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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:
2017
Key:
8992
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
0.19
Precautionary approach
B
lim
700
B
pa
980
F
lim
0.45
F
pa
0.32
Age and Length
Recruitment
1
F
Fish data
Year
Recruitment
TBiomass
SSB
Landings
Catches
Discards
F
1986
10160
2606
2256
659
705
46
0.3884
1987
13206
2356
1899
497
537
40
0.3539
1988
11898
2573
2161
817
858
42
0.5026
1989
10729
2712
2330
714
761
47
0.4353
1990
13316
2818
2396
977
1022
45
0.4494
1991
6031
1822
1625
614
655
41
0.4645
1992
11855
1823
1552
516
558
42
0.4423
1993
5319
1579
1409
383
421
38
0.3263
1994
2268
1298
1217
479
492
13
0.4153
1995
9879
1329
989
218
258
40
0.2933
1996
9928
1658
1331
329
373
44
0.2538
1997
7716
1595
1380
356
408
52
0.2718
1998
4501
1504
1373
446
482
36
0.398
1999
2746
1224
1145
343
386
43
0.3387
2000
3994
1352
1244
253
288
35
0.3197
2001
3548
1046
934
175
194
19
0.2624
2002
2971
965
872
117
136
19
0.1645
2003
3072
1097
984
134
149
15
0.175
2004
3334
936
812
149
160
11
0.1853
2005
2801
976
863
147
166
19
0.238
2006
2336
932
828
210
226
16
0.404
2007
2850
873
742
155
155
0.4
0.2564
2008
1738
730
673
133
144
11
0.2201
2009
1512
719
676
84
95
11
0.1188
2010
7116
916
733
83
88
5
0.0745
2011
5512
1267
1122
302
371
69
0.2865
2012
3014
1262
1184
262
293
31
0.2613
2013
3430
1128
1026
231
250
18
0.2205
2014
2773
1185
1097
377
399
23
0.4302
2015
9793
1244
986
276
297
21
0.3997
2016
9859
1670
1340
235
298
63
0.2108
2017
3149
1708
Custom reference points
Custom fish data column names
Custom fish data
Sensivity data