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Plaice (Pleuronectes platessa) in Division 7.a (Irish Sea)
Species:
Stock Assessment Graphs
Stock code:
ple.27.7a
Assessment Year:
2020
Key:
13576
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
8757
F
MSY
0.196
Precautionary approach
B
lim
3958
B
pa
5294
F
lim
0.495
F
pa
0.355
Age and Length
Recruitment
1
F
3-6
Fish data
Year
Low Recruitment
Recruitment
High Recruitment
Low SSB
SSB
High SSB
Landings
Discards
Low F
F
High F
1981
11259
16608
24499
5767
7079
8689
3902.928
1566.4085
0.462
0.598
0.774
1982
16090
22541
31580
5566
6743
8169
3237.574
792.8062
0.463
0.588
0.747
1983
17315
24085
33503
5075
6059
7234
3636.572
702.8291
0.509
0.644
0.816
1984
16699
23104
31965
6400
7667
9185
4277.58
656.4556
0.449
0.569
0.721
1985
15480
21369
29498
7046
8450
10135
5085.41
580.9536
0.445
0.563
0.711
1986
15922
22001
30401
7538
9033
10824
4866.55
567.4797
0.471
0.593
0.745
1987
15417
21440
29817
7111
8461
10068
6244.195
688.048
0.567
0.71
0.888
1988
11431
15766
21747
6603
7861
9360
5001.5302
751.7991
0.562
0.705
0.884
1989
8871
12560
17783
5844
7004
8393
4361.596
628.121
0.484
0.609
0.767
1990
11627
15979
21960
5299
6352
7615
3271.951
435.8383
0.474
0.596
0.749
1991
11851
16182
22097
4265
5071
6031
2557.309
573.4251
0.477
0.598
0.75
1992
13007
17575
23747
4273
5076
6029
3260.23
681.0424
0.609
0.756
0.938
1993
11971
15732
20674
3495
4158
4947
1999.596
658.8259
0.534
0.671
0.842
1994
11371
14991
19762
3586
4318
5199
2066.833
734.5116
0.518
0.648
0.812
1995
13406
17621
23162
3144
3803
4602
1874.4907
717.2715
0.469
0.592
0.748
1996
16846
22209
29279
3342
4072
4961
1705.8209
811.6904
0.419
0.532
0.676
1997
17451
22949
30181
3527
4291
5220
1872.5957
1372.9567
0.421
0.531
0.669
1998
15089
19829
26057
3813
4671
5721
1765.4152
2262.9874
0.412
0.527
0.674
1999
14343
18979
25114
4334
5376
6670
1600.3088
1796.4361
0.316
0.414
0.541
2000
17789
23938
32212
4676
5872
7375
1372.0148
1306.3978
0.252
0.34
0.458
2001
18296
24322
32334
5576
7116
9081
1472.7066
1100.4115
0.217
0.295
0.402
2002
18686
24999
33445
6537
8452
10929
1623.7699
1084.5082
0.186
0.255
0.35
2003
16340
22113
29925
7715
10121
13278
1559.4895
1108.7366
0.149
0.209
0.294
2004
15396
20659
27721
7863
10356
13639
1141.8788
1030.7364
0.109
0.155
0.221
2005
13414
17952
24024
7726
10153
13343
1281.5103
1210.45
0.144
0.202
0.284
2006
17225
22922
30503
6934
9171
12130
934.1576
1254.013
0.156
0.217
0.301
2007
19843
26697
35920
5719
7578
10040
805.5012
1743.96
0.173
0.239
0.331
2008
16136
21500
28647
5722
7558
9984
562.894
1267.584
0.133
0.183
0.253
2009
12615
17134
23273
6401
8532
11373
455.3545
1132.329
0.096
0.135
0.189
2010
17435
23304
31149
6458
8444
11041
378.1114
2560.814
0.146
0.205
0.286
2011
20277
27305
36768
7403
9959
13399
594.3028
603.209
0.092
0.128
0.18
2012
17718
23715
31742
6168
8343
11286
501.0293
1009.6637
0.097
0.134
0.187
2013
17757
23776
31835
7420
10053
13622
302.9303
725.2285
0.063
0.087
0.122
2014
20492
28498
39631
7564
10194
13738
287.1273
942.8949
0.066
0.093
0.129
2015
12168
16642
22761
9734
13594
18985
440.0806
572.3054
0.043
0.061
0.085
2016
10789
14508
19511
14349
19740
27157
683.8992
414.4755
0.038
0.053
0.075
2017
7893
10896
15043
10944
14966
20466
586.027
852.1361
0.047
0.066
0.093
2018
10104
13989
19368
11623
16189
22549
434.6587
395.0946
0.046
0.066
0.093
2019
9034
13302
19586
11124
15887
22688
465.4064
536.9094
0.051
0.073
0.104
2020
10458
13751
18227
11298
16505
24486
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
custom1
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data