Advice and Scenarios Database



Norway lobster (Nephrops norvegicus) in Division 4.b, Functional Unit 6 (central North Sea, Farn Deeps)
StockCode
nep.fu.6
Assessment Year
2023
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
18417






Catch scenarios


Basis
Total catch PL + PDD + PSD
Dead removals PL + PDD
Projected landings PL
Projected dead discards PDD
Projected surviving discards PSD
% harvest rate* For PL + PDD
% advice change**
2024 2024 2024 2024 2024 2024 2024
(t) (t) (t) (t) (t) (%) (%)
ICES Basis Advice
MSY approach: FMSY 1607 1572 1375 198 35 8.12 0.194
Other scenarios
FMSY lower 1385 1355 1185 170 30 7 -13.6
FMSY upper*** 1607 1572 1375 198 35 8.12 0.194
F = F2022 2533 2478 2166 311 55 12.8 58
F = F2020–2022 2263 2213 1935 278 49 11.43 41




Symbol Footnotes
* Calculated for dead removals
** Advice values for 2024 relative to the 2023 value (FMSY catch advice of 1604tonnes).
*** FMSY upper=FMSY for this stock.