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Stock Assessment Graphs
Stock assessment graphs
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Four-spot megrim (Lepidorhombus boscii) in divisions 8.c and 9.a (southern Bay of Biscay and Atlantic Iberian waters East)
Species:
Stock Assessment Graphs
Stock code:
ldb.27.8c9a
Assessment Year:
2018
Key:
9788
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
4600
F
MSY
0.193
Precautionary approach
B
lim
3300
B
pa
4600
F
lim
0.57
F
pa
0.41
Age and Length
Recruitment
0
F
2-4
Fish data
Year
Recruitment
TBiomass
SSB
Landings
Catches
Discards
F
1986
71878
5173
4294
1124
1408
284
0.4484
1987
52286
7299
6028
1688
2021
333
0.4521
1988
57094
7821
6734
2223
2586
363
0.4804
1989
53551
7788
6727
2629
3037
408
0.627
1990
40332
6734
5960
1945
2354
409
0.4597
1991
63233
6617
5749
1682
2129
447
0.3926
1992
58764
6366
5430
1916
2353
437
0.6187
1993
29492
6011
5308
1384
1822
438
0.5065
1994
47912
6395
5576
1403
1920
517
0.4823
1995
59432
5910
4978
1652
2058
406
0.6036
1996
42822
5203
4395
1098
1466
368
0.5496
1997
30297
4420
3872
896
1204
308
0.3585
1998
21404
5037
4544
1123
1501
378
0.4115
1999
36286
4556
4054
1125
1442
317
0.4252
2000
35941
4411
3809
1041
1414
373
0.4862
2001
37059
3812
3214
931
1221
290
0.539
2002
39810
4141
3395
720
1028
308
0.4229
2003
50888
4727
3739
876
1067
191
0.3249
2004
36811
4988
4062
1006
1354
348
0.4472
2005
52558
4904
4070
983
1358
375
0.3824
2006
51509
5647
4663
1092
1427
335
0.4544
2007
37739
5462
4602
1104
1396
292
0.3651
2008
27943
5986
5316
980
1182
202
0.2751
2009
63523
5962
5247
1134
1413
279
0.3005
2010
49917
6397
5726
1297
1562
265
0.2701
2011
47500
6015
5309
1128
1397
269
0.2651
2012
67859
7513
6070
952
1321
369
0.2313
2013
49305
6403
5565
931
1427
496
0.3031
2014
85162
7227
6328
1154
1942
788
0.3652
2015
56925
7919
6438
1148
1745
597
0.4395
2016
60765
8071
6946
1087
1419
332
0.2181
2017
53614
8489
7494
926
1173
246
0.1767
2018
53614
8821
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data