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Stock Assessment Graphs
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Megrim (Lepidorhombus whiffiagonis) in divisions 8.c and 9.a (Cantabrian Sea and Atlantic Iberian waters)
Species:
Stock Assessment Graphs
Stock code:
meg.27.8c9a
Assessment Year:
2018
Key:
10027
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
F
Fishing pressure units
Year-1
Stock size description
SSB
Stock size units
tonnes
Fish reference points
Management plan
SSB
MP
F
MP
MSY approach
MSYB
trigger
980
F
MSY
0.191
Precautionary approach
B
lim
700
B
pa
980
F
lim
0.45
F
pa
0.32
Age and Length
Recruitment
1
F
2-4
Fish data
Year
Recruitment
TBiomass
SSB
Landings
Catches
Discards
F
1986
10125
2581
2232
659
705
46
0.3916
1987
13173
2334
1878
497
537
40
0.3561
1988
11873
2555
2143
817
858
42
0.5056
1989
10720
2689
2307
714
761
47
0.4394
1990
13299
2804
2382
977
1022
45
0.4522
1991
6022
1810
1613
614
655
41
0.4667
1992
11824
1807
1538
516
558
42
0.4437
1993
5328
1571
1400
383
421
38
0.3279
1994
2277
1294
1213
479
492
13
0.4169
1995
9827
1321
983
218
258
40
0.2935
1996
9847
1649
1324
329
373
44
0.2539
1997
7634
1582
1369
356
408
52
0.2738
1998
4419
1490
1361
446
482
36
0.4039
1999
2733
1208
1130
343
386
43
0.3458
2000
3945
1318
1212
253
288
35
0.328
2001
3483
1018
908
175
194
19
0.2682
2002
2933
938
846
117
136
19
0.1674
2003
3036
1065
953
134
149
15
0.179
2004
3309
919
797
149
160
11
0.1897
2005
2792
957
844
147
166
19
0.2424
2006
2322
915
811
210
226
16
0.4104
2007
2808
857
728
155
155
0
0.2596
2008
1729
716
660
133
144
11
0.2224
2009
1500
708
666
84
95
11
0.1202
2010
7049
906
724
83
88
5
0.0757
2011
5482
1253
1109
302
371
69
0.2892
2012
2991
1241
1164
262
293
31
0.2648
2013
3250
1106
1009
231
250
18
0.2241
2014
1954
1127
1059
377
399
23
0.4448
2015
13514
1281
939
276
297
21
0.4589
2016
11660
1895
1490
235
298
63
0.2625
2017
8173
2264
1991
247
288
41
0.1623
2018
3559
2503
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data