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- Title
Resource use by a Mediterranean rocky slope fish assemblage
- Authors
Fasola, M.; Bressan, M.; Canova, L.; Foschi, F.; Novelli, O.
- Abstract
Resource partitioning has been intensely studied in fish assemblagesof tropical reefs, whereas surprisingly little research has been conducted on the benthic Mediterranean. Here we describe the compositionof a fish assemblage of the rocky slopes at Tremiti Islands, southern Adriatic Sea, the vertical distribution at depths from 0 to 42 m, habitat choice and food use of the different species, and we identify the resources along which species are ecologically segregated. Species composition and fish density showed high similarities with the few other assemblages that have been censused on the rocky coasts of the Mediterranean. We observed a wide overdispersion among species in their use of food and habitat, while very little segregation occurred atthe level of depth distribution. No coincident use of food, habitat or active periods occurred among fish species, and no trophic guilds exist in the three-dimensional niche.
- Subjects
ICHTHYOLOGY; MARINE biology
- Publication
Marine Ecology, 1997, Vol 18, Issue 1, p51
- ISSN
0173-9565
- Publication type
Article
- DOI
10.1111/j.1439-0485.1997.tb00426.x