Spawning season and temperature relationships for sardine (Sardina pilchardus) in the eastern North Atlantic

Coombs, SH; Smyth, TJ; Conway, DVP; Halliday, NC; Bernal, M; Stratoudakis, Y; Alvarez, P. 2006 Spawning season and temperature relationships for sardine (Sardina pilchardus) in the eastern North Atlantic. Journal of the Marine Biological Association of the United Kingdom, 86 (5). 1245-1252. 10.1017/S0025315406014251

[img] PDF
1245.PDF

Download (1MB)
Official URL: http://www.journals.cambridge.org/jid_MBI

Abstract/Summary

Spawning temperature preferences for sardine (Sardina pilchardus) in the eastern North Atlantic were determined from field data. These were compared with climatological temperature cycles (1986-2002) derived from satellite data by geographical region, to predict spawning seasons. Optimum spawning temperatures were determined as 14.0-15.0oC from the English Channel to Portugal and 16.0–18.0oC for all north-west African regions. Spawning seasons were closely related to the general latitudinal trend of the annual temperature cycle, with modification by upwelling in the western Iberian and north-west African regions. Some differences between temperature-based spawning season predictions and field observations were related to variations in seasonal plankton production. Correlations in the annual time-series of favourable spawning temperatures suggested relatively strong linkages between the southern areas from Portugal to Senegal. There was no consistent relationship between annual variations in duration of temperature-predicted spawning seasons and observed field abundance of eggs.

Item Type: Publication - Article
Additional Keywords: Spawning Spawning seasons Temperature effects Fishery oceanography
Subjects: ?? SH ??
?? QH301 ??
Divisions: Marine Biological Association of the UK > Other (MBA)
Plymouth Marine Laboratory > Other (PML)
Depositing User: EPServices Admin
Date made live: 21 Mar 2007
Last Modified: 06 Jun 2017 15:57
URI: http://plymsea.ac.uk/id/eprint/1492

Actions (login required)

View Item View Item