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Stock Assessment Graphs
Stock assessment graphs
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Flounder (Platichthys flesus) in Subarea 4 and in Division 3.a (North Sea, Skagerrak, Kattegat)
Species:
Stock Assessment Graphs
Stock code:
fle.27.3a4
Assessment Year:
2025
Key:
20943
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
HRrel
Fishing pressure units
ratio
Stock size description
SSB
Stock size units
tonnes
Fish reference points
Management plan
SSB
MP
F
MP
MSY approach
MSYB
trigger
F
MSY
Precautionary approach
B
lim
B
pa
F
lim
F
pa
Age and Length
Recruitment
0
F
Fish data
Year
Low SSB
SSB
High SSB
Landings
Discards
F
1950
5848
1951
5143
1952
4548
1953
5096
1954
4215
1955
4753
1956
4234
1957
3521
1958
3433
1959
2962
1960
3477
1961
3179
1962
3083
1963
1866
1964
2916
1965
3340
1966
2880
1967
2003
1968
2135
1969
1709
1970
1630
1971
1897
1972
1913
1973
2348
1974
5448
1975
4406
1976
4178
1977
3624
1978
3859
1979
3396
1980
2259
1981
4153
1982
4000
1983
25.7258868763259
32.3450232960546
42.6395386227779
5581
1984
24.6733009356637
31.2927391149931
40.7965039511774
3776
1985
17.7241707038133
21.8330381320565
28.2844859338278
2098
1986
24.9192074696898
30.1083376455454
38.7128228401832
2565
1987
41.1798568490676
48.9319465393506
62.2318359520126
1923
1988
34.3791341515575
42.8776641591329
55.631549465224
2911
1989
42.2067633648369
51.5584503738469
66.2633676450663
3080
1990
29.8809655433562
38.4965073986741
50.3196619198168
1589
1991
39.1217480151302
49.7777313839052
65.6720520083792
2283
1992
32.2875433855761
40.5511445458689
52.4539667392351
1783
1993
29.402420587557
37.38664650619
51.061058199582
3288
1994
23.8770833237339
29.7519507421084
38.9277707620343
3006
1995
20.0724630499809
25.9158678891449
34.9663449585509
2623
1996
20.0171002172712
25.5085527499393
33.825249651195
2547
1997
22.8275978135064
28.528640148996
37.1689755480797
1727
1998
22.9752247132748
29.3097069946695
38.5739579299296
6285
1999
17.7161493571898
23.2302580369907
31.7883610055505
4260
2000
15.3219947859992
19.4930468118978
26.2618554219657
3821
2001
13.8581185895059
17.3785221707989
22.8960330332163
3727
2002
14.6029489829263
18.8809804298536
25.133364614066
4216.61297
2083.8054616
2003
16.5471697401209
21.1960533734471
27.9180427411727
3921.91205
1369.9228578
2004
18.9773986442073
24.2249713479577
31.6892150838826
4601.40989
637.2204952
2005
24.9031515285954
31.2078778075606
41.4771980420921
4213.79048
1265.420396
2006
22.020604995595
28.224737533642
38.0299275203401
4836.5394
1026.15978
2007
25.752438340901
32.5739519403979
42.962654702724
3908.41743
2082.182924
2008
29.8984690565491
36.3581186994033
47.3434211427178
3067.35877
1376.435884
2009
24.5986974420729
30.2245853135578
38.4699962025241
2803.52537
1342.45107
2010
20.9885093617342
26.5132641435067
34.8063399487964
3166.24564
3087.39727
2011
20.3723110745988
25.7221527984389
33.5496713845373
3041.21844
1693.87887
2012
20.9093955038063
26.2257578953593
35.2633594249142
2189.04988
1204.55161
2013
17.1024181794391
21.5403593064346
27.792974283442
1749.80315
1414.88092
2014
17.4166982768023
22.1438625683508
29.52464997265
1907.40668
1127.22036
0.847908090481692
2015
24.5814716881901
30.9062996835231
40.4404344136022
1761.88248
1227.70335
0.950307032906215
2016
18.5932207347847
24.0861944405899
32.1062706131748
1749.60347
627.7693
0.882933514890084
2017
19.2508559499525
24.8107928718657
32.974320360873
1243.91273
588.37661
0.821889662209032
2018
13.2026504122082
17.6748746646762
24.1794985325907
1587.49862
657.24105
0.968578444446376
2019
14.5744800661551
18.8194768020863
25.337096872338
1653.02901
726.75203
0.908907431372419
2020
12.9135215089649
16.9892875523729
23.1154877063849
1715.30909
679.362
0.978327695546526
2021
14.5987663376711
18.6555714878589
24.5717358680643
1292.67948
543.01787
0.981430238053342
2022
12.1335014854945
16.0319336914177
21.7048012792258
1045.99641
256.63821
0.979143269222296
2023
14.6467434692965
19.0137156270825
26.0051162758895
714.10977
345.1276
0.972832674725613
2024
10.6372163742215
13.9123021861514
18.6325487391857
797.08994
502.94975
0.979794674228069
2025
15.1983045172304
19.5900062361822
26.1109586067003
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
I_{trigger}
22.4447
I trigger from chr rule (I 2022 * 1.4)
HRMSY proxy
108.932
HR MSY proxy from chr rule (2014 - 2022)
F_{MSY proxy}
1
custom4
custom5
Custom fish data column names
CustomName1
Custom fish data
Year
Custom1
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
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
0.847908090481692
2015
0.950307032906215
2016
0.882933514890084
2017
0.821889662209032
2018
0.968578444446376
2019
0.908907431372419
2020
0.978327695546526
2021
0.981430238053342
2022
0.979143269222296
2023
0.972832674725613
2024
0.979794674228069
2025
Sensivity data