Advice and Scenarios Database



Norway lobster (Nephrops norvegicus) in divisions 7.a, 7.g, and 7.j, Functional Unit 19 (Irish Sea, Celtic Sea, eastern part of southwest of Ireland)
StockCode (Assessment Component)
nep.fu.19
Assessment Year
2026
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
26009






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 140 109 132 23 8 3.9 -61
Other scenarios
F= MAP^: FMSY × stock abundance 2027/MSYBtrigger 140 109 132 23 8 3.9 -61
F= MAP^: FMSYlower × stock abundance 2027/MSYBtrigger 123 96 117 20 7 3.4 -66
F= MAP^: FMSYupper × stock abundance 2027/MSYBtrigger 140 109 132 23 8 3.9 -61
F= MAP^: FMSY lower 301 235 285 50 17 8.3 -15.7
F= MAP^: FMSY upper 338 263 319 56 19 9.3 -5.3
FMSY 338 263 319 56 19 9.3 -5.3
F2025 174 136 164 29 10 4.8 -51




Symbol Footnotes
* Calculated for dead removals by number.
** Advice basis values for 2027 relative to the 2026 advice values (FMSY catch advice of 357 tonnes).
^ EU multiannual plan (MAP) for the Western Waters (EU, 2019).