Assess1187.pdf (1.68 MB)
Download file

Report of the Mackerel Working Group

Download (1.68 MB)
report
posted on 21.11.2022, 08:28 authored by ICESICES

At the 74th Statutory Meeting in Copenhagen, it was decided (C.Res.1986/2:5:4) that the Mackerel Working Group (Chairman: Mr S.A. Iversen) should meet at ICES headquarters from 16-25 February 1987 to:

a) consider the report of the Mackerel Egg Production Workshop;

b) consider the report of the ad hoc Multispecies Assessment Working Group;

c) assess the status of and provide catch options for safe biological limits for the mackerel stocks and units in Sub-areas II-VII and Divisions Vllla,b;

d) update the quantitative description of the distribution and relative abundance of juvenile mackerel by season and by as fine an area breakdown as possible, and re-evaluate possible management measures to limit the catches of juvenile mackerel;

e) provide quarterly catch-at-age and catch and stock mean weight-at-age data and information on the relative distribution at different ages by quarter for North Sea mackerel for 1986 as input for the Multispecies VPA, and provide information on the likely level of Western stock mackerel which are seasonally present in the North Sea.

In the minutes of the ACFM meeting (30 October - 6 November 1986) the different working groups were asked "to produce stock recruitment plots for each stock and to attempt to define alternative biological reference points.

History

Published under the auspices of the following ICES Steering Group or Committee

  • Historical content

Published under the auspices of the following ICES Expert Group or Strategic Initiative

Mackerel Working Group

Series

ICES Expert Group Reports

Recommended citation

ICES. 1987. Report of the Mackerel Working Group. ICES CM 1987 / Assess:11. 77 pp. https://doi.org/10.17895/ices.pub.19261061