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Modelling the transport of the larval sandeels on the north-west European shelf

journal contribution
posted on 2023-05-19, 11:00 authored by Roger Proctor, Wright, PJ, Everitt, A
This study considers the interannual variability in the advection of sandeel (Ammodytes marinus) larvae on the north-west European shelf. We use recently collated data on spawning location, age of larvae and the time of hatching (between 1955 and 1993) as input to a particle-tracking model. Utilizing hourly currents from a 39 year run of a two-dimensional sea circulation model, cohorts of sandeel larvae were represented as a distribution of particles in space and time, and particle drift was calculated for the larval life stage. The final distributions of particles were compared with actual distributions of 0-group sandeels in the North Sea, as determined from surveys conducted at around the end of the larval phase. Preliminary examination of the data between 1973 and 1993 indicates that differences in predicted drift could explain some of the large interannual variability in 0-group distributions. This approach may help to improve our understanding of the frequent colonization events that are typical of this species.

History

Publication title

Fisheries Oceanography

Volume

7

Issue

3-4

Pagination

347-354

ISSN

1054-6006

Department/School

Integrated Marine Observing System

Publisher

Blackwell Publishing Ltd

Place of publication

9600 Garsington Rd, Oxford, England, Oxon, Ox4 2Dg

Rights statement

Copyright 1998 Blackwell Science Ltd.

Repository Status

  • Restricted

Socio-economic Objectives

Expanding knowledge in the earth sciences

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