Egg and larval distributions of seven fish species in north-east Atlantic waters

ABSTRACT The distribution of egg and larvae of mackerel, horse mackerel, sardine, hake, megrim, blue whiting and anchovy along the European Atlantic waters (south Portugal to Scotland) during 1998 is described. Time of the year, sea surface temperature and bottom depth are used to define the spawnin...

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Bibliographic Details
Published in:Fisheries oceanography 2007-05, Vol.16 (3), p.284-293
Main Authors: IBAIBARRIAGA, L., IRIGOIEN, X., SANTOS, M., MOTOS, L., FIVES, J. M., FRANCO, C., LAGO DE LANZÓS, A., ACEVEDO, S., BERNAL, M., BEZ, N., ELTINK, G., FARINHA, A., HAMMER, C., IVERSEN, S. A., MILLIGAN, S. P., REID, D. G.
Format: Article
Language:English
Subjects:
abundance
aggregation index
bay
biscay
climate
connection
Engraulis encrasicholus
gulf-stream
ichthyoplankton distribution
Lepidorhombus whiffiagonis
mackerel
Marine
Merluccius merluccius
Micromesistius poutassou
north-east Atlantic
recruitment
Sardina pilchardus
Sardinops
Scomber
Scomber scombrus
sea
shelf-break
spawning habitat characterization
Trachurus trachurus
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Summary:ABSTRACT The distribution of egg and larvae of mackerel, horse mackerel, sardine, hake, megrim, blue whiting and anchovy along the European Atlantic waters (south Portugal to Scotland) during 1998 is described. Time of the year, sea surface temperature and bottom depth are used to define the spawning habitat of the different species. Mackerel, horse mackerel, and sardine eggs and larvae presented the widest distribution, whereas megrim and anchovy showed a limited distribution, restricted to the Celtic Sea and the Bay of Biscay respectively. Correspondingly mackerel, horse mackerel and sardine showed the highest aggregation indices. Blue whiting larvae were found at the lowest temperatures, whereas anchovy eggs and larvae were found in the warmest waters. The analysis is a basis for evaluation of ongoing changes in the pelagic ecosystem of the north‐east Atlantic.
ISSN:1054-6006
1365-2419
DOI:10.1111/j.1365-2419.2007.00430.x