Advice and Scenarios Database



Norway lobster (Nephrops norvegicus) in Division 4.a, Functional Unit 7 (northern North Sea, Fladen Ground)
StockCode (Assessment Component)
nep.fu.7
Assessment Year
2025
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
21159






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**
2026 2026 2026 2026 2026 2026 2026
(t) (t) (t) (t) (t) (%) (%)
ICES Basis Advice
Maximum sustainable yield (MSY) approach: FMSY 11559 11526 11426 100 33 7.5 26
Other scenarios
F = MAP^: FMSY lower 10172 10143 10055 88 29 6.6 11.2
F = MAP^: FMSY upper 11559 11526 11426 100 33 7.5 26
F = F2024 6874 6854 6795 59 20 4.5 -25
F = F2022–2024 6319 6301 6246 55 18 4.1 -31




Symbol Footnotes
* Calculated for dead removals by number.
** Advice basis values for 2026 relative to the 2025 advice value (FMSY catch advice of 9149 tonnes).
^ EU multiannual plan (MAP) for the North Sea (EU, 2018).