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A method to measure three-dimensional substratum rugosity for ecological studies: an example from the date-mussel fishery desertification in the north-western Mediterranean

Published online by Cambridge University Press:  15 June 2006

Valeriano Parravicini
Affiliation:
DipTeRis, Dipartimento per lo studio del Territorio e delle sue Risorse, Università di Genova, Corso Europa 26, 16132 Genoa, Italy
Alessio Rovere
Affiliation:
DipTeRis, Dipartimento per lo studio del Territorio e delle sue Risorse, Università di Genova, Corso Europa 26, 16132 Genoa, Italy
Marco Donato
Affiliation:
DipTeRis, Dipartimento per lo studio del Territorio e delle sue Risorse, Università di Genova, Corso Europa 26, 16132 Genoa, Italy
Carlo Morri
Affiliation:
DipTeRis, Dipartimento per lo studio del Territorio e delle sue Risorse, Università di Genova, Corso Europa 26, 16132 Genoa, Italy
Carlo Nike Bianchi
Affiliation:
DipTeRis, Dipartimento per lo studio del Territorio e delle sue Risorse, Università di Genova, Corso Europa 26, 16132 Genoa, Italy

Abstract

The impact of date-mussel fishery on substratum rugosity was evaluated at Capo Noli and Isola di Bergeggi (Savona, north-western Italian coast) in the summer of 2004. A new measure of substratum rugosity was used as a surface-dependent index of complexity. The results were compared between impact and control sites using two-way analysis of variance and suggested that the mussel fishery reduces substratum complexity.

Type
Research Article
Copyright
2006 Marine Biological Association of the United Kingdom

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