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Stock Assessment Graphs
Stock assessment graphs
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Mackerel (Scomber scombrus) in subareas 1-8 and 14 and Division 9.a (the Northeast Atlantic and adjacent waters)
Species:
Stock Assessment Graphs
Stock code:
mac.27.nea
Assessment Year:
2018
Key:
10444
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
2500000
F
MSY
0.23
Precautionary approach
B
lim
1990000
B
pa
2500000
F
lim
0.46
F
pa
0.37
Age and Length
Recruitment
0
F
4-8
Fish data
Year
Low Recruitment
Recruitment
High Recruitment
Low TBiomass
TBiomass
High TBiomass
Low SSB
SSB
High SSB
Catches
Low F
F
High F
1980
3033559
5960461
11711358
3258205
6023269
11134894
1978236
4127954
8613736
734950
0.1490507
0.2256176
0.3415168
1981
2940073
5144419
9001493
3386728
5564957
9144149
1955633
3615055
6682552
754045
0.151938
0.2259131
0.3359052
1982
1954346
3511225
6308351
3473793
5261602
7969517
2110609
3493495
5782457
716987
0.1549953
0.2264331
0.3307966
1983
1784277
3259719
5955227
3760320
5315155
7512890
2514353
3735481
5549667
672283
0.1582919
0.2272573
0.32627
1984
2618259
4384312
7341593
3842022
5237613
7140144
2875482
4007395
5584877
641928
0.1620928
0.2286687
0.3225891
1985
2530008
4130379
6743072
4075860
5341046
6998958
2965637
3963573
5297314
614371
0.1670871
0.23159
0.3209936
1986
2577643
4119384
6583273
3766064
4850839
6248071
2709923
3546426
4641142
602201
0.1730341
0.2355762
0.3207236
1987
2794035
4428756
7019911
3585619
4602628
5908098
2686792
3512079
4590863
654992
0.1799517
0.2405586
0.3215778
1988
2394965
3737917
5833916
3787415
4729779
5906617
2710955
3456899
4408096
680491
0.1876267
0.2464144
0.3236215
1989
2272992
3550530
5546110
3621423
4460851
5494856
2584908
3240691
4062843
585920
0.1973906
0.2548853
0.3291266
1990
1992256
3166568
5033066
3596963
4378373
5329538
2684817
3309485
4079494
626107
0.2085179
0.265157
0.3371809
1991
2141528
3331422
5182456
3650962
4401806
5307066
2628641
3204802
3907250
675665
0.2209623
0.2774732
0.3484366
1992
2229426
3471695
5406172
3317405
3973265
4758790
2439302
2943216
3551230
760690
0.2333277
0.2903345
0.3612693
1993
2004462
3100017
4794356
3123536
3725597
4443705
2192907
2631753
3158421
824568
0.2443793
0.3021131
0.3734864
1994
1896946
2926192
4513887
2693851
3193690
3786273
1944828
2318632
2764284
819087
0.2524186
0.3095073
0.3795075
1995
1783211
2767201
4294164
2691460
3171039
3736072
1940777
2295743
2715632
756277
0.2562382
0.3099965
0.3750331
1996
1905561
3000516
4724643
2490666
2925460
3436156
1845951
2177785
2569269
563472
0.2563167
0.305982
0.3652708
1997
1898005
2908386
4456633
2491494
2896971
3368438
1837063
2141099
2495454
573029
0.2570653
0.3043628
0.3603625
1998
2135751
2941916
4052379
2428750
2830717
3299211
1812195
2117060
2473212
666316
0.2644949
0.3106563
0.3648741
1999
2528211
3509809
4872521
2691844
3114728
3604045
1971144
2296536
2675643
640309
0.2776021
0.3225079
0.3746778
2000
2079983
2897968
4037636
2764401
3117603
3515933
1996604
2274402
2590852
738606
0.2956803
0.3369207
0.3839132
2001
3500124
4831325
6668820
2613382
2939875
3307158
1900312
2160026
2455236
737463
0.3169522
0.3649103
0.4201249
2002
4116151
5774456
8100853
2679748
3060458
3495256
1782342
2053288
2365423
771422
0.332612
0.3884878
0.4537502
2003
2454548
3607560
5302195
2831817
3274060
3785367
1723399
1986872
2290625
679287
0.3401729
0.4037436
0.4791943
2004
3802047
5402906
7677810
3047155
3539387
4111132
2214463
2595241
3041494
660491
0.322364
0.3790013
0.4455894
2005
4910056
7217807
10610215
2761222
3207029
3724814
1983751
2327648
2731160
549514
0.2764573
0.3191137
0.368352
2006
4853424
6927969
9889258
2782147
3273704
3852109
1811615
2124887
2492330
481181
0.2599225
0.3007076
0.3478925
2007
3712088
5129692
7088663
2861247
3349679
3921491
1932677
2249385
2617993
586206
0.2864013
0.3303782
0.3811079
2008
3354315
4649953
6446045
3241716
3844654
4559734
2204992
2604212
3075711
623165
0.2797304
0.3237779
0.3747613
2009
2842415
4175133
6132722
3607467
4247930
5002100
2708972
3201050
3782512
737969
0.2600305
0.302674
0.3523108
2010
4005451
5604580
7842142
3834597
4467638
5205186
3030672
3550655
4159854
875515
0.2552333
0.2981695
0.3483286
2011
5117508
7377195
10634670
4284598
4999355
5833347
3400666
3990908
4683597
946661
0.2527151
0.2970176
0.3490866
2012
4347878
6030494
8364275
4145037
4887205
5762258
3096765
3653725
4310855
892353
0.2374013
0.2829297
0.3371895
2013
4207219
5891935
8251269
4274453
5044663
5953656
3404967
4032619
4775968
931732
0.2400189
0.287801
0.3450954
2014
4240414
5952378
8355508
5247675
6178836
7275226
4230569
5009997
5933025
1393000
0.2469196
0.2976171
0.3587238
2015
3851126
5417215
7620165
5046408
5975597
7075876
4095139
4885392
5828144
1208990.43
0.2386548
0.291593
0.3562738
2016
4857571
7569733
11796195
4593286
5517956
6628770
3795807
4590401
5551332
1094066
0.2221577
0.2768198
0.3449316
2017
8374576
4352896
5329214
6524512
3549005
4387307
5423622
1155944.05
0.2254034
0.2872879
0.3661628
2018
4397874
4186496.02314162
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data