Local diversity and recruitment on artificial substrates: Mytilus galloprovincialis (Lamarck, 1819) vs Sabella spallanzanii (Gmelin, 1791) (Mediterranean Sea)

2021 ◽  
Author(s):  
Daniele Arduini ◽  
Jacopo Borghese ◽  
Marco Lezzi ◽  
Cinzia Gravili ◽  
Maria Flavia Gravina ◽  
...  
Keyword(s):  
Mediterranean Sea ◽  
Mytilus Galloprovincialis ◽  
Artificial Substrates ◽  
Local Diversity

scholarly journals Seasonal and bathymetric effects on macrofouling invertebrates’ primary succession in a mediterraenan non-indigenous species hotspot area

2018 ◽  
Vol 19 (3) ◽  
pp. 572 ◽  
Author(s):  
MARCO LEZZI ◽  
ADRIANA GIANGRANDE
Keyword(s):  
Community Development ◽  
Species Interactions ◽  
Primary Succession ◽  
Mytilus Galloprovincialis ◽  
Abundant Species ◽  
Artificial Substrates ◽  
Indigenous Species ◽  
Central Mediterranean ◽  
Almost All ◽  
Non Indigenous Species

The present study investigates macrofouling development in the Mar Grande of Taranto (Central Mediterranean Sea), a wide confined area that has attracted considerable attention in recent years due to the establishment of numerous non-indigenous species (NIS). Different starting times of a yearly primary succession on artificial substrates were tracked so as to investigate the matching of the development pattern with contingency and/or convergence models, identifying NIS’s structural role in the community endpoint. Our results show that during the experiment all assemblages tended to converge towards multiple contingent communities according to starting times and depths. The differences are due to propagule availability which influence further species interactions. Thus the endpoint patterns are defined by a contingent community development determined by the seasonal species pool, their phenologies, pre- and post-settlement events, and species interactions. The most important structuring species was Mytilus galloprovincialis, which was present in almost all the endpoint assemblages, in particular when it recruits at early stages of the community development. Another abundant species at the endpoint was the alien Branchiomma boholense; which was a persistent structural component contributing to an alternative state in which Mytilus galloprovincialis loses its structural importance and where B. boholense becomes dominant, leading to an increase in fouling biodiversity of the endpoint assemblage.

Microcystin producing cyanobacterial communities in Amvrakikos Gulf (Mediterranean Sea, NW Greece) and toxin accumulation in mussels (Mytilus galloprovincialis)

Harmful Algae ◽  
2012 ◽  
Vol 15 ◽  
pp. 109-118 ◽  
Author(s):  
Katerina Vareli ◽  
Ekaterini Zarali ◽  
Georgios S.A. Zacharioudakis ◽  
Georgios Vagenas ◽  
Vasileios Varelis ◽  
...  
Keyword(s):  
Mediterranean Sea ◽  
Mytilus Galloprovincialis ◽  
Toxin Accumulation

Spatial and seasonal distribution of ascidians in a semi-enclosed basin of the Mediterranean Sea

2008 ◽  
Vol 88 (5) ◽  
pp. 1053-1061 ◽  
Author(s):  
F. Mastrototaro ◽  
G. D'Onghia ◽  
A. Tursi
Keyword(s):  
Mediterranean Sea ◽  
Marine Pollution ◽  
Ciona Intestinalis ◽  
Abundant Species ◽  
Artificial Substrates ◽  
Larval Recruitment ◽  
Styela Plicata ◽  
Mar Piccolo Of Taranto ◽  
The Mediterranean ◽  
Shallow Water Species

A total of 25 species of ascidians were collected in the Mar Piccolo of Taranto, a semi-enclosed Mediterranean basin. Three are non-indigenous for the Mediterranean Sea: Microcosmus squamiger, Polyandrocarpa zorritensis and Distaplia bermudensis. The substrate features, season and depth affect the distribution of ascidians in the study area. Some species, such as Pyura dura and Pyura microcosmus, were found only on artificial substrates, while Ascidiella aspersa was almost exclusively recovered on natural bottoms. Seasonal variation in the ascidian distribution and abundance seems to be due mainly to their biological cycles, larval recruitment and adaptation. During the autumn and winter the most abundant species were Clavelina phlegraea and Ciona intestinalis, while A.aspersa was particularly abundant during spring. Depth and more directly light intensity play an important role in ascidian distribution. In the upper few metres the shallow-water species Polyandrocarpa zorritensis was abundant due to its photopositive larvae. Even though the distribution and abundance changed significantly between substrates, seasons and depths, the most abundant species in the Mar Piccolo of Taranto were Clavelina phlegraea, Ciona intestinalis and Styela plicata all of which are able to tolerate the variations in environmental conditions, low rate of water renewal and continuous silting of this semi-enclosed sea. Assuming the role that the above mentioned species have as marine pollution indicators and the abundance recorded for some of them, a high degree of environmental stress can be confirmed for the Mar Piccolo of Taranto. A comparative list of the ascidians recorded in this and previous studies is also reported.

First record of the bivalve-inhabiting hydroid Eugymnanthea inquilina in the eastern Mediterranean Sea (Gulf of Thessaloniki, north Aegean Sea, Greece)

2002 ◽  
Vol 82 (5) ◽  
pp. 851-853 ◽  
Author(s):  
Abdalnasser Rayyan ◽  
John Christidis ◽  
Chariton C. Chintiroglou
Keyword(s):  
Mediterranean Sea ◽  
Mytilus Galloprovincialis ◽  
Eastern Mediterranean ◽  
Aegean Sea ◽  
First Record ◽  
Biometric Data ◽  
Eastern Mediterranean Sea ◽  
North Aegean ◽  
North Aegean Sea ◽  
Biological Differences

The first record of a bivalve-inhabiting hydrozoan Eugymnanthea inquilina was found in Thermaikos Gulf, north Aegean Sea, eastern Mediterranean Sea, associated with Mytilus galloprovincialis. Analyses of biometric data point the same biological differences between the Mediterranean and the Japanese Eugymnanthea, as reported by previous researchers.

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