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- Proletov, Ian, et al.
(author)
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Primary and secondary glomerulonephritides 1.
- 2014
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In: Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association. - : Oxford University Press (OUP). - 1460-2385. ; 29 Suppl 3:May, s. 186-200
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Journal article (peer-reviewed)
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- Schimmenti, E., et al.
(author)
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Mediterranean record of Eulalia ornata (Annelida: Phyllodocidae) corroborating its fidelity link with the Sabellaria alveolata reef habitat
- 2016
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In: Mediterranean Marine Science. - : National Documentation Centre (EKT). - 1108-393X .- 1791-6763. ; 17:2, s. 359-370
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Journal article (peer-reviewed)abstract
- Among marine habitats, Sabellaria alveolata reefs deserve protection as they provide important ecosystem services and are advantageous for the biodiversity. Several marine species are listed among the S. alveolata reef-associated fauna, but characteristic species have been only seldom reported, with the exception of Eulalia ornata (Annelida: Phyllodocidae), which is common/abundant in the S. alveolata reefs of the Eastern Atlantic. The most evident geographical mismatch in the distributions of E. ornata and these biogenic reefs occurs in the Mediterranean Sea, where S. alveolata reefs are commonly found, but E. ornata has never been recorded. However, E. viridis, a non-Mediterranean species, was previously listed among the dominant reef-associated taxa. The faunal characterization of the sabellarid reefs along the Sicily Channel revealed an Eulalia species as the dominant taxon associated with that habitat. A taxonomical approach integrated with DNA bar-coding and comparisons with closely related species helped us determine E. ornata as a new species for the Mediterranean Sea. We have described the patterns of abundance and distribution and corroborated its status as a preferential species in the S. alveolata reef habitat. Focusing on the biology and ecology of E. ornata will enable us to better understand the dynamics and functioning of this valuable European shallow marine habitat.
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- Zenone, A., et al.
(author)
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Assessing Tolerance to the Hydrodynamic Exposure of Posidonia oceanica Seedlings Anchored to Rocky Substrates
- 2022
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In: Frontiers in Marine Science. - : Frontiers Media SA. - 2296-7745. ; 8
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Journal article (peer-reviewed)abstract
- Among a suite of abiotic and biotic factors, the hydrodynamic regime strongly influences the success of seagrass recruitment through sexual propagules. Uprooting of propagules by drag forces exerted by currents and waves is one of the main causes for the failed establishment and the consequent recruitment. Substrate type and stability play a key role in determining the success of colonization through sexual propagules, as seedling establishment probabilities proved to be significantly higher on rocky bottoms than on unstable unconsolidated substrates. In this research, the current and wave flow intensity that Posidonia oceanica seedlings anchored to rocky substrates can withstand before uprooting were evaluated and the influence of substrate complexity on seedling anchorage success and anchorage strength was investigated. P. oceanica seedlings withstood the current velocity of 70 cm s(-1) and increased orbital flow velocities up to 25 cm s(-1). Seedling adhesion strength ranged from 3.92 to 29.42 N. Results of the present study corroborate the hypothesis that substrate complexity at scales relevant to the size of propagules is a crucial feature for P. oceanica seedling establishment. The intensity of unidirectional and oscillatory flow that seedlings can withstand without being dislodged assessed in this study support the hypothesis that P. oceanica sexual propagules, once adhered to a consolidated substrate, are able to tolerate high hydrodynamic stress. The results of the present study contribute to re-evaluation of the habitat requirements of P. oceanica, assessing the range of hydrodynamic conditions that this species can tolerate during the early stages of its life history.
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