Pinna nobilis in suboptimal environments are more tolerant to disease but more vulnerable to severe weather phenomena

Prado, Patricia; Grau, Amàlia; Catanese, Gaetano; Cabanes, Pep; Carella, Francesca; Fernández-Tejedor, Margarita; Andrée, Karl B.; Añón, Teresa; Hernandis, Sebastián; Tena, José Girón; García‐March, José Rafael

doi:10.1016/j.marenvres.2020.105220

Cited by 43 publications

(46 citation statements)

References 41 publications

(66 reference statements)

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“…In the eastern Mediterranean Sea, the Sea of Marmara seems to be an important P. nobilis reservoir (Cinar et al, 2021). The reasons why these populations have not been affected yet are unknown, although differences in salinity and temperature compared with open waters may be involved (Cabanellas‐Reboredo et al, 2019; García‐March et al, 2020; Prado et al, 2021). Coastal lagoons, however, are generally surrounded by densely populated areas that cause various anthropogenic impacts such as pollution, habitat destruction and overexploitation (Barbier, Acreman & Knowler, 1997; Millennium Ecosystem Assessment, 2005; Pérez‐Ruzafa et al, 2006).…”

Section: Introductionmentioning

confidence: 99%

Living under threat: Will one of the last Pinna nobilis populations be able to survive?

Nebot‐Colomer

Álvarez

Belando

et al. 2021

Aquatic Conservation

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1. The critically endangered fan mussel Pinna nobilis, endemic to the Mediterranean Sea, faces a drastic population decline all over the Mediterranean Sea owing to an infectious disease.2. Coastal lagoons represent one of this species' last reservoirs; thus, knowledge of the population conservation status in these ecosystems is essential.3. An extensive monitoring programme was conducted during 2014, 2017 and 2019 in the Mar Menor lagoon, a highly eutrophicated lagoon from Spain. On average, 32,535 m 2 have been surveyed each year to determine population densities, distributions and size structures.4. The cumulative impacts produced by intensive agriculture activity around the lagoon, together with a catastrophic meteorological phenomenon that occurred in 2019, have triggered a significant decline in fan mussel population densities and in population mean shell sizes over the years. Additionally, some fan mussels were infected by the protozoan Haplosporidium pinnae.5. Therefore, the current P. nobilis population from the Mar Menor is mainly composed of young individuals in specific areas that are facing an extreme situation. Urgent management and conservation actions focused on restoring the ecosystem and protecting P. nobilis individuals are urgently needed, together with reinforcement projects to increase the species' stock in one of its last reservoirs.

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Section: Introductionmentioning

confidence: 99%

Living under threat: Will one of the last Pinna nobilis populations be able to survive?

Nebot‐Colomer

Álvarez

Belando

et al. 2021

Aquatic Conservation

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“…It will therefore be crucial to monitor survivors and to have information about other P. nobilis populations in the area. In the Ebro's Delta (Spain), it was reported that some populations have been only partially affected by the disease following a salinity gradient (Prado et al, 2021).…”

Section: Discussionmentioning

confidence: 99%

The last fortress fell: mass mortality of Pinna nobilis in the Sea of Marmara

Çınar

Bilecenoğlu²,

Yokeş³

et al. 2021

Medit. Mar. Sci.

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A spring 2021 cruise to the south Marmara Islands revealed a mass mortality event of Pinna nobilis, which were reported to be healthy just seven months ago. The cause of death might be associated with the epidemic infection or a catastrophic mucilage event seen after November 2020 in the Sea of Marmara. A total of 191 Pinna nobilis individuals were found at seven stations out of 10, of which 88% were dead. In the present study, the population density (dead and alive individuals) of P. nobilis was found to be between 0.3 ind.100 m-2 and 12 ind.100 m-2 in the area. A total of three live and four dead juvenile individuals were observed in the area, indicating low recent recruitment. The highest number of dead Pinna nobilis individuals (92 specimens) was encountered in shallow-waters (0-4 m depth). A total of 34 species belonging to six taxonomic groups (Sipuncula, Oligochaeta, Polychaeta, Crustacea, Mollusca, and Pisces) were found within the dead shells of four P. nobilis individuals. The mass mortality of Pinna nobilis in the Sea of Marmara, the last remaining disease-free sea, indicates the necessity of establishing and implementing emergency action plans for this species, including ex-situ conservation.

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“…The reduction of the populations of P. nobilis has led nowadays to the existence of only a few areas with relic populations, located in coastal lagoons and deltas [ 6 , [12] , [13] , [14] , [15] ]. Among the many measures that national authorities and researchers are trying to implement for the safeguarding of individuals and the recovery of populations [ 12 , 16 ], is an international network of larvae collectors deployed in summer months, which has been growing since the onset of the MME [17] . These collectors serve as a fixing point for pelagic larvae, which find an attractive habitat for their settlement while swimming in the water column.…”

Section: Introductionmentioning

confidence: 99%

An incubation water eDNA method for a non-destructive rapid molecular identification of Pinna nobilis and Pinna rudis bivalve juveniles

Catanese

Tena

Dajković³

et al. 2022

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Pinna nobilis in suboptimal environments are more tolerant to disease but more vulnerable to severe weather phenomena

Cited by 43 publications

References 41 publications

Living under threat: Will one of the last Pinna nobilis populations be able to survive?

Living under threat: Will one of the last Pinna nobilis populations be able to survive?

The last fortress fell: mass mortality of Pinna nobilis in the Sea of Marmara

An incubation water eDNA method for a non-destructive rapid molecular identification of Pinna nobilis and Pinna rudis bivalve juveniles

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