Advice and Scenarios Database



Norway lobster (Nephrops norvegicus) in Division 7.a, Functional Unit 14 (Irish Sea, East)
StockCode (Assessment Component)
nep.fu.14
Assessment Year
2026
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
25998






Catch scenarios


Basis
Total catch (PL + PDD + PSD)
Projected landings (PL)
Dead removals (PL + PDD)
Projected dead discards (PDD)
Projected surviving discards (PSD)
% harvest rate* for PL + PDD
% advice change**
2027 2027 2027 2027 2027 2027 2027
(t) (t) (t) (t) (t) (%) (%)
ICES Basis Advice
Maximum sustainable yield (MSY) approach: FMSY × stock abundance (2027)/MSY Btrigger 252 239 250 12 1 6.2 -17.1
Other scenarios
FMSY lower × stock abundance (2027)/MSYBtrigger 208 197 207 10 1 5.1 -32
FMSY 446 423 444 21 2 11 47
F= MAP^: FMSY lower 369 350 367 17 2 9.1 21
F= MAP^: FMSY upper 446 423 444 21 2 11 47
F2025 125 119 125 6 1 3.1 -59




Symbol Footnotes
* Calculated for dead removals by number.
** Advice basis values for 2027 relative to the 2026 advice values (FMSY advice of 304 tonnes).
^ EU multiannual plan (MAP) for the Western Waters (EU, 2019)