Advice and Scenarios Database



Seabass (Dicentrarchus labrax) in divisions 4.b-c, 7.a, and 7.d-h (central and southern North Sea, Irish Sea, English Channel, Bristol Channel, and Celtic Sea)
StockCode
bss.27.4bc7ad-h
Assessment Year
2019
Stock Category
1.2
Purpose
Advice
Published
Stock Assessment Key
12957
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.4779






Catch scenarios


Basis
Total catch*
Commercial landings
Commercial discards
Recreational removals
Total F
F Commercial landings
F Commercial discards
F Recreational removals
SSB
% SSB change**
% Advice change***
2019 2019 2019 2019 2019 2019 2019 2019 2020 2020 2020
(t) (t) (t) (t) (ratio) (ratio) (ratio) (ratio) (t) (%) (%)
ICES Basis Advice
MSY approach = FMSY × SSB2019 / MSY Btrigger 1806 1480 118 207 0.129 0.11 0.0041 0.015 10960 0.7 105
Other scenarios
F = FMSY 2341 1918 154 269 0.171 0.145 0.0054 0.02 10527 -3.3 166
F = 0 0 0 0 0 0 0 0 0 12432 14.2 -100
Fpa 2488 2038 164 286 0.182 0.155 0.0057 0.022 10408 -4.4 183
Flim 3350 2741 224 385 0.25 0.216 0.008 0.03 9717 -10.7 281
SSB2020 = Blim 2606 2135 172 299 0.192 0.163 0.006 0.023 10313 -5.2 196
SSB2020 = Bpa^
SSB2020 = MSYBtrigger^
F = F2018 1121 919 73 129 0.078 0.067 0.0025 0.0093 11516 5.8 27




Symbol Footnotes
* Includes commercial catch and recreational removals (taking mortality of released fish into account, estimated at approximately 5%).
** SSB 2020 relative to SSB 2019.
*** Advice value for 2019 relative to the advice value for 2018 (880 tonnes).
^ The Bpa and MSY Btrigger options were left blank because Bpa and MSY Btrigger cannot be achieved in 2020, even with zero catch in 2019.