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Stock Assessment Graphs
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:
2024
Key:
18588
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
F/Fmsy
Fishing pressure units
ratio
Stock size description
B/Bmsy
Stock size units
ratio
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
1.7
F
pa
Age and Length
Recruitment
0
F
Fish data
Year
Low SSB
SSB
High SSB
Landings
Catches
Low F
F
High F
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
0.1969768
0.4477323
1.0177046
3380
3380
0.9580154
1.7592992
3.230777
1978
0.195774
0.443102
1.0028883
3684
3684
1.054868
1.8765772
3.338372
1979
0.180229
0.4159691
0.9600581
3188
3188
1.0258852
1.9607233
3.747433
1980
0.152757
0.363939
0.8670738
2452
2452
0.846806
1.742309
3.584813
1981
0.1462901
0.352405
0.8489247
2535
2535
0.7530714
1.6198884
3.484449
1982
0.1470649
0.3633758
0.8978487
2499
2499
0.7244287
1.6708462
3.853694
1983
0.1299266
0.3347076
0.8622496
1717
1717
0.5663735
1.4118278
3.519334
1984
0.1324599
0.3321281
0.8327731
1648
1648
0.4608851
1.1468852
2.853956
1985
0.1565829
0.3695641
0.8722385
1771
1771
0.4424626
1.060497
2.541806
1986
0.1975946
0.4370213
0.9665629
2400
2400
0.4715187
1.0823593
2.484529
1987
0.2529043
0.5397173
1.1517985
3276
3276
0.5559991
1.2824302
2.957967
1988
0.24944
0.5383517
1.1618925
2326
2326
0.4810874
1.1850986
2.919342
1989
0.2619401
0.5465535
1.1404165
2400
2400
0.4040349
1.0158596
2.554163
1990
0.2740675
0.5484434
1.097504
1741
1741
0.3268399
0.831213
2.113925
1991
0.3435384
0.6317995
1.1619387
2772
2772
0.3191677
0.7863964
1.9376
1992
0.4471036
0.8020954
1.4389441
3165
3165
0.3726296
0.9218355
2.280497
1993
0.4527837
0.8165571
1.4725916
2160
2160
0.2854418
0.7348015
1.89157
1994
0.4791172
0.8526566
1.5174224
2055
2055
0.2146426
0.5579953
1.450592
1995
0.5657756
0.9888572
1.728315
2386
2386
0.1975221
0.5072451
1.302627
1996
0.7262395
1.24693
2.1409389
4043
4043
0.2361194
0.5906808
1.477658
1997
0.8365178
1.4404155
2.480278
4175
4175
0.276641
0.6919708
1.730848
1998
0.8428305
1.4403408
2.4614459
3940
3940
0.2575633
0.6526787
1.653922
1999
0.8777838
1.5046935
2.5793396
3590
3590
0.2315318
0.589115
1.498958
2000
0.8922938
1.5280164
2.6166653
3049
3049
0.1889828
0.4873904
1.256989
2001
0.9823739
1.6756403
2.8581484
3941
3941
0.1893486
0.4833256
1.233723
2002
1.0139639
1.7349415
2.9685692
3798
3798
0.2088118
0.5306896
1.348733
2003
0.9188323
1.5389876
2.5777096
3929
3929
0.2348241
0.592361
1.494274
2004
0.7658052
1.2654902
2.0912179
4943
4943
0.3178098
0.7843485
1.935757
2005
0.7667452
1.273925
2.1165896
6058
6058
0.4197688
1.0277118
2.516126
2006
0.7819239
1.3077879
2.1873091
4524
4524
0.3663095
0.9099834
2.260574
2007
0.9449555
1.5649478
2.5917215
5905
5905
0.3067584
0.7538848
1.852736
2008
1.1955192
2.0510149
3.5186907
4727
4727
0.2488156
0.623273
1.561274
2009
1.2134278
2.115508
3.6882081
3398
3398
0.1681148
0.4357574
1.129493
2010
1.174987
2.0113982
3.4432064
3577
3577
0.1545427
0.3971178
1.020446
2011
1.1051353
1.8726513
3.1732066
3387
3387
0.1720825
0.4361542
1.105461
2012
0.9677024
1.6128635
2.6881495
3959
3959
0.206784
0.519498
1.305121
2013
0.9067328
1.5077085
2.5070065
5089
5089
0.2882199
0.7161033
1.779211
2014
0.7624382
1.2827335
2.1580832
4614
4614
0.3514331
0.885751
2.232444
2015
0.6845221
1.1626443
1.9747234
5387.69958728163
4443
0.3513678
0.8923405
2.266205
2016
0.6929498
1.1809713
2.0126901
4442.455
4251
0.336459
0.8607172
2.201856
2017
0.6949671
1.1926319
2.0466735
4325.24511670737
3908
0.3086178
0.796901
2.057727
2018
0.6773882
1.1722624
2.0286729
4733.90025688802
3478
0.2818235
0.7359119
1.921651
2019
0.6655637
1.1739783
2.0707637
3390.16670601263
2740
0.2336517
0.6177833
1.633441
2020
0.6157156
1.0861837
1.9161362
2066.09
1965
0.181199
0.4869253
1.308486
2021
0.5695215
0.9906577
1.7232056
1911
1911
0.1722949
0.4542333
1.197527
2022
0.5277713
0.9077487
1.5612967
1719
1719
0.1711067
0.4452247
1.158488
2023
0.59991
1.0351
1.7859878
1910
1910
0.1623629
0.4186186
1.07932
2024
0.6368683
1.0884599
1.8602668
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
1
0.5
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data