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Pentapora fascialis (Pallas) [Cheilostomata : Ascophora] colonization of one sublittoral rocky site after sea-storm in the northwestern Mediterranean

TitoloPentapora fascialis (Pallas) [Cheilostomata : Ascophora] colonization of one sublittoral rocky site after sea-storm in the northwestern Mediterranean
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione1998
AutoriCocito, Silvia, Ferdeghini F, and Sgorbini S
RivistaHYDROBIOLOGIA
Volume375-76
Paginazione59-66
ISSN00188158
Parole chiavecolonization, Ligurian Sea, Pentapora fascialis, recruitment, storm, temperate rocky reef
Abstract

Effects induced on the bryozoan Pentapora fascialis by a severe sea-storm which occurred in December 1993 at Tino Island (Ligurian Sea, NW Mediterranean) are described. Mortality, recruitment and growth of P. fascialis colonies have been measured directly by photographic monitoring for three and a half years. Near total mortality of the erect P. fascialis colonies in the photostation (11 m depth) was observed, while other benthic encrusting species seemed not to be affected. Many recruits were observed six months after the storm, but a clear relationship between recruitment and ovicells presence was not found. The percent cover increased and the number of colonies decreased with time following the storm: this was partly due to fusion between colonies. After three and a half years the cover of P. fascialis reached the pre-storm cover.

Note

32nd European Marine Biology Symposium, KRISTINEBERG MARINE RES STN, LYSEKIL, SWEDEN, AUG 16-22, 1997

DOI10.1023/A:1017069208351
Citation Key ISI:000076948100006