Advice and Scenarios Database



Sprat (Sprattus sprattus) in Subarea 4 (North Sea)
StockCode
spr.27.4
Assessment Year
2018
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
9305






Catch scenarios


Basis
Total catch*
Ftotal
SSB (2019)
% SSB change *
% TAC change **
% Advice change***
2018–2019 2018–2019 2019 2020 2020 2020
(t) (ratio) (t) (%) (%) (%)
ICES Basis Advice
SSB2019 = MSY Bescapement with Fcap 177545 0.7 496976 22 1 5
Other scenarios
F= 0 0 0 643494 57 -100 -100
F= 0.4 108652 0.4 553079 35 -38 -36
F= 0.8 198456 0.8 480170 17 12 16
F= 1.0 237530 1 449079 1 35 40
SSB2019= MSYBescapement= Bpa 730442 9.6 142000 -65 314 329
F= F2017 352615 1.7 360354 -11 100 107




Symbol Footnotes
* SSB in July 2019 relative to SSB in July 2018.
** Relative to the TAC set for 1 July to 30 June.
*** Advice value 2018 relative to advice value 2017.