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
2018
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
9428
Link to Advice Sheet
https://doi.org/10.17895/ices.pub.4384






Catch scenarios


Basis
Total catch
Ftotal
SSB
SSB
% SSB change*
% Advice change**
2019 2019 2019 2020 2020 2020
(t) (ratio) (t) (t) (%) (%)
ICES Basis Advice
EU MAP^^: FMSY 155333 0.22 735005 716594 -3 -42
EU MAP^^: Flower*** 115591 0.16 750157 766194 2 -42
EU MAP^^: Fupper^ 192787 0.28 720202 670935 -7 -42
Other scenarios
ICES MSY approach: FMSY 155333 0.22 735005 716594 -3 -42
20% decrease in TAC ^^^ 210703 0.31 712928 649472 -9 -21
F = 0 0 0 791368 916969 16 -100
F = Fpa 263813 0.41 690577 587317 -15 -1
F = Flim 318710 0.52 666102 525436 -21 19
SSB (2020) = Blim 408365 0.73 622595 429752 -31 53
SSB (2020) = Bpa 254003 0.39 694799 598630 -14 -5
SSB (2020) = MSY Btrigger 254003 0.39 694799 598630 -14 -5
F = F2018 232886 0.35 703741 623242 -11 -13




Symbol Footnotes
* SSB 2020 relative to SSB 2019.
** Advice value in 2019 relative to Advice value for EU MAP: FMSY 2018 (267 745 tonnes).
*** Advice value for 2019 relative to Advice value for EU MAP: Flower 2018 (200 236 tonnes), (in % Advice change** column)
^ Advice value for 2019 relative to Advice value for EU MAP: Fupper 2018 (331 510 tonnes), (in % Advice change** column)
^^ MAP multiannual plan (EU, 2016).
^^^ TAC = TAC in 2018: EU share 229 355 tonnes + Russian quota 29 500 tonnes + central Baltic herring stock caught in Gulf of Riga 4 340 tonnes (mean 2012–2016) - Gulf of Riga herring stock caught in central Baltic Sea 260 tonnes (mean 2012 – 2016) = 262 935 tonnes.