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4. Detection of Dinophysis species and associated okadaic acid in farmed shellfish: a two-year study from the western Mediterranean area

Author

Bazzoni Anna Maria, Mudadu Alessandro G., Lorenzoni Giuseppa, Soro Barbara, Bardino Nadia, Arras Igor, Sanna Giovanna, Vodret Bruna, Bazzardi Riccardo, Marongiu Edoardo, and Virgilio Sebastiano

Subjects
shellfish, lipophilic biotoxins, dinophysis acuminata, dinophysis sacculus, sardinia, Veterinary medicine, SF600-1100
Abstract

Diarrhoetic shellfish poisoning (DSP), an alimentary intoxication known to lead to intestinal symptoms, and caused by toxins produced by some dinoflagellates (including several Dinophysis), represents a serious threat to public health. The aim of this paper was to provide information about the occurrence and abundance of potentially toxic harmful algal species causing DSP, and the associated concentration of okadaic acid (OA) toxins. The departing assumption was that in the study area there was an increase in the presence both of Dinophysis species and OA and its derivates that could result in a risk to the health of seafood consumers.

Published
2018
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7. A Year of Bio-Monitoring (2021): Presence of Algae of the Genus Alexandrium, Dinophysis, Prorocentrum and Non-Compliance for Paralytic Toxins and Lipophilic Toxins in Bivalve Mollusks Bred in Sardinia (W Mediterranean Sea)

Author

Lorenzoni, Giuseppa, primary, Bazzoni, Anna Maria, additional, Cangini, Monica, additional, Dall’Ara, Sonia, additional, Melillo, Rita, additional, Mudadu, Alessandro Graziano, additional, Cau, Simona, additional, Soro, Barbara, additional, Ledda, Salvatore, additional, Piras, Gabriella, additional, Tedde, Tiziana, additional, Salza, Sara, additional, Arras, Igor, additional, Porqueddu, Giuseppa, additional, and Meloni, Domenico, additional

Published
2022
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8. Determination of phytoplankton in water samples, algal biotoxins, microbiological parameters and microplastics in Mediterranean mussels (Mytilus galloprovincialis Lamarck, 1819) from an experimental pilot farm in the Calich Lagoon (Sardinia, Italy)

Author

Mudadu, Alessandro Graziano, primary, Bazzoni, Anna Maria, additional, Melillo, Rita, additional, Lorenzoni, Giuseppa, additional, Piras, Gabriella, additional, Salza, Sara, additional, Cau, Simona, additional, Soro, Barbara, additional, Vodret, Bruna, additional, Tedde, Tiziana, additional, Fois, Nicola, additional, Serra, Simonetto, additional, Virgilio, Sebastiano, additional, and Meloni, Domenico, additional

Published
2022
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9. Occurrence of trace elements in Mediterranean mussels (Mytilus galloprovincialis Lamarck, 1819) from an experimental pilot farm in the Calich Lagoon (Sardinia, Italy)

Author

Meloni, Domenico, primary, Mudadu, Alessandro Graziano, additional, Abete, Maria Cesarina, additional, Bazzoni, Anna Maria, additional, Griglione, Alessandra, additional, Pederiva, Sabina, additional, Stella, Caterina, additional, Serra, Simonetto, additional, Fois, Nicola, additional, Esposito, Giuseppe, additional, and Squadrone, Stefania, additional

Published
2022
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10. A Year of Bio-Monitoring (2021): Presence of Algae of the Genus Alexandrium , Dinophysis , Prorocentrum and Non-Compliance for Paralytic Toxins and Lipophilic Toxins in Bivalve Mollusks Bred in Sardinia (W Mediterranean Sea).

Author

Lorenzoni, Giuseppa, Bazzoni, Anna Maria, Cangini, Monica, Dall'Ara, Sonia, Melillo, Rita, Mudadu, Alessandro Graziano, Cau, Simona, Soro, Barbara, Ledda, Salvatore, Piras, Gabriella, Tedde, Tiziana, Salza, Sara, Arras, Igor, Porqueddu, Giuseppa, and Meloni, Domenico

Subjects
PARALYTIC shellfish toxins, MOLLUSKS, TOXINS, ALEXANDRIUM, BIVALVES
Abstract

Bivalve mollusk production represents the principal aquaculture activity in Sardinia (40°03′ N, 9°05′ E). In 2021, 859 water samples and 1270 mollusk samples were analyzed. The species Alexandrium minutum caused the accumulation of Paralytic Shellfish Toxins (PST) in three samples of bivalve mollusks. Dinophysis acuminata complex caused the accumulation of lipophilic toxins (LTs) belonging to the okadaic acid group (OAs) in 18 samples of bivalve mollusks. The research of paralytic shellfish toxins (PSTs) in shellfish samples has been carried out with LC-FLD, as mentioned in the AOAC 2005 Official Method 2005.06. The determination of LTs was carried out by LC-MS/MS analysis. DTX2, belonging to the group of OA toxins, was detected for the first time in Sardinia, in mussels sampled in Tortolì. The presence of Dinophysis and Prorocentrum species was correlated with the accumulation of the OA toxin group in bivalve mollusks, showing a certain repeatability at certain times of the year in the areas included in the study. The results of the present study can help to plan and organize more effective bio-monitoring sampling strategies. [ABSTRACT FROM AUTHOR]

Published
2023
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11. Presence, Seasonal Distribution, and Biomolecular Characterization of Vibrio parahaemolyticus and Vibrio vulnificus in Shellfish Harvested and Marketed in Sardinia (Italy) between 2017 and 2018

Author

Lorenzoni, Giuseppa, primary, Tedde, Giuseppe, additional, Mara, Laura, additional, Bazzoni, Anna Maria, additional, Esposito, Giuseppe, additional, Salza, Sara, additional, Piras, Gabriella, additional, Tedde, Tiziana, additional, Bazzardi, Riccardo, additional, Arras, Igor, additional, Uda, Maria Teresa, additional, Virgilio, Sebastiano, additional, Meloni, Domenico, additional, and Mudadu, Alessandro Graziano, additional

Published
2021
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12. Influence of seasonality on the presence of okadaic acid associated with Dinophysis species: A four-year study in Sardinia (Italy)

Author

Mudadu, Alessandro Graziano, Bazzoni, Anna Maria, Bazzardi, Riccardo, Lorenzoni,Giuseppa, Soro, Barbara, Bardino, Nadia, Arras, Igor, Sanna, Giovanna, Vodret, Bruna, and Virgilio, Sebastiano

Subjects
lcsh:Food processing and manufacture, Dinophysis species, Okadaic acid, Seasonality, Diarrhoetic shellfish poisoning, Mollusc production areas, lcsh:TP368-456
Abstract

In Sardinia (Italy), bivalve molluscsproduction plays an important role in thetrade balance. Diarrhoetic shellfish poisoning(DSP), an intoxication caused by theingestion of bivalve molluscs that haveaccumulated high levels of Okadaic acid(OA), may represent a serious risk for thepublic health and a remarkable economicloss for the producers. Aim of this work wasto improve knowledge about the repeatabilityof OA accumulation phenomena in variousseasons trying to understand whether ornot there was a trend. Also, the interactionbetween toxic algae and OA accumulationwas examined. In this study, data oflipophilic toxins, water temperature andabundance of DSP-producing microalgalspecies were collected in a four-year period(2015–2018) in coastal production areas ofSardinia. Several episodes of OA positivevalues (>160 eq μgAO/Kg pe, Reg 853/04)were recorded during the study period indifferent production areas of Sardinia and indifferent seasons. A seasonal repeatabilityof OA accumulation in molluscs wasobserved in some production areas; moreover,different temporal gaps between thepresence of toxic algae and OA accumulationwere reported. Toxicity was observedalmost exclusively in Mytilus galloprovincialisLamark (99%), being this matrix themost abundant species bred in Sardinia.&nbsp

Published
2021

14. New evidence of pectenotoxins in farmed bivalve molluscs from Sardinia (Italy)

Author

Mudadu, Alessandro G., primary, Bazzoni, Anna Maria, additional, Melillo, Rita, additional, Satta, Cecilia Teodora, additional, Cau, Simona, additional, Congiu, Virgilio, additional, Soro, Barbara, additional, Bazzardi, Riccardo, additional, Lorenzoni, Giuseppa, additional, Piras, Gabriella, additional, Bardino, Nadia, additional, Vodret, Bruna, additional, and Virgilio, Sebastiano, additional

Published
2021
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15. Longitudinal Study on Seasonal Variation of Marine Biotoxins and Related Harmful Algae in Bivalve Mollusks Bred in Sardinia (Italy, W Mediterranean Sea) from 2015 to 2020 and Assessment of Potential Public Health Risks

Author

Mudadu, Alessandro G., primary, Bazzoni, Anna Maria, additional, Congiu, Virgilio, additional, Esposito, Giuseppe, additional, Cesarani, Alberto, additional, Melillo, Rita, additional, Lorenzoni, Giuseppa, additional, Cau, Simona, additional, Soro, Barbara, additional, Vodret, Bruna, additional, Meloni, Domenico, additional, and Virgilio, Sebastiano, additional

Published
2021
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16. Bacterial and Viral Investigations Combined with Determination of Phytoplankton and Algal Biotoxins in Mussels and Water from a Mediterranean Coastal Lagoon (Sardinia, Italy)

Author

Bazzoni, Anna Maria, primary, Mudadu, Alessandro Graziano, additional, Esposito, Giuseppe, additional, Urru, Roberta, additional, Ortu, Sergio, additional, Mara, Laura, additional, Uda, Maria Teresa, additional, Arras, Igor, additional, Lorenzoni, Giuseppa, additional, Sanna, Giovanna, additional, Bazzardi, Riccardo, additional, Marongiu, Edoardo, additional, Virgilio, Sebastiano, additional, and Meloni, Domenico, additional

Published
2019
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17. Presence, Seasonal Distribution, and Biomolecular Characterization of Vibrio parahaemolyticusand Vibrio vulnificusin Shellfish Harvested and Marketed in Sardinia (Italy) between 2017 and 2018

Author

Lorenzoni, Giuseppa, Tedde, Giuseppe, Mara, Laura, Bazzoni, Anna Maria, Esposito, Giuseppe, Salza, Sara, Piras, Gabriella, Tedde, Tiziana, Bazzardi, Riccardo, Arras, Igor, Uda, Maria Teresa, Virgilio, Sebastiano, Meloni, Domenico, and Mudadu, Alessandro Graziano

Abstract

In the present study, we investigated the presence, seasonal distribution, and biomolecular characteristics of Vibrio parahaemolyticusand Vibrio vulnificusin samples of bivalve mollusks (Mytilus galloprovincialis, Crassostrea gigas,and Ruditapes decussatus) harvested and marketed in Sardinia (Italy) between 2017 and 2018. A total of 435 samples were submitted for qualitative determination of Vibriospp., V. parahaemolyticus,and V. vulnificus. Potentially enteropathogenic isolates were detected with biomolecular methods. The overall prevalence of Vibriospp. was 7.6%. The highest Vibrioprevalence was found in R. decussatus(8.3%). The prevalences of V. parahaemolyticusand V. vulnificuswere 2.7 and 4.8%, respectively. Higher prevalences of V. parahaemolyticusand V. vulnificuswere found in R. decussatus(4.2%) and C. gigas(6.2%), respectively. Only two pathogenic V. parahaemolyticusstrains were recovered (genotypes: tdh− and trh+; tdh+ and trh−), both from M. galloprovincialis. None of the isolates were tdh+ and trh+. Pathogenic Vibrioinfections are often underestimated, and human infections are increasing in Europe. European data on the true distribution of Vibrionaceaeare scarce, and the results of the present study highlight the need of constant monitoring to update the distribution of pathogenic vibrios.

Published
2021
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20. Paralytic Shellfish Toxins and Cyanotoxins in the Mediterranean: New Data from Sardinia and Sicily (Italy)

Author

Lugliè, Antonella, primary, Giacobbe, Maria Grazia, additional, Riccardi, Elena, additional, Bruno, Milena, additional, Pigozzi, Silvia, additional, Mariani, Maria Antonietta, additional, Satta, Cecilia Teodora, additional, Stacca, Daniela, additional, Bazzoni, Anna Maria, additional, Caddeo, Tiziana, additional, Farina, Pasqualina, additional, Padedda, Bachisio Mario, additional, Pulina, Silvia, additional, Sechi, Nicola, additional, and Milandri, Anna, additional

Published
2017
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21. Correction: Occurrence of harmful algal species and shellfish toxicity in Sardinia (Italy)

Author

Bazzoni, Anna Maria, primary, Mudadu, Alessandro Graziano, additional, Lorenzoni, Giuseppa, additional, Arras, Igor, additional, Lugliè, Antonella, additional, Vivaldi, Barbara, additional, Ciccotelli, Valentina, additional, Sanna, Giovanna, additional, Tedde, Giuseppe, additional, Ledda, Salvatore, additional, Alesso, Enrico, additional, Marongiu, Edoardo, additional, and Virgilio, Sebastiano, additional

Published
2017
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22. Occurrence of harmful algal species and shellfish toxicity in Sardinia (Italy)

Author

Bazzoni, Anna Maria, primary, Mudadu, Alessandro Graziano, additional, Lorenzoni, Giuseppa, additional, Arras, Igor, additional, Lugliè, Antonella, additional, Vivaldi, Barbara, additional, Cicotelli, Valentina, additional, Sanna, Giovanna, additional, Tedde, Giuseppe, additional, Ledda, Salvatore, additional, Alesso, Enrico, additional, Marongiu, Edoardo, additional, and Virgilio, Sebastiano, additional

Published
2016
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24. Water quality evaluation in Mediterranean Lagoons using the Multimetric Phytoplankton Index (MPI): study cases from Sardinia

Author

Bazzoni, Anna Maria, Pulina, Silvia, Padedda, Bachisio Mario, Satta, Cecilia Teodora, Lugliè, Antonella Gesuina Laura, Sechi, Nicola, and Facca, Chiara

Subjects
BIO/07 Ecologia
Abstract

1 - Water quality in four Sardinian lagoons (western Mediterranean Sea) was assessed using the Multimetric Phytoplankton Index (MPI), which is consistent with the EU Water Framework Directive. The index was developed using data on phytoplankton abundances, species structure and chlorophyll a concentrations in Venice Lagoon, Italy. 2 - The aim of this study was to test the MPI on a larger geographical scale and across a range of lagoon types. Therefore, it was applied to assess water quality in the Cabras, S’Ena Arrubia, Santa Giusta and Calich lagoons in Sardinia. These lagoons are all “choked”, but exhibit a range of sizes and morphometric features. They are directly affected by human activity within the lagoons themselves, such as fisheries, aquaculture and the construction of dams and canals, and are indirectly affected by anthropogenic activities in their catchments, including intensive agriculture, industrial activity and urban development. 3 - The data used in the present study were collected monthly over a period of 4 years (Calich, Santa Giusta and S’Ena Arrubia) to 7 years (Cabras). Samples were collected at three stations at each of the Cabras, Santa Giusta and Calich lagoons, and at two stations at the S’Ena Arrubia Lagoon, providing a total of 220 samples. 4 - The water quality in three of the four lagoons investigated (Cabras, S’Ena Arrubia and Calich) was classified as bad using the MPI. Among these three, water in Cabras Lagoon exhibited the worst condition. Water quality in Santa Giusta Lagoon was classified as poor using the MPI. 5 - Although we present preliminary results that require further verification, the index appears to be a useful tool for assessing the ecological status of typical Mediterranean lagoons.

Published
2013

25. Le Problematiche degli Harmful Algal Blooms (HABs) in Sardegna = Harmful Algal Blooms in Sardinia

Author

Lugliè, Antonella Gesuina Laura, Satta, Cecilia Teodora, Pulina, Silvia, Bazzoni, Anna Maria, Padedda, Bachisio Mario, and Sechi, Nicola

Subjects
fungi, food and beverages, BIO/07 Ecologia
Abstract

Harmful Algal Blooms are events that produce damage to the environment and/or risk to the health of humans and aquatic life. A part of the responsible species acts through toxins whereas other no toxic species can grow to high biomass, causing different consequences. The different typologies of HABs is signalled also along Sardinian coast. Indications on specific events are reported.

Published
2011

26. Ecosystem vulnerability to alien and invasive species: a case study on marine habitats along the Italian coast

Author

Corriero, Giuseppe, primary, Pierri, Cataldo, additional, Accoroni, Stefano, additional, Alabiso, Giorgio, additional, Bavestrello, Giorgio, additional, Barbone, Enrico, additional, Bastianini, Mauro, additional, Bazzoni, Anna Maria, additional, Bernardi Aubry, Fabrizio, additional, Boero, Ferdinando, additional, Buia, Maria Cristina, additional, Cabrini, Marina, additional, Camatti, Elisa, additional, Cardone, Frine, additional, Cataletto, Bruno, additional, Cattaneo Vietti, Riccardo, additional, Cecere, Ester, additional, Cibic, Tamara, additional, Colangelo, Paolo, additional, De Olazabal, Alessandra, additional, D'onghia, Gianfranco, additional, Finotto, Stefania, additional, Fiore, Nicola, additional, Fornasaro, Daniela, additional, Fraschetti, Simonetta, additional, Gambi, Maria Cristina, additional, Giangrande, Adriana, additional, Gravili, Cinzia, additional, Guglielmo, Rosanna, additional, Longo, Caterina, additional, Lorenti, Maurizio, additional, Lugliè, Antonella, additional, Maiorano, Porzia, additional, Mazzocchi, Maria Grazia, additional, Mercurio, Maria, additional, Mastrototaro, Francesco, additional, Mistri, Michele, additional, Monti, Marina, additional, Munari, Cristina, additional, Musco, Luigi, additional, Nonnis‐Marzano, Carlotta, additional, Padedda, Bachisio Mario, additional, Patti, Francesco Paolo, additional, Petrocelli, Antonella, additional, Piraino, Stefano, additional, Portacci, Giuseppe, additional, Pugnetti, Alessandra, additional, Pulina, Silvia, additional, Romagnoli, Tiziana, additional, Rosati, Ilaria, additional, Sarno, Diana, additional, Satta, Cecilia Teodora, additional, Sechi, Nicola, additional, Schiaparelli, Stefano, additional, Scipione, Beatrice, additional, Sion, Letizia, additional, Terlizzi, Antonio, additional, Tirelli, Valentina, additional, Totti, Cecilia, additional, Tursi, Angelo, additional, Ungaro, Nicola, additional, Zingone, Adriana, additional, Zupo, Valerio, additional, and Basset, Alberto, additional

Published
2015
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27. Yessotoxin detection in bivalve molluscs: A case study from coastal mussel farms (Sardinia, Italy).

Author

Mudadu, Alessandro Graziano, Lorenzoni, Giuseppa, Bazzoni, Anna Maria, Bazzardi, Riccardo, Tedde, Giuseppe, Arras, Igor, Sanna, Giovanna, Santucciu, Cinzia, Marongiu, Edoardo, and Virgilio, Sebastiano

Subjects
MOLLUSKS, TOXINS, POISONOUS shellfish
Abstract

This work reports the first communication relating to the presence of yessotoxins in Mytilus galloprovincialis from coastal mussel farms (Sardinia, western Mediterranean) detected during 2008 and 2013 through a monitoring programme. The paper emphasizes how the changes both in yessotoxin permitted limits and used methods, established by legislation, have influenced the interpretation of the obtained results. Consequently, the samples that resulted negative during 2008 would have been positive until August 2013 and negative from September 2013 up to now, and the samples that were positive in 2013 would have been positive in 2008 and negative nowadays, according to Regulation currently in force. Regular monitoring of biotoxins demonstrated that, although yessotoxins have been rarely present in the past in Sardinia, they may cause toxicity in shellfish. So, it's important to keep up on legislation's changing and laboratory methods. [ABSTRACT FROM AUTHOR]

Published
2017
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28. Ecosystem vulnerability to alien and invasive species: a case study on marine habitats along the Italian coast.

Author

Corriero, Giuseppe, Pierri, Cataldo, Accoroni, Stefano, Alabiso, Giorgio, Bavestrello, Giorgio, Barbone, Enrico, Bastianini, Mauro, Bazzoni, Anna Maria, Bernardi Aubry, Fabrizio, Boero, Ferdinando, Buia, Maria Cristina, Cabrini, Marina, Camatti, Elisa, Cardone, Frine, Cataletto, Bruno, Cattaneo Vietti, Riccardo, Cecere, Ester, Cibic, Tamara, Colangelo, Paolo, and De Olazabal, Alessandra

Subjects
INTRODUCED species, MARINE habitats, MARINE biological invasions, ECOSYSTEM management
Abstract

Spread of alien species (AS) is a serious threat to marine habitats and analysis of principal descriptors of their occurrence is pivotal to set reliable conservation strategies., In order to assess the susceptibility of marine habitats to biological invasions, a dataset was gathered of the occurrence of 3899 species from 29 phyla, taken from 93 marine sites located along the Italian coast in the period 2000-2012., In total, 61 AS belonging to 11 phyla have been recorded. Invertebrates were the most represented (63%). Alien species were found in all the habitats examined (EUNIS, level 2), although they showed highest abundance in benthic habitats. Most of the AS were associated with a single EUNIS habitat, while some of them were present in more than one habitat. Trans-habitat occurrence suggests the potential invasiveness of AS., According to statistical analysis, AS recorded could have been more numerous, since some of the marine habitats seemed to be still unsaturated. The model that best describes the spread of AS takes account of both native species richness (Rn) and EUNIS habitat type as explanatory variables. The number of observed AS was directly related to Rn and it was highest in rocky circalittoral and infralittoral habitats., The results of this macro-ecological study focus on the importance of performing large-scale studies, since adopting ecosystem approaches to marine invasion management seems especially fruitful., The results, moreover, highlight the importance of AS monitoring of different habitats, from those subjected to anthropogenic pressure, historically considered to be hubs of introduction of AS, to the most biologically rich and diverse marine habitats. Indeed, it is necessary to set monitoring strategies to detect the introduction, the distribution and persistence of AS over time. These recommendations are especially significant in the light of the strategic plans currently under formulation in Mediterranean countries with regard to AS monitoring., Copyright © 2015 John Wiley & Sons, Ltd. [ABSTRACT FROM AUTHOR]

Published
2016
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30. Changes in biomass structure and trophic status of the plankton communities in a highly dynamic ecosystem (Gulf of Venice, Northern Adriatic Sea)

Author

Pugnetti, Alessandra, primary, Bazzoni, Anna Maria, additional, Beran, Alfred, additional, Bernardi Aubry, Fabrizio, additional, Camatti, Elisa, additional, Celussi, Mauro, additional, Coppola, Joan, additional, Crevatin, Erica, additional, Negro, Paola Del, additional, and Paoli, Alessandro, additional

Published
2008
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31. Ecosystem vulnerability to alien and invasive species: a case study on marine habitats along the Italian coast

Author

GIUSEPPE CORRIERO, CATALDO PIERRI, STEFANO ACCORONI, GIORGIO ALABISO, GIORGIO BAVESTRELLO, ENRICO BARBONE, MAURO BASTIANINI, ANNA MARIA BAZZONI, FABRIZIO BERNARDI AUBRY, FERDINANDO BOERO, MARIA CRISTINA BUIA, MARINA CABRINI, ELISA CAMATTI, FRINE CARDONE, BRUNO CATALETTO, RICCARDO CATTANEO VIETTI, ESTER CECERE, TAMARA CIBIC, PAOLO COLANGELO, ALESSANDRA DE OLAZABAL, GIANFRANCO D'ONGHIA, STEFANIA FINOTTO, NICOLA FIORE, DANIELA FORNASARO, SIMONETTA FRASCHETTI, MARIA CRISTINA GAMBI, ADRIANA GIANGRANDE, CINZIA GRAVILI, ROSANNA GUGLIELMO, CATERINA LONGO, MAURIZIO LORENTI, ANTONELLA LUGLIÈ, PORZIA MAIORANO, MARIA GRAZIA MAZZOCCHI, MARIA MERCURIO, FRANCESCO MASTROTOTARO, MICHELE MISTRI, MARINA MONTI, CRISTINA MUNARI, LUIGI MUSCO, CARLOTTA NONNIS-MARZANO, BACHISIO MARIO PADEDDA, FRANCESCO PAOLO PATTI, ANTONELLA PETROCELLI, STEFANO PIRAINO, GIUSEPPE PORTACCI, ALESSANDRA PUGNETTI, SILVIA PULINA, TIZIANA ROMAGNOLI, ILARIA ROSATI, DIANA SARNO, CECILIA TEODORA SATTA, NICOLA SECHI, STEFANO SCHIAPPARELLI, BEATRICE SCIPIONE, LETIZIA SION, ANTONIO TERLIZZI, VALENTINA TIRELLI, CECILIA TOTTI, ANGELO TURSI, NICOLA UNGARO, ADRIANA ZINGONE, VALERIO ZUPO, ALBERTO BASSET, Corriero, Giuseppe, Pierri, Cataldo, Accoroni, Stefano, Alabiso, Giorgio, Bavestrello, Giorgio, Barbone, Enrico, Bastianini, Mauro, Bazzoni, Anna Maria, Bernardi Aubry, Fabrizio, Boero, Ferdinando, Buia, Maria Cristina, Cabrini, Marina, Camatti, Elisa, Cardone, Frine, Cataletto, Bruno, Cattaneo Vietti, Riccardo, Cecere, Ester, Cibic, Tamara, Colangelo, Paolo, De Olazabal, Alessandra, D'Onghia, Gianfranco, Finotto, Stefania, Fiore, Nicola, Fornasaro, Daniela, Fraschetti, Simonetta, Gambi, Maria Cristina, Giangrande, Adriana, Gravili, Cinzia, Guglielmo, Rosanna, Longo, Caterina, Lorenti, Maurizio, Lugliè, Antonella, Maiorano, Porzia, Mazzocchi, Maria Grazia, Mercurio, Maria, Mastrototaro, Francesco, Mistri, Michele, Monti, Marina, Munari, Cristina, Musco, Luigi, Nonnis Marzano, Carlotta, Padedda, Bachisio Mario, Patti, Francesco Paolo, Petrocelli, Antonella, Piraino, Stefano, Portacci, Giuseppe, Pugnetti, Alessandra, Pulina, Silvia, Romagnoli, Tiziana, Rosati, Ilaria, Sarno, Diana, Satta, Cecilia Teodora, Sechi, Nicola, Schiaparelli, Stefano, Scipione, Beatrice, Sion, Letizia, Terlizzi, Antonio, Tirelli, Valentina, Totti, Cecilia, Tursi, Angelo, Ungaro, Nicola, Zingone, Adriana, Zupo, Valerio, Basset, Alberto, Bazzoni Anna, Maria, Buia Maria, Cristina, Gambi Maria, Cristina, Mazzocchi Maria, Grazia, Padedda Bachisio, Mario, Patti Francesco, Paolo, and Satta Cecilia, Teodora

Subjects
invasive alien species, Mediterranean EUNIS habitat, marine alien specie, marine alien species, invasion, Mediterranean EUNIS habitats, habitat vulnerability, invasive alien specie
Abstract

1. Spread of alien species (AS) is a serious threat to marine habitats and analysis of principal descriptors of their occurrence is pivotal to set reliable conservation strategies. 2. In order to assess the susceptibility of marine habitats to biological invasions, a dataset was gathered of the occurrence of 3899 species from 29 phyla, taken from 93 marine sites located along the Italian coast in the period 2000–2012. 3. In total, 61 AS belonging to 11 phyla have been recorded. Invertebrates were the most represented (63%). Alien species were found in all the habitats examined (EUNIS, level 2), although they showed highest abundance in benthic habitats. Most of the AS were associated with a single EUNIS habitat, while some of them were present in more than one habitat. Trans-habitat occurrence suggests the potential invasiveness of AS. 4. According to statistical analysis, AS recorded could have been more numerous, since some of the marine habitats seemed to be still unsaturated. The model that best describes the spread of AS takes account of both native species richness (Rn) and EUNIS habitat type as explanatory variables. The number of observed AS was directly related to Rn and it was highest in rocky circalittoral and infralittoral habitats. 5. The results of this macro-ecological study focus on the importance of performing large-scale studies, since adopting ecosystem approaches to marine invasion management seems especially fruitful. 6. The results, moreover, highlight the importance of AS monitoring of different habitats, from those subjected to anthropogenic pressure, historically considered to be hubs of introduction of AS, to the most biologically rich and diverse marine habitats. Indeed, it is necessary to set monitoring strategies to detect the introduction, the distribution and persistence of AS over time. These recommendations are especially significant in the light of the strategic plans currently under formulation in Mediterranean countries with regard to AS monitoring

Published
2016
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