Advice and Scenarios Database



Norway lobster (Nephrops norvegicus) in Division 4.b, Functional Unit 34 (central North Sea, Devil’s Hole)
StockCode
nep.fu.34
Assessment Year
2020
Stock Category
4.14
Purpose
Advice
Published
Stock Assessment Key
13995
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.5825






Catch scenarios


Basis
Total catches
Projected landings
Projected discards
% harvest rate *
% advice change **
2021 2021 2021 2021 2022
(t) (t) (t) (%) (%)
ICES Basis Advice
(Advice for 2019 and 2020 +20% cap) –20% PA buffer 566 530 36 3.8 -4
Other scenarios
2018 advice for 2019 and 2020 -20% 472 442 30 3.1 -20
2018 advice for 2019 and 2020 590 552 38 3.9 0
Average landings (2010–2019) 600 561 39 4 1.7
2018 advice for 2019 and 2020 +20% 708 662 46 4.7 20
Recent average landings (2017–2019) 732 685 47 4.9 24
MSY proxy harvest rate 1128 1055 73 7.5 91
Maximum 1395 1305 90 9.3 136




Symbol Footnotes
* Calculated for dead removals and applied to total catch.
** Total catch in 2021 and 2022 relative to the advice value for 2019 and 2020 (590tonnes).