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Stock Assessment Graphs
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Flounder (Platichthys spp) in subdivisions 26 and 28 (east of Gotland and Gulf of Gdansk)
Species:
Stock Assessment Graphs
Stock code:
bzq.27.2628
Assessment Year:
2026
Key:
22421
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
F/Fmsy
Fishing pressure units
ratio
Stock size description
B/Bmsy
Stock size units
Fish reference points
Management plan
SSB
MP
F
MP
MSY approach
MSYB
trigger
0.5
F
MSY
1
Precautionary approach
B
lim
0.3
B
pa
F
lim
F
pa
Age and Length
Recruitment
0
F
Fish data
Year
Low SSB
SSB
High SSB
Landings
Catches
Low F
F
High F
1977
0.1962979
0.5160041
1.356409
3380
3380
0.77484121
1.5821272
3.2305024
1978
0.1972734
0.5212138
1.377093
3684
3684
0.83760976
1.6706137
3.3320411
1979
0.1853147
0.4998297
1.348138
3188
3188
0.80587341
1.7105825
3.6309581
1980
0.1602625
0.4408959
1.212943
2452
2452
0.67137699
1.5004194
3.3531956
1981
0.1569798
0.4305945
1.181118
2535
2535
0.60061542
1.3822983
3.1813179
1982
0.1646011
0.4535845
1.249924
2499
2499
0.58333834
1.4056287
3.3870431
1983
0.1514146
0.4187829
1.158271
1717
1717
0.4689307
1.1787772
2.9631578
1984
0.1554711
0.4116119
1.089748
1648
1648
0.38603623
0.9646157
2.4103525
1985
0.1833839
0.4566619
1.137178
1771
1771
0.36631214
0.8962581
2.1928802
1986
0.230985
0.5412743
1.268385
2400
2400
0.37859694
0.9104123
2.1892688
1987
0.3029235
0.6848819
1.548454
3276
3276
0.43455476
1.0634017
2.6022573
1988
0.311651
0.6870294
1.514545
2326
2326
0.37982781
0.9699666
2.4770043
1989
0.3331851
0.695045
1.449907
2400
2400
0.323179
0.8362559
2.1638904
1990
0.3511951
0.6872887
1.345024
1741
1741
0.26438134
0.6904231
1.8030167
1991
0.43534
0.7859198
1.418822
2772
2772
0.25459851
0.6598876
1.7103461
1992
0.5539372
0.9872815
1.75963
3165
3165
0.29876085
0.7884275
2.0806539
1993
0.5540832
0.9687684
1.693811
2160
2160
0.23894942
0.6470101
1.7519274
1994
0.5747692
0.9863953
1.692811
2055
2055
0.18365611
0.5010179
1.3667876
1995
0.6801383
1.1563314
1.965927
2386
2386
0.16689998
0.454352
1.2368832
1996
0.855251
1.4474154
2.449587
4043
4043
0.19829212
0.533386
1.434755
1997
0.947541
1.6059053
2.72171
4175
4175
0.24255385
0.6506798
1.7455268
1998
0.917094
1.5265412
2.540991
3940
3940
0.2389507
0.6423688
1.7268736
1999
0.931402
1.5521581
2.586633
3590
3590
0.22289728
0.5996438
1.6131768
2000
0.9241157
1.5324332
2.541188
3049
3049
0.18626484
0.5055843
1.3723229
2001
1.0034211
1.6627212
2.755216
3941
3941
0.18794452
0.5074371
1.3700449
2002
1.0209244
1.7082489
2.858306
3798
3798
0.20886156
0.5638569
1.5222263
2003
0.9040727
1.4863729
2.443724
3929
3929
0.24014889
0.6421716
1.717203
2004
0.7447289
1.1972673
1.924793
4943
4943
0.32812473
0.8593535
2.2506331
2005
0.7613441
1.233979
2.000021
6058
6058
0.4281686
1.1140837
2.8988169
2006
0.8016788
1.2987289
2.103956
4524
4524
0.36757296
0.9630468
2.5231973
2007
0.9875346
1.5830159
2.537571
5905
5905
0.29837561
0.7764478
2.0205111
2008
1.2926811
2.1587123
3.604941
4727
4727
0.23548262
0.6228799
1.6475922
2009
1.3237151
2.2344592
3.771815
3398
3398
0.15980224
0.430995
1.1624161
2010
1.2834076
2.1113972
3.473564
3577
3577
0.14652886
0.3924177
1.0509303
2011
1.2083904
1.9827905
3.253467
3387
3387
0.16260867
0.4315635
1.1453696
2012
1.0427369
1.6855622
2.724676
3959
3959
0.19560359
0.5169304
1.3661151
2013
0.978863
1.58896
2.579313
5089
5089
0.2705127
0.7127722
1.8780789
2014
0.8192268
1.3374099
2.183358
4614
4614
0.33367727
0.8878603
2.3624499
2015
0.7364716
1.2107934
1.9906
5388
4443
0.33444672
0.8954527
2.3974983
2016
0.7457807
1.2367665
2.050994
4442
4251
0.31910408
0.861633
2.3265496
2017
0.7454356
1.24012
2.063086
4325
3908
0.2936063
0.7986267
2.1723123
2018
0.7316027
1.2239897
2.047766
4734
3478
0.26900618
0.7363961
2.0158616
2019
0.7326365
1.253292
2.143957
3390
2740
0.2185826
0.606309
1.6817925
2020
0.6840008
1.1702772
2.002262
2066
1965
0.16720877
0.4706047
1.3245046
2021
0.6351351
1.0763281
1.823993
1911
1911
0.15800376
0.4383024
1.2158506
2022
0.5837175
0.974927
1.628327
1719
1719
0.15470024
0.4263011
1.1747403
2023
0.6756461
1.1698875
2.025671
1910
1910
0.14592776
0.4036719
1.116655
2024
0.6436531
1.1046909
1.895962
1288
1288
0.12164349
0.341122
0.9566004
2025
0.5757945
0.9883114
1.696368
1052
1052
0.09973586
0.2789009
0.7799171
2026
0.5518673
0.9375359
1.592726
Custom reference points
Custom fish data column names
Custom fish data
Sensivity data