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Molluscan assemblages associated with photophilic algae in the Marine Reserve of Ustica Island (Lower Tyrrhenian Sea, Italy)
Milazzo, M.; Chemello, R.; Badalamenti, F.; Riggio, S. (2000). Molluscan assemblages associated with photophilic algae in the Marine Reserve of Ustica Island (Lower Tyrrhenian Sea, Italy). Ital. J. Zoolog. 67(3): 287-295. https://hdl.handle.net/10.1080/11250000009356326
In: Italian Journal of Zoology. Taylor & Francis/Mucchi Editore: Modena. ISSN 1125-0003; e-ISSN 1748-5851, more
Peer reviewed article  

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Keywords
Author keywords
    Mollusc, Marine protected area, Photophilic algae

Authors  Top | Dataset 
  • Milazzo, M.
  • Chemello, R.
  • Badalamenti, F.
  • Riggio, S.

Abstract
    Very few studies have addressed the effect of protection on macrozoobenthos in marine protected areas, and particularly for sites in the Mediterranean Sea. In the present study, the molluscan assemblages associated with photophilic algal communities of the Marine Reserve of Ustica Island, were investigated. A survey was carried out along transects from 1 to 15 m in depth, during the spring of 1996 at three different sites, subjected to different levels of reserve protection. Species richness and number of individuals reflected the level of protection, and both variables were significantly higher in the integral (most heavily protected) part of the reserve compared with the less well protected buffer areas. Species diversity values showed no correlation with the level of protection. The results reported here do not agree with previous findings on the ‘reserve effect’ involving large‐sized macrozoo‐benthic species. However, the data reported, together with a study on polychaetes from the same study sites, and visual census observations concerning the fish assemblage of the island may support the hypothesis that protection of piscivore and macrocar‐nivore species within the integral reserve suppresses populations of small‐sized microcarnivorous fish species, allowing ‘prey‐release’ of small benthic invertebrates.

Dataset
  • Dimitris Poursanidis & Drosos Koutsoubas (2015). Mollusca fauna from the Mediterranean reef ecosystem (1170) – the zone of the photophilic algae, more

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