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Title: Fisheries replenishment of early life taxa: potential export of fish eggs and larvae from a temperate marine protected area
Authors: Crec'hriou, R.; Alemany, F.; Roussel, E.; Chassanite, A.; Planes, S.; Marinaro, J. Y.; Mader, J.; Rochel, E.
Citation: FISHERIES OCEANOGRAPHY, 2010, 19, 135-150
Abstract: An ichthyoplankton survey was conducted at the periphery of Cabrera National Park (Balearic Islands, Western Mediterranean Sea) in July 2004, using bongo nets, fixed nets and collection of oceanographic data. This work focused on analysing the distribution of eggs and larval stages of some fishery-targeted taxa (Coris julis, Epinephelus spp., Sciaena umbra and Scorpaena sp.) whose adult abundances and/or biomass are higher in the reserve and therefore would be likely to show gradients of larval abundance attributable to the existence of the Marine Protected Area (MPA). Oceanographic data indicated there was water column stratification, horizontal distribution of surface water masses and hydrodynamic features linked with Mediterranean seasonality. During the summer sampling, eggs and larvae of targeted fish taxa were mainly located in the northeast of the MPA, near the coast. An effect of depth and current was demonstrated for Coris julis and Epinephelus spp. and there appears to be an offshore gradient for the other targeted taxa, especially for the egg stages. These data highlight the fact that the Cabrera archipelago is a potential important spawning area for targeted fishery species.
Keywords: Coris julis; eggs; Epinephelus spp; fisheries; ichthyoplankton; Marine Protected Area; Sciaena umbra; Scorpaena sp; spatial distribution; spawning; Western Mediterranean; EPINEPHELUS-MARGINATUS LOWE; CERBERE-BANYULS FRANCE; CORAL-REEF FISHES; MEDITERRANEAN-SEA; DUSKY GROUPER; RESERVE; POPULATIONS; ECOSYSTEMS; BOUNDARIES; PATTERNS
Issue Date: 2010
Type: Article
Language: English
DOI: 10.1111/j.1365-2419.2010.00533.x
ISSN: 1054-6006
Funder: European Union [QRTL-2001-0891]
Appears in Publication types:Artículos científicos

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