Hydrodynamism and its influence on the reproductive condition of the edible sea urchin Paracentrotus lividus

被引：23

作者：

Gianguzza, Paola ^{[1
]}

Bonaviri, Chiara ^{[1
]}

Prato, Ermelinda ^{[2
]}

Fanelli, Giovanni ^{[2
]}

Chiantore, Mariachiara ^{[3
]}

Privitera, Davide ^{[3
]}

Luzzu, Filippo ^{[1
]}

Agnetta, Davide ^{[1
]}

机构：

[1] Univ Palermo, Dipartimento Sci Terra & Mare DiSTeM, I-90123 Palermo, Italy

[2] UOS Taranto, CNR, IAMC, I-74123 Taranto, Italy

[3] Univ Genoa, Dipartimento Sci Terra Ambiente & Vita DISTAV, I-16132 Genoa, Italy

来源：

MARINE ENVIRONMENTAL RESEARCH | 2013年 / 85卷

关键词：

Paracentrotus lividus; Hydrodynamism; Reproductive cycle; Gonadosomatic index; Sea urchins; STRONGYLOCENTROTUS-DROEBACHIENSIS; POPULATION-STRUCTURE; ARBACIA-LIXULA; ECHINODERMATA; ECHINOIDEA; GROWTH; CYCLE; PREDATION; HABITATS; PATTERNS;

D O I：

10.1016/j.marenvres.2012.12.007

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

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. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：29 / 33

页数：5

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