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Advection of continental water as an export mechanism for anchovy, Engraulis encrasicolus, larvae

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dc.creator Salat, Jordi
dc.creator Olivar, M. Pilar
dc.creator Sabatés, Ana
dc.date 2008-06-25T11:39:12Z
dc.date 2008-06-25T11:39:12Z
dc.date 2001
dc.date.accessioned 2017-01-31T01:49:51Z
dc.date.available 2017-01-31T01:49:51Z
dc.identifier Scientia Marina 65(Suppl.1): 77-88 (2001)
dc.identifier 0214-8358 (print edition)
dc.identifier 1886-8134 (online edition)
dc.identifier http://hdl.handle.net/10261/5323
dc.identifier 10.3989/scimar.2001.65s177
dc.identifier.uri http://dspace.mediu.edu.my:8181/xmlui/handle/10261/5323
dc.description Publicación online disponible en: http://www.icm.csic.es/scimar/index.php
dc.description The presence of a surface layer of a less saline water of continental influence (CIW) along the continental slope off the Catalan coast (NW Mediterranean) was observed in June 1995. This CIW was formed in the Gulf of Lions from Rhône runoff and carried by the current associated with the shelf-slope front. This study analyses the spatio-temporal behaviour of that water of continental influence in relation to the shelf-slope front, and its effect on the distribution of fish larvae, in particular the larvae of the anchovy, Engraulis encrasicolus. Displacements of the front are observed to follow an oscillation with a period of eight days and an amplitude of 10 km. Anchovy larvae were associated with the presence of CIW, whereas the oceanic species Hygophum benoiti appeared in the region of the slope when the front, and the associated CIW layer, moved close inshore during its oscillation. The size frequency distribution for the anchovy larvae trapped within the CIW suggests that the larvae had been spawned further north, near the Gulf of Lions. It is concluded not only that larvae were transported by the current but also that their development had taken place entirely inside the CIW. The possible benefit to the survival of anchovy larvae of being kept inside that water, though they have been carried far from their spawning areas, is discussed in the basis of fluorescence and microzooplankton data.
dc.description This work was supported by grants AMB94-1019and AMB94-0853 from CICYT and MAS3-CT96-0051 from the EU.
dc.description Peer reviewed
dc.format 1017841 bytes
dc.format application/pdf
dc.language eng
dc.publisher CSIC - Instituto de Ciencias del Mar (ICM)
dc.relation http://dx.doi.org/10.3989/scimar.2001.65s177
dc.rights openAccess
dc.subject Continental influence waters
dc.subject Shelf-slope front
dc.subject Transport
dc.subject Anchovy larvae
dc.subject NW Mediterranean
dc.title Advection of continental water as an export mechanism for anchovy, Engraulis encrasicolus, larvae
dc.type Artículo


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