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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:
2017
Key:
8740
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
0.19
Precautionary approach
B
lim
3300
B
pa
4600
F
lim
0.57
F
pa
0.41
Age and Length
Recruitment
0
F
Fish data
Year
Recruitment
TBiomass
SSB
Landings
Catches
Discards
F
1986
71964
5181
4302
1124
1408
284
0.447
1987
52364
7314
6041
1688
2021
333
0.451
1988
57204
7842
6753
2223
2586
363
0.4789
1989
53641
7812
6748
2629
3037
408
0.625
1990
40389
6765
5989
1945
2354
409
0.4579
1991
63476
6644
5774
1682
2129
447
0.391
1992
58975
6395
5455
1916
2353
437
0.6154
1993
29547
6046
5340
1384
1822
438
0.5038
1994
48082
6433
5612
1403
1920
517
0.4792
1995
59685
5948
5013
1652
2058
406
0.5992
1996
42893
5250
4439
1098
1466
368
0.5452
1997
30374
4465
3915
896
1204
308
0.3557
1998
21466
5080
4586
1123
1501
378
0.4082
1999
36397
4595
4091
1125
1442
317
0.4221
2000
36030
4454
3850
1041
1414
373
0.4836
2001
37232
3847
3247
931
1221
290
0.5344
2002
39921
4174
3426
720
1028
308
0.4193
2003
51068
4759
3767
876
1067
191
0.3225
2004
36974
5023
4094
1006
1354
348
0.4438
2005
52825
4940
4101
983
1358
375
0.3792
2006
51823
5693
4704
1092
1427
335
0.4508
2007
37965
5511
4647
1104
1396
292
0.3612
2008
28118
6045
5369
980
1182
202
0.2725
2009
63948
6022
5302
1134
1413
279
0.2976
2010
50220
6469
5794
1297
1562
265
0.2674
2011
49296
6089
5373
1128
1397
269
0.2622
2012
66793
7622
6164
952
1321
369
0.2288
2013
48077
6492
5657
931
1427
496
0.2967
2014
104986
7333
6408
1154
1942
788
0.36
2015
45653
8308
6733
1148
1745
597
0.4357
2016
44930
8364
7385
1087
1419
332
0.2169
2017
44930
8125
Custom reference points
Custom fish data column names
Custom fish data
Sensivity data