Advice and Scenarios Database



Herring (Clupea harengus) in subdivisions 25-29 and 32, excluding the Gulf of Riga (central Baltic Sea)
StockCode
her.27.25-2932
Assessment Year
2019
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
10408
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.4748






Catch scenarios


Basis
Total catch
Ftotal
SSB
SSB
% SSB change*
% Advice change**
2020 2020 2020 2021 2021 2021
(t) (ratio) (t) (t) (%) (%)
ICES Basis Advice
EU MAP ^^: FMSY 173975 0.22 749659 695933 -7 12
EU MAP ^^: Flower*** 130546 0.16 766380 749779 -2 13
EU MAP ^^: Fupper^ 214553 0.28 733412 647049 -12 11
Other scenarios
ICES MSY approach: FMSY 173975 0.22 749659 695933 -7 12
F = 0 0 0 813028 920881 13 -100
F = Fpa 294109 0.41 699599 555285 -21 89
F = Flim 361165 0.52 671119 477488 -29 133
SSB (2021) = Blim 399845 0.58 655921 430000 -34 157
SSB (2021) = Bpa 254759 0.34 716663 600000 -16 64
SSB (2021) = MSYBtrigger 254759 0.34 716663 600000 -16 64
F = F2019 186377 0.24 744769 680825 -9 20




Symbol Footnotes
* SSB 2021 relative to SSB 2020.
** Advice value in 2020 relative to advice value for EU MAP: FMSY 2019 (155 333 tonnes).
*** Advice value for 2020 relative to advice value for EU MAP: Flower 2019 (115 591 tonnes), (in % Advice change** column)
^ Advice value for 2020 relative to advice value for EU MAP: Fupper 2019 (192 787 tonnes),(in % Advice change** column)
^^ MAP multiannual plan (EU, 2016).