Document Detail


Hydrodynamism and its influence on the reproductive condition of the edible sea urchin Paracentrotus lividus.
MedLine Citation:
PMID:  23333347     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Despite the large body of work published in the last two decades on the reproduction of the sea urchin Paracentrotus lividus, the reproductive aspects linked to hydrodynamic conditions and their influence on gonad production remain poorly understood. The present paper aims to evaluate the effect of hydrodynamism on the reproductive cycle of P. lividus. Variability in the gonadosomatic index (GSI) of P. lividus was estimated seasonally from 2007 to 2008 at two shallow sub-littoral flat basaltic areas at Ustica Island (Western Mediterranean). GSI was higher in the sites characterized by low hydrodynamism than in those with high hydrodynamism. Results also suggest a possible role for hydrodynamism in triggering processes of resource limitation (food shortage), probably by interfering with P. lividus feeding activity.
Authors:
Paola Gianguzza; Chiara Bonaviri; Ermelinda Prato; Giovanni Fanelli; Mariachiara Chiantore; Davide Privitera; Filippo Luzzu; Davide Agnetta
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-4
Journal Detail:
Title:  Marine environmental research     Volume:  -     ISSN:  1879-0291     ISO Abbreviation:  Mar. Environ. Res.     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9882895     Medline TA:  Mar Environ Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2013. Published by Elsevier Ltd.
Affiliation:
Dipartimento di Scienze della Terra e del Mare (DiSTeM), Università di Palermo, Via Archirafi 22, I-90123 Palermo, Italy. Electronic address: paola.gianguzza@unipa.it.
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