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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:
2021
Key:
16769
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
SSB
Landings
Discards
F
1986
9970
2250
659
46
0.39
1987
12965
1868
497
40
0.36
1988
11741
2139
817
42
0.51
1989
10692
2295
714
47
0.46
1990
13212
2449
977
45
0.47
1991
5983
1555
614
41
0.48
1992
11530
1451
516
42
0.45
1993
5454
1353
383
38
0.34
1994
2443
1189
479
13
0.43
1995
9609
950
218
40
0.29
1996
9298
1294
329
44
0.25
1997
7083
1308
356
52
0.28
1998
3903
1307
446
36
0.44
1999
2899
1077
343
43
0.4
2000
3790
1047
253
35
0.39
2001
3306
764
175
19
0.29
2002
2830
720
117
19
0.168
2003
2877
821
134
15
0.191
2004
3225
781
149
11
0.2
2005
2876
787
147
19
0.26
2006
2309
766
210
16
0.43
2007
2579
689
155
0
0.26
2008
1754
616
133
11
0.22
2009
1494
639
84
11
0.125
2010
6803
713
83
5
0.081
2011
5385
1070
302
69
0.29
2012
2928
1078
262
31
0.27
2013
3177
979
231
18
0.24
2014
1909
1012
377
23
0.46
2015
8285
809
276
21
0.49
2016
9003
1076
235
63
0.32
2017
8435
1346
247
41
0.24
2018
8533
1498
315
37
0.3
2019
8121
1830
239
51
0.183
2020
7387
2498
320
5
0.116
2021
3633
2782
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data