Epilithozoan fauna associated with ferromanganese crustgrounds on the continental slope segment between Capri and Li Galli Islands (Bay of Salerno, Northern Tyrrhenian Sea, Italy). (Articolo in rivista)

Type
Label
  • Epilithozoan fauna associated with ferromanganese crustgrounds on the continental slope segment between Capri and Li Galli Islands (Bay of Salerno, Northern Tyrrhenian Sea, Italy). (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Alternative label
  • TOSCANO F.; RASPINI A. (2005)
    Epilithozoan fauna associated with ferromanganese crustgrounds on the continental slope segment between Capri and Li Galli Islands (Bay of Salerno, Northern Tyrrhenian Sea, Italy).
    in Facies
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • TOSCANO F.; RASPINI A. (literal)
Pagina inizio
  • 427 (literal)
Pagina fine
  • 441 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 50 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto per l'Ambiente Marino Costiero (IAMC) (literal)
Titolo
  • Epilithozoan fauna associated with ferromanganese crustgrounds on the continental slope segment between Capri and Li Galli Islands (Bay of Salerno, Northern Tyrrhenian Sea, Italy). (literal)
Abstract
  • The epilithozoan fauna associated with Quaternary Fe–Mn crustgrounds sampled off Capri and Li Galli Islands is described. During the Quaternary, the interplay among the tectonically induced topography, seacurrent patterns, and the changing physical-chemical properties of the water column promoted conditions favouring Fe–Mn oxide accumulation. In the samples dredged between 510–263 m depth (DRA 7), 207–201 m depth (DRA 5) and 358–65 m depth (DRA 4), where the Fe–Mn coating covers all rock surfaces, the distribution of the epilithozoan taxa is polarized: on the upper smooth surface of the crustgrounds the most abundant inhabitants are foraminifers, while on the lower rough surface corals, bivalves, bryozoans and brachiopods occur. Sponges are mainly able to bioerode the rough lower surfaces. Samples are riddled by boring ichnogenera including Entobia and Maeandropolydora. Fe–Mn oxide precipitation is still active today as shown by the frontal shield preservation of the bryozoan Puellina cf. pseudoradiata Harmelin and Aristegui, 1988, where it is possible to identify different stages of accretion. Botryoidal ongoing accretion is evident only in some taxa, namely Bryozoa and Polychaeta species, and Foraminifera morphotypes, which appear to keep pace with precipitation when it occurs. (literal)
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