Advice and Scenarios Database



Herring (Clupea harengus) in subdivisions 30 and 31 (Gulf of Bothnia)
StockCode
her.27.3031
Assessment Year
2022
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
16997






Catch scenarios


Basis
Total catch
F
SSB
% SSB change*
% TAC change**
% Advice change***
2023 2023 2024 2024 2024 2024
(t) (ratio) (t) (%) (%) (%)
ICES Basis Advice
EU MAP^^^: FMSY 102719 0.271 511754 -5 -7.7 -7.7
EU MAP^^^: MAP range Flower^ 80047 0.206 533549 -1 -28 -7.2
EU MAP^^^: MAP range Fupper^^ 103059 0.272 511427 -5.1 -7.4 -7.7
Other scenarios
FMSY 102719 0.271 511754 -5 -7.7 -7.7
F=0 0 0 610774 13 -100 -100
F=Fpa 103059 0.272 511427 -5.1 -7.4 -7.4
F=Flim 172890 0.496 444558 -18 55 55
SSB (2024)=Blim# 254409 0.818 367116 -32 128 128
SSB (2024)= Bpa# 80047 0.206 533549 -1 -28 -28
SSB (2024)= MSYBtrigger# 80047 0.206 533549 -1 -28 -28
SSB (2024)= SSB (2023)# 75011 0.192 538396 -0.09 -33 -33
F=F2022 70649 0.18 542595 0.7 -37 -37




Symbol Footnotes
* SSB 2024 relative to SSB 2023.
** Catch in 2023 relative to the quota in 2022 (111 345 tonnes).
*** Advice value in 2023 relative to advice value for EU MAP: FMSY 2022 (111 345 tonnes).
# Based on stochastic forecasts, using the F with three decimals to get close to the biomass target, in SSB (2024) column
^ Advice value for 2023 relative to advice value for EU MAP range Flower 2022 (86 279 tonnes), (in % Advice change*** column)
^^ Advice value for 2023 relative to advice value for EU MAP range Fupper 2022 (111 714 tonnes), (in % Advice change*** column)
^^^ MAP multiannual plan (EU, 2016, 2019).