scholarly journals Occurrence of ascaridoid nematodes in Illex coindetii, a commercially relevant cephalopod species from the Ligurian Sea (Northwest Mediterranean Sea)

Food Control ◽  
2020 ◽  
Vol 116 ◽  
pp. 107311
Author(s):  
Vasco Menconi ◽  
Paolo Pastorino ◽  
Erika Astrid Virginie Burioli ◽  
Marzia Righetti ◽  
Tommaso Scanzio ◽  
...  
Keyword(s):  
Mediterranean Sea ◽  
Ligurian Sea ◽  
Cephalopod Species

Food of striped dolphin, Stenella coeruleoalba, in the Ligurian Sea

1993 ◽  
Vol 73 (3) ◽  
pp. 571-578 ◽  
Author(s):  
M. Würtz ◽  
D. Marrale
Keyword(s):  
Mediterranean Sea ◽  
Western Mediterranean ◽  
Important Food ◽  
Ligurian Sea ◽  
Stenella Coeruleoalba ◽  
Striped Dolphin ◽  
Western Mediterranean Sea ◽  
Bony Fishes ◽  
Food Species ◽  
Ligurian Coast

The stomachsof 23 striped dolphins (Stenella coeruleoalba Meyen, 1833, Cetacea), stranded along the Ligurian coast (western Mediterranean Sea), contained 32 species of cephalopods, crustaceans and fishes, totalling an estimated 2,723 prey specimens representing about 36 kg in weight. Cephalopods and bony fishes were equally important in the diet (50%). Todarodes sagittatus (34.5%) and Micromesistius poutassou (25.9%) were found to be the most important food species. Other species belonging to six cephalopod families, three crustacean families and nine bony fish families, contributed to the diet with variable numbers, weights, and occurrences, demonstrating the opportunistic character of striped dolphin feeding.

scholarly journals First data on plastic ingestion by blue sharks (Prionace glauca) from the Ligurian Sea (North-Western Mediterranean Sea)

2018 ◽  
Vol 135 ◽  
pp. 303-310 ◽  
Author(s):  
Ilaria Bernardini ◽  
Fulvio Garibaldi ◽  
Laura Canesi ◽  
Maria Cristina Fossi ◽  
Matteo Baini
Keyword(s):  
Mediterranean Sea ◽  
Western Mediterranean ◽  
Ligurian Sea ◽  
Prionace Glauca ◽  
Western Mediterranean Sea ◽  
North Western

Seawater warming at the northern reach for southern species: Gulf of Genoa, NW Mediterranean

2017 ◽  
Vol 98 (1) ◽  
pp. 1-12 ◽  
Author(s):  
Carlo Nike Bianchi ◽  
Francesco Caroli ◽  
Paolo Guidetti ◽  
Carla Morri
Keyword(s):  
Mediterranean Sea ◽  
Native Species ◽  
Indigenous Species ◽  
Ligurian Sea ◽  
The North ◽  
Nw Mediterranean ◽  
The Mediterranean ◽  
Non Indigenous Species ◽  
Southern Species ◽  
North Western

Global warming is facilitating the poleward range expansion of plant and animal species. In the Mediterranean Sea, the concurrent temperature increase and abundance of (sub)tropical non-indigenous species (NIS) is leading to the so-called ‘tropicalization’ of the Mediterranean Sea, which is dramatically evident in the south-eastern sectors of the basin. At the same time, the colder north-western sectors of the basin have been said to undergo a process of ‘meridionalization’, that is the establishment of warm-water native species (WWN) previously restricted to the southern sectors. The Gulf of Genoa (Ligurian Sea) is the north-western reach for southern species of whatever origin in the Mediterranean. Recent (up to 2015) observations of NIS and WWN by diving have been collated to update previous similar inventories. In addition, the relative occurrences of both groups of southern species have been monitored by snorkelling between 2009 and 2015 in shallow rocky reefs at Genoa, and compared with the trend in air and sea surface temperatures. A total of 20 southern species (11 NIS and 9 WWN) was found. Two WWN (the zebra seabream Diplodus cervinus and the parrotfish Sparisoma cretense) and three NIS (the SW Atlantic sponge Paraleucilla magna, the Red Sea polychaete Branchiomma luctuosum, and the amphi-American and amphi-Atlantic crab Percnon gibbesi) are new records for the Ligurian Sea, whereas juveniles of the Indo-Pacific bluespotted cornetfish Fistularia commersonii have been found for the first time. While temperature has kept on increasing for the whole period, with 2014 and 2015 being the warmest years since at least 1950, the number of WWN increased linearly, that of NIS increased exponentially, contradicting the idea of meridionalization and supporting that of tropicalization even in the northern sectors of the Mediterranean basin.

scholarly journals Vulnerable Forests of the Pink Sea Fan Eunicella verrucosa in the Mediterranean Sea

Diversity ◽  
2020 ◽  
Vol 12 (5) ◽  
pp. 176 ◽  
Author(s):  
Giovanni Chimienti
Keyword(s):  
Mediterranean Sea ◽  
Citizen Science ◽  
New Records ◽  
Management Strategies ◽  
Science Data ◽  
Ligurian Sea ◽  
New Finding ◽  
Commercial Value ◽  
The Mediterranean ◽  
Sea Fan

The pink sea fan Eunicella verrucosa (Cnidaria, Anthozoa, Alcyonacea) can form coral forests at mesophotic depths in the Mediterranean Sea. Despite the recognized importance of these habitats, they have been scantly studied and their distribution is mostly unknown. This study reports the new finding of E. verrucosa forests in the Mediterranean Sea, and the updated distribution of this species that has been considered rare in the basin. In particular, one site off Sanremo (Ligurian Sea) was characterized by a monospecific population of E. verrucosa with 2.3 ± 0.2 colonies m−2. By combining new records, literature, and citizen science data, the species is believed to be widespread in the basin with few or isolated colonies, and 19 E. verrucosa forests were identified. The overall associated community showed how these coral forests are essential for species of conservation interest, as well as for species of high commercial value. For this reason, proper protection and management strategies are necessary.

scholarly journals Study of fine-scale dynamics and their coupling with biogeochemistry - FUMSECK cruise

2021 ◽  
Author(s):  
Stéphanie Barrillon ◽  
Caroline Comby ◽  
Jean-Luc Fuda ◽  
Anne Petrenko ◽  
Melilotus Thyssen ◽  
...  
Keyword(s):  
Mediterranean Sea ◽  
Free Fall ◽  
Storm Event ◽  
Fine Scale ◽  
Carbon Export ◽  
Ligurian Sea ◽  
Micro Particles ◽  
Nw Mediterranean ◽  
Spatio Temporal

<p>FUMSECK (Facilities for Updating the Mediterranean Submesoscale - Ecosystem Coupling Knowledge) is a one-week cruise, which took place in spring 2019, in the gulf of Genoa (NW Mediterranean Sea), onboard the R/V Téthys II. It was conducted in preparation of the BioSWOT-Med cruise in the SW Mediterranean Sea in 2022, planned as part of the ``Adopt a Cross Over'' initiative organising simultaneous oceanographic cruises around the world during the SWOT fast sampling phase. During FUMSECK we tested various technological innovations for the study of fine-scale dynamics and their coupling with biogeochemistry.</p><p>By their interactions, the fine scales could induce some ageostrophic and tridimensional dynamics, which are a critical point for the understanding of the vertical exchanges and their effect on biogeochemistry. Therefore, the fine scales play a key role in the oceans global balance and, despite their low intensity, clearly impact processes such as nutriment vertical transfer and carbon export. However, their ephemeral nature complicates their in situ measurements, which are nevertheless essential for their understanding and for the confirmation of the models’ prediction and the satellite observations. Furthermore, measuring vertical velocities in situ represents a real challenge since they are several orders of magnitude below the horizontal ones.</p><p>The FUMSECK cruise benefited from the automatic Lagrangian SPASSO treatment of the satellite data with an onshore team providing a daily bulletin of analysis and guidance on the fine-scale structures in the studied area. The distribution of phytoplankton functional groups at a small spatio-temporal scale was measured by automated flow cytometry with imaging. This technology allows to address the distribution of phytoplankton at fine scales within its hydrodynamic context. Several methods of measuring vertical velocities have been deployed, using different ADCP at fixed depth and in profile, FF-ADCP (Free Fall ADCP), the VVP (Vertical Velocities Profiler) prototype developed at MIO, and a SeaExplorer glider. These methods have shown promising results for in situ measurement of vertical velocities. Overall results show an abrupt change of population associated with a fine-scale structure appearance in relation with a storm event.</p><p>In addition, in order to study the physical part of the biological carbon pump, we experienced the release, following, pumping and detection by cytometry of a sample of biodegradable micro-particles that mimic the phytoplankton, and established a proof-of-concept for this method. Finally, we studied the MVP (Moving Vessel Profiler) instruments behaviour and reduced significantly a rotative effect.</p><p>We will describe the instrumental and analysis methodology deployed during FUMSECK in the study area of the Ligurian Sea, including the Northern Current, and present the results on the fine-scale dynamics and their impact on biology.</p>

scholarly journals The northernmost record of the blue-spotted cornetfish from the Mediterranean Sea

2008 ◽  
Vol 9 (2) ◽  
pp. 125 ◽  
Author(s):  
A. OCCHIPINTI-AMBROGI ◽  
B.S. GALIL
Keyword(s):  
Mediterranean Sea ◽  
Ligurian Sea ◽  
Fast Spreading ◽  
The Mediterranean

A school of Fistularia commersonii was sighted off Laigueglia (Italy), Northwestern Ligurian Sea, inAugust 2008. This fast spreading invasive Indo-Pacific fish was first recorded in the Mediterranean fromIsrael, and it has since spread clear across the sea. This is the northernmost record from the Mediterranean.

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