Ličer, Matjaž (Author)
ID Celio, Massimo (Author)
ID Cardin, Vanessa (Author)
Files:URL URL - Source URL, visit https://doi.org/10.5194/os-18-1321-2022
 
.pdf PDF - Presentation file, download (10,49 MB)
MD5: 4372CB4C2AF6C8212B0DBFA08D224407
 
Language:English
Typology:1.01 - Original Scientific Article
Organization:Logo NIB - National Institute of Biology
Abstract:On 7 April 2021, an exceptional bloom of the scyphomedusa Rhizostoma pulmo was observed in the Gulf of Trieste (Italy). Blooms of this species in the northern Adriatic Sea have been reported since the late 1800s: the density of jellyfish observed in 2021 reached more than 10 specimens per square metre. We analyse the bloom from a multi-platform approach using observations and model data at different timescales. We attempt to explain the intensity of the bloom as a consequence of thermohaline and hydrodynamical conditions in the gulf. Meteo-oceanographic conditions that may have contributed to the exceptional aggregation of jellyfish observed along the northernmost coast of the Adriatic Sea are discussed in detail. Specifically, our results indicate that this bloom was enabled by (1) the presence of a high number of jellyfish in the gulf, probably linked to the anomalously warm sea conditions in spring 2020 and winter 2021, which may have favoured a longer reproductive period and enhanced survival of adult R. pulmo, respectively; and (2) strong wind events, such as the bora wind for the Gulf of Trieste, which enhanced upwelling and mixing processes in the gulf, bringing the jellyfish from the deeper waters to the surface and clustering them along the coast.
Keywords:jellyfishes, Gulf of Trieste, Mediterranean Sea, hydrobiology, marine biology
Publication status:Published
Publication version:Version of Record
Publication date:13.09.2022
Year of publishing:2022
Number of pages:str. 1321-1337
Numbering:Vol. 18, iss. 5
PID:20.500.12556/DiRROS-19404 New window
UDC:574
ISSN on article:1812-0784
DOI:10.5194/os-18-1321-2022 New window
COBISS.SI-ID:134311171 New window
Note:Ostali avtorji: Valentina Tirelli, Laura Ursella, Matjaž Ličer, Massimo Celio, and Vanessa Cardin;
Publication date in DiRROS:18.07.2024
Views:599
Downloads:295
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:
REYES SUÁREZ, Nydia Catalina, TIRELLI, Valentina, URSELLA, Laura, LIČER, Matjaž, CELIO, Massimo and CARDIN, Vanessa, 2022, Multi-platform study of the extreme bloom of the barrel jellyfish Rhizostoma pulmo (Cnidaria: Scyphozoa) in the northernmost gulf of the Mediterranean Sea (Gulf of Trieste) in April 2021. Ocean Science [online]. 2022. Vol. 18, no. 5, p. 1321–1337. [Accessed 10 April 2025]. DOI 10.5194/os-18-1321-2022. Retrieved from: https://dirros.openscience.si/IzpisGradiva.php?lang=eng&id=19404
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Record is a part of a journal

Title:Ocean Science
Shortened title:Ocean Sci.
Publisher:EGU
ISSN:1812-0784
COBISS.SI-ID:2813775 New window

Document is financed by a project

Funder:Other - Other funder or multiple funders
Funding programme:Interreg MED Strategic Project
Project number:61184
Acronym:SHAREMED

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.

Secondary language

Language:Slovenian
Keywords:meduze, Tržaški zaliv, Sredozemsko morje, hidrobiologija, morska biologija


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