Information from 40 harbours was used to investigate the diversity and habitataffinities of Ophryotrocha species living in Central Mediterranean coastal habitats. Three environmentaldescriptors were considered: climate, boat traffic in harbours and fouling assemblagesof port wharfs. Moreover, the diet was studied through the analysis of faecal pellets. Thenumber of Ophryotrocha species did not vary among the climatic sub-areas, while the main,high traffic harbours exhibited a higher number of species with respect to the minor harbours.Ophryotrocha species can colonise all the fouling types considered, but the highest number ofspecies was observed in mixed, heterogeneous assemblages. In most of the places investigated,two or more species co-existed on both harbour and wharf scales. The three most common species,O. labronica, O. puerilis (Mediterranean indigenous) and O. japonica (a non-indigenousspecies), differed in their affinities for climatic areas and harbour typology, but no significantpreferences were observed with respect to the fouling types. The examination of faecal pelletsfrom animals collected in the field suggested that all the species are omnivorous. Ophryotrochaspecies can live in very different types of harbour habitats. However, the ability to successfullycolonise these environments varied strongly among species, perhaps because of their “history”(especially in the case of non-indigenous species), tolerance and habitat preferences/requirements.

DIVERSITY, HABITAT AFFINITIES AND DIET OF OPHRYOTROCHASPECIES (POLYCHAETA, DORVILLEIDAE) LIVING INMEDITERRANEAN HARBOUR HABITATS / Simonini, Roberto; Grandi, Valentina; Massamba N'Siala, Gloria; M. P., Martino; Castelli, Alberto; Prevedelli, Daniela. - In: VIE ET MILIEU. - ISSN 0240-8759. - STAMPA. - 60 (1):(2010), pp. 27-38.

DIVERSITY, HABITAT AFFINITIES AND DIET OF OPHRYOTROCHASPECIES (POLYCHAETA, DORVILLEIDAE) LIVING INMEDITERRANEAN HARBOUR HABITATS

SIMONINI, Roberto;GRANDI, Valentina;MASSAMBA N'SIALA, Gloria;CASTELLI, Alberto;PREVEDELLI, Daniela
2010

Abstract

Information from 40 harbours was used to investigate the diversity and habitataffinities of Ophryotrocha species living in Central Mediterranean coastal habitats. Three environmentaldescriptors were considered: climate, boat traffic in harbours and fouling assemblagesof port wharfs. Moreover, the diet was studied through the analysis of faecal pellets. Thenumber of Ophryotrocha species did not vary among the climatic sub-areas, while the main,high traffic harbours exhibited a higher number of species with respect to the minor harbours.Ophryotrocha species can colonise all the fouling types considered, but the highest number ofspecies was observed in mixed, heterogeneous assemblages. In most of the places investigated,two or more species co-existed on both harbour and wharf scales. The three most common species,O. labronica, O. puerilis (Mediterranean indigenous) and O. japonica (a non-indigenousspecies), differed in their affinities for climatic areas and harbour typology, but no significantpreferences were observed with respect to the fouling types. The examination of faecal pelletsfrom animals collected in the field suggested that all the species are omnivorous. Ophryotrochaspecies can live in very different types of harbour habitats. However, the ability to successfullycolonise these environments varied strongly among species, perhaps because of their “history”(especially in the case of non-indigenous species), tolerance and habitat preferences/requirements.
60 (1)
27
38
DIVERSITY, HABITAT AFFINITIES AND DIET OF OPHRYOTROCHASPECIES (POLYCHAETA, DORVILLEIDAE) LIVING INMEDITERRANEAN HARBOUR HABITATS / Simonini, Roberto; Grandi, Valentina; Massamba N'Siala, Gloria; M. P., Martino; Castelli, Alberto; Prevedelli, Daniela. - In: VIE ET MILIEU. - ISSN 0240-8759. - STAMPA. - 60 (1):(2010), pp. 27-38.
Simonini, Roberto; Grandi, Valentina; Massamba N'Siala, Gloria; M. P., Martino; Castelli, Alberto; Prevedelli, Daniela
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/641060
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