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Megrim (Lepidorhombus spp.) in Division 6.b (Rockall)
Species:
Stock Assessment Graphs
Stock code:
lez.27.6b
Assessment Year:
2025
Key:
21206
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
F/Fmsy
Fishing pressure units
ratio
Stock size description
B/Bmsy
Stock size units
Fish reference points
Management plan
SSB
MP
F
MP
MSY approach
MSYB
trigger
0.5
F
MSY
1
Precautionary approach
B
lim
0.3
B
pa
F
lim
F
pa
Age and Length
Recruitment
0
F
Fish data
Year
Low SSB
SSB
High SSB
Landings
Discards
Low F
F
High F
1991
0.5
1.146
2.628
1045
209
0.688
1.24
2.237
1992
0.5
1.068
2.28
1073
215
0.808
1.351
2.261
1993
0.487
0.988
2.005
925
185
0.819
1.311
2.099
1994
0.485
0.939
1.815
1046
209
0.938
1.445
2.226
1995
0.466
0.869
1.62
816
163
0.929
1.39
2.079
1996
0.467
0.841
1.512
843
169
0.871
1.288
1.904
1997
0.47
0.813
1.407
1009
202
1.075
1.543
2.215
1998
0.445
0.742
1.236
1091
218
1.419
1.985
2.778
1999
0.399
0.641
1.03
866
173
1.433
1.969
2.705
2000
0.369
0.574
0.892
964
193
1.579
2.154
2.939
2001
0.324
0.481
0.715
824
165
1.944
2.633
3.568
2002
0.284
0.404
0.575
455
91
1.29
1.792
2.49
2003
0.29
0.401
0.555
632
126
1.306
1.816
2.526
2004
0.275
0.368
0.493
528
106
1.489
2.166
3.151
2005
0.254
0.343
0.461
382
87
1.064
1.696
2.705
2006
0.25
0.352
0.496
344
75
0.779
1.36
2.375
2007
0.254
0.382
0.574
106
22
0.575
1.108
2.136
2008
0.268
0.43
0.688
294
59
0.45
0.929
1.915
2009
0.291
0.491
0.828
226
44
0.322
0.699
1.519
2010
0.337
0.576
0.986
139
26
0.168
0.373
0.832
2011
0.412
0.698
1.181
155
7
0.109
0.244
0.544
2012
0.513
0.852
1.418
224
21
0.125
0.265
0.563
2013
0.616
1.004
1.636
278
15
0.147
0.305
0.631
2014
0.72
1.136
1.793
343
15
0.153
0.314
0.644
2015
0.82
1.253
1.913
453
85
0.209
0.41
0.804
2016
0.895
1.325
1.961
405
145
0.233
0.454
0.882
2017
0.958
1.378
1.982
586
233
0.288
0.554
1.066
2018
0.97
1.385
1.976
764
203
0.395
0.758
1.454
2019
0.948
1.354
1.933
783
34
0.36
0.71
1.399
2020
0.941
1.347
1.926
861
59
0.374
0.741
1.467
2021
0.925
1.326
1.901
566
65
0.317
0.634
1.266
2022
0.963
1.349
1.891
402
18
0.196
0.391
0.781
2023
1.042
1.417
1.928
439
12
0.17
0.33
0.644
2024
1.115
1.481
1.968
563
8
0.213
0.399
0.748
2025
1.159
1.508
1.962
Custom reference points
Custom fish data column names
Custom fish data
Sensivity data